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alexbevi
GitHub Repository: alexbevi/BizHawk
Path: blob/master/genplus-gx32/core/z80/z80.c
2 views
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/*****************************************************************************
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*
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* z80.c
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* Portable Z80 emulator V3.9
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*
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* Copyright Juergen Buchmueller, all rights reserved.
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*
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* - This source code is released as freeware for non-commercial purposes.
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* - You are free to use and redistribute this code in modified or
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* unmodified form, provided you list me in the credits.
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* - If you modify this source code, you must add a notice to each modified
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* source file that it has been changed. If you're a nice person, you
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* will clearly mark each change too. :)
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* - If you wish to use this for commercial purposes, please contact me at
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* [email protected]
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* - The author of this copywritten work reserves the right to change the
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* terms of its usage and license at any time, including retroactively
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* - This entire notice must remain in the source code.
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*
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* TODO:
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* - If LD A,I or LD A,R is interrupted, P/V flag gets reset, even if IFF2
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* was set before this instruction
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* - Ideally, the tiny differences between Z80 types should be supported,
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* currently known differences:
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* - LD A,I/R P/V flag reset glitch is fixed on CMOS Z80
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* - OUT (C),0 outputs 0 on NMOS Z80, $FF on CMOS Z80
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* - SCF/CCF X/Y flags is ((flags | A) & 0x28) on SGS/SHARP/ZiLOG NMOS Z80,
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* (flags & A & 0x28) on NEC NMOS Z80, other models unknown.
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* However, people from the Speccy scene mention that SCF/CCF X/Y results
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* are inconsistant and may be influenced by I and R registers.
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* This Z80 emulator assumes a ZiLOG NMOS model.
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*
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* Additional changes [Eke-Eke]:
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* - Removed z80_burn function (unused)
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* - Discarded multi-chip support (unused)
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* - Fixed cycle counting for FD and DD prefixed instructions
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* - Fixed behavior of chained FD and DD prefixes (R register should be only incremented by one
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* - Implemented cycle-accurate INI/IND (needed by SMS emulation)
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* - Fixed Z80 reset
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* - Made SZHVC_add & SZHVC_sub tables statically allocated
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* Changes in 3.9:
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* - Fixed cycle counts for LD IYL/IXL/IYH/IXH,n [Marshmellow]
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* - Fixed X/Y flags in CCF/SCF/BIT, ZEXALL is happy now [hap]
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* - Simplified DAA, renamed MEMPTR (3.8) to WZ, added TODO [hap]
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* - Fixed IM2 interrupt cycles [eke]
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* Changes in 3.8 [Miodrag Milanovic]:
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* - Added MEMPTR register (according to informations provided
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* by Vladimir Kladov
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* - BIT n,(HL) now return valid values due to use of MEMPTR
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* - Fixed BIT 6,(XY+o) undocumented instructions
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* Changes in 3.7 [Aaron Giles]:
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* - Changed NMI handling. NMIs are now latched in set_irq_state
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* but are not taken there. Instead they are taken at the start of the
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* execute loop.
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* - Changed IRQ handling. IRQ state is set in set_irq_state but not taken
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* except during the inner execute loop.
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* - Removed x86 assembly hacks and obsolete timing loop catchers.
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* Changes in 3.6:
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* - Got rid of the code that would inexactly emulate a Z80, i.e. removed
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* all the #if Z80_EXACT #else branches.
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* - Removed leading underscores from local register name shortcuts as
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* this violates the C99 standard.
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* - Renamed the registers inside the Z80 context to lower case to avoid
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* ambiguities (shortcuts would have had the same names as the fields
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* of the structure).
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* Changes in 3.5:
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* - Implemented OTIR, INIR, etc. without look-up table for PF flag.
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* [Ramsoft, Sean Young]
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* Changes in 3.4:
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* - Removed Z80-MSX specific code as it's not needed any more.
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* - Implemented DAA without look-up table [Ramsoft, Sean Young]
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* Changes in 3.3:
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* - Fixed undocumented flags XF & YF in the non-asm versions of CP,
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* and all the 16 bit arithmetic instructions. [Sean Young]
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* Changes in 3.2:
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* - Fixed undocumented flags XF & YF of RRCA, and CF and HF of
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* INI/IND/OUTI/OUTD/INIR/INDR/OTIR/OTDR [Sean Young]
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* Changes in 3.1:
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* - removed the REPEAT_AT_ONCE execution of LDIR/CPIR etc. opcodes
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* for readabilities sake and because the implementation was buggy
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* (and I was not able to find the difference)
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* Changes in 3.0:
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* - 'finished' switch to dynamically overrideable cycle count tables
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* Changes in 2.9:
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* - added methods to access and override the cycle count tables
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* - fixed handling and timing of multiple DD/FD prefixed opcodes
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* Changes in 2.8:
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* - OUTI/OUTD/OTIR/OTDR also pre-decrement the B register now.
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* This was wrong because of a bug fix on the wrong side
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* (astrocade sound driver).
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* Changes in 2.7:
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* - removed z80_vm specific code, it's not needed (and never was).
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* Changes in 2.6:
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* - BUSY_LOOP_HACKS needed to call change_pc() earlier, before
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* checking the opcodes at the new address, because otherwise they
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* might access the old (wrong or even NULL) banked memory region.
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* Thanks to Sean Young for finding this nasty bug.
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* Changes in 2.5:
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* - Burning cycles always adjusts the ICount by a multiple of 4.
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* - In REPEAT_AT_ONCE cases the R register wasn't incremented twice
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* per repetition as it should have been. Those repeated opcodes
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* could also underflow the ICount.
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* - Simplified TIME_LOOP_HACKS for BC and added two more for DE + HL
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* timing loops. I think those hacks weren't endian safe before too.
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* Changes in 2.4:
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* - z80_reset zaps the entire context, sets IX and IY to 0xffff(!) and
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* sets the Z flag. With these changes the Tehkan World Cup driver
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* _seems_ to work again.
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* Changes in 2.3:
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* - External termination of the execution loop calls z80_burn() and
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* z80_vm_burn() to burn an amount of cycles (R adjustment)
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* - Shortcuts which burn CPU cycles (BUSY_LOOP_HACKS and TIME_LOOP_HACKS)
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* now also adjust the R register depending on the skipped opcodes.
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* Changes in 2.2:
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* - Fixed bugs in CPL, SCF and CCF instructions flag handling.
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* - Changed variable EA and ARG16() function to UINT32; this
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* produces slightly more efficient code.
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* - The DD/FD XY CB opcodes where XY is 40-7F and Y is not 6/E
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* are changed to calls to the X6/XE opcodes to reduce object size.
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* They're hardly ever used so this should not yield a speed penalty.
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* New in 2.0:
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* - Optional more exact Z80 emulation (#define Z80_EXACT 1) according
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* to a detailed description by Sean Young which can be found at:
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* http://www.msxnet.org/tech/z80-documented.pdf
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*****************************************************************************/
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#include "shared.h"
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#include "z80.h"
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#include "../cinterface/callbacks.h"
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/* execute main opcodes inside a big switch statement */
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#define BIG_SWITCH 1
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#define VERBOSE 0
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#if VERBOSE
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#define LOG(x) logerror x
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#else
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#define LOG(x)
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#endif
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#define cpu_readop(a) z80_readmap[(a) >> 10][(a) & 0x03FF]
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#define cpu_readop_arg(a) z80_readmap[(a) >> 10][(a) & 0x03FF]
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#define CF 0x01
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#define NF 0x02
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#define PF 0x04
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#define VF PF
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#define XF 0x08
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#define HF 0x10
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#define YF 0x20
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#define ZF 0x40
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#define SF 0x80
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#define INT_IRQ 0x01
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#define NMI_IRQ 0x02
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#define PCD Z80.pc.d
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#define PC Z80.pc.w.l
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#define SPD Z80.sp.d
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#define SP Z80.sp.w.l
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#define AFD Z80.af.d
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#define AF Z80.af.w.l
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#define A Z80.af.b.h
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#define F Z80.af.b.l
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#define BCD Z80.bc.d
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#define BC Z80.bc.w.l
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#define B Z80.bc.b.h
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#define C Z80.bc.b.l
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#define DED Z80.de.d
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#define DE Z80.de.w.l
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#define D Z80.de.b.h
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#define E Z80.de.b.l
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#define HLD Z80.hl.d
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#define HL Z80.hl.w.l
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#define H Z80.hl.b.h
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#define L Z80.hl.b.l
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#define IXD Z80.ix.d
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#define IX Z80.ix.w.l
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#define HX Z80.ix.b.h
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#define LX Z80.ix.b.l
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#define IYD Z80.iy.d
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#define IY Z80.iy.w.l
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#define HY Z80.iy.b.h
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#define LY Z80.iy.b.l
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#define WZ Z80.wz.w.l
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#define WZ_H Z80.wz.b.h
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#define WZ_L Z80.wz.b.l
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#define I Z80.i
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#define R Z80.r
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#define R2 Z80.r2
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#define IM Z80.im
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#define IFF1 Z80.iff1
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#define IFF2 Z80.iff2
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#define HALT Z80.halt
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Z80_Regs Z80;
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unsigned char *z80_readmap[64];
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unsigned char *z80_writemap[64];
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void (*z80_writemem)(unsigned int address, unsigned char data);
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unsigned char (*z80_readmem)(unsigned int address);
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void (*z80_writeport)(unsigned int port, unsigned char data);
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unsigned char (*z80_readport)(unsigned int port);
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static UINT32 EA;
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static UINT8 SZ[256]; /* zero and sign flags */
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static UINT8 SZ_BIT[256]; /* zero, sign and parity/overflow (=zero) flags for BIT opcode */
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static UINT8 SZP[256]; /* zero, sign and parity flags */
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static UINT8 SZHV_inc[256]; /* zero, sign, half carry and overflow flags INC r8 */
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static UINT8 SZHV_dec[256]; /* zero, sign, half carry and overflow flags DEC r8 */
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static UINT8 SZHVC_add[2*256*256]; /* flags for ADD opcode */
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static UINT8 SZHVC_sub[2*256*256]; /* flags for SUB opcode */
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static const UINT16 cc_op[0x100] = {
228
4*15,10*15, 7*15, 6*15, 4*15, 4*15, 7*15, 4*15, 4*15,11*15, 7*15, 6*15, 4*15, 4*15, 7*15, 4*15,
229
8*15,10*15, 7*15, 6*15, 4*15, 4*15, 7*15, 4*15,12*15,11*15, 7*15, 6*15, 4*15, 4*15, 7*15, 4*15,
230
7*15,10*15,16*15, 6*15, 4*15, 4*15, 7*15, 4*15, 7*15,11*15,16*15, 6*15, 4*15, 4*15, 7*15, 4*15,
231
7*15,10*15,13*15, 6*15,11*15,11*15,10*15, 4*15, 7*15,11*15,13*15, 6*15, 4*15, 4*15, 7*15, 4*15,
232
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
233
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
234
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
235
7*15, 7*15, 7*15, 7*15, 7*15, 7*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
236
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
237
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
238
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
239
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
240
5*15,10*15,10*15,10*15,10*15,11*15, 7*15,11*15, 5*15,10*15,10*15, 0*15,10*15,17*15, 7*15,11*15,
241
5*15,10*15,10*15,11*15,10*15,11*15, 7*15,11*15, 5*15, 4*15,10*15,11*15,10*15, 0*15, 7*15,11*15,
242
5*15,10*15,10*15,19*15,10*15,11*15, 7*15,11*15, 5*15, 4*15,10*15, 4*15,10*15, 0*15, 7*15,11*15,
243
5*15,10*15,10*15, 4*15,10*15,11*15, 7*15,11*15, 5*15, 6*15,10*15, 4*15,10*15, 0*15, 7*15,11*15};
244
245
static const UINT16 cc_cb[0x100] = {
246
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
247
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
248
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
249
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
250
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15,
251
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15,
252
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15,
253
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15,
254
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
255
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
256
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
257
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
258
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
259
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
260
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
261
8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15};
262
263
static const UINT16 cc_ed[0x100] = {
264
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
265
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
266
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
267
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
268
12*15,12*15,15*15,20*15, 8*15,14*15, 8*15, 9*15,12*15,12*15,15*15,20*15, 8*15,14*15, 8*15, 9*15,
269
12*15,12*15,15*15,20*15, 8*15,14*15, 8*15, 9*15,12*15,12*15,15*15,20*15, 8*15,14*15, 8*15, 9*15,
270
12*15,12*15,15*15,20*15, 8*15,14*15, 8*15,18*15,12*15,12*15,15*15,20*15, 8*15,14*15, 8*15,18*15,
271
12*15,12*15,15*15,20*15, 8*15,14*15, 8*15, 8*15,12*15,12*15,15*15,20*15, 8*15,14*15, 8*15, 8*15,
272
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
273
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
274
16*15,16*15,16*15,16*15, 8*15, 8*15, 8*15, 8*15,16*15,16*15,16*15,16*15, 8*15, 8*15, 8*15, 8*15,
275
16*15,16*15,16*15,16*15, 8*15, 8*15, 8*15, 8*15,16*15,16*15,16*15,16*15, 8*15, 8*15, 8*15, 8*15,
276
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
277
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
278
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
279
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15};
280
281
/*static const UINT8 cc_xy[0x100] = {
282
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,15*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,
283
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,15*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,
284
4*15,14*15,20*15,10*15, 9*15, 9*15,11*15, 4*15, 4*15,15*15,20*15,10*15, 9*15, 9*15,11*15, 4*15,
285
4*15, 4*15, 4*15, 4*15,23*15,23*15,19*15, 4*15, 4*15,15*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,
286
4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15, 4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15,
287
4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15, 4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15,
288
9*15, 9*15, 9*15, 9*15, 9*15, 9*15,19*15, 9*15, 9*15, 9*15, 9*15, 9*15, 9*15, 9*15,19*15, 9*15,
289
19*15,19*15,19*15,19*15,19*15,19*15, 4*15,19*15, 4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15,
290
4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15, 4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15,
291
4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15, 4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15,
292
4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15, 4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15,
293
4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15, 4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15,
294
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 0*15, 4*15, 4*15, 4*15, 4*15,
295
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,
296
4*15,14*15, 4*15,23*15, 4*15,15*15, 4*15, 4*15, 4*15, 8*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,
297
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,10*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15};
298
*/
299
300
/* illegal combo should return 4 + cc_op[i] */
301
static const UINT16 cc_xy[0x100] ={
302
8*15,14*15,11*15,10*15, 8*15, 8*15,11*15, 8*15, 8*15,15*15,11*15,10*15, 8*15, 8*15,11*15, 8*15,
303
12*15,14*15,11*15,10*15, 8*15, 8*15,11*15, 8*15,16*15,15*15,11*15,10*15, 8*15, 8*15,11*15, 8*15,
304
11*15,14*15,20*15,10*15, 9*15, 9*15,12*15, 8*15,11*15,15*15,20*15,10*15, 9*15, 9*15,12*15, 8*15,
305
11*15,14*15,17*15,10*15,23*15,23*15,19*15, 8*15,11*15,15*15,17*15,10*15, 8*15, 8*15,11*15, 8*15,
306
8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15, 8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15,
307
8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15, 8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15,
308
9*15, 9*15, 9*15, 9*15, 9*15, 9*15,19*15, 9*15, 9*15, 9*15, 9*15, 9*15, 9*15, 9*15,19*15, 9*15,
309
19*15,19*15,19*15,19*15,19*15,19*15, 8*15,19*15, 8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15,
310
8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15, 8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15,
311
8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15, 8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15,
312
8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15, 8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15,
313
8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15, 8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15,
314
9*15,14*15,14*15,14*15,14*15,15*15,11*15,15*15, 9*15,14*15,14*15, 0*15,14*15,21*15,11*15,15*15,
315
9*15,14*15,14*15,15*15,14*15,15*15,11*15,15*15, 9*15, 8*15,14*15,15*15,14*15, 4*15,11*15,15*15,
316
9*15,14*15,14*15,23*15,14*15,15*15,11*15,15*15, 9*15, 8*15,14*15, 8*15,14*15, 4*15,11*15,15*15,
317
9*15,14*15,14*15, 8*15,14*15,15*15,11*15,15*15, 9*15,10*15,14*15, 8*15,14*15, 4*15,11*15,15*15};
318
319
static const UINT16 cc_xycb[0x100] = {
320
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
321
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
322
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
323
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
324
20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,
325
20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,
326
20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,
327
20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,
328
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
329
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
330
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
331
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
332
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
333
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
334
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
335
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15};
336
337
/* extra cycles if jr/jp/call taken and 'interrupt latency' on rst 0-7 */
338
static const UINT16 cc_ex[0x100] = {
339
0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15,
340
5*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, /* DJNZ */
341
5*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 5*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, /* JR NZ/JR Z */
342
5*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 5*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, /* JR NC/JR C */
343
0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15,
344
0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15,
345
0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15,
346
0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15,
347
0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15,
348
0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15,
349
0*15, 0*15, 4*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 4*15, 0*15, 0*15, 0*15, 0*15, 0*15, /* INI/IND (cycle-accurate I/O port reads) */
350
5*15, 5*15, 5*15, 5*15, 0*15, 0*15, 0*15, 0*15, 5*15, 5*15, 5*15, 5*15, 0*15, 0*15, 0*15, 0*15, /* LDIR/CPIR/INIR/OTIR LDDR/CPDR/INDR/OTDR */
351
6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15, 6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15,
352
6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15, 6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15,
353
6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15, 6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15,
354
6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15, 6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15};
355
356
static const UINT16 *cc[6];
357
#define Z80_TABLE_dd Z80_TABLE_xy
358
#define Z80_TABLE_fd Z80_TABLE_xy
359
360
typedef void (*funcptr)(void);
361
362
#define PROTOTYPES(tablename,prefix) \
363
INLINE void prefix##_00(void); INLINE void prefix##_01(void); INLINE void prefix##_02(void); INLINE void prefix##_03(void); \
364
INLINE void prefix##_04(void); INLINE void prefix##_05(void); INLINE void prefix##_06(void); INLINE void prefix##_07(void); \
365
INLINE void prefix##_08(void); INLINE void prefix##_09(void); INLINE void prefix##_0a(void); INLINE void prefix##_0b(void); \
366
INLINE void prefix##_0c(void); INLINE void prefix##_0d(void); INLINE void prefix##_0e(void); INLINE void prefix##_0f(void); \
367
INLINE void prefix##_10(void); INLINE void prefix##_11(void); INLINE void prefix##_12(void); INLINE void prefix##_13(void); \
368
INLINE void prefix##_14(void); INLINE void prefix##_15(void); INLINE void prefix##_16(void); INLINE void prefix##_17(void); \
369
INLINE void prefix##_18(void); INLINE void prefix##_19(void); INLINE void prefix##_1a(void); INLINE void prefix##_1b(void); \
370
INLINE void prefix##_1c(void); INLINE void prefix##_1d(void); INLINE void prefix##_1e(void); INLINE void prefix##_1f(void); \
371
INLINE void prefix##_20(void); INLINE void prefix##_21(void); INLINE void prefix##_22(void); INLINE void prefix##_23(void); \
372
INLINE void prefix##_24(void); INLINE void prefix##_25(void); INLINE void prefix##_26(void); INLINE void prefix##_27(void); \
373
INLINE void prefix##_28(void); INLINE void prefix##_29(void); INLINE void prefix##_2a(void); INLINE void prefix##_2b(void); \
374
INLINE void prefix##_2c(void); INLINE void prefix##_2d(void); INLINE void prefix##_2e(void); INLINE void prefix##_2f(void); \
375
INLINE void prefix##_30(void); INLINE void prefix##_31(void); INLINE void prefix##_32(void); INLINE void prefix##_33(void); \
376
INLINE void prefix##_34(void); INLINE void prefix##_35(void); INLINE void prefix##_36(void); INLINE void prefix##_37(void); \
377
INLINE void prefix##_38(void); INLINE void prefix##_39(void); INLINE void prefix##_3a(void); INLINE void prefix##_3b(void); \
378
INLINE void prefix##_3c(void); INLINE void prefix##_3d(void); INLINE void prefix##_3e(void); INLINE void prefix##_3f(void); \
379
INLINE void prefix##_40(void); INLINE void prefix##_41(void); INLINE void prefix##_42(void); INLINE void prefix##_43(void); \
380
INLINE void prefix##_44(void); INLINE void prefix##_45(void); INLINE void prefix##_46(void); INLINE void prefix##_47(void); \
381
INLINE void prefix##_48(void); INLINE void prefix##_49(void); INLINE void prefix##_4a(void); INLINE void prefix##_4b(void); \
382
INLINE void prefix##_4c(void); INLINE void prefix##_4d(void); INLINE void prefix##_4e(void); INLINE void prefix##_4f(void); \
383
INLINE void prefix##_50(void); INLINE void prefix##_51(void); INLINE void prefix##_52(void); INLINE void prefix##_53(void); \
384
INLINE void prefix##_54(void); INLINE void prefix##_55(void); INLINE void prefix##_56(void); INLINE void prefix##_57(void); \
385
INLINE void prefix##_58(void); INLINE void prefix##_59(void); INLINE void prefix##_5a(void); INLINE void prefix##_5b(void); \
386
INLINE void prefix##_5c(void); INLINE void prefix##_5d(void); INLINE void prefix##_5e(void); INLINE void prefix##_5f(void); \
387
INLINE void prefix##_60(void); INLINE void prefix##_61(void); INLINE void prefix##_62(void); INLINE void prefix##_63(void); \
388
INLINE void prefix##_64(void); INLINE void prefix##_65(void); INLINE void prefix##_66(void); INLINE void prefix##_67(void); \
389
INLINE void prefix##_68(void); INLINE void prefix##_69(void); INLINE void prefix##_6a(void); INLINE void prefix##_6b(void); \
390
INLINE void prefix##_6c(void); INLINE void prefix##_6d(void); INLINE void prefix##_6e(void); INLINE void prefix##_6f(void); \
391
INLINE void prefix##_70(void); INLINE void prefix##_71(void); INLINE void prefix##_72(void); INLINE void prefix##_73(void); \
392
INLINE void prefix##_74(void); INLINE void prefix##_75(void); INLINE void prefix##_76(void); INLINE void prefix##_77(void); \
393
INLINE void prefix##_78(void); INLINE void prefix##_79(void); INLINE void prefix##_7a(void); INLINE void prefix##_7b(void); \
394
INLINE void prefix##_7c(void); INLINE void prefix##_7d(void); INLINE void prefix##_7e(void); INLINE void prefix##_7f(void); \
395
INLINE void prefix##_80(void); INLINE void prefix##_81(void); INLINE void prefix##_82(void); INLINE void prefix##_83(void); \
396
INLINE void prefix##_84(void); INLINE void prefix##_85(void); INLINE void prefix##_86(void); INLINE void prefix##_87(void); \
397
INLINE void prefix##_88(void); INLINE void prefix##_89(void); INLINE void prefix##_8a(void); INLINE void prefix##_8b(void); \
398
INLINE void prefix##_8c(void); INLINE void prefix##_8d(void); INLINE void prefix##_8e(void); INLINE void prefix##_8f(void); \
399
INLINE void prefix##_90(void); INLINE void prefix##_91(void); INLINE void prefix##_92(void); INLINE void prefix##_93(void); \
400
INLINE void prefix##_94(void); INLINE void prefix##_95(void); INLINE void prefix##_96(void); INLINE void prefix##_97(void); \
401
INLINE void prefix##_98(void); INLINE void prefix##_99(void); INLINE void prefix##_9a(void); INLINE void prefix##_9b(void); \
402
INLINE void prefix##_9c(void); INLINE void prefix##_9d(void); INLINE void prefix##_9e(void); INLINE void prefix##_9f(void); \
403
INLINE void prefix##_a0(void); INLINE void prefix##_a1(void); INLINE void prefix##_a2(void); INLINE void prefix##_a3(void); \
404
INLINE void prefix##_a4(void); INLINE void prefix##_a5(void); INLINE void prefix##_a6(void); INLINE void prefix##_a7(void); \
405
INLINE void prefix##_a8(void); INLINE void prefix##_a9(void); INLINE void prefix##_aa(void); INLINE void prefix##_ab(void); \
406
INLINE void prefix##_ac(void); INLINE void prefix##_ad(void); INLINE void prefix##_ae(void); INLINE void prefix##_af(void); \
407
INLINE void prefix##_b0(void); INLINE void prefix##_b1(void); INLINE void prefix##_b2(void); INLINE void prefix##_b3(void); \
408
INLINE void prefix##_b4(void); INLINE void prefix##_b5(void); INLINE void prefix##_b6(void); INLINE void prefix##_b7(void); \
409
INLINE void prefix##_b8(void); INLINE void prefix##_b9(void); INLINE void prefix##_ba(void); INLINE void prefix##_bb(void); \
410
INLINE void prefix##_bc(void); INLINE void prefix##_bd(void); INLINE void prefix##_be(void); INLINE void prefix##_bf(void); \
411
INLINE void prefix##_c0(void); INLINE void prefix##_c1(void); INLINE void prefix##_c2(void); INLINE void prefix##_c3(void); \
412
INLINE void prefix##_c4(void); INLINE void prefix##_c5(void); INLINE void prefix##_c6(void); INLINE void prefix##_c7(void); \
413
INLINE void prefix##_c8(void); INLINE void prefix##_c9(void); INLINE void prefix##_ca(void); INLINE void prefix##_cb(void); \
414
INLINE void prefix##_cc(void); INLINE void prefix##_cd(void); INLINE void prefix##_ce(void); INLINE void prefix##_cf(void); \
415
INLINE void prefix##_d0(void); INLINE void prefix##_d1(void); INLINE void prefix##_d2(void); INLINE void prefix##_d3(void); \
416
INLINE void prefix##_d4(void); INLINE void prefix##_d5(void); INLINE void prefix##_d6(void); INLINE void prefix##_d7(void); \
417
INLINE void prefix##_d8(void); INLINE void prefix##_d9(void); INLINE void prefix##_da(void); INLINE void prefix##_db(void); \
418
INLINE void prefix##_dc(void); INLINE void prefix##_dd(void); INLINE void prefix##_de(void); INLINE void prefix##_df(void); \
419
INLINE void prefix##_e0(void); INLINE void prefix##_e1(void); INLINE void prefix##_e2(void); INLINE void prefix##_e3(void); \
420
INLINE void prefix##_e4(void); INLINE void prefix##_e5(void); INLINE void prefix##_e6(void); INLINE void prefix##_e7(void); \
421
INLINE void prefix##_e8(void); INLINE void prefix##_e9(void); INLINE void prefix##_ea(void); INLINE void prefix##_eb(void); \
422
INLINE void prefix##_ec(void); INLINE void prefix##_ed(void); INLINE void prefix##_ee(void); INLINE void prefix##_ef(void); \
423
INLINE void prefix##_f0(void); INLINE void prefix##_f1(void); INLINE void prefix##_f2(void); INLINE void prefix##_f3(void); \
424
INLINE void prefix##_f4(void); INLINE void prefix##_f5(void); INLINE void prefix##_f6(void); INLINE void prefix##_f7(void); \
425
INLINE void prefix##_f8(void); INLINE void prefix##_f9(void); INLINE void prefix##_fa(void); INLINE void prefix##_fb(void); \
426
INLINE void prefix##_fc(void); INLINE void prefix##_fd(void); INLINE void prefix##_fe(void); INLINE void prefix##_ff(void); \
427
static const funcptr tablename[0x100] = { \
428
prefix##_00,prefix##_01,prefix##_02,prefix##_03,prefix##_04,prefix##_05,prefix##_06,prefix##_07, \
429
prefix##_08,prefix##_09,prefix##_0a,prefix##_0b,prefix##_0c,prefix##_0d,prefix##_0e,prefix##_0f, \
430
prefix##_10,prefix##_11,prefix##_12,prefix##_13,prefix##_14,prefix##_15,prefix##_16,prefix##_17, \
431
prefix##_18,prefix##_19,prefix##_1a,prefix##_1b,prefix##_1c,prefix##_1d,prefix##_1e,prefix##_1f, \
432
prefix##_20,prefix##_21,prefix##_22,prefix##_23,prefix##_24,prefix##_25,prefix##_26,prefix##_27, \
433
prefix##_28,prefix##_29,prefix##_2a,prefix##_2b,prefix##_2c,prefix##_2d,prefix##_2e,prefix##_2f, \
434
prefix##_30,prefix##_31,prefix##_32,prefix##_33,prefix##_34,prefix##_35,prefix##_36,prefix##_37, \
435
prefix##_38,prefix##_39,prefix##_3a,prefix##_3b,prefix##_3c,prefix##_3d,prefix##_3e,prefix##_3f, \
436
prefix##_40,prefix##_41,prefix##_42,prefix##_43,prefix##_44,prefix##_45,prefix##_46,prefix##_47, \
437
prefix##_48,prefix##_49,prefix##_4a,prefix##_4b,prefix##_4c,prefix##_4d,prefix##_4e,prefix##_4f, \
438
prefix##_50,prefix##_51,prefix##_52,prefix##_53,prefix##_54,prefix##_55,prefix##_56,prefix##_57, \
439
prefix##_58,prefix##_59,prefix##_5a,prefix##_5b,prefix##_5c,prefix##_5d,prefix##_5e,prefix##_5f, \
440
prefix##_60,prefix##_61,prefix##_62,prefix##_63,prefix##_64,prefix##_65,prefix##_66,prefix##_67, \
441
prefix##_68,prefix##_69,prefix##_6a,prefix##_6b,prefix##_6c,prefix##_6d,prefix##_6e,prefix##_6f, \
442
prefix##_70,prefix##_71,prefix##_72,prefix##_73,prefix##_74,prefix##_75,prefix##_76,prefix##_77, \
443
prefix##_78,prefix##_79,prefix##_7a,prefix##_7b,prefix##_7c,prefix##_7d,prefix##_7e,prefix##_7f, \
444
prefix##_80,prefix##_81,prefix##_82,prefix##_83,prefix##_84,prefix##_85,prefix##_86,prefix##_87, \
445
prefix##_88,prefix##_89,prefix##_8a,prefix##_8b,prefix##_8c,prefix##_8d,prefix##_8e,prefix##_8f, \
446
prefix##_90,prefix##_91,prefix##_92,prefix##_93,prefix##_94,prefix##_95,prefix##_96,prefix##_97, \
447
prefix##_98,prefix##_99,prefix##_9a,prefix##_9b,prefix##_9c,prefix##_9d,prefix##_9e,prefix##_9f, \
448
prefix##_a0,prefix##_a1,prefix##_a2,prefix##_a3,prefix##_a4,prefix##_a5,prefix##_a6,prefix##_a7, \
449
prefix##_a8,prefix##_a9,prefix##_aa,prefix##_ab,prefix##_ac,prefix##_ad,prefix##_ae,prefix##_af, \
450
prefix##_b0,prefix##_b1,prefix##_b2,prefix##_b3,prefix##_b4,prefix##_b5,prefix##_b6,prefix##_b7, \
451
prefix##_b8,prefix##_b9,prefix##_ba,prefix##_bb,prefix##_bc,prefix##_bd,prefix##_be,prefix##_bf, \
452
prefix##_c0,prefix##_c1,prefix##_c2,prefix##_c3,prefix##_c4,prefix##_c5,prefix##_c6,prefix##_c7, \
453
prefix##_c8,prefix##_c9,prefix##_ca,prefix##_cb,prefix##_cc,prefix##_cd,prefix##_ce,prefix##_cf, \
454
prefix##_d0,prefix##_d1,prefix##_d2,prefix##_d3,prefix##_d4,prefix##_d5,prefix##_d6,prefix##_d7, \
455
prefix##_d8,prefix##_d9,prefix##_da,prefix##_db,prefix##_dc,prefix##_dd,prefix##_de,prefix##_df, \
456
prefix##_e0,prefix##_e1,prefix##_e2,prefix##_e3,prefix##_e4,prefix##_e5,prefix##_e6,prefix##_e7, \
457
prefix##_e8,prefix##_e9,prefix##_ea,prefix##_eb,prefix##_ec,prefix##_ed,prefix##_ee,prefix##_ef, \
458
prefix##_f0,prefix##_f1,prefix##_f2,prefix##_f3,prefix##_f4,prefix##_f5,prefix##_f6,prefix##_f7, \
459
prefix##_f8,prefix##_f9,prefix##_fa,prefix##_fb,prefix##_fc,prefix##_fd,prefix##_fe,prefix##_ff \
460
}
461
462
PROTOTYPES(Z80op,op);
463
PROTOTYPES(Z80cb,cb);
464
PROTOTYPES(Z80dd,dd);
465
PROTOTYPES(Z80ed,ed);
466
PROTOTYPES(Z80fd,fd);
467
PROTOTYPES(Z80xycb,xycb);
468
469
/****************************************************************************/
470
/* Burn an odd amount of cycles, that is instructions taking something */
471
/* different from 4 T-states per opcode (and R increment) */
472
/****************************************************************************/
473
INLINE void BURNODD(int cycles, int opcodes, int cyclesum)
474
{
475
if( cycles > 0 )
476
{
477
R += (cycles / cyclesum) * opcodes;
478
Z80.cycles += (cycles / cyclesum) * cyclesum * 15;
479
}
480
}
481
482
/***************************************************************
483
* define an opcode function
484
***************************************************************/
485
#define OP(prefix,opcode) INLINE void prefix##_##opcode(void)
486
487
/***************************************************************
488
* adjust cycle count by n T-states
489
***************************************************************/
490
#define CC(prefix,opcode) Z80.cycles += cc[Z80_TABLE_##prefix][opcode]
491
492
/***************************************************************
493
* execute an opcode
494
***************************************************************/
495
#define EXEC(prefix,opcode) \
496
{ \
497
unsigned op = opcode; \
498
CC(prefix,op); \
499
(*Z80##prefix[op])(); \
500
}
501
502
#if BIG_SWITCH
503
#define EXEC_INLINE(prefix,opcode) \
504
{ \
505
unsigned op = opcode; \
506
CC(prefix,op); \
507
switch(op) \
508
{ \
509
case 0x00:prefix##_##00();break; case 0x01:prefix##_##01();break; case 0x02:prefix##_##02();break; case 0x03:prefix##_##03();break; \
510
case 0x04:prefix##_##04();break; case 0x05:prefix##_##05();break; case 0x06:prefix##_##06();break; case 0x07:prefix##_##07();break; \
511
case 0x08:prefix##_##08();break; case 0x09:prefix##_##09();break; case 0x0a:prefix##_##0a();break; case 0x0b:prefix##_##0b();break; \
512
case 0x0c:prefix##_##0c();break; case 0x0d:prefix##_##0d();break; case 0x0e:prefix##_##0e();break; case 0x0f:prefix##_##0f();break; \
513
case 0x10:prefix##_##10();break; case 0x11:prefix##_##11();break; case 0x12:prefix##_##12();break; case 0x13:prefix##_##13();break; \
514
case 0x14:prefix##_##14();break; case 0x15:prefix##_##15();break; case 0x16:prefix##_##16();break; case 0x17:prefix##_##17();break; \
515
case 0x18:prefix##_##18();break; case 0x19:prefix##_##19();break; case 0x1a:prefix##_##1a();break; case 0x1b:prefix##_##1b();break; \
516
case 0x1c:prefix##_##1c();break; case 0x1d:prefix##_##1d();break; case 0x1e:prefix##_##1e();break; case 0x1f:prefix##_##1f();break; \
517
case 0x20:prefix##_##20();break; case 0x21:prefix##_##21();break; case 0x22:prefix##_##22();break; case 0x23:prefix##_##23();break; \
518
case 0x24:prefix##_##24();break; case 0x25:prefix##_##25();break; case 0x26:prefix##_##26();break; case 0x27:prefix##_##27();break; \
519
case 0x28:prefix##_##28();break; case 0x29:prefix##_##29();break; case 0x2a:prefix##_##2a();break; case 0x2b:prefix##_##2b();break; \
520
case 0x2c:prefix##_##2c();break; case 0x2d:prefix##_##2d();break; case 0x2e:prefix##_##2e();break; case 0x2f:prefix##_##2f();break; \
521
case 0x30:prefix##_##30();break; case 0x31:prefix##_##31();break; case 0x32:prefix##_##32();break; case 0x33:prefix##_##33();break; \
522
case 0x34:prefix##_##34();break; case 0x35:prefix##_##35();break; case 0x36:prefix##_##36();break; case 0x37:prefix##_##37();break; \
523
case 0x38:prefix##_##38();break; case 0x39:prefix##_##39();break; case 0x3a:prefix##_##3a();break; case 0x3b:prefix##_##3b();break; \
524
case 0x3c:prefix##_##3c();break; case 0x3d:prefix##_##3d();break; case 0x3e:prefix##_##3e();break; case 0x3f:prefix##_##3f();break; \
525
case 0x40:prefix##_##40();break; case 0x41:prefix##_##41();break; case 0x42:prefix##_##42();break; case 0x43:prefix##_##43();break; \
526
case 0x44:prefix##_##44();break; case 0x45:prefix##_##45();break; case 0x46:prefix##_##46();break; case 0x47:prefix##_##47();break; \
527
case 0x48:prefix##_##48();break; case 0x49:prefix##_##49();break; case 0x4a:prefix##_##4a();break; case 0x4b:prefix##_##4b();break; \
528
case 0x4c:prefix##_##4c();break; case 0x4d:prefix##_##4d();break; case 0x4e:prefix##_##4e();break; case 0x4f:prefix##_##4f();break; \
529
case 0x50:prefix##_##50();break; case 0x51:prefix##_##51();break; case 0x52:prefix##_##52();break; case 0x53:prefix##_##53();break; \
530
case 0x54:prefix##_##54();break; case 0x55:prefix##_##55();break; case 0x56:prefix##_##56();break; case 0x57:prefix##_##57();break; \
531
case 0x58:prefix##_##58();break; case 0x59:prefix##_##59();break; case 0x5a:prefix##_##5a();break; case 0x5b:prefix##_##5b();break; \
532
case 0x5c:prefix##_##5c();break; case 0x5d:prefix##_##5d();break; case 0x5e:prefix##_##5e();break; case 0x5f:prefix##_##5f();break; \
533
case 0x60:prefix##_##60();break; case 0x61:prefix##_##61();break; case 0x62:prefix##_##62();break; case 0x63:prefix##_##63();break; \
534
case 0x64:prefix##_##64();break; case 0x65:prefix##_##65();break; case 0x66:prefix##_##66();break; case 0x67:prefix##_##67();break; \
535
case 0x68:prefix##_##68();break; case 0x69:prefix##_##69();break; case 0x6a:prefix##_##6a();break; case 0x6b:prefix##_##6b();break; \
536
case 0x6c:prefix##_##6c();break; case 0x6d:prefix##_##6d();break; case 0x6e:prefix##_##6e();break; case 0x6f:prefix##_##6f();break; \
537
case 0x70:prefix##_##70();break; case 0x71:prefix##_##71();break; case 0x72:prefix##_##72();break; case 0x73:prefix##_##73();break; \
538
case 0x74:prefix##_##74();break; case 0x75:prefix##_##75();break; case 0x76:prefix##_##76();break; case 0x77:prefix##_##77();break; \
539
case 0x78:prefix##_##78();break; case 0x79:prefix##_##79();break; case 0x7a:prefix##_##7a();break; case 0x7b:prefix##_##7b();break; \
540
case 0x7c:prefix##_##7c();break; case 0x7d:prefix##_##7d();break; case 0x7e:prefix##_##7e();break; case 0x7f:prefix##_##7f();break; \
541
case 0x80:prefix##_##80();break; case 0x81:prefix##_##81();break; case 0x82:prefix##_##82();break; case 0x83:prefix##_##83();break; \
542
case 0x84:prefix##_##84();break; case 0x85:prefix##_##85();break; case 0x86:prefix##_##86();break; case 0x87:prefix##_##87();break; \
543
case 0x88:prefix##_##88();break; case 0x89:prefix##_##89();break; case 0x8a:prefix##_##8a();break; case 0x8b:prefix##_##8b();break; \
544
case 0x8c:prefix##_##8c();break; case 0x8d:prefix##_##8d();break; case 0x8e:prefix##_##8e();break; case 0x8f:prefix##_##8f();break; \
545
case 0x90:prefix##_##90();break; case 0x91:prefix##_##91();break; case 0x92:prefix##_##92();break; case 0x93:prefix##_##93();break; \
546
case 0x94:prefix##_##94();break; case 0x95:prefix##_##95();break; case 0x96:prefix##_##96();break; case 0x97:prefix##_##97();break; \
547
case 0x98:prefix##_##98();break; case 0x99:prefix##_##99();break; case 0x9a:prefix##_##9a();break; case 0x9b:prefix##_##9b();break; \
548
case 0x9c:prefix##_##9c();break; case 0x9d:prefix##_##9d();break; case 0x9e:prefix##_##9e();break; case 0x9f:prefix##_##9f();break; \
549
case 0xa0:prefix##_##a0();break; case 0xa1:prefix##_##a1();break; case 0xa2:prefix##_##a2();break; case 0xa3:prefix##_##a3();break; \
550
case 0xa4:prefix##_##a4();break; case 0xa5:prefix##_##a5();break; case 0xa6:prefix##_##a6();break; case 0xa7:prefix##_##a7();break; \
551
case 0xa8:prefix##_##a8();break; case 0xa9:prefix##_##a9();break; case 0xaa:prefix##_##aa();break; case 0xab:prefix##_##ab();break; \
552
case 0xac:prefix##_##ac();break; case 0xad:prefix##_##ad();break; case 0xae:prefix##_##ae();break; case 0xaf:prefix##_##af();break; \
553
case 0xb0:prefix##_##b0();break; case 0xb1:prefix##_##b1();break; case 0xb2:prefix##_##b2();break; case 0xb3:prefix##_##b3();break; \
554
case 0xb4:prefix##_##b4();break; case 0xb5:prefix##_##b5();break; case 0xb6:prefix##_##b6();break; case 0xb7:prefix##_##b7();break; \
555
case 0xb8:prefix##_##b8();break; case 0xb9:prefix##_##b9();break; case 0xba:prefix##_##ba();break; case 0xbb:prefix##_##bb();break; \
556
case 0xbc:prefix##_##bc();break; case 0xbd:prefix##_##bd();break; case 0xbe:prefix##_##be();break; case 0xbf:prefix##_##bf();break; \
557
case 0xc0:prefix##_##c0();break; case 0xc1:prefix##_##c1();break; case 0xc2:prefix##_##c2();break; case 0xc3:prefix##_##c3();break; \
558
case 0xc4:prefix##_##c4();break; case 0xc5:prefix##_##c5();break; case 0xc6:prefix##_##c6();break; case 0xc7:prefix##_##c7();break; \
559
case 0xc8:prefix##_##c8();break; case 0xc9:prefix##_##c9();break; case 0xca:prefix##_##ca();break; case 0xcb:prefix##_##cb();break; \
560
case 0xcc:prefix##_##cc();break; case 0xcd:prefix##_##cd();break; case 0xce:prefix##_##ce();break; case 0xcf:prefix##_##cf();break; \
561
case 0xd0:prefix##_##d0();break; case 0xd1:prefix##_##d1();break; case 0xd2:prefix##_##d2();break; case 0xd3:prefix##_##d3();break; \
562
case 0xd4:prefix##_##d4();break; case 0xd5:prefix##_##d5();break; case 0xd6:prefix##_##d6();break; case 0xd7:prefix##_##d7();break; \
563
case 0xd8:prefix##_##d8();break; case 0xd9:prefix##_##d9();break; case 0xda:prefix##_##da();break; case 0xdb:prefix##_##db();break; \
564
case 0xdc:prefix##_##dc();break; case 0xdd:prefix##_##dd();break; case 0xde:prefix##_##de();break; case 0xdf:prefix##_##df();break; \
565
case 0xe0:prefix##_##e0();break; case 0xe1:prefix##_##e1();break; case 0xe2:prefix##_##e2();break; case 0xe3:prefix##_##e3();break; \
566
case 0xe4:prefix##_##e4();break; case 0xe5:prefix##_##e5();break; case 0xe6:prefix##_##e6();break; case 0xe7:prefix##_##e7();break; \
567
case 0xe8:prefix##_##e8();break; case 0xe9:prefix##_##e9();break; case 0xea:prefix##_##ea();break; case 0xeb:prefix##_##eb();break; \
568
case 0xec:prefix##_##ec();break; case 0xed:prefix##_##ed();break; case 0xee:prefix##_##ee();break; case 0xef:prefix##_##ef();break; \
569
case 0xf0:prefix##_##f0();break; case 0xf1:prefix##_##f1();break; case 0xf2:prefix##_##f2();break; case 0xf3:prefix##_##f3();break; \
570
case 0xf4:prefix##_##f4();break; case 0xf5:prefix##_##f5();break; case 0xf6:prefix##_##f6();break; case 0xf7:prefix##_##f7();break; \
571
case 0xf8:prefix##_##f8();break; case 0xf9:prefix##_##f9();break; case 0xfa:prefix##_##fa();break; case 0xfb:prefix##_##fb();break; \
572
case 0xfc:prefix##_##fc();break; case 0xfd:prefix##_##fd();break; case 0xfe:prefix##_##fe();break; case 0xff:prefix##_##ff();break; \
573
} \
574
}
575
#else
576
#define EXEC_INLINE EXEC
577
#endif
578
579
580
void CDLog68k(uint addr, uint flags);
581
582
void CDLogZ80(uint addr, uint flags)
583
{
584
//in case we wrap around while reading a u16 from FFFF...
585
addr &= 0xFFFF;
586
587
if(addr < 0x4000)
588
{
589
addr &= 0x1FFFF;
590
biz_cdcallback(addr, eCDLog_AddrType_RAMZ80, flags);
591
return;
592
}
593
594
if(addr >= 0x8000)
595
{
596
addr = zbank | (addr & 0x7FFF);
597
if (zbank_memory_map[addr >> 16].write)
598
{
599
//special memory maps are hard to support here.
600
return;
601
}
602
603
//punt to 68k mapper
604
CDLog68k(addr, flags);
605
return;
606
}
607
}
608
609
INLINE unsigned char CDLogZ80_RM(uint addr)
610
{
611
if(biz_cdcallback)
612
CDLogZ80(addr,eCDLog_Flags_DataZ80);
613
return z80_readmem(addr);
614
}
615
616
/***************************************************************
617
* Enter HALT state; write 1 to fake port on first execution
618
***************************************************************/
619
#define ENTER_HALT { \
620
PC--; \
621
HALT = 1; \
622
}
623
624
/***************************************************************
625
* Leave HALT state; write 0 to fake port
626
***************************************************************/
627
#define LEAVE_HALT { \
628
if( HALT ) \
629
{ \
630
HALT = 0; \
631
PC++; \
632
} \
633
}
634
635
/***************************************************************
636
* Input a byte from given I/O port
637
***************************************************************/
638
#define IN(port) z80_readport(port)
639
640
/***************************************************************
641
* Output a byte to given I/O port
642
***************************************************************/
643
#define OUT(port,value) z80_writeport(port,value)
644
645
/***************************************************************
646
* Read a byte from given memory location
647
***************************************************************/
648
#define RM(addr) CDLogZ80_RM(addr)
649
650
/***************************************************************
651
* Write a byte to given memory location
652
***************************************************************/
653
#define WM(addr,value) z80_writemem(addr,value)
654
655
/***************************************************************
656
* Read a word from given memory location
657
***************************************************************/
658
INLINE void RM16( UINT32 addr, PAIR *r )
659
{
660
r->b.l = RM(addr);
661
r->b.h = RM((addr+1)&0xffff);
662
}
663
664
/***************************************************************
665
* Write a word to given memory location
666
***************************************************************/
667
INLINE void WM16( UINT32 addr, PAIR *r )
668
{
669
WM(addr,r->b.l);
670
WM((addr+1)&0xffff,r->b.h);
671
}
672
673
/***************************************************************
674
* ROP() is identical to RM() except it is used for
675
* reading opcodes. In case of system with memory mapped I/O,
676
* this function can be used to greatly speed up emulation
677
***************************************************************/
678
INLINE UINT8 ROP(void)
679
{
680
unsigned pc = PCD;
681
PC++;
682
683
if(biz_cdcallback)
684
CDLogZ80(PC,eCDLog_Flags_ExecZ80First);
685
686
return cpu_readop(pc);
687
}
688
689
/****************************************************************
690
* ARG() is identical to ROP() except it is used
691
* for reading opcode arguments. This difference can be used to
692
* support systems that use different encoding mechanisms for
693
* opcodes and opcode arguments
694
***************************************************************/
695
INLINE UINT8 ARG(void)
696
{
697
unsigned pc = PCD;
698
PC++;
699
700
if(biz_cdcallback)
701
CDLogZ80(pc,eCDLog_Flags_ExecZ80Operand);
702
703
return cpu_readop_arg(pc);
704
}
705
706
INLINE UINT32 ARG16(void)
707
{
708
unsigned pc = PCD;
709
PC += 2;
710
711
if(biz_cdcallback)
712
{
713
CDLogZ80(pc,eCDLog_Flags_ExecZ80Operand);
714
CDLogZ80(pc+1,eCDLog_Flags_ExecZ80Operand);
715
}
716
717
return cpu_readop_arg(pc) | (cpu_readop_arg((pc+1)&0xffff) << 8);
718
}
719
720
/***************************************************************
721
* Calculate the effective address EA of an opcode using
722
* IX+offset resp. IY+offset addressing.
723
***************************************************************/
724
#define EAX do { EA = (UINT32)(UINT16)(IX + (INT8)ARG()); WZ = EA; } while (0)
725
#define EAY do { EA = (UINT32)(UINT16)(IY + (INT8)ARG()); WZ = EA; } while (0)
726
727
/***************************************************************
728
* POP
729
***************************************************************/
730
#define POP(DR) do { RM16( SPD, &Z80.DR ); SP += 2; } while (0)
731
732
/***************************************************************
733
* PUSH
734
***************************************************************/
735
#define PUSH(SR) do { SP -= 2; WM16( SPD, &Z80.SR ); } while (0)
736
737
/***************************************************************
738
* JP
739
***************************************************************/
740
#define JP { \
741
PCD = ARG16(); \
742
WZ = PCD; \
743
}
744
745
/***************************************************************
746
* JP_COND
747
***************************************************************/
748
#define JP_COND(cond) { \
749
if (cond) \
750
{ \
751
PCD = ARG16(); \
752
WZ = PCD; \
753
} \
754
else \
755
{ \
756
WZ = ARG16(); /* implicit do PC += 2 */ \
757
} \
758
}
759
760
/***************************************************************
761
* JR
762
***************************************************************/
763
#define JR() { \
764
INT8 arg = (INT8)ARG(); /* ARG() also increments PC */ \
765
PC += arg; /* so don't do PC += ARG() */ \
766
WZ = PC; \
767
}
768
769
/***************************************************************
770
* JR_COND
771
***************************************************************/
772
#define JR_COND(cond, opcode) { \
773
if (cond) \
774
{ \
775
JR(); \
776
CC(ex, opcode); \
777
} \
778
else PC++; \
779
}
780
781
/***************************************************************
782
* CALL
783
***************************************************************/
784
#define CALL() { \
785
EA = ARG16(); \
786
WZ = EA; \
787
PUSH(pc); \
788
PCD = EA; \
789
}
790
791
/***************************************************************
792
* CALL_COND
793
***************************************************************/
794
#define CALL_COND(cond, opcode) { \
795
if (cond) \
796
{ \
797
EA = ARG16(); \
798
WZ = EA; \
799
PUSH(pc); \
800
PCD = EA; \
801
CC(ex, opcode); \
802
} \
803
else \
804
{ \
805
WZ = ARG16(); /* implicit call PC+=2; */ \
806
} \
807
}
808
809
/***************************************************************
810
* RET_COND
811
***************************************************************/
812
#define RET_COND(cond, opcode) do { \
813
if (cond) \
814
{ \
815
POP(pc); \
816
WZ = PC; \
817
CC(ex, opcode); \
818
} \
819
} while (0)
820
821
/***************************************************************
822
* RETN
823
***************************************************************/
824
#define RETN do { \
825
LOG(("Z80 #%d RETN IFF1:%d IFF2:%d\n", cpu_getactivecpu(), IFF1, IFF2)); \
826
POP( pc ); \
827
WZ = PC; \
828
IFF1 = IFF2; \
829
} while (0)
830
831
/***************************************************************
832
* RETI
833
***************************************************************/
834
#define RETI { \
835
POP( pc ); \
836
WZ = PC; \
837
/* according to http://www.msxnet.org/tech/z80-documented.pdf */ \
838
IFF1 = IFF2; \
839
}
840
841
/***************************************************************
842
* LD R,A
843
***************************************************************/
844
#define LD_R_A { \
845
R = A; \
846
R2 = A & 0x80; /* keep bit 7 of R */ \
847
}
848
849
/***************************************************************
850
* LD A,R
851
***************************************************************/
852
#define LD_A_R { \
853
A = (R & 0x7f) | R2; \
854
F = (F & CF) | SZ[A] | ( IFF2 << 2 ); \
855
}
856
857
/***************************************************************
858
* LD I,A
859
***************************************************************/
860
#define LD_I_A { \
861
I = A; \
862
}
863
864
/***************************************************************
865
* LD A,I
866
***************************************************************/
867
#define LD_A_I { \
868
A = I; \
869
F = (F & CF) | SZ[A] | ( IFF2 << 2 ); \
870
}
871
872
/***************************************************************
873
* RST
874
***************************************************************/
875
#define RST(addr) \
876
PUSH( pc ); \
877
PCD = addr; \
878
WZ = PC; \
879
880
/***************************************************************
881
* INC r8
882
***************************************************************/
883
INLINE UINT8 INC(UINT8 value)
884
{
885
UINT8 res = value + 1;
886
F = (F & CF) | SZHV_inc[res];
887
return (UINT8)res;
888
}
889
890
/***************************************************************
891
* DEC r8
892
***************************************************************/
893
INLINE UINT8 DEC(UINT8 value)
894
{
895
UINT8 res = value - 1;
896
F = (F & CF) | SZHV_dec[res];
897
return res;
898
}
899
900
/***************************************************************
901
* RLCA
902
***************************************************************/
903
#define RLCA \
904
A = (A << 1) | (A >> 7); \
905
F = (F & (SF | ZF | PF)) | (A & (YF | XF | CF))
906
907
/***************************************************************
908
* RRCA
909
***************************************************************/
910
#define RRCA \
911
F = (F & (SF | ZF | PF)) | (A & CF); \
912
A = (A >> 1) | (A << 7); \
913
F |= (A & (YF | XF) )
914
915
/***************************************************************
916
* RLA
917
***************************************************************/
918
#define RLA { \
919
UINT8 res = (A << 1) | (F & CF); \
920
UINT8 c = (A & 0x80) ? CF : 0; \
921
F = (F & (SF | ZF | PF)) | c | (res & (YF | XF)); \
922
A = res; \
923
}
924
925
/***************************************************************
926
* RRA
927
***************************************************************/
928
#define RRA { \
929
UINT8 res = (A >> 1) | (F << 7); \
930
UINT8 c = (A & 0x01) ? CF : 0; \
931
F = (F & (SF | ZF | PF)) | c | (res & (YF | XF)); \
932
A = res; \
933
}
934
935
/***************************************************************
936
* RRD
937
***************************************************************/
938
#define RRD { \
939
UINT8 n = RM(HL); \
940
WZ = HL+1; \
941
WM( HL, (n >> 4) | (A << 4) ); \
942
A = (A & 0xf0) | (n & 0x0f); \
943
F = (F & CF) | SZP[A]; \
944
}
945
946
/***************************************************************
947
* RLD
948
***************************************************************/
949
#define RLD { \
950
UINT8 n = RM(HL); \
951
WZ = HL+1; \
952
WM( HL, (n << 4) | (A & 0x0f) ); \
953
A = (A & 0xf0) | (n >> 4); \
954
F = (F & CF) | SZP[A]; \
955
}
956
957
/***************************************************************
958
* ADD A,n
959
***************************************************************/
960
#define ADD(value) \
961
{ \
962
UINT32 ah = AFD & 0xff00; \
963
UINT32 res = (UINT8)((ah >> 8) + value); \
964
F = SZHVC_add[ah | res]; \
965
A = res; \
966
}
967
968
/***************************************************************
969
* ADC A,n
970
***************************************************************/
971
#define ADC(value) \
972
{ \
973
UINT32 ah = AFD & 0xff00, c = AFD & 1; \
974
UINT32 res = (UINT8)((ah >> 8) + value + c); \
975
F = SZHVC_add[(c << 16) | ah | res]; \
976
A = res; \
977
}
978
979
/***************************************************************
980
* SUB n
981
***************************************************************/
982
#define SUB(value) \
983
{ \
984
UINT32 ah = AFD & 0xff00; \
985
UINT32 res = (UINT8)((ah >> 8) - value); \
986
F = SZHVC_sub[ah | res]; \
987
A = res; \
988
}
989
990
/***************************************************************
991
* SBC A,n
992
***************************************************************/
993
#define SBC(value) \
994
{ \
995
UINT32 ah = AFD & 0xff00, c = AFD & 1; \
996
UINT32 res = (UINT8)((ah >> 8) - value - c); \
997
F = SZHVC_sub[(c<<16) | ah | res]; \
998
A = res; \
999
}
1000
1001
/***************************************************************
1002
* NEG
1003
***************************************************************/
1004
#define NEG { \
1005
UINT8 value = A; \
1006
A = 0; \
1007
SUB(value); \
1008
}
1009
1010
/***************************************************************
1011
* DAA
1012
***************************************************************/
1013
#define DAA { \
1014
UINT8 a = A; \
1015
if (F & NF) { \
1016
if ((F&HF) | ((A&0xf)>9)) a-=6; \
1017
if ((F&CF) | (A>0x99)) a-=0x60; \
1018
} \
1019
else { \
1020
if ((F&HF) | ((A&0xf)>9)) a+=6; \
1021
if ((F&CF) | (A>0x99)) a+=0x60; \
1022
} \
1023
\
1024
F = (F&(CF|NF)) | (A>0x99) | ((A^a)&HF) | SZP[a]; \
1025
A = a; \
1026
}
1027
1028
/***************************************************************
1029
* AND n
1030
***************************************************************/
1031
#define AND(value) \
1032
A &= value; \
1033
F = SZP[A] | HF
1034
1035
/***************************************************************
1036
* OR n
1037
***************************************************************/
1038
#define OR(value) \
1039
A |= value; \
1040
F = SZP[A]
1041
1042
/***************************************************************
1043
* XOR n
1044
***************************************************************/
1045
#define XOR(value) \
1046
A ^= value; \
1047
F = SZP[A]
1048
1049
/***************************************************************
1050
* CP n
1051
***************************************************************/
1052
#define CP(value) \
1053
{ \
1054
unsigned val = value; \
1055
UINT32 ah = AFD & 0xff00; \
1056
UINT32 res = (UINT8)((ah >> 8) - val); \
1057
F = (SZHVC_sub[ah | res] & ~(YF | XF)) | (val & (YF | XF)); \
1058
}
1059
1060
/***************************************************************
1061
* EX AF,AF'
1062
***************************************************************/
1063
#define EX_AF \
1064
{ \
1065
PAIR tmp; \
1066
tmp = Z80.af; Z80.af = Z80.af2; Z80.af2 = tmp; \
1067
}
1068
1069
/***************************************************************
1070
* EX DE,HL
1071
***************************************************************/
1072
#define EX_DE_HL \
1073
{ \
1074
PAIR tmp; \
1075
tmp = Z80.de; Z80.de = Z80.hl; Z80.hl = tmp; \
1076
}
1077
1078
/***************************************************************
1079
* EXX
1080
***************************************************************/
1081
#define EXX \
1082
{ \
1083
PAIR tmp; \
1084
tmp = Z80.bc; Z80.bc = Z80.bc2; Z80.bc2 = tmp; \
1085
tmp = Z80.de; Z80.de = Z80.de2; Z80.de2 = tmp; \
1086
tmp = Z80.hl; Z80.hl = Z80.hl2; Z80.hl2 = tmp; \
1087
}
1088
1089
/***************************************************************
1090
* EX (SP),r16
1091
***************************************************************/
1092
#define EXSP(DR) \
1093
{ \
1094
PAIR tmp = { { 0, 0, 0, 0 } }; \
1095
RM16( SPD, &tmp ); \
1096
WM16( SPD, &Z80.DR ); \
1097
Z80.DR = tmp; \
1098
WZ = Z80.DR.d; \
1099
}
1100
1101
1102
/***************************************************************
1103
* ADD16
1104
***************************************************************/
1105
#define ADD16(DR,SR) \
1106
{ \
1107
UINT32 res = Z80.DR.d + Z80.SR.d; \
1108
WZ = Z80.DR.d + 1; \
1109
F = (F & (SF | ZF | VF)) | \
1110
(((Z80.DR.d ^ res ^ Z80.SR.d) >> 8) & HF) | \
1111
((res >> 16) & CF) | ((res >> 8) & (YF | XF)); \
1112
Z80.DR.w.l = (UINT16)res; \
1113
}
1114
1115
/***************************************************************
1116
* ADC r16,r16
1117
***************************************************************/
1118
#define ADC16(Reg) \
1119
{ \
1120
UINT32 res = HLD + Z80.Reg.d + (F & CF); \
1121
WZ = HL + 1; \
1122
F = (((HLD ^ res ^ Z80.Reg.d) >> 8) & HF) | \
1123
((res >> 16) & CF) | \
1124
((res >> 8) & (SF | YF | XF)) | \
1125
((res & 0xffff) ? 0 : ZF) | \
1126
(((Z80.Reg.d ^ HLD ^ 0x8000) & (Z80.Reg.d ^ res) & 0x8000) >> 13); \
1127
HL = (UINT16)res; \
1128
}
1129
1130
/***************************************************************
1131
* SBC r16,r16
1132
***************************************************************/
1133
#define SBC16(Reg) \
1134
{ \
1135
UINT32 res = HLD - Z80.Reg.d - (F & CF); \
1136
WZ = HL + 1; \
1137
F = (((HLD ^ res ^ Z80.Reg.d) >> 8) & HF) | NF | \
1138
((res >> 16) & CF) | \
1139
((res >> 8) & (SF | YF | XF)) | \
1140
((res & 0xffff) ? 0 : ZF) | \
1141
(((Z80.Reg.d ^ HLD) & (HLD ^ res) &0x8000) >> 13); \
1142
HL = (UINT16)res; \
1143
}
1144
1145
/***************************************************************
1146
* RLC r8
1147
***************************************************************/
1148
INLINE UINT8 RLC(UINT8 value)
1149
{
1150
unsigned res = value;
1151
unsigned c = (res & 0x80) ? CF : 0;
1152
res = ((res << 1) | (res >> 7)) & 0xff;
1153
F = SZP[res] | c;
1154
return res;
1155
}
1156
1157
/***************************************************************
1158
* RRC r8
1159
***************************************************************/
1160
INLINE UINT8 RRC(UINT8 value)
1161
{
1162
unsigned res = value;
1163
unsigned c = (res & 0x01) ? CF : 0;
1164
res = ((res >> 1) | (res << 7)) & 0xff;
1165
F = SZP[res] | c;
1166
return res;
1167
}
1168
1169
/***************************************************************
1170
* RL r8
1171
***************************************************************/
1172
INLINE UINT8 RL(UINT8 value)
1173
{
1174
unsigned res = value;
1175
unsigned c = (res & 0x80) ? CF : 0;
1176
res = ((res << 1) | (F & CF)) & 0xff;
1177
F = SZP[res] | c;
1178
return res;
1179
}
1180
1181
/***************************************************************
1182
* RR r8
1183
***************************************************************/
1184
INLINE UINT8 RR(UINT8 value)
1185
{
1186
unsigned res = value;
1187
unsigned c = (res & 0x01) ? CF : 0;
1188
res = ((res >> 1) | (F << 7)) & 0xff;
1189
F = SZP[res] | c;
1190
return res;
1191
}
1192
1193
/***************************************************************
1194
* SLA r8
1195
***************************************************************/
1196
INLINE UINT8 SLA(UINT8 value)
1197
{
1198
unsigned res = value;
1199
unsigned c = (res & 0x80) ? CF : 0;
1200
res = (res << 1) & 0xff;
1201
F = SZP[res] | c;
1202
return res;
1203
}
1204
1205
/***************************************************************
1206
* SRA r8
1207
***************************************************************/
1208
INLINE UINT8 SRA(UINT8 value)
1209
{
1210
unsigned res = value;
1211
unsigned c = (res & 0x01) ? CF : 0;
1212
res = ((res >> 1) | (res & 0x80)) & 0xff;
1213
F = SZP[res] | c;
1214
return res;
1215
}
1216
1217
/***************************************************************
1218
* SLL r8
1219
***************************************************************/
1220
INLINE UINT8 SLL(UINT8 value)
1221
{
1222
unsigned res = value;
1223
unsigned c = (res & 0x80) ? CF : 0;
1224
res = ((res << 1) | 0x01) & 0xff;
1225
F = SZP[res] | c;
1226
return res;
1227
}
1228
1229
/***************************************************************
1230
* SRL r8
1231
***************************************************************/
1232
INLINE UINT8 SRL(UINT8 value)
1233
{
1234
unsigned res = value;
1235
unsigned c = (res & 0x01) ? CF : 0;
1236
res = (res >> 1) & 0xff;
1237
F = SZP[res] | c;
1238
return res;
1239
}
1240
1241
/***************************************************************
1242
* BIT bit,r8
1243
***************************************************************/
1244
#undef BIT
1245
#define BIT(bit,reg) \
1246
F = (F & CF) | HF | (SZ_BIT[reg & (1<<bit)] & ~(YF|XF)) | (reg & (YF|XF))
1247
1248
/***************************************************************
1249
* BIT bit,(HL)
1250
***************************************************************/
1251
#define BIT_HL(bit,reg) \
1252
F = (F & CF) | HF | (SZ_BIT[reg & (1<<bit)] & ~(YF|XF)) | (WZ_H & (YF|XF))
1253
1254
/***************************************************************
1255
* BIT bit,(IX/Y+o)
1256
***************************************************************/
1257
#define BIT_XY(bit,reg) \
1258
F = (F & CF) | HF | (SZ_BIT[reg & (1<<bit)] & ~(YF|XF)) | ((EA>>8) & (YF|XF))
1259
1260
/***************************************************************
1261
* RES bit,r8
1262
***************************************************************/
1263
INLINE UINT8 RES(UINT8 bit, UINT8 value)
1264
{
1265
return value & ~(1<<bit);
1266
}
1267
1268
/***************************************************************
1269
* SET bit,r8
1270
***************************************************************/
1271
INLINE UINT8 SET(UINT8 bit, UINT8 value)
1272
{
1273
return value | (1<<bit);
1274
}
1275
1276
/***************************************************************
1277
* LDI
1278
***************************************************************/
1279
#define LDI { \
1280
UINT8 io = RM(HL); \
1281
WM( DE, io ); \
1282
F &= SF | ZF | CF; \
1283
if( (A + io) & 0x02 ) F |= YF; /* bit 1 -> flag 5 */ \
1284
if( (A + io) & 0x08 ) F |= XF; /* bit 3 -> flag 3 */ \
1285
HL++; DE++; BC--; \
1286
if( BC ) F |= VF; \
1287
}
1288
1289
/***************************************************************
1290
* CPI
1291
***************************************************************/
1292
#define CPI { \
1293
UINT8 val = RM(HL); \
1294
UINT8 res = A - val; \
1295
WZ++; \
1296
HL++; BC--; \
1297
F = (F & CF) | (SZ[res]&~(YF|XF)) | ((A^val^res)&HF) | NF; \
1298
if( F & HF ) res -= 1; \
1299
if( res & 0x02 ) F |= YF; /* bit 1 -> flag 5 */ \
1300
if( res & 0x08 ) F |= XF; /* bit 3 -> flag 3 */ \
1301
if( BC ) F |= VF; \
1302
}
1303
1304
/***************************************************************
1305
* INI
1306
***************************************************************/
1307
#define INI { \
1308
unsigned t; \
1309
UINT8 io = IN(BC); \
1310
WZ = BC + 1; \
1311
CC(ex,0xa2); \
1312
B--; \
1313
WM( HL, io ); \
1314
HL++; \
1315
F = SZ[B]; \
1316
t = (unsigned)((C + 1) & 0xff) + (unsigned)io; \
1317
if( io & SF ) F |= NF; \
1318
if( t & 0x100 ) F |= HF | CF; \
1319
F |= SZP[(UINT8)(t & 0x07) ^ B] & PF; \
1320
}
1321
1322
/***************************************************************
1323
* OUTI
1324
***************************************************************/
1325
#define OUTI { \
1326
unsigned t; \
1327
UINT8 io = RM(HL); \
1328
B--; \
1329
WZ = BC + 1; \
1330
OUT( BC, io ); \
1331
HL++; \
1332
F = SZ[B]; \
1333
t = (unsigned)L + (unsigned)io; \
1334
if( io & SF ) F |= NF; \
1335
if( t & 0x100 ) F |= HF | CF; \
1336
F |= SZP[(UINT8)(t & 0x07) ^ B] & PF; \
1337
}
1338
1339
/***************************************************************
1340
* LDD
1341
***************************************************************/
1342
#define LDD { \
1343
UINT8 io = RM(HL); \
1344
WM( DE, io ); \
1345
F &= SF | ZF | CF; \
1346
if( (A + io) & 0x02 ) F |= YF; /* bit 1 -> flag 5 */ \
1347
if( (A + io) & 0x08 ) F |= XF; /* bit 3 -> flag 3 */ \
1348
HL--; DE--; BC--; \
1349
if( BC ) F |= VF; \
1350
}
1351
1352
/***************************************************************
1353
* CPD
1354
***************************************************************/
1355
#define CPD { \
1356
UINT8 val = RM(HL); \
1357
UINT8 res = A - val; \
1358
WZ--; \
1359
HL--; BC--; \
1360
F = (F & CF) | (SZ[res]&~(YF|XF)) | ((A^val^res)&HF) | NF; \
1361
if( F & HF ) res -= 1; \
1362
if( res & 0x02 ) F |= YF; /* bit 1 -> flag 5 */ \
1363
if( res & 0x08 ) F |= XF; /* bit 3 -> flag 3 */ \
1364
if( BC ) F |= VF; \
1365
}
1366
1367
/***************************************************************
1368
* IND
1369
***************************************************************/
1370
#define IND { \
1371
unsigned t; \
1372
UINT8 io = IN(BC); \
1373
WZ = BC - 1; \
1374
CC(ex,0xaa); \
1375
B--; \
1376
WM( HL, io ); \
1377
HL--; \
1378
F = SZ[B]; \
1379
t = ((unsigned)(C - 1) & 0xff) + (unsigned)io; \
1380
if( io & SF ) F |= NF; \
1381
if( t & 0x100 ) F |= HF | CF; \
1382
F |= SZP[(UINT8)(t & 0x07) ^ B] & PF; \
1383
}
1384
1385
/***************************************************************
1386
* OUTD
1387
***************************************************************/
1388
#define OUTD { \
1389
unsigned t; \
1390
UINT8 io = RM(HL); \
1391
B--; \
1392
WZ = BC - 1; \
1393
OUT( BC, io ); \
1394
HL--; \
1395
F = SZ[B]; \
1396
t = (unsigned)L + (unsigned)io; \
1397
if( io & SF ) F |= NF; \
1398
if( t & 0x100 ) F |= HF | CF; \
1399
F |= SZP[(UINT8)(t & 0x07) ^ B] & PF; \
1400
}
1401
1402
/***************************************************************
1403
* LDIR
1404
***************************************************************/
1405
#define LDIR \
1406
LDI; \
1407
if( BC ) \
1408
{ \
1409
PC -= 2; \
1410
WZ = PC + 1; \
1411
CC(ex,0xb0); \
1412
}
1413
1414
/***************************************************************
1415
* CPIR
1416
***************************************************************/
1417
#define CPIR \
1418
CPI; \
1419
if( BC && !(F & ZF) ) \
1420
{ \
1421
PC -= 2; \
1422
WZ = PC + 1; \
1423
CC(ex,0xb1); \
1424
}
1425
1426
/***************************************************************
1427
* INIR
1428
***************************************************************/
1429
#define INIR \
1430
INI; \
1431
if( B ) \
1432
{ \
1433
PC -= 2; \
1434
CC(ex,0xb2); \
1435
}
1436
1437
/***************************************************************
1438
* OTIR
1439
***************************************************************/
1440
#define OTIR \
1441
OUTI; \
1442
if( B ) \
1443
{ \
1444
PC -= 2; \
1445
CC(ex,0xb3); \
1446
}
1447
1448
/***************************************************************
1449
* LDDR
1450
***************************************************************/
1451
#define LDDR \
1452
LDD; \
1453
if( BC ) \
1454
{ \
1455
PC -= 2; \
1456
WZ = PC + 1; \
1457
CC(ex,0xb8); \
1458
}
1459
1460
/***************************************************************
1461
* CPDR
1462
***************************************************************/
1463
#define CPDR \
1464
CPD; \
1465
if( BC && !(F & ZF) ) \
1466
{ \
1467
PC -= 2; \
1468
WZ = PC + 1; \
1469
CC(ex,0xb9); \
1470
}
1471
1472
/***************************************************************
1473
* INDR
1474
***************************************************************/
1475
#define INDR \
1476
IND; \
1477
if( B ) \
1478
{ \
1479
PC -= 2; \
1480
CC(ex,0xba); \
1481
}
1482
1483
/***************************************************************
1484
* OTDR
1485
***************************************************************/
1486
#define OTDR \
1487
OUTD; \
1488
if( B ) \
1489
{ \
1490
PC -= 2; \
1491
CC(ex,0xbb); \
1492
}
1493
1494
/***************************************************************
1495
* EI
1496
***************************************************************/
1497
#define EI { \
1498
IFF1 = IFF2 = 1; \
1499
Z80.after_ei = TRUE; \
1500
}
1501
1502
/**********************************************************
1503
* opcodes with CB prefix
1504
* rotate, shift and bit operations
1505
**********************************************************/
1506
OP(cb,00) { B = RLC(B); } /* RLC B */
1507
OP(cb,01) { C = RLC(C); } /* RLC C */
1508
OP(cb,02) { D = RLC(D); } /* RLC D */
1509
OP(cb,03) { E = RLC(E); } /* RLC E */
1510
OP(cb,04) { H = RLC(H); } /* RLC H */
1511
OP(cb,05) { L = RLC(L); } /* RLC L */
1512
OP(cb,06) { WM( HL, RLC(RM(HL)) ); } /* RLC (HL) */
1513
OP(cb,07) { A = RLC(A); } /* RLC A */
1514
1515
OP(cb,08) { B = RRC(B); } /* RRC B */
1516
OP(cb,09) { C = RRC(C); } /* RRC C */
1517
OP(cb,0a) { D = RRC(D); } /* RRC D */
1518
OP(cb,0b) { E = RRC(E); } /* RRC E */
1519
OP(cb,0c) { H = RRC(H); } /* RRC H */
1520
OP(cb,0d) { L = RRC(L); } /* RRC L */
1521
OP(cb,0e) { WM( HL, RRC(RM(HL)) ); } /* RRC (HL) */
1522
OP(cb,0f) { A = RRC(A); } /* RRC A */
1523
1524
OP(cb,10) { B = RL(B); } /* RL B */
1525
OP(cb,11) { C = RL(C); } /* RL C */
1526
OP(cb,12) { D = RL(D); } /* RL D */
1527
OP(cb,13) { E = RL(E); } /* RL E */
1528
OP(cb,14) { H = RL(H); } /* RL H */
1529
OP(cb,15) { L = RL(L); } /* RL L */
1530
OP(cb,16) { WM( HL, RL(RM(HL)) ); } /* RL (HL) */
1531
OP(cb,17) { A = RL(A); } /* RL A */
1532
1533
OP(cb,18) { B = RR(B); } /* RR B */
1534
OP(cb,19) { C = RR(C); } /* RR C */
1535
OP(cb,1a) { D = RR(D); } /* RR D */
1536
OP(cb,1b) { E = RR(E); } /* RR E */
1537
OP(cb,1c) { H = RR(H); } /* RR H */
1538
OP(cb,1d) { L = RR(L); } /* RR L */
1539
OP(cb,1e) { WM( HL, RR(RM(HL)) ); } /* RR (HL) */
1540
OP(cb,1f) { A = RR(A); } /* RR A */
1541
1542
OP(cb,20) { B = SLA(B); } /* SLA B */
1543
OP(cb,21) { C = SLA(C); } /* SLA C */
1544
OP(cb,22) { D = SLA(D); } /* SLA D */
1545
OP(cb,23) { E = SLA(E); } /* SLA E */
1546
OP(cb,24) { H = SLA(H); } /* SLA H */
1547
OP(cb,25) { L = SLA(L); } /* SLA L */
1548
OP(cb,26) { WM( HL, SLA(RM(HL)) ); } /* SLA (HL) */
1549
OP(cb,27) { A = SLA(A); } /* SLA A */
1550
1551
OP(cb,28) { B = SRA(B); } /* SRA B */
1552
OP(cb,29) { C = SRA(C); } /* SRA C */
1553
OP(cb,2a) { D = SRA(D); } /* SRA D */
1554
OP(cb,2b) { E = SRA(E); } /* SRA E */
1555
OP(cb,2c) { H = SRA(H); } /* SRA H */
1556
OP(cb,2d) { L = SRA(L); } /* SRA L */
1557
OP(cb,2e) { WM( HL, SRA(RM(HL)) ); } /* SRA (HL) */
1558
OP(cb,2f) { A = SRA(A); } /* SRA A */
1559
1560
OP(cb,30) { B = SLL(B); } /* SLL B */
1561
OP(cb,31) { C = SLL(C); } /* SLL C */
1562
OP(cb,32) { D = SLL(D); } /* SLL D */
1563
OP(cb,33) { E = SLL(E); } /* SLL E */
1564
OP(cb,34) { H = SLL(H); } /* SLL H */
1565
OP(cb,35) { L = SLL(L); } /* SLL L */
1566
OP(cb,36) { WM( HL, SLL(RM(HL)) ); } /* SLL (HL) */
1567
OP(cb,37) { A = SLL(A); } /* SLL A */
1568
1569
OP(cb,38) { B = SRL(B); } /* SRL B */
1570
OP(cb,39) { C = SRL(C); } /* SRL C */
1571
OP(cb,3a) { D = SRL(D); } /* SRL D */
1572
OP(cb,3b) { E = SRL(E); } /* SRL E */
1573
OP(cb,3c) { H = SRL(H); } /* SRL H */
1574
OP(cb,3d) { L = SRL(L); } /* SRL L */
1575
OP(cb,3e) { WM( HL, SRL(RM(HL)) ); } /* SRL (HL) */
1576
OP(cb,3f) { A = SRL(A); } /* SRL A */
1577
1578
OP(cb,40) { BIT(0,B); } /* BIT 0,B */
1579
OP(cb,41) { BIT(0,C); } /* BIT 0,C */
1580
OP(cb,42) { BIT(0,D); } /* BIT 0,D */
1581
OP(cb,43) { BIT(0,E); } /* BIT 0,E */
1582
OP(cb,44) { BIT(0,H); } /* BIT 0,H */
1583
OP(cb,45) { BIT(0,L); } /* BIT 0,L */
1584
OP(cb,46) { BIT_HL(0,RM(HL)); } /* BIT 0,(HL) */
1585
OP(cb,47) { BIT(0,A); } /* BIT 0,A */
1586
1587
OP(cb,48) { BIT(1,B); } /* BIT 1,B */
1588
OP(cb,49) { BIT(1,C); } /* BIT 1,C */
1589
OP(cb,4a) { BIT(1,D); } /* BIT 1,D */
1590
OP(cb,4b) { BIT(1,E); } /* BIT 1,E */
1591
OP(cb,4c) { BIT(1,H); } /* BIT 1,H */
1592
OP(cb,4d) { BIT(1,L); } /* BIT 1,L */
1593
OP(cb,4e) { BIT_HL(1,RM(HL)); } /* BIT 1,(HL) */
1594
OP(cb,4f) { BIT(1,A); } /* BIT 1,A */
1595
1596
OP(cb,50) { BIT(2,B); } /* BIT 2,B */
1597
OP(cb,51) { BIT(2,C); } /* BIT 2,C */
1598
OP(cb,52) { BIT(2,D); } /* BIT 2,D */
1599
OP(cb,53) { BIT(2,E); } /* BIT 2,E */
1600
OP(cb,54) { BIT(2,H); } /* BIT 2,H */
1601
OP(cb,55) { BIT(2,L); } /* BIT 2,L */
1602
OP(cb,56) { BIT_HL(2,RM(HL)); } /* BIT 2,(HL) */
1603
OP(cb,57) { BIT(2,A); } /* BIT 2,A */
1604
1605
OP(cb,58) { BIT(3,B); } /* BIT 3,B */
1606
OP(cb,59) { BIT(3,C); } /* BIT 3,C */
1607
OP(cb,5a) { BIT(3,D); } /* BIT 3,D */
1608
OP(cb,5b) { BIT(3,E); } /* BIT 3,E */
1609
OP(cb,5c) { BIT(3,H); } /* BIT 3,H */
1610
OP(cb,5d) { BIT(3,L); } /* BIT 3,L */
1611
OP(cb,5e) { BIT_HL(3,RM(HL)); } /* BIT 3,(HL) */
1612
OP(cb,5f) { BIT(3,A); } /* BIT 3,A */
1613
1614
OP(cb,60) { BIT(4,B); } /* BIT 4,B */
1615
OP(cb,61) { BIT(4,C); } /* BIT 4,C */
1616
OP(cb,62) { BIT(4,D); } /* BIT 4,D */
1617
OP(cb,63) { BIT(4,E); } /* BIT 4,E */
1618
OP(cb,64) { BIT(4,H); } /* BIT 4,H */
1619
OP(cb,65) { BIT(4,L); } /* BIT 4,L */
1620
OP(cb,66) { BIT_HL(4,RM(HL)); } /* BIT 4,(HL) */
1621
OP(cb,67) { BIT(4,A); } /* BIT 4,A */
1622
1623
OP(cb,68) { BIT(5,B); } /* BIT 5,B */
1624
OP(cb,69) { BIT(5,C); } /* BIT 5,C */
1625
OP(cb,6a) { BIT(5,D); } /* BIT 5,D */
1626
OP(cb,6b) { BIT(5,E); } /* BIT 5,E */
1627
OP(cb,6c) { BIT(5,H); } /* BIT 5,H */
1628
OP(cb,6d) { BIT(5,L); } /* BIT 5,L */
1629
OP(cb,6e) { BIT_HL(5,RM(HL)); } /* BIT 5,(HL) */
1630
OP(cb,6f) { BIT(5,A); } /* BIT 5,A */
1631
1632
OP(cb,70) { BIT(6,B); } /* BIT 6,B */
1633
OP(cb,71) { BIT(6,C); } /* BIT 6,C */
1634
OP(cb,72) { BIT(6,D); } /* BIT 6,D */
1635
OP(cb,73) { BIT(6,E); } /* BIT 6,E */
1636
OP(cb,74) { BIT(6,H); } /* BIT 6,H */
1637
OP(cb,75) { BIT(6,L); } /* BIT 6,L */
1638
OP(cb,76) { BIT_HL(6,RM(HL)); } /* BIT 6,(HL) */
1639
OP(cb,77) { BIT(6,A); } /* BIT 6,A */
1640
1641
OP(cb,78) { BIT(7,B); } /* BIT 7,B */
1642
OP(cb,79) { BIT(7,C); } /* BIT 7,C */
1643
OP(cb,7a) { BIT(7,D); } /* BIT 7,D */
1644
OP(cb,7b) { BIT(7,E); } /* BIT 7,E */
1645
OP(cb,7c) { BIT(7,H); } /* BIT 7,H */
1646
OP(cb,7d) { BIT(7,L); } /* BIT 7,L */
1647
OP(cb,7e) { BIT_HL(7,RM(HL)); } /* BIT 7,(HL) */
1648
OP(cb,7f) { BIT(7,A); } /* BIT 7,A */
1649
1650
OP(cb,80) { B = RES(0,B); } /* RES 0,B */
1651
OP(cb,81) { C = RES(0,C); } /* RES 0,C */
1652
OP(cb,82) { D = RES(0,D); } /* RES 0,D */
1653
OP(cb,83) { E = RES(0,E); } /* RES 0,E */
1654
OP(cb,84) { H = RES(0,H); } /* RES 0,H */
1655
OP(cb,85) { L = RES(0,L); } /* RES 0,L */
1656
OP(cb,86) { WM( HL, RES(0,RM(HL)) ); } /* RES 0,(HL) */
1657
OP(cb,87) { A = RES(0,A); } /* RES 0,A */
1658
1659
OP(cb,88) { B = RES(1,B); } /* RES 1,B */
1660
OP(cb,89) { C = RES(1,C); } /* RES 1,C */
1661
OP(cb,8a) { D = RES(1,D); } /* RES 1,D */
1662
OP(cb,8b) { E = RES(1,E); } /* RES 1,E */
1663
OP(cb,8c) { H = RES(1,H); } /* RES 1,H */
1664
OP(cb,8d) { L = RES(1,L); } /* RES 1,L */
1665
OP(cb,8e) { WM( HL, RES(1,RM(HL)) ); } /* RES 1,(HL) */
1666
OP(cb,8f) { A = RES(1,A); } /* RES 1,A */
1667
1668
OP(cb,90) { B = RES(2,B); } /* RES 2,B */
1669
OP(cb,91) { C = RES(2,C); } /* RES 2,C */
1670
OP(cb,92) { D = RES(2,D); } /* RES 2,D */
1671
OP(cb,93) { E = RES(2,E); } /* RES 2,E */
1672
OP(cb,94) { H = RES(2,H); } /* RES 2,H */
1673
OP(cb,95) { L = RES(2,L); } /* RES 2,L */
1674
OP(cb,96) { WM( HL, RES(2,RM(HL)) ); } /* RES 2,(HL) */
1675
OP(cb,97) { A = RES(2,A); } /* RES 2,A */
1676
1677
OP(cb,98) { B = RES(3,B); } /* RES 3,B */
1678
OP(cb,99) { C = RES(3,C); } /* RES 3,C */
1679
OP(cb,9a) { D = RES(3,D); } /* RES 3,D */
1680
OP(cb,9b) { E = RES(3,E); } /* RES 3,E */
1681
OP(cb,9c) { H = RES(3,H); } /* RES 3,H */
1682
OP(cb,9d) { L = RES(3,L); } /* RES 3,L */
1683
OP(cb,9e) { WM( HL, RES(3,RM(HL)) ); } /* RES 3,(HL) */
1684
OP(cb,9f) { A = RES(3,A); } /* RES 3,A */
1685
1686
OP(cb,a0) { B = RES(4,B); } /* RES 4,B */
1687
OP(cb,a1) { C = RES(4,C); } /* RES 4,C */
1688
OP(cb,a2) { D = RES(4,D); } /* RES 4,D */
1689
OP(cb,a3) { E = RES(4,E); } /* RES 4,E */
1690
OP(cb,a4) { H = RES(4,H); } /* RES 4,H */
1691
OP(cb,a5) { L = RES(4,L); } /* RES 4,L */
1692
OP(cb,a6) { WM( HL, RES(4,RM(HL)) ); } /* RES 4,(HL) */
1693
OP(cb,a7) { A = RES(4,A); } /* RES 4,A */
1694
1695
OP(cb,a8) { B = RES(5,B); } /* RES 5,B */
1696
OP(cb,a9) { C = RES(5,C); } /* RES 5,C */
1697
OP(cb,aa) { D = RES(5,D); } /* RES 5,D */
1698
OP(cb,ab) { E = RES(5,E); } /* RES 5,E */
1699
OP(cb,ac) { H = RES(5,H); } /* RES 5,H */
1700
OP(cb,ad) { L = RES(5,L); } /* RES 5,L */
1701
OP(cb,ae) { WM( HL, RES(5,RM(HL)) ); } /* RES 5,(HL) */
1702
OP(cb,af) { A = RES(5,A); } /* RES 5,A */
1703
1704
OP(cb,b0) { B = RES(6,B); } /* RES 6,B */
1705
OP(cb,b1) { C = RES(6,C); } /* RES 6,C */
1706
OP(cb,b2) { D = RES(6,D); } /* RES 6,D */
1707
OP(cb,b3) { E = RES(6,E); } /* RES 6,E */
1708
OP(cb,b4) { H = RES(6,H); } /* RES 6,H */
1709
OP(cb,b5) { L = RES(6,L); } /* RES 6,L */
1710
OP(cb,b6) { WM( HL, RES(6,RM(HL)) ); } /* RES 6,(HL) */
1711
OP(cb,b7) { A = RES(6,A); } /* RES 6,A */
1712
1713
OP(cb,b8) { B = RES(7,B); } /* RES 7,B */
1714
OP(cb,b9) { C = RES(7,C); } /* RES 7,C */
1715
OP(cb,ba) { D = RES(7,D); } /* RES 7,D */
1716
OP(cb,bb) { E = RES(7,E); } /* RES 7,E */
1717
OP(cb,bc) { H = RES(7,H); } /* RES 7,H */
1718
OP(cb,bd) { L = RES(7,L); } /* RES 7,L */
1719
OP(cb,be) { WM( HL, RES(7,RM(HL)) ); } /* RES 7,(HL) */
1720
OP(cb,bf) { A = RES(7,A); } /* RES 7,A */
1721
1722
OP(cb,c0) { B = SET(0,B); } /* SET 0,B */
1723
OP(cb,c1) { C = SET(0,C); } /* SET 0,C */
1724
OP(cb,c2) { D = SET(0,D); } /* SET 0,D */
1725
OP(cb,c3) { E = SET(0,E); } /* SET 0,E */
1726
OP(cb,c4) { H = SET(0,H); } /* SET 0,H */
1727
OP(cb,c5) { L = SET(0,L); } /* SET 0,L */
1728
OP(cb,c6) { WM( HL, SET(0,RM(HL)) ); } /* SET 0,(HL) */
1729
OP(cb,c7) { A = SET(0,A); } /* SET 0,A */
1730
1731
OP(cb,c8) { B = SET(1,B); } /* SET 1,B */
1732
OP(cb,c9) { C = SET(1,C); } /* SET 1,C */
1733
OP(cb,ca) { D = SET(1,D); } /* SET 1,D */
1734
OP(cb,cb) { E = SET(1,E); } /* SET 1,E */
1735
OP(cb,cc) { H = SET(1,H); } /* SET 1,H */
1736
OP(cb,cd) { L = SET(1,L); } /* SET 1,L */
1737
OP(cb,ce) { WM( HL, SET(1,RM(HL)) ); } /* SET 1,(HL) */
1738
OP(cb,cf) { A = SET(1,A); } /* SET 1,A */
1739
1740
OP(cb,d0) { B = SET(2,B); } /* SET 2,B */
1741
OP(cb,d1) { C = SET(2,C); } /* SET 2,C */
1742
OP(cb,d2) { D = SET(2,D); } /* SET 2,D */
1743
OP(cb,d3) { E = SET(2,E); } /* SET 2,E */
1744
OP(cb,d4) { H = SET(2,H); } /* SET 2,H */
1745
OP(cb,d5) { L = SET(2,L); } /* SET 2,L */
1746
OP(cb,d6) { WM( HL, SET(2,RM(HL)) ); } /* SET 2,(HL) */
1747
OP(cb,d7) { A = SET(2,A); } /* SET 2,A */
1748
1749
OP(cb,d8) { B = SET(3,B); } /* SET 3,B */
1750
OP(cb,d9) { C = SET(3,C); } /* SET 3,C */
1751
OP(cb,da) { D = SET(3,D); } /* SET 3,D */
1752
OP(cb,db) { E = SET(3,E); } /* SET 3,E */
1753
OP(cb,dc) { H = SET(3,H); } /* SET 3,H */
1754
OP(cb,dd) { L = SET(3,L); } /* SET 3,L */
1755
OP(cb,de) { WM( HL, SET(3,RM(HL)) ); } /* SET 3,(HL) */
1756
OP(cb,df) { A = SET(3,A); } /* SET 3,A */
1757
1758
OP(cb,e0) { B = SET(4,B); } /* SET 4,B */
1759
OP(cb,e1) { C = SET(4,C); } /* SET 4,C */
1760
OP(cb,e2) { D = SET(4,D); } /* SET 4,D */
1761
OP(cb,e3) { E = SET(4,E); } /* SET 4,E */
1762
OP(cb,e4) { H = SET(4,H); } /* SET 4,H */
1763
OP(cb,e5) { L = SET(4,L); } /* SET 4,L */
1764
OP(cb,e6) { WM( HL, SET(4,RM(HL)) ); } /* SET 4,(HL) */
1765
OP(cb,e7) { A = SET(4,A); } /* SET 4,A */
1766
1767
OP(cb,e8) { B = SET(5,B); } /* SET 5,B */
1768
OP(cb,e9) { C = SET(5,C); } /* SET 5,C */
1769
OP(cb,ea) { D = SET(5,D); } /* SET 5,D */
1770
OP(cb,eb) { E = SET(5,E); } /* SET 5,E */
1771
OP(cb,ec) { H = SET(5,H); } /* SET 5,H */
1772
OP(cb,ed) { L = SET(5,L); } /* SET 5,L */
1773
OP(cb,ee) { WM( HL, SET(5,RM(HL)) ); } /* SET 5,(HL) */
1774
OP(cb,ef) { A = SET(5,A); } /* SET 5,A */
1775
1776
OP(cb,f0) { B = SET(6,B); } /* SET 6,B */
1777
OP(cb,f1) { C = SET(6,C); } /* SET 6,C */
1778
OP(cb,f2) { D = SET(6,D); } /* SET 6,D */
1779
OP(cb,f3) { E = SET(6,E); } /* SET 6,E */
1780
OP(cb,f4) { H = SET(6,H); } /* SET 6,H */
1781
OP(cb,f5) { L = SET(6,L); } /* SET 6,L */
1782
OP(cb,f6) { WM( HL, SET(6,RM(HL)) ); } /* SET 6,(HL) */
1783
OP(cb,f7) { A = SET(6,A); } /* SET 6,A */
1784
1785
OP(cb,f8) { B = SET(7,B); } /* SET 7,B */
1786
OP(cb,f9) { C = SET(7,C); } /* SET 7,C */
1787
OP(cb,fa) { D = SET(7,D); } /* SET 7,D */
1788
OP(cb,fb) { E = SET(7,E); } /* SET 7,E */
1789
OP(cb,fc) { H = SET(7,H); } /* SET 7,H */
1790
OP(cb,fd) { L = SET(7,L); } /* SET 7,L */
1791
OP(cb,fe) { WM( HL, SET(7,RM(HL)) ); } /* SET 7,(HL) */
1792
OP(cb,ff) { A = SET(7,A); } /* SET 7,A */
1793
1794
1795
/**********************************************************
1796
* opcodes with DD/FD CB prefix
1797
* rotate, shift and bit operations with (IX+o)
1798
**********************************************************/
1799
OP(xycb,00) { B = RLC( RM(EA) ); WM( EA,B ); } /* RLC B=(XY+o) */
1800
OP(xycb,01) { C = RLC( RM(EA) ); WM( EA,C ); } /* RLC C=(XY+o) */
1801
OP(xycb,02) { D = RLC( RM(EA) ); WM( EA,D ); } /* RLC D=(XY+o) */
1802
OP(xycb,03) { E = RLC( RM(EA) ); WM( EA,E ); } /* RLC E=(XY+o) */
1803
OP(xycb,04) { H = RLC( RM(EA) ); WM( EA,H ); } /* RLC H=(XY+o) */
1804
OP(xycb,05) { L = RLC( RM(EA) ); WM( EA,L ); } /* RLC L=(XY+o) */
1805
OP(xycb,06) { WM( EA, RLC( RM(EA) ) ); } /* RLC (XY+o) */
1806
OP(xycb,07) { A = RLC( RM(EA) ); WM( EA,A ); } /* RLC A=(XY+o) */
1807
1808
OP(xycb,08) { B = RRC( RM(EA) ); WM( EA,B ); } /* RRC B=(XY+o) */
1809
OP(xycb,09) { C = RRC( RM(EA) ); WM( EA,C ); } /* RRC C=(XY+o) */
1810
OP(xycb,0a) { D = RRC( RM(EA) ); WM( EA,D ); } /* RRC D=(XY+o) */
1811
OP(xycb,0b) { E = RRC( RM(EA) ); WM( EA,E ); } /* RRC E=(XY+o) */
1812
OP(xycb,0c) { H = RRC( RM(EA) ); WM( EA,H ); } /* RRC H=(XY+o) */
1813
OP(xycb,0d) { L = RRC( RM(EA) ); WM( EA,L ); } /* RRC L=(XY+o) */
1814
OP(xycb,0e) { WM( EA,RRC( RM(EA) ) ); } /* RRC (XY+o) */
1815
OP(xycb,0f) { A = RRC( RM(EA) ); WM( EA,A ); } /* RRC A=(XY+o) */
1816
1817
OP(xycb,10) { B = RL( RM(EA) ); WM( EA,B ); } /* RL B=(XY+o) */
1818
OP(xycb,11) { C = RL( RM(EA) ); WM( EA,C ); } /* RL C=(XY+o) */
1819
OP(xycb,12) { D = RL( RM(EA) ); WM( EA,D ); } /* RL D=(XY+o) */
1820
OP(xycb,13) { E = RL( RM(EA) ); WM( EA,E ); } /* RL E=(XY+o) */
1821
OP(xycb,14) { H = RL( RM(EA) ); WM( EA,H ); } /* RL H=(XY+o) */
1822
OP(xycb,15) { L = RL( RM(EA) ); WM( EA,L ); } /* RL L=(XY+o) */
1823
OP(xycb,16) { WM( EA,RL( RM(EA) ) ); } /* RL (XY+o) */
1824
OP(xycb,17) { A = RL( RM(EA) ); WM( EA,A ); } /* RL A=(XY+o) */
1825
1826
OP(xycb,18) { B = RR( RM(EA) ); WM( EA,B ); } /* RR B=(XY+o) */
1827
OP(xycb,19) { C = RR( RM(EA) ); WM( EA,C ); } /* RR C=(XY+o) */
1828
OP(xycb,1a) { D = RR( RM(EA) ); WM( EA,D ); } /* RR D=(XY+o) */
1829
OP(xycb,1b) { E = RR( RM(EA) ); WM( EA,E ); } /* RR E=(XY+o) */
1830
OP(xycb,1c) { H = RR( RM(EA) ); WM( EA,H ); } /* RR H=(XY+o) */
1831
OP(xycb,1d) { L = RR( RM(EA) ); WM( EA,L ); } /* RR L=(XY+o) */
1832
OP(xycb,1e) { WM( EA,RR( RM(EA) ) ); } /* RR (XY+o) */
1833
OP(xycb,1f) { A = RR( RM(EA) ); WM( EA,A ); } /* RR A=(XY+o) */
1834
1835
OP(xycb,20) { B = SLA( RM(EA) ); WM( EA,B ); } /* SLA B=(XY+o) */
1836
OP(xycb,21) { C = SLA( RM(EA) ); WM( EA,C ); } /* SLA C=(XY+o) */
1837
OP(xycb,22) { D = SLA( RM(EA) ); WM( EA,D ); } /* SLA D=(XY+o) */
1838
OP(xycb,23) { E = SLA( RM(EA) ); WM( EA,E ); } /* SLA E=(XY+o) */
1839
OP(xycb,24) { H = SLA( RM(EA) ); WM( EA,H ); } /* SLA H=(XY+o) */
1840
OP(xycb,25) { L = SLA( RM(EA) ); WM( EA,L ); } /* SLA L=(XY+o) */
1841
OP(xycb,26) { WM( EA,SLA( RM(EA) ) ); } /* SLA (XY+o) */
1842
OP(xycb,27) { A = SLA( RM(EA) ); WM( EA,A ); } /* SLA A=(XY+o) */
1843
1844
OP(xycb,28) { B = SRA( RM(EA) ); WM( EA,B ); } /* SRA B=(XY+o) */
1845
OP(xycb,29) { C = SRA( RM(EA) ); WM( EA,C ); } /* SRA C=(XY+o) */
1846
OP(xycb,2a) { D = SRA( RM(EA) ); WM( EA,D ); } /* SRA D=(XY+o) */
1847
OP(xycb,2b) { E = SRA( RM(EA) ); WM( EA,E ); } /* SRA E=(XY+o) */
1848
OP(xycb,2c) { H = SRA( RM(EA) ); WM( EA,H ); } /* SRA H=(XY+o) */
1849
OP(xycb,2d) { L = SRA( RM(EA) ); WM( EA,L ); } /* SRA L=(XY+o) */
1850
OP(xycb,2e) { WM( EA,SRA( RM(EA) ) ); } /* SRA (XY+o) */
1851
OP(xycb,2f) { A = SRA( RM(EA) ); WM( EA,A ); } /* SRA A=(XY+o) */
1852
1853
OP(xycb,30) { B = SLL( RM(EA) ); WM( EA,B ); } /* SLL B=(XY+o) */
1854
OP(xycb,31) { C = SLL( RM(EA) ); WM( EA,C ); } /* SLL C=(XY+o) */
1855
OP(xycb,32) { D = SLL( RM(EA) ); WM( EA,D ); } /* SLL D=(XY+o) */
1856
OP(xycb,33) { E = SLL( RM(EA) ); WM( EA,E ); } /* SLL E=(XY+o) */
1857
OP(xycb,34) { H = SLL( RM(EA) ); WM( EA,H ); } /* SLL H=(XY+o) */
1858
OP(xycb,35) { L = SLL( RM(EA) ); WM( EA,L ); } /* SLL L=(XY+o) */
1859
OP(xycb,36) { WM( EA,SLL( RM(EA) ) ); } /* SLL (XY+o) */
1860
OP(xycb,37) { A = SLL( RM(EA) ); WM( EA,A ); } /* SLL A=(XY+o) */
1861
1862
OP(xycb,38) { B = SRL( RM(EA) ); WM( EA,B ); } /* SRL B=(XY+o) */
1863
OP(xycb,39) { C = SRL( RM(EA) ); WM( EA,C ); } /* SRL C=(XY+o) */
1864
OP(xycb,3a) { D = SRL( RM(EA) ); WM( EA,D ); } /* SRL D=(XY+o) */
1865
OP(xycb,3b) { E = SRL( RM(EA) ); WM( EA,E ); } /* SRL E=(XY+o) */
1866
OP(xycb,3c) { H = SRL( RM(EA) ); WM( EA,H ); } /* SRL H=(XY+o) */
1867
OP(xycb,3d) { L = SRL( RM(EA) ); WM( EA,L ); } /* SRL L=(XY+o) */
1868
OP(xycb,3e) { WM( EA,SRL( RM(EA) ) ); } /* SRL (XY+o) */
1869
OP(xycb,3f) { A = SRL( RM(EA) ); WM( EA,A ); } /* SRL A=(XY+o) */
1870
1871
OP(xycb,40) { xycb_46(); } /* BIT 0,(XY+o) */
1872
OP(xycb,41) { xycb_46(); } /* BIT 0,(XY+o) */
1873
OP(xycb,42) { xycb_46(); } /* BIT 0,(XY+o) */
1874
OP(xycb,43) { xycb_46(); } /* BIT 0,(XY+o) */
1875
OP(xycb,44) { xycb_46(); } /* BIT 0,(XY+o) */
1876
OP(xycb,45) { xycb_46(); } /* BIT 0,(XY+o) */
1877
OP(xycb,46) { BIT_XY(0,RM(EA)); } /* BIT 0,(XY+o) */
1878
OP(xycb,47) { xycb_46(); } /* BIT 0,(XY+o) */
1879
1880
OP(xycb,48) { xycb_4e(); } /* BIT 1,(XY+o) */
1881
OP(xycb,49) { xycb_4e(); } /* BIT 1,(XY+o) */
1882
OP(xycb,4a) { xycb_4e(); } /* BIT 1,(XY+o) */
1883
OP(xycb,4b) { xycb_4e(); } /* BIT 1,(XY+o) */
1884
OP(xycb,4c) { xycb_4e(); } /* BIT 1,(XY+o) */
1885
OP(xycb,4d) { xycb_4e(); } /* BIT 1,(XY+o) */
1886
OP(xycb,4e) { BIT_XY(1,RM(EA)); } /* BIT 1,(XY+o) */
1887
OP(xycb,4f) { xycb_4e(); } /* BIT 1,(XY+o) */
1888
1889
OP(xycb,50) { xycb_56(); } /* BIT 2,(XY+o) */
1890
OP(xycb,51) { xycb_56(); } /* BIT 2,(XY+o) */
1891
OP(xycb,52) { xycb_56(); } /* BIT 2,(XY+o) */
1892
OP(xycb,53) { xycb_56(); } /* BIT 2,(XY+o) */
1893
OP(xycb,54) { xycb_56(); } /* BIT 2,(XY+o) */
1894
OP(xycb,55) { xycb_56(); } /* BIT 2,(XY+o) */
1895
OP(xycb,56) { BIT_XY(2,RM(EA)); } /* BIT 2,(XY+o) */
1896
OP(xycb,57) { xycb_56(); } /* BIT 2,(XY+o) */
1897
1898
OP(xycb,58) { xycb_5e(); } /* BIT 3,(XY+o) */
1899
OP(xycb,59) { xycb_5e(); } /* BIT 3,(XY+o) */
1900
OP(xycb,5a) { xycb_5e(); } /* BIT 3,(XY+o) */
1901
OP(xycb,5b) { xycb_5e(); } /* BIT 3,(XY+o) */
1902
OP(xycb,5c) { xycb_5e(); } /* BIT 3,(XY+o) */
1903
OP(xycb,5d) { xycb_5e(); } /* BIT 3,(XY+o) */
1904
OP(xycb,5e) { BIT_XY(3,RM(EA)); } /* BIT 3,(XY+o) */
1905
OP(xycb,5f) { xycb_5e(); } /* BIT 3,(XY+o) */
1906
1907
OP(xycb,60) { xycb_66(); } /* BIT 4,(XY+o) */
1908
OP(xycb,61) { xycb_66(); } /* BIT 4,(XY+o) */
1909
OP(xycb,62) { xycb_66(); } /* BIT 4,(XY+o) */
1910
OP(xycb,63) { xycb_66(); } /* BIT 4,(XY+o) */
1911
OP(xycb,64) { xycb_66(); } /* BIT 4,(XY+o) */
1912
OP(xycb,65) { xycb_66(); } /* BIT 4,(XY+o) */
1913
OP(xycb,66) { BIT_XY(4,RM(EA)); } /* BIT 4,(XY+o) */
1914
OP(xycb,67) { xycb_66(); } /* BIT 4,(XY+o) */
1915
1916
OP(xycb,68) { xycb_6e(); } /* BIT 5,(XY+o) */
1917
OP(xycb,69) { xycb_6e(); } /* BIT 5,(XY+o) */
1918
OP(xycb,6a) { xycb_6e(); } /* BIT 5,(XY+o) */
1919
OP(xycb,6b) { xycb_6e(); } /* BIT 5,(XY+o) */
1920
OP(xycb,6c) { xycb_6e(); } /* BIT 5,(XY+o) */
1921
OP(xycb,6d) { xycb_6e(); } /* BIT 5,(XY+o) */
1922
OP(xycb,6e) { BIT_XY(5,RM(EA)); } /* BIT 5,(XY+o) */
1923
OP(xycb,6f) { xycb_6e(); } /* BIT 5,(XY+o) */
1924
1925
OP(xycb,70) { xycb_76(); } /* BIT 6,(XY+o) */
1926
OP(xycb,71) { xycb_76(); } /* BIT 6,(XY+o) */
1927
OP(xycb,72) { xycb_76(); } /* BIT 6,(XY+o) */
1928
OP(xycb,73) { xycb_76(); } /* BIT 6,(XY+o) */
1929
OP(xycb,74) { xycb_76(); } /* BIT 6,(XY+o) */
1930
OP(xycb,75) { xycb_76(); } /* BIT 6,(XY+o) */
1931
OP(xycb,76) { BIT_XY(6,RM(EA)); } /* BIT 6,(XY+o) */
1932
OP(xycb,77) { xycb_76(); } /* BIT 6,(XY+o) */
1933
1934
OP(xycb,78) { xycb_7e(); } /* BIT 7,(XY+o) */
1935
OP(xycb,79) { xycb_7e(); } /* BIT 7,(XY+o) */
1936
OP(xycb,7a) { xycb_7e(); } /* BIT 7,(XY+o) */
1937
OP(xycb,7b) { xycb_7e(); } /* BIT 7,(XY+o) */
1938
OP(xycb,7c) { xycb_7e(); } /* BIT 7,(XY+o) */
1939
OP(xycb,7d) { xycb_7e(); } /* BIT 7,(XY+o) */
1940
OP(xycb,7e) { BIT_XY(7,RM(EA)); } /* BIT 7,(XY+o) */
1941
OP(xycb,7f) { xycb_7e(); } /* BIT 7,(XY+o) */
1942
1943
OP(xycb,80) { B = RES(0, RM(EA) ); WM( EA,B ); } /* RES 0,B=(XY+o) */
1944
OP(xycb,81) { C = RES(0, RM(EA) ); WM( EA,C ); } /* RES 0,C=(XY+o) */
1945
OP(xycb,82) { D = RES(0, RM(EA) ); WM( EA,D ); } /* RES 0,D=(XY+o) */
1946
OP(xycb,83) { E = RES(0, RM(EA) ); WM( EA,E ); } /* RES 0,E=(XY+o) */
1947
OP(xycb,84) { H = RES(0, RM(EA) ); WM( EA,H ); } /* RES 0,H=(XY+o) */
1948
OP(xycb,85) { L = RES(0, RM(EA) ); WM( EA,L ); } /* RES 0,L=(XY+o) */
1949
OP(xycb,86) { WM( EA, RES(0,RM(EA)) ); } /* RES 0,(XY+o) */
1950
OP(xycb,87) { A = RES(0, RM(EA) ); WM( EA,A ); } /* RES 0,A=(XY+o) */
1951
1952
OP(xycb,88) { B = RES(1, RM(EA) ); WM( EA,B ); } /* RES 1,B=(XY+o) */
1953
OP(xycb,89) { C = RES(1, RM(EA) ); WM( EA,C ); } /* RES 1,C=(XY+o) */
1954
OP(xycb,8a) { D = RES(1, RM(EA) ); WM( EA,D ); } /* RES 1,D=(XY+o) */
1955
OP(xycb,8b) { E = RES(1, RM(EA) ); WM( EA,E ); } /* RES 1,E=(XY+o) */
1956
OP(xycb,8c) { H = RES(1, RM(EA) ); WM( EA,H ); } /* RES 1,H=(XY+o) */
1957
OP(xycb,8d) { L = RES(1, RM(EA) ); WM( EA,L ); } /* RES 1,L=(XY+o) */
1958
OP(xycb,8e) { WM( EA, RES(1,RM(EA)) ); } /* RES 1,(XY+o) */
1959
OP(xycb,8f) { A = RES(1, RM(EA) ); WM( EA,A ); } /* RES 1,A=(XY+o) */
1960
1961
OP(xycb,90) { B = RES(2, RM(EA) ); WM( EA,B ); } /* RES 2,B=(XY+o) */
1962
OP(xycb,91) { C = RES(2, RM(EA) ); WM( EA,C ); } /* RES 2,C=(XY+o) */
1963
OP(xycb,92) { D = RES(2, RM(EA) ); WM( EA,D ); } /* RES 2,D=(XY+o) */
1964
OP(xycb,93) { E = RES(2, RM(EA) ); WM( EA,E ); } /* RES 2,E=(XY+o) */
1965
OP(xycb,94) { H = RES(2, RM(EA) ); WM( EA,H ); } /* RES 2,H=(XY+o) */
1966
OP(xycb,95) { L = RES(2, RM(EA) ); WM( EA,L ); } /* RES 2,L=(XY+o) */
1967
OP(xycb,96) { WM( EA, RES(2,RM(EA)) ); } /* RES 2,(XY+o) */
1968
OP(xycb,97) { A = RES(2, RM(EA) ); WM( EA,A ); } /* RES 2,A=(XY+o) */
1969
1970
OP(xycb,98) { B = RES(3, RM(EA) ); WM( EA,B ); } /* RES 3,B=(XY+o) */
1971
OP(xycb,99) { C = RES(3, RM(EA) ); WM( EA,C ); } /* RES 3,C=(XY+o) */
1972
OP(xycb,9a) { D = RES(3, RM(EA) ); WM( EA,D ); } /* RES 3,D=(XY+o) */
1973
OP(xycb,9b) { E = RES(3, RM(EA) ); WM( EA,E ); } /* RES 3,E=(XY+o) */
1974
OP(xycb,9c) { H = RES(3, RM(EA) ); WM( EA,H ); } /* RES 3,H=(XY+o) */
1975
OP(xycb,9d) { L = RES(3, RM(EA) ); WM( EA,L ); } /* RES 3,L=(XY+o) */
1976
OP(xycb,9e) { WM( EA, RES(3,RM(EA)) ); } /* RES 3,(XY+o) */
1977
OP(xycb,9f) { A = RES(3, RM(EA) ); WM( EA,A ); } /* RES 3,A=(XY+o) */
1978
1979
OP(xycb,a0) { B = RES(4, RM(EA) ); WM( EA,B ); } /* RES 4,B=(XY+o) */
1980
OP(xycb,a1) { C = RES(4, RM(EA) ); WM( EA,C ); } /* RES 4,C=(XY+o) */
1981
OP(xycb,a2) { D = RES(4, RM(EA) ); WM( EA,D ); } /* RES 4,D=(XY+o) */
1982
OP(xycb,a3) { E = RES(4, RM(EA) ); WM( EA,E ); } /* RES 4,E=(XY+o) */
1983
OP(xycb,a4) { H = RES(4, RM(EA) ); WM( EA,H ); } /* RES 4,H=(XY+o) */
1984
OP(xycb,a5) { L = RES(4, RM(EA) ); WM( EA,L ); } /* RES 4,L=(XY+o) */
1985
OP(xycb,a6) { WM( EA, RES(4,RM(EA)) ); } /* RES 4,(XY+o) */
1986
OP(xycb,a7) { A = RES(4, RM(EA) ); WM( EA,A ); } /* RES 4,A=(XY+o) */
1987
1988
OP(xycb,a8) { B = RES(5, RM(EA) ); WM( EA,B ); } /* RES 5,B=(XY+o) */
1989
OP(xycb,a9) { C = RES(5, RM(EA) ); WM( EA,C ); } /* RES 5,C=(XY+o) */
1990
OP(xycb,aa) { D = RES(5, RM(EA) ); WM( EA,D ); } /* RES 5,D=(XY+o) */
1991
OP(xycb,ab) { E = RES(5, RM(EA) ); WM( EA,E ); } /* RES 5,E=(XY+o) */
1992
OP(xycb,ac) { H = RES(5, RM(EA) ); WM( EA,H ); } /* RES 5,H=(XY+o) */
1993
OP(xycb,ad) { L = RES(5, RM(EA) ); WM( EA,L ); } /* RES 5,L=(XY+o) */
1994
OP(xycb,ae) { WM( EA, RES(5,RM(EA)) ); } /* RES 5,(XY+o) */
1995
OP(xycb,af) { A = RES(5, RM(EA) ); WM( EA,A ); } /* RES 5,A=(XY+o) */
1996
1997
OP(xycb,b0) { B = RES(6, RM(EA) ); WM( EA,B ); } /* RES 6,B=(XY+o) */
1998
OP(xycb,b1) { C = RES(6, RM(EA) ); WM( EA,C ); } /* RES 6,C=(XY+o) */
1999
OP(xycb,b2) { D = RES(6, RM(EA) ); WM( EA,D ); } /* RES 6,D=(XY+o) */
2000
OP(xycb,b3) { E = RES(6, RM(EA) ); WM( EA,E ); } /* RES 6,E=(XY+o) */
2001
OP(xycb,b4) { H = RES(6, RM(EA) ); WM( EA,H ); } /* RES 6,H=(XY+o) */
2002
OP(xycb,b5) { L = RES(6, RM(EA) ); WM( EA,L ); } /* RES 6,L=(XY+o) */
2003
OP(xycb,b6) { WM( EA, RES(6,RM(EA)) ); } /* RES 6,(XY+o) */
2004
OP(xycb,b7) { A = RES(6, RM(EA) ); WM( EA,A ); } /* RES 6,A=(XY+o) */
2005
2006
OP(xycb,b8) { B = RES(7, RM(EA) ); WM( EA,B ); } /* RES 7,B=(XY+o) */
2007
OP(xycb,b9) { C = RES(7, RM(EA) ); WM( EA,C ); } /* RES 7,C=(XY+o) */
2008
OP(xycb,ba) { D = RES(7, RM(EA) ); WM( EA,D ); } /* RES 7,D=(XY+o) */
2009
OP(xycb,bb) { E = RES(7, RM(EA) ); WM( EA,E ); } /* RES 7,E=(XY+o) */
2010
OP(xycb,bc) { H = RES(7, RM(EA) ); WM( EA,H ); } /* RES 7,H=(XY+o) */
2011
OP(xycb,bd) { L = RES(7, RM(EA) ); WM( EA,L ); } /* RES 7,L=(XY+o) */
2012
OP(xycb,be) { WM( EA, RES(7,RM(EA)) ); } /* RES 7,(XY+o) */
2013
OP(xycb,bf) { A = RES(7, RM(EA) ); WM( EA,A ); } /* RES 7,A=(XY+o) */
2014
2015
OP(xycb,c0) { B = SET(0, RM(EA) ); WM( EA,B ); } /* SET 0,B=(XY+o) */
2016
OP(xycb,c1) { C = SET(0, RM(EA) ); WM( EA,C ); } /* SET 0,C=(XY+o) */
2017
OP(xycb,c2) { D = SET(0, RM(EA) ); WM( EA,D ); } /* SET 0,D=(XY+o) */
2018
OP(xycb,c3) { E = SET(0, RM(EA) ); WM( EA,E ); } /* SET 0,E=(XY+o) */
2019
OP(xycb,c4) { H = SET(0, RM(EA) ); WM( EA,H ); } /* SET 0,H=(XY+o) */
2020
OP(xycb,c5) { L = SET(0, RM(EA) ); WM( EA,L ); } /* SET 0,L=(XY+o) */
2021
OP(xycb,c6) { WM( EA, SET(0,RM(EA)) ); } /* SET 0,(XY+o) */
2022
OP(xycb,c7) { A = SET(0, RM(EA) ); WM( EA,A ); } /* SET 0,A=(XY+o) */
2023
2024
OP(xycb,c8) { B = SET(1, RM(EA) ); WM( EA,B ); } /* SET 1,B=(XY+o) */
2025
OP(xycb,c9) { C = SET(1, RM(EA) ); WM( EA,C ); } /* SET 1,C=(XY+o) */
2026
OP(xycb,ca) { D = SET(1, RM(EA) ); WM( EA,D ); } /* SET 1,D=(XY+o) */
2027
OP(xycb,cb) { E = SET(1, RM(EA) ); WM( EA,E ); } /* SET 1,E=(XY+o) */
2028
OP(xycb,cc) { H = SET(1, RM(EA) ); WM( EA,H ); } /* SET 1,H=(XY+o) */
2029
OP(xycb,cd) { L = SET(1, RM(EA) ); WM( EA,L ); } /* SET 1,L=(XY+o) */
2030
OP(xycb,ce) { WM( EA, SET(1,RM(EA)) ); } /* SET 1,(XY+o) */
2031
OP(xycb,cf) { A = SET(1, RM(EA) ); WM( EA,A ); } /* SET 1,A=(XY+o) */
2032
2033
OP(xycb,d0) { B = SET(2, RM(EA) ); WM( EA,B ); } /* SET 2,B=(XY+o) */
2034
OP(xycb,d1) { C = SET(2, RM(EA) ); WM( EA,C ); } /* SET 2,C=(XY+o) */
2035
OP(xycb,d2) { D = SET(2, RM(EA) ); WM( EA,D ); } /* SET 2,D=(XY+o) */
2036
OP(xycb,d3) { E = SET(2, RM(EA) ); WM( EA,E ); } /* SET 2,E=(XY+o) */
2037
OP(xycb,d4) { H = SET(2, RM(EA) ); WM( EA,H ); } /* SET 2,H=(XY+o) */
2038
OP(xycb,d5) { L = SET(2, RM(EA) ); WM( EA,L ); } /* SET 2,L=(XY+o) */
2039
OP(xycb,d6) { WM( EA, SET(2,RM(EA)) ); } /* SET 2,(XY+o) */
2040
OP(xycb,d7) { A = SET(2, RM(EA) ); WM( EA,A ); } /* SET 2,A=(XY+o) */
2041
2042
OP(xycb,d8) { B = SET(3, RM(EA) ); WM( EA,B ); } /* SET 3,B=(XY+o) */
2043
OP(xycb,d9) { C = SET(3, RM(EA) ); WM( EA,C ); } /* SET 3,C=(XY+o) */
2044
OP(xycb,da) { D = SET(3, RM(EA) ); WM( EA,D ); } /* SET 3,D=(XY+o) */
2045
OP(xycb,db) { E = SET(3, RM(EA) ); WM( EA,E ); } /* SET 3,E=(XY+o) */
2046
OP(xycb,dc) { H = SET(3, RM(EA) ); WM( EA,H ); } /* SET 3,H=(XY+o) */
2047
OP(xycb,dd) { L = SET(3, RM(EA) ); WM( EA,L ); } /* SET 3,L=(XY+o) */
2048
OP(xycb,de) { WM( EA, SET(3,RM(EA)) ); } /* SET 3,(XY+o) */
2049
OP(xycb,df) { A = SET(3, RM(EA) ); WM( EA,A ); } /* SET 3,A=(XY+o) */
2050
2051
OP(xycb,e0) { B = SET(4, RM(EA) ); WM( EA,B ); } /* SET 4,B=(XY+o) */
2052
OP(xycb,e1) { C = SET(4, RM(EA) ); WM( EA,C ); } /* SET 4,C=(XY+o) */
2053
OP(xycb,e2) { D = SET(4, RM(EA) ); WM( EA,D ); } /* SET 4,D=(XY+o) */
2054
OP(xycb,e3) { E = SET(4, RM(EA) ); WM( EA,E ); } /* SET 4,E=(XY+o) */
2055
OP(xycb,e4) { H = SET(4, RM(EA) ); WM( EA,H ); } /* SET 4,H=(XY+o) */
2056
OP(xycb,e5) { L = SET(4, RM(EA) ); WM( EA,L ); } /* SET 4,L=(XY+o) */
2057
OP(xycb,e6) { WM( EA, SET(4,RM(EA)) ); } /* SET 4,(XY+o) */
2058
OP(xycb,e7) { A = SET(4, RM(EA) ); WM( EA,A ); } /* SET 4,A=(XY+o) */
2059
2060
OP(xycb,e8) { B = SET(5, RM(EA) ); WM( EA,B ); } /* SET 5,B=(XY+o) */
2061
OP(xycb,e9) { C = SET(5, RM(EA) ); WM( EA,C ); } /* SET 5,C=(XY+o) */
2062
OP(xycb,ea) { D = SET(5, RM(EA) ); WM( EA,D ); } /* SET 5,D=(XY+o) */
2063
OP(xycb,eb) { E = SET(5, RM(EA) ); WM( EA,E ); } /* SET 5,E=(XY+o) */
2064
OP(xycb,ec) { H = SET(5, RM(EA) ); WM( EA,H ); } /* SET 5,H=(XY+o) */
2065
OP(xycb,ed) { L = SET(5, RM(EA) ); WM( EA,L ); } /* SET 5,L=(XY+o) */
2066
OP(xycb,ee) { WM( EA, SET(5,RM(EA)) ); } /* SET 5,(XY+o) */
2067
OP(xycb,ef) { A = SET(5, RM(EA) ); WM( EA,A ); } /* SET 5,A=(XY+o) */
2068
2069
OP(xycb,f0) { B = SET(6, RM(EA) ); WM( EA,B ); } /* SET 6,B=(XY+o) */
2070
OP(xycb,f1) { C = SET(6, RM(EA) ); WM( EA,C ); } /* SET 6,C=(XY+o) */
2071
OP(xycb,f2) { D = SET(6, RM(EA) ); WM( EA,D ); } /* SET 6,D=(XY+o) */
2072
OP(xycb,f3) { E = SET(6, RM(EA) ); WM( EA,E ); } /* SET 6,E=(XY+o) */
2073
OP(xycb,f4) { H = SET(6, RM(EA) ); WM( EA,H ); } /* SET 6,H=(XY+o) */
2074
OP(xycb,f5) { L = SET(6, RM(EA) ); WM( EA,L ); } /* SET 6,L=(XY+o) */
2075
OP(xycb,f6) { WM( EA, SET(6,RM(EA)) ); } /* SET 6,(XY+o) */
2076
OP(xycb,f7) { A = SET(6, RM(EA) ); WM( EA,A ); } /* SET 6,A=(XY+o) */
2077
2078
OP(xycb,f8) { B = SET(7, RM(EA) ); WM( EA,B ); } /* SET 7,B=(XY+o) */
2079
OP(xycb,f9) { C = SET(7, RM(EA) ); WM( EA,C ); } /* SET 7,C=(XY+o) */
2080
OP(xycb,fa) { D = SET(7, RM(EA) ); WM( EA,D ); } /* SET 7,D=(XY+o) */
2081
OP(xycb,fb) { E = SET(7, RM(EA) ); WM( EA,E ); } /* SET 7,E=(XY+o) */
2082
OP(xycb,fc) { H = SET(7, RM(EA) ); WM( EA,H ); } /* SET 7,H=(XY+o) */
2083
OP(xycb,fd) { L = SET(7, RM(EA) ); WM( EA,L ); } /* SET 7,L=(XY+o) */
2084
OP(xycb,fe) { WM( EA, SET(7,RM(EA)) ); } /* SET 7,(XY+o) */
2085
OP(xycb,ff) { A = SET(7, RM(EA) ); WM( EA,A ); } /* SET 7,A=(XY+o) */
2086
2087
OP(illegal,1) {
2088
#if VERBOSE
2089
logerror("Z80 #%d ill. opcode $%02x $%02x\n",
2090
cpu_getactivecpu(), cpu_readop((PCD-1)&0xffff), cpu_readop(PCD));
2091
#endif
2092
}
2093
/**********************************************************
2094
* IX register related opcodes (DD prefix)
2095
**********************************************************/
2096
OP(dd,00) { illegal_1(); op_00(); } /* DB DD */
2097
OP(dd,01) { illegal_1(); op_01(); } /* DB DD */
2098
OP(dd,02) { illegal_1(); op_02(); } /* DB DD */
2099
OP(dd,03) { illegal_1(); op_03(); } /* DB DD */
2100
OP(dd,04) { illegal_1(); op_04(); } /* DB DD */
2101
OP(dd,05) { illegal_1(); op_05(); } /* DB DD */
2102
OP(dd,06) { illegal_1(); op_06(); } /* DB DD */
2103
OP(dd,07) { illegal_1(); op_07(); } /* DB DD */
2104
2105
OP(dd,08) { illegal_1(); op_08(); } /* DB DD */
2106
OP(dd,09) { ADD16(ix,bc); } /* ADD IX,BC */
2107
OP(dd,0a) { illegal_1(); op_0a(); } /* DB DD */
2108
OP(dd,0b) { illegal_1(); op_0b(); } /* DB DD */
2109
OP(dd,0c) { illegal_1(); op_0c(); } /* DB DD */
2110
OP(dd,0d) { illegal_1(); op_0d(); } /* DB DD */
2111
OP(dd,0e) { illegal_1(); op_0e(); } /* DB DD */
2112
OP(dd,0f) { illegal_1(); op_0f(); } /* DB DD */
2113
2114
OP(dd,10) { illegal_1(); op_10(); } /* DB DD */
2115
OP(dd,11) { illegal_1(); op_11(); } /* DB DD */
2116
OP(dd,12) { illegal_1(); op_12(); } /* DB DD */
2117
OP(dd,13) { illegal_1(); op_13(); } /* DB DD */
2118
OP(dd,14) { illegal_1(); op_14(); } /* DB DD */
2119
OP(dd,15) { illegal_1(); op_15(); } /* DB DD */
2120
OP(dd,16) { illegal_1(); op_16(); } /* DB DD */
2121
OP(dd,17) { illegal_1(); op_17(); } /* DB DD */
2122
2123
OP(dd,18) { illegal_1(); op_18(); } /* DB DD */
2124
OP(dd,19) { ADD16(ix,de); } /* ADD IX,DE */
2125
OP(dd,1a) { illegal_1(); op_1a(); } /* DB DD */
2126
OP(dd,1b) { illegal_1(); op_1b(); } /* DB DD */
2127
OP(dd,1c) { illegal_1(); op_1c(); } /* DB DD */
2128
OP(dd,1d) { illegal_1(); op_1d(); } /* DB DD */
2129
OP(dd,1e) { illegal_1(); op_1e(); } /* DB DD */
2130
OP(dd,1f) { illegal_1(); op_1f(); } /* DB DD */
2131
2132
OP(dd,20) { illegal_1(); op_20(); } /* DB DD */
2133
OP(dd,21) { IX = ARG16(); } /* LD IX,w */
2134
OP(dd,22) { EA = ARG16(); WM16( EA, &Z80.ix ); WZ = EA+1; } /* LD (w),IX */
2135
OP(dd,23) { IX++; } /* INC IX */
2136
OP(dd,24) { HX = INC(HX); } /* INC HX */
2137
OP(dd,25) { HX = DEC(HX); } /* DEC HX */
2138
OP(dd,26) { HX = ARG(); } /* LD HX,n */
2139
OP(dd,27) { illegal_1(); op_27(); } /* DB DD */
2140
2141
OP(dd,28) { illegal_1(); op_28(); } /* DB DD */
2142
OP(dd,29) { ADD16(ix,ix); } /* ADD IX,IX */
2143
OP(dd,2a) { EA = ARG16(); RM16( EA, &Z80.ix ); WZ = EA+1; } /* LD IX,(w) */
2144
OP(dd,2b) { IX--; } /* DEC IX */
2145
OP(dd,2c) { LX = INC(LX); } /* INC LX */
2146
OP(dd,2d) { LX = DEC(LX); } /* DEC LX */
2147
OP(dd,2e) { LX = ARG(); } /* LD LX,n */
2148
OP(dd,2f) { illegal_1(); op_2f(); } /* DB DD */
2149
2150
OP(dd,30) { illegal_1(); op_30(); } /* DB DD */
2151
OP(dd,31) { illegal_1(); op_31(); } /* DB DD */
2152
OP(dd,32) { illegal_1(); op_32(); } /* DB DD */
2153
OP(dd,33) { illegal_1(); op_33(); } /* DB DD */
2154
OP(dd,34) { EAX; WM( EA, INC(RM(EA)) ); } /* INC (IX+o) */
2155
OP(dd,35) { EAX; WM( EA, DEC(RM(EA)) ); } /* DEC (IX+o) */
2156
OP(dd,36) { EAX; WM( EA, ARG() ); } /* LD (IX+o),n */
2157
OP(dd,37) { illegal_1(); op_37(); } /* DB DD */
2158
2159
OP(dd,38) { illegal_1(); op_38(); } /* DB DD */
2160
OP(dd,39) { ADD16(ix,sp); } /* ADD IX,SP */
2161
OP(dd,3a) { illegal_1(); op_3a(); } /* DB DD */
2162
OP(dd,3b) { illegal_1(); op_3b(); } /* DB DD */
2163
OP(dd,3c) { illegal_1(); op_3c(); } /* DB DD */
2164
OP(dd,3d) { illegal_1(); op_3d(); } /* DB DD */
2165
OP(dd,3e) { illegal_1(); op_3e(); } /* DB DD */
2166
OP(dd,3f) { illegal_1(); op_3f(); } /* DB DD */
2167
2168
OP(dd,40) { illegal_1(); op_40(); } /* DB DD */
2169
OP(dd,41) { illegal_1(); op_41(); } /* DB DD */
2170
OP(dd,42) { illegal_1(); op_42(); } /* DB DD */
2171
OP(dd,43) { illegal_1(); op_43(); } /* DB DD */
2172
OP(dd,44) { B = HX; } /* LD B,HX */
2173
OP(dd,45) { B = LX; } /* LD B,LX */
2174
OP(dd,46) { EAX; B = RM(EA); } /* LD B,(IX+o) */
2175
OP(dd,47) { illegal_1(); op_47(); } /* DB DD */
2176
2177
OP(dd,48) { illegal_1(); op_48(); } /* DB DD */
2178
OP(dd,49) { illegal_1(); op_49(); } /* DB DD */
2179
OP(dd,4a) { illegal_1(); op_4a(); } /* DB DD */
2180
OP(dd,4b) { illegal_1(); op_4b(); } /* DB DD */
2181
OP(dd,4c) { C = HX; } /* LD C,HX */
2182
OP(dd,4d) { C = LX; } /* LD C,LX */
2183
OP(dd,4e) { EAX; C = RM(EA); } /* LD C,(IX+o) */
2184
OP(dd,4f) { illegal_1(); op_4f(); } /* DB DD */
2185
2186
OP(dd,50) { illegal_1(); op_50(); } /* DB DD */
2187
OP(dd,51) { illegal_1(); op_51(); } /* DB DD */
2188
OP(dd,52) { illegal_1(); op_52(); } /* DB DD */
2189
OP(dd,53) { illegal_1(); op_53(); } /* DB DD */
2190
OP(dd,54) { D = HX; } /* LD D,HX */
2191
OP(dd,55) { D = LX; } /* LD D,LX */
2192
OP(dd,56) { EAX; D = RM(EA); } /* LD D,(IX+o) */
2193
OP(dd,57) { illegal_1(); op_57(); } /* DB DD */
2194
2195
OP(dd,58) { illegal_1(); op_58(); } /* DB DD */
2196
OP(dd,59) { illegal_1(); op_59(); } /* DB DD */
2197
OP(dd,5a) { illegal_1(); op_5a(); } /* DB DD */
2198
OP(dd,5b) { illegal_1(); op_5b(); } /* DB DD */
2199
OP(dd,5c) { E = HX; } /* LD E,HX */
2200
OP(dd,5d) { E = LX; } /* LD E,LX */
2201
OP(dd,5e) { EAX; E = RM(EA); } /* LD E,(IX+o) */
2202
OP(dd,5f) { illegal_1(); op_5f(); } /* DB DD */
2203
2204
OP(dd,60) { HX = B; } /* LD HX,B */
2205
OP(dd,61) { HX = C; } /* LD HX,C */
2206
OP(dd,62) { HX = D; } /* LD HX,D */
2207
OP(dd,63) { HX = E; } /* LD HX,E */
2208
OP(dd,64) { } /* LD HX,HX */
2209
OP(dd,65) { HX = LX; } /* LD HX,LX */
2210
OP(dd,66) { EAX; H = RM(EA); } /* LD H,(IX+o) */
2211
OP(dd,67) { HX = A; } /* LD HX,A */
2212
2213
OP(dd,68) { LX = B; } /* LD LX,B */
2214
OP(dd,69) { LX = C; } /* LD LX,C */
2215
OP(dd,6a) { LX = D; } /* LD LX,D */
2216
OP(dd,6b) { LX = E; } /* LD LX,E */
2217
OP(dd,6c) { LX = HX; } /* LD LX,HX */
2218
OP(dd,6d) { } /* LD LX,LX */
2219
OP(dd,6e) { EAX; L = RM(EA); } /* LD L,(IX+o) */
2220
OP(dd,6f) { LX = A; } /* LD LX,A */
2221
2222
OP(dd,70) { EAX; WM( EA, B ); } /* LD (IX+o),B */
2223
OP(dd,71) { EAX; WM( EA, C ); } /* LD (IX+o),C */
2224
OP(dd,72) { EAX; WM( EA, D ); } /* LD (IX+o),D */
2225
OP(dd,73) { EAX; WM( EA, E ); } /* LD (IX+o),E */
2226
OP(dd,74) { EAX; WM( EA, H ); } /* LD (IX+o),H */
2227
OP(dd,75) { EAX; WM( EA, L ); } /* LD (IX+o),L */
2228
OP(dd,76) { illegal_1(); op_76(); } /* DB DD */
2229
OP(dd,77) { EAX; WM( EA, A ); } /* LD (IX+o),A */
2230
2231
OP(dd,78) { illegal_1(); op_78(); } /* DB DD */
2232
OP(dd,79) { illegal_1(); op_79(); } /* DB DD */
2233
OP(dd,7a) { illegal_1(); op_7a(); } /* DB DD */
2234
OP(dd,7b) { illegal_1(); op_7b(); } /* DB DD */
2235
OP(dd,7c) { A = HX; } /* LD A,HX */
2236
OP(dd,7d) { A = LX; } /* LD A,LX */
2237
OP(dd,7e) { EAX; A = RM(EA); } /* LD A,(IX+o) */
2238
OP(dd,7f) { illegal_1(); op_7f(); } /* DB DD */
2239
2240
OP(dd,80) { illegal_1(); op_80(); } /* DB DD */
2241
OP(dd,81) { illegal_1(); op_81(); } /* DB DD */
2242
OP(dd,82) { illegal_1(); op_82(); } /* DB DD */
2243
OP(dd,83) { illegal_1(); op_83(); } /* DB DD */
2244
OP(dd,84) { ADD(HX); } /* ADD A,HX */
2245
OP(dd,85) { ADD(LX); } /* ADD A,LX */
2246
OP(dd,86) { EAX; ADD(RM(EA)); } /* ADD A,(IX+o) */
2247
OP(dd,87) { illegal_1(); op_87(); } /* DB DD */
2248
2249
OP(dd,88) { illegal_1(); op_88(); } /* DB DD */
2250
OP(dd,89) { illegal_1(); op_89(); } /* DB DD */
2251
OP(dd,8a) { illegal_1(); op_8a(); } /* DB DD */
2252
OP(dd,8b) { illegal_1(); op_8b(); } /* DB DD */
2253
OP(dd,8c) { ADC(HX); } /* ADC A,HX */
2254
OP(dd,8d) { ADC(LX); } /* ADC A,LX */
2255
OP(dd,8e) { EAX; ADC(RM(EA)); } /* ADC A,(IX+o) */
2256
OP(dd,8f) { illegal_1(); op_8f(); } /* DB DD */
2257
2258
OP(dd,90) { illegal_1(); op_90(); } /* DB DD */
2259
OP(dd,91) { illegal_1(); op_91(); } /* DB DD */
2260
OP(dd,92) { illegal_1(); op_92(); } /* DB DD */
2261
OP(dd,93) { illegal_1(); op_93(); } /* DB DD */
2262
OP(dd,94) { SUB(HX); } /* SUB HX */
2263
OP(dd,95) { SUB(LX); } /* SUB LX */
2264
OP(dd,96) { EAX; SUB(RM(EA)); } /* SUB (IX+o) */
2265
OP(dd,97) { illegal_1(); op_97(); } /* DB DD */
2266
2267
OP(dd,98) { illegal_1(); op_98(); } /* DB DD */
2268
OP(dd,99) { illegal_1(); op_99(); } /* DB DD */
2269
OP(dd,9a) { illegal_1(); op_9a(); } /* DB DD */
2270
OP(dd,9b) { illegal_1(); op_9b(); } /* DB DD */
2271
OP(dd,9c) { SBC(HX); } /* SBC A,HX */
2272
OP(dd,9d) { SBC(LX); } /* SBC A,LX */
2273
OP(dd,9e) { EAX; SBC(RM(EA)); } /* SBC A,(IX+o) */
2274
OP(dd,9f) { illegal_1(); op_9f(); } /* DB DD */
2275
2276
OP(dd,a0) { illegal_1(); op_a0(); } /* DB DD */
2277
OP(dd,a1) { illegal_1(); op_a1(); } /* DB DD */
2278
OP(dd,a2) { illegal_1(); op_a2(); } /* DB DD */
2279
OP(dd,a3) { illegal_1(); op_a3(); } /* DB DD */
2280
OP(dd,a4) { AND(HX); } /* AND HX */
2281
OP(dd,a5) { AND(LX); } /* AND LX */
2282
OP(dd,a6) { EAX; AND(RM(EA)); } /* AND (IX+o) */
2283
OP(dd,a7) { illegal_1(); op_a7(); } /* DB DD */
2284
2285
OP(dd,a8) { illegal_1(); op_a8(); } /* DB DD */
2286
OP(dd,a9) { illegal_1(); op_a9(); } /* DB DD */
2287
OP(dd,aa) { illegal_1(); op_aa(); } /* DB DD */
2288
OP(dd,ab) { illegal_1(); op_ab(); } /* DB DD */
2289
OP(dd,ac) { XOR(HX); } /* XOR HX */
2290
OP(dd,ad) { XOR(LX); } /* XOR LX */
2291
OP(dd,ae) { EAX; XOR(RM(EA)); } /* XOR (IX+o) */
2292
OP(dd,af) { illegal_1(); op_af(); } /* DB DD */
2293
2294
OP(dd,b0) { illegal_1(); op_b0(); } /* DB DD */
2295
OP(dd,b1) { illegal_1(); op_b1(); } /* DB DD */
2296
OP(dd,b2) { illegal_1(); op_b2(); } /* DB DD */
2297
OP(dd,b3) { illegal_1(); op_b3(); } /* DB DD */
2298
OP(dd,b4) { OR(HX); } /* OR HX */
2299
OP(dd,b5) { OR(LX); } /* OR LX */
2300
OP(dd,b6) { EAX; OR(RM(EA)); } /* OR (IX+o) */
2301
OP(dd,b7) { illegal_1(); op_b7(); } /* DB DD */
2302
2303
OP(dd,b8) { illegal_1(); op_b8(); } /* DB DD */
2304
OP(dd,b9) { illegal_1(); op_b9(); } /* DB DD */
2305
OP(dd,ba) { illegal_1(); op_ba(); } /* DB DD */
2306
OP(dd,bb) { illegal_1(); op_bb(); } /* DB DD */
2307
OP(dd,bc) { CP(HX); } /* CP HX */
2308
OP(dd,bd) { CP(LX); } /* CP LX */
2309
OP(dd,be) { EAX; CP(RM(EA)); } /* CP (IX+o) */
2310
OP(dd,bf) { illegal_1(); op_bf(); } /* DB DD */
2311
2312
OP(dd,c0) { illegal_1(); op_c0(); } /* DB DD */
2313
OP(dd,c1) { illegal_1(); op_c1(); } /* DB DD */
2314
OP(dd,c2) { illegal_1(); op_c2(); } /* DB DD */
2315
OP(dd,c3) { illegal_1(); op_c3(); } /* DB DD */
2316
OP(dd,c4) { illegal_1(); op_c4(); } /* DB DD */
2317
OP(dd,c5) { illegal_1(); op_c5(); } /* DB DD */
2318
OP(dd,c6) { illegal_1(); op_c6(); } /* DB DD */
2319
OP(dd,c7) { illegal_1(); op_c7(); } /* DB DD */
2320
2321
OP(dd,c8) { illegal_1(); op_c8(); } /* DB DD */
2322
OP(dd,c9) { illegal_1(); op_c9(); } /* DB DD */
2323
OP(dd,ca) { illegal_1(); op_ca(); } /* DB DD */
2324
OP(dd,cb) { EAX; EXEC(xycb,ARG()); } /* **** DD CB xx */
2325
OP(dd,cc) { illegal_1(); op_cc(); } /* DB DD */
2326
OP(dd,cd) { illegal_1(); op_cd(); } /* DB DD */
2327
OP(dd,ce) { illegal_1(); op_ce(); } /* DB DD */
2328
OP(dd,cf) { illegal_1(); op_cf(); } /* DB DD */
2329
2330
OP(dd,d0) { illegal_1(); op_d0(); } /* DB DD */
2331
OP(dd,d1) { illegal_1(); op_d1(); } /* DB DD */
2332
OP(dd,d2) { illegal_1(); op_d2(); } /* DB DD */
2333
OP(dd,d3) { illegal_1(); op_d3(); } /* DB DD */
2334
OP(dd,d4) { illegal_1(); op_d4(); } /* DB DD */
2335
OP(dd,d5) { illegal_1(); op_d5(); } /* DB DD */
2336
OP(dd,d6) { illegal_1(); op_d6(); } /* DB DD */
2337
OP(dd,d7) { illegal_1(); op_d7(); } /* DB DD */
2338
2339
OP(dd,d8) { illegal_1(); op_d8(); } /* DB DD */
2340
OP(dd,d9) { illegal_1(); op_d9(); } /* DB DD */
2341
OP(dd,da) { illegal_1(); op_da(); } /* DB DD */
2342
OP(dd,db) { illegal_1(); op_db(); } /* DB DD */
2343
OP(dd,dc) { illegal_1(); op_dc(); } /* DB DD */
2344
OP(dd,dd) { EXEC(dd,ROP()); } /* **** DD DD xx */
2345
OP(dd,de) { illegal_1(); op_de(); } /* DB DD */
2346
OP(dd,df) { illegal_1(); op_df(); } /* DB DD */
2347
2348
OP(dd,e0) { illegal_1(); op_e0(); } /* DB DD */
2349
OP(dd,e1) { POP( ix ); } /* POP IX */
2350
OP(dd,e2) { illegal_1(); op_e2(); } /* DB DD */
2351
OP(dd,e3) { EXSP( ix ); } /* EX (SP),IX */
2352
OP(dd,e4) { illegal_1(); op_e4(); } /* DB DD */
2353
OP(dd,e5) { PUSH( ix ); } /* PUSH IX */
2354
OP(dd,e6) { illegal_1(); op_e6(); } /* DB DD */
2355
OP(dd,e7) { illegal_1(); op_e7(); } /* DB DD */
2356
2357
OP(dd,e8) { illegal_1(); op_e8(); } /* DB DD */
2358
OP(dd,e9) { PC = IX; } /* JP (IX) */
2359
OP(dd,ea) { illegal_1(); op_ea(); } /* DB DD */
2360
OP(dd,eb) { illegal_1(); op_eb(); } /* DB DD */
2361
OP(dd,ec) { illegal_1(); op_ec(); } /* DB DD */
2362
OP(dd,ed) { illegal_1(); op_ed(); } /* DB DD */
2363
OP(dd,ee) { illegal_1(); op_ee(); } /* DB DD */
2364
OP(dd,ef) { illegal_1(); op_ef(); } /* DB DD */
2365
2366
OP(dd,f0) { illegal_1(); op_f0(); } /* DB DD */
2367
OP(dd,f1) { illegal_1(); op_f1(); } /* DB DD */
2368
OP(dd,f2) { illegal_1(); op_f2(); } /* DB DD */
2369
OP(dd,f3) { illegal_1(); op_f3(); } /* DB DD */
2370
OP(dd,f4) { illegal_1(); op_f4(); } /* DB DD */
2371
OP(dd,f5) { illegal_1(); op_f5(); } /* DB DD */
2372
OP(dd,f6) { illegal_1(); op_f6(); } /* DB DD */
2373
OP(dd,f7) { illegal_1(); op_f7(); } /* DB DD */
2374
2375
OP(dd,f8) { illegal_1(); op_f8(); } /* DB DD */
2376
OP(dd,f9) { SP = IX; } /* LD SP,IX */
2377
OP(dd,fa) { illegal_1(); op_fa(); } /* DB DD */
2378
OP(dd,fb) { illegal_1(); op_fb(); } /* DB DD */
2379
OP(dd,fc) { illegal_1(); op_fc(); } /* DB DD */
2380
OP(dd,fd) { EXEC(fd,ROP()); } /* **** DD FD xx */
2381
OP(dd,fe) { illegal_1(); op_fe(); } /* DB DD */
2382
OP(dd,ff) { illegal_1(); op_ff(); } /* DB DD */
2383
2384
/**********************************************************
2385
* IY register related opcodes (FD prefix)
2386
**********************************************************/
2387
OP(fd,00) { illegal_1(); op_00(); } /* DB FD */
2388
OP(fd,01) { illegal_1(); op_01(); } /* DB FD */
2389
OP(fd,02) { illegal_1(); op_02(); } /* DB FD */
2390
OP(fd,03) { illegal_1(); op_03(); } /* DB FD */
2391
OP(fd,04) { illegal_1(); op_04(); } /* DB FD */
2392
OP(fd,05) { illegal_1(); op_05(); } /* DB FD */
2393
OP(fd,06) { illegal_1(); op_06(); } /* DB FD */
2394
OP(fd,07) { illegal_1(); op_07(); } /* DB FD */
2395
2396
OP(fd,08) { illegal_1(); op_08(); } /* DB FD */
2397
OP(fd,09) { ADD16(iy,bc); } /* ADD IY,BC */
2398
OP(fd,0a) { illegal_1(); op_0a(); } /* DB FD */
2399
OP(fd,0b) { illegal_1(); op_0b(); } /* DB FD */
2400
OP(fd,0c) { illegal_1(); op_0c(); } /* DB FD */
2401
OP(fd,0d) { illegal_1(); op_0d(); } /* DB FD */
2402
OP(fd,0e) { illegal_1(); op_0e(); } /* DB FD */
2403
OP(fd,0f) { illegal_1(); op_0f(); } /* DB FD */
2404
2405
OP(fd,10) { illegal_1(); op_10(); } /* DB FD */
2406
OP(fd,11) { illegal_1(); op_11(); } /* DB FD */
2407
OP(fd,12) { illegal_1(); op_12(); } /* DB FD */
2408
OP(fd,13) { illegal_1(); op_13(); } /* DB FD */
2409
OP(fd,14) { illegal_1(); op_14(); } /* DB FD */
2410
OP(fd,15) { illegal_1(); op_15(); } /* DB FD */
2411
OP(fd,16) { illegal_1(); op_16(); } /* DB FD */
2412
OP(fd,17) { illegal_1(); op_17(); } /* DB FD */
2413
2414
OP(fd,18) { illegal_1(); op_18(); } /* DB FD */
2415
OP(fd,19) { ADD16(iy,de); } /* ADD IY,DE */
2416
OP(fd,1a) { illegal_1(); op_1a(); } /* DB FD */
2417
OP(fd,1b) { illegal_1(); op_1b(); } /* DB FD */
2418
OP(fd,1c) { illegal_1(); op_1c(); } /* DB FD */
2419
OP(fd,1d) { illegal_1(); op_1d(); } /* DB FD */
2420
OP(fd,1e) { illegal_1(); op_1e(); } /* DB FD */
2421
OP(fd,1f) { illegal_1(); op_1f(); } /* DB FD */
2422
2423
OP(fd,20) { illegal_1(); op_20(); } /* DB FD */
2424
OP(fd,21) { IY = ARG16(); } /* LD IY,w */
2425
OP(fd,22) { EA = ARG16(); WM16( EA, &Z80.iy ); WZ = EA+1; } /* LD (w),IY */
2426
OP(fd,23) { IY++; } /* INC IY */
2427
OP(fd,24) { HY = INC(HY); } /* INC HY */
2428
OP(fd,25) { HY = DEC(HY); } /* DEC HY */
2429
OP(fd,26) { HY = ARG(); } /* LD HY,n */
2430
OP(fd,27) { illegal_1(); op_27(); } /* DB FD */
2431
2432
OP(fd,28) { illegal_1(); op_28(); } /* DB FD */
2433
OP(fd,29) { ADD16(iy,iy); } /* ADD IY,IY */
2434
OP(fd,2a) { EA = ARG16(); RM16( EA, &Z80.iy ); WZ = EA+1; } /* LD IY,(w) */
2435
OP(fd,2b) { IY--; } /* DEC IY */
2436
OP(fd,2c) { LY = INC(LY); } /* INC LY */
2437
OP(fd,2d) { LY = DEC(LY); } /* DEC LY */
2438
OP(fd,2e) { LY = ARG(); } /* LD LY,n */
2439
OP(fd,2f) { illegal_1(); op_2f(); } /* DB FD */
2440
2441
OP(fd,30) { illegal_1(); op_30(); } /* DB FD */
2442
OP(fd,31) { illegal_1(); op_31(); } /* DB FD */
2443
OP(fd,32) { illegal_1(); op_32(); } /* DB FD */
2444
OP(fd,33) { illegal_1(); op_33(); } /* DB FD */
2445
OP(fd,34) { EAY; WM( EA, INC(RM(EA)) ); } /* INC (IY+o) */
2446
OP(fd,35) { EAY; WM( EA, DEC(RM(EA)) ); } /* DEC (IY+o) */
2447
OP(fd,36) { EAY; WM( EA, ARG() ); } /* LD (IY+o),n */
2448
OP(fd,37) { illegal_1(); op_37(); } /* DB FD */
2449
2450
OP(fd,38) { illegal_1(); op_38(); } /* DB FD */
2451
OP(fd,39) { ADD16(iy,sp); } /* ADD IY,SP */
2452
OP(fd,3a) { illegal_1(); op_3a(); } /* DB FD */
2453
OP(fd,3b) { illegal_1(); op_3b(); } /* DB FD */
2454
OP(fd,3c) { illegal_1(); op_3c(); } /* DB FD */
2455
OP(fd,3d) { illegal_1(); op_3d(); } /* DB FD */
2456
OP(fd,3e) { illegal_1(); op_3e(); } /* DB FD */
2457
OP(fd,3f) { illegal_1(); op_3f(); } /* DB FD */
2458
2459
OP(fd,40) { illegal_1(); op_40(); } /* DB FD */
2460
OP(fd,41) { illegal_1(); op_41(); } /* DB FD */
2461
OP(fd,42) { illegal_1(); op_42(); } /* DB FD */
2462
OP(fd,43) { illegal_1(); op_43(); } /* DB FD */
2463
OP(fd,44) { B = HY; } /* LD B,HY */
2464
OP(fd,45) { B = LY; } /* LD B,LY */
2465
OP(fd,46) { EAY; B = RM(EA); } /* LD B,(IY+o) */
2466
OP(fd,47) { illegal_1(); op_47(); } /* DB FD */
2467
2468
OP(fd,48) { illegal_1(); op_48(); } /* DB FD */
2469
OP(fd,49) { illegal_1(); op_49(); } /* DB FD */
2470
OP(fd,4a) { illegal_1(); op_4a(); } /* DB FD */
2471
OP(fd,4b) { illegal_1(); op_4b(); } /* DB FD */
2472
OP(fd,4c) { C = HY; } /* LD C,HY */
2473
OP(fd,4d) { C = LY; } /* LD C,LY */
2474
OP(fd,4e) { EAY; C = RM(EA); } /* LD C,(IY+o) */
2475
OP(fd,4f) { illegal_1(); op_4f(); } /* DB FD */
2476
2477
OP(fd,50) { illegal_1(); op_50(); } /* DB FD */
2478
OP(fd,51) { illegal_1(); op_51(); } /* DB FD */
2479
OP(fd,52) { illegal_1(); op_52(); } /* DB FD */
2480
OP(fd,53) { illegal_1(); op_53(); } /* DB FD */
2481
OP(fd,54) { D = HY; } /* LD D,HY */
2482
OP(fd,55) { D = LY; } /* LD D,LY */
2483
OP(fd,56) { EAY; D = RM(EA); } /* LD D,(IY+o) */
2484
OP(fd,57) { illegal_1(); op_57(); } /* DB FD */
2485
2486
OP(fd,58) { illegal_1(); op_58(); } /* DB FD */
2487
OP(fd,59) { illegal_1(); op_59(); } /* DB FD */
2488
OP(fd,5a) { illegal_1(); op_5a(); } /* DB FD */
2489
OP(fd,5b) { illegal_1(); op_5b(); } /* DB FD */
2490
OP(fd,5c) { E = HY; } /* LD E,HY */
2491
OP(fd,5d) { E = LY; } /* LD E,LY */
2492
OP(fd,5e) { EAY; E = RM(EA); } /* LD E,(IY+o) */
2493
OP(fd,5f) { illegal_1(); op_5f(); } /* DB FD */
2494
2495
OP(fd,60) { HY = B; } /* LD HY,B */
2496
OP(fd,61) { HY = C; } /* LD HY,C */
2497
OP(fd,62) { HY = D; } /* LD HY,D */
2498
OP(fd,63) { HY = E; } /* LD HY,E */
2499
OP(fd,64) { } /* LD HY,HY */
2500
OP(fd,65) { HY = LY; } /* LD HY,LY */
2501
OP(fd,66) { EAY; H = RM(EA); } /* LD H,(IY+o) */
2502
OP(fd,67) { HY = A; } /* LD HY,A */
2503
2504
OP(fd,68) { LY = B; } /* LD LY,B */
2505
OP(fd,69) { LY = C; } /* LD LY,C */
2506
OP(fd,6a) { LY = D; } /* LD LY,D */
2507
OP(fd,6b) { LY = E; } /* LD LY,E */
2508
OP(fd,6c) { LY = HY; } /* LD LY,HY */
2509
OP(fd,6d) { } /* LD LY,LY */
2510
OP(fd,6e) { EAY; L = RM(EA); } /* LD L,(IY+o) */
2511
OP(fd,6f) { LY = A; } /* LD LY,A */
2512
2513
OP(fd,70) { EAY; WM( EA, B ); } /* LD (IY+o),B */
2514
OP(fd,71) { EAY; WM( EA, C ); } /* LD (IY+o),C */
2515
OP(fd,72) { EAY; WM( EA, D ); } /* LD (IY+o),D */
2516
OP(fd,73) { EAY; WM( EA, E ); } /* LD (IY+o),E */
2517
OP(fd,74) { EAY; WM( EA, H ); } /* LD (IY+o),H */
2518
OP(fd,75) { EAY; WM( EA, L ); } /* LD (IY+o),L */
2519
OP(fd,76) { illegal_1(); op_76(); } /* DB FD */
2520
OP(fd,77) { EAY; WM( EA, A ); } /* LD (IY+o),A */
2521
2522
OP(fd,78) { illegal_1(); op_78(); } /* DB FD */
2523
OP(fd,79) { illegal_1(); op_79(); } /* DB FD */
2524
OP(fd,7a) { illegal_1(); op_7a(); } /* DB FD */
2525
OP(fd,7b) { illegal_1(); op_7b(); } /* DB FD */
2526
OP(fd,7c) { A = HY; } /* LD A,HY */
2527
OP(fd,7d) { A = LY; } /* LD A,LY */
2528
OP(fd,7e) { EAY; A = RM(EA); } /* LD A,(IY+o) */
2529
OP(fd,7f) { illegal_1(); op_7f(); } /* DB FD */
2530
2531
OP(fd,80) { illegal_1(); op_80(); } /* DB FD */
2532
OP(fd,81) { illegal_1(); op_81(); } /* DB FD */
2533
OP(fd,82) { illegal_1(); op_82(); } /* DB FD */
2534
OP(fd,83) { illegal_1(); op_83(); } /* DB FD */
2535
OP(fd,84) { ADD(HY); } /* ADD A,HY */
2536
OP(fd,85) { ADD(LY); } /* ADD A,LY */
2537
OP(fd,86) { EAY; ADD(RM(EA)); } /* ADD A,(IY+o) */
2538
OP(fd,87) { illegal_1(); op_87(); } /* DB FD */
2539
2540
OP(fd,88) { illegal_1(); op_88(); } /* DB FD */
2541
OP(fd,89) { illegal_1(); op_89(); } /* DB FD */
2542
OP(fd,8a) { illegal_1(); op_8a(); } /* DB FD */
2543
OP(fd,8b) { illegal_1(); op_8b(); } /* DB FD */
2544
OP(fd,8c) { ADC(HY); } /* ADC A,HY */
2545
OP(fd,8d) { ADC(LY); } /* ADC A,LY */
2546
OP(fd,8e) { EAY; ADC(RM(EA)); } /* ADC A,(IY+o) */
2547
OP(fd,8f) { illegal_1(); op_8f(); } /* DB FD */
2548
2549
OP(fd,90) { illegal_1(); op_90(); } /* DB FD */
2550
OP(fd,91) { illegal_1(); op_91(); } /* DB FD */
2551
OP(fd,92) { illegal_1(); op_92(); } /* DB FD */
2552
OP(fd,93) { illegal_1(); op_93(); } /* DB FD */
2553
OP(fd,94) { SUB(HY); } /* SUB HY */
2554
OP(fd,95) { SUB(LY); } /* SUB LY */
2555
OP(fd,96) { EAY; SUB(RM(EA)); } /* SUB (IY+o) */
2556
OP(fd,97) { illegal_1(); op_97(); } /* DB FD */
2557
2558
OP(fd,98) { illegal_1(); op_98(); } /* DB FD */
2559
OP(fd,99) { illegal_1(); op_99(); } /* DB FD */
2560
OP(fd,9a) { illegal_1(); op_9a(); } /* DB FD */
2561
OP(fd,9b) { illegal_1(); op_9b(); } /* DB FD */
2562
OP(fd,9c) { SBC(HY); } /* SBC A,HY */
2563
OP(fd,9d) { SBC(LY); } /* SBC A,LY */
2564
OP(fd,9e) { EAY; SBC(RM(EA)); } /* SBC A,(IY+o) */
2565
OP(fd,9f) { illegal_1(); op_9f(); } /* DB FD */
2566
2567
OP(fd,a0) { illegal_1(); op_a0(); } /* DB FD */
2568
OP(fd,a1) { illegal_1(); op_a1(); } /* DB FD */
2569
OP(fd,a2) { illegal_1(); op_a2(); } /* DB FD */
2570
OP(fd,a3) { illegal_1(); op_a3(); } /* DB FD */
2571
OP(fd,a4) { AND(HY); } /* AND HY */
2572
OP(fd,a5) { AND(LY); } /* AND LY */
2573
OP(fd,a6) { EAY; AND(RM(EA)); } /* AND (IY+o) */
2574
OP(fd,a7) { illegal_1(); op_a7(); } /* DB FD */
2575
2576
OP(fd,a8) { illegal_1(); op_a8(); } /* DB FD */
2577
OP(fd,a9) { illegal_1(); op_a9(); } /* DB FD */
2578
OP(fd,aa) { illegal_1(); op_aa(); } /* DB FD */
2579
OP(fd,ab) { illegal_1(); op_ab(); } /* DB FD */
2580
OP(fd,ac) { XOR(HY); } /* XOR HY */
2581
OP(fd,ad) { XOR(LY); } /* XOR LY */
2582
OP(fd,ae) { EAY; XOR(RM(EA)); } /* XOR (IY+o) */
2583
OP(fd,af) { illegal_1(); op_af(); } /* DB FD */
2584
2585
OP(fd,b0) { illegal_1(); op_b0(); } /* DB FD */
2586
OP(fd,b1) { illegal_1(); op_b1(); } /* DB FD */
2587
OP(fd,b2) { illegal_1(); op_b2(); } /* DB FD */
2588
OP(fd,b3) { illegal_1(); op_b3(); } /* DB FD */
2589
OP(fd,b4) { OR(HY); } /* OR HY */
2590
OP(fd,b5) { OR(LY); } /* OR LY */
2591
OP(fd,b6) { EAY; OR(RM(EA)); } /* OR (IY+o) */
2592
OP(fd,b7) { illegal_1(); op_b7(); } /* DB FD */
2593
2594
OP(fd,b8) { illegal_1(); op_b8(); } /* DB FD */
2595
OP(fd,b9) { illegal_1(); op_b9(); } /* DB FD */
2596
OP(fd,ba) { illegal_1(); op_ba(); } /* DB FD */
2597
OP(fd,bb) { illegal_1(); op_bb(); } /* DB FD */
2598
OP(fd,bc) { CP(HY); } /* CP HY */
2599
OP(fd,bd) { CP(LY); } /* CP LY */
2600
OP(fd,be) { EAY; CP(RM(EA)); } /* CP (IY+o) */
2601
OP(fd,bf) { illegal_1(); op_bf(); } /* DB FD */
2602
2603
OP(fd,c0) { illegal_1(); op_c0(); } /* DB FD */
2604
OP(fd,c1) { illegal_1(); op_c1(); } /* DB FD */
2605
OP(fd,c2) { illegal_1(); op_c2(); } /* DB FD */
2606
OP(fd,c3) { illegal_1(); op_c3(); } /* DB FD */
2607
OP(fd,c4) { illegal_1(); op_c4(); } /* DB FD */
2608
OP(fd,c5) { illegal_1(); op_c5(); } /* DB FD */
2609
OP(fd,c6) { illegal_1(); op_c6(); } /* DB FD */
2610
OP(fd,c7) { illegal_1(); op_c7(); } /* DB FD */
2611
2612
OP(fd,c8) { illegal_1(); op_c8(); } /* DB FD */
2613
OP(fd,c9) { illegal_1(); op_c9(); } /* DB FD */
2614
OP(fd,ca) { illegal_1(); op_ca(); } /* DB FD */
2615
OP(fd,cb) { EAY; EXEC(xycb,ARG()); } /* **** FD CB xx */
2616
OP(fd,cc) { illegal_1(); op_cc(); } /* DB FD */
2617
OP(fd,cd) { illegal_1(); op_cd(); } /* DB FD */
2618
OP(fd,ce) { illegal_1(); op_ce(); } /* DB FD */
2619
OP(fd,cf) { illegal_1(); op_cf(); } /* DB FD */
2620
2621
OP(fd,d0) { illegal_1(); op_d0(); } /* DB FD */
2622
OP(fd,d1) { illegal_1(); op_d1(); } /* DB FD */
2623
OP(fd,d2) { illegal_1(); op_d2(); } /* DB FD */
2624
OP(fd,d3) { illegal_1(); op_d3(); } /* DB FD */
2625
OP(fd,d4) { illegal_1(); op_d4(); } /* DB FD */
2626
OP(fd,d5) { illegal_1(); op_d5(); } /* DB FD */
2627
OP(fd,d6) { illegal_1(); op_d6(); } /* DB FD */
2628
OP(fd,d7) { illegal_1(); op_d7(); } /* DB FD */
2629
2630
OP(fd,d8) { illegal_1(); op_d8(); } /* DB FD */
2631
OP(fd,d9) { illegal_1(); op_d9(); } /* DB FD */
2632
OP(fd,da) { illegal_1(); op_da(); } /* DB FD */
2633
OP(fd,db) { illegal_1(); op_db(); } /* DB FD */
2634
OP(fd,dc) { illegal_1(); op_dc(); } /* DB FD */
2635
OP(fd,dd) { EXEC(dd,ROP()); } /* **** FD DD xx */
2636
OP(fd,de) { illegal_1(); op_de(); } /* DB FD */
2637
OP(fd,df) { illegal_1(); op_df(); } /* DB FD */
2638
2639
OP(fd,e0) { illegal_1(); op_e0(); } /* DB FD */
2640
OP(fd,e1) { POP( iy ); } /* POP IY */
2641
OP(fd,e2) { illegal_1(); op_e2(); } /* DB FD */
2642
OP(fd,e3) { EXSP( iy ); } /* EX (SP),IY */
2643
OP(fd,e4) { illegal_1(); op_e4(); } /* DB FD */
2644
OP(fd,e5) { PUSH( iy ); } /* PUSH IY */
2645
OP(fd,e6) { illegal_1(); op_e6(); } /* DB FD */
2646
OP(fd,e7) { illegal_1(); op_e7(); } /* DB FD */
2647
2648
OP(fd,e8) { illegal_1(); op_e8(); } /* DB FD */
2649
OP(fd,e9) { PC = IY; } /* JP (IY) */
2650
OP(fd,ea) { illegal_1(); op_ea(); } /* DB FD */
2651
OP(fd,eb) { illegal_1(); op_eb(); } /* DB FD */
2652
OP(fd,ec) { illegal_1(); op_ec(); } /* DB FD */
2653
OP(fd,ed) { illegal_1(); op_ed(); } /* DB FD */
2654
OP(fd,ee) { illegal_1(); op_ee(); } /* DB FD */
2655
OP(fd,ef) { illegal_1(); op_ef(); } /* DB FD */
2656
2657
OP(fd,f0) { illegal_1(); op_f0(); } /* DB FD */
2658
OP(fd,f1) { illegal_1(); op_f1(); } /* DB FD */
2659
OP(fd,f2) { illegal_1(); op_f2(); } /* DB FD */
2660
OP(fd,f3) { illegal_1(); op_f3(); } /* DB FD */
2661
OP(fd,f4) { illegal_1(); op_f4(); } /* DB FD */
2662
OP(fd,f5) { illegal_1(); op_f5(); } /* DB FD */
2663
OP(fd,f6) { illegal_1(); op_f6(); } /* DB FD */
2664
OP(fd,f7) { illegal_1(); op_f7(); } /* DB FD */
2665
2666
OP(fd,f8) { illegal_1(); op_f8(); } /* DB FD */
2667
OP(fd,f9) { SP = IY; } /* LD SP,IY */
2668
OP(fd,fa) { illegal_1(); op_fa(); } /* DB FD */
2669
OP(fd,fb) { illegal_1(); op_fb(); } /* DB FD */
2670
OP(fd,fc) { illegal_1(); op_fc(); } /* DB FD */
2671
OP(fd,fd) { EXEC(fd,ROP()); } /* **** FD FD xx */
2672
OP(fd,fe) { illegal_1(); op_fe(); } /* DB FD */
2673
OP(fd,ff) { illegal_1(); op_ff(); } /* DB FD */
2674
2675
OP(illegal,2)
2676
{
2677
#if VERBOSE
2678
logerror("Z80 #%d ill. opcode $ed $%02x\n",
2679
cpu_getactivecpu(), cpu_readop((PCD-1)&0xffff));
2680
#endif
2681
}
2682
2683
/**********************************************************
2684
* special opcodes (ED prefix)
2685
**********************************************************/
2686
OP(ed,00) { illegal_2(); } /* DB ED */
2687
OP(ed,01) { illegal_2(); } /* DB ED */
2688
OP(ed,02) { illegal_2(); } /* DB ED */
2689
OP(ed,03) { illegal_2(); } /* DB ED */
2690
OP(ed,04) { illegal_2(); } /* DB ED */
2691
OP(ed,05) { illegal_2(); } /* DB ED */
2692
OP(ed,06) { illegal_2(); } /* DB ED */
2693
OP(ed,07) { illegal_2(); } /* DB ED */
2694
2695
OP(ed,08) { illegal_2(); } /* DB ED */
2696
OP(ed,09) { illegal_2(); } /* DB ED */
2697
OP(ed,0a) { illegal_2(); } /* DB ED */
2698
OP(ed,0b) { illegal_2(); } /* DB ED */
2699
OP(ed,0c) { illegal_2(); } /* DB ED */
2700
OP(ed,0d) { illegal_2(); } /* DB ED */
2701
OP(ed,0e) { illegal_2(); } /* DB ED */
2702
OP(ed,0f) { illegal_2(); } /* DB ED */
2703
2704
OP(ed,10) { illegal_2(); } /* DB ED */
2705
OP(ed,11) { illegal_2(); } /* DB ED */
2706
OP(ed,12) { illegal_2(); } /* DB ED */
2707
OP(ed,13) { illegal_2(); } /* DB ED */
2708
OP(ed,14) { illegal_2(); } /* DB ED */
2709
OP(ed,15) { illegal_2(); } /* DB ED */
2710
OP(ed,16) { illegal_2(); } /* DB ED */
2711
OP(ed,17) { illegal_2(); } /* DB ED */
2712
2713
OP(ed,18) { illegal_2(); } /* DB ED */
2714
OP(ed,19) { illegal_2(); } /* DB ED */
2715
OP(ed,1a) { illegal_2(); } /* DB ED */
2716
OP(ed,1b) { illegal_2(); } /* DB ED */
2717
OP(ed,1c) { illegal_2(); } /* DB ED */
2718
OP(ed,1d) { illegal_2(); } /* DB ED */
2719
OP(ed,1e) { illegal_2(); } /* DB ED */
2720
OP(ed,1f) { illegal_2(); } /* DB ED */
2721
2722
OP(ed,20) { illegal_2(); } /* DB ED */
2723
OP(ed,21) { illegal_2(); } /* DB ED */
2724
OP(ed,22) { illegal_2(); } /* DB ED */
2725
OP(ed,23) { illegal_2(); } /* DB ED */
2726
OP(ed,24) { illegal_2(); } /* DB ED */
2727
OP(ed,25) { illegal_2(); } /* DB ED */
2728
OP(ed,26) { illegal_2(); } /* DB ED */
2729
OP(ed,27) { illegal_2(); } /* DB ED */
2730
2731
OP(ed,28) { illegal_2(); } /* DB ED */
2732
OP(ed,29) { illegal_2(); } /* DB ED */
2733
OP(ed,2a) { illegal_2(); } /* DB ED */
2734
OP(ed,2b) { illegal_2(); } /* DB ED */
2735
OP(ed,2c) { illegal_2(); } /* DB ED */
2736
OP(ed,2d) { illegal_2(); } /* DB ED */
2737
OP(ed,2e) { illegal_2(); } /* DB ED */
2738
OP(ed,2f) { illegal_2(); } /* DB ED */
2739
2740
OP(ed,30) { illegal_2(); } /* DB ED */
2741
OP(ed,31) { illegal_2(); } /* DB ED */
2742
OP(ed,32) { illegal_2(); } /* DB ED */
2743
OP(ed,33) { illegal_2(); } /* DB ED */
2744
OP(ed,34) { illegal_2(); } /* DB ED */
2745
OP(ed,35) { illegal_2(); } /* DB ED */
2746
OP(ed,36) { illegal_2(); } /* DB ED */
2747
OP(ed,37) { illegal_2(); } /* DB ED */
2748
2749
OP(ed,38) { illegal_2(); } /* DB ED */
2750
OP(ed,39) { illegal_2(); } /* DB ED */
2751
OP(ed,3a) { illegal_2(); } /* DB ED */
2752
OP(ed,3b) { illegal_2(); } /* DB ED */
2753
OP(ed,3c) { illegal_2(); } /* DB ED */
2754
OP(ed,3d) { illegal_2(); } /* DB ED */
2755
OP(ed,3e) { illegal_2(); } /* DB ED */
2756
OP(ed,3f) { illegal_2(); } /* DB ED */
2757
2758
OP(ed,40) { B = IN(BC); F = (F & CF) | SZP[B]; } /* IN B,(C) */
2759
OP(ed,41) { OUT(BC, B); } /* OUT (C),B */
2760
OP(ed,42) { SBC16( bc ); } /* SBC HL,BC */
2761
OP(ed,43) { EA = ARG16(); WM16( EA, &Z80.bc ); WZ = EA+1; } /* LD (w),BC */
2762
OP(ed,44) { NEG; } /* NEG */
2763
OP(ed,45) { RETN; } /* RETN; */
2764
OP(ed,46) { IM = 0; } /* IM 0 */
2765
OP(ed,47) { LD_I_A; } /* LD I,A */
2766
2767
OP(ed,48) { C = IN(BC); F = (F & CF) | SZP[C]; } /* IN C,(C) */
2768
OP(ed,49) { OUT(BC, C); } /* OUT (C),C */
2769
OP(ed,4a) { ADC16( bc ); } /* ADC HL,BC */
2770
OP(ed,4b) { EA = ARG16(); RM16( EA, &Z80.bc ); WZ = EA+1; } /* LD BC,(w) */
2771
OP(ed,4c) { NEG; } /* NEG */
2772
OP(ed,4d) { RETI; } /* RETI */
2773
OP(ed,4e) { IM = 0; } /* IM 0 */
2774
OP(ed,4f) { LD_R_A; } /* LD R,A */
2775
2776
OP(ed,50) { D = IN(BC); F = (F & CF) | SZP[D]; } /* IN D,(C) */
2777
OP(ed,51) { OUT(BC, D); } /* OUT (C),D */
2778
OP(ed,52) { SBC16( de ); } /* SBC HL,DE */
2779
OP(ed,53) { EA = ARG16(); WM16( EA, &Z80.de ); WZ = EA+1; } /* LD (w),DE */
2780
OP(ed,54) { NEG; } /* NEG */
2781
OP(ed,55) { RETN; } /* RETN; */
2782
OP(ed,56) { IM = 1; } /* IM 1 */
2783
OP(ed,57) { LD_A_I; } /* LD A,I */
2784
2785
OP(ed,58) { E = IN(BC); F = (F & CF) | SZP[E]; } /* IN E,(C) */
2786
OP(ed,59) { OUT(BC, E); } /* OUT (C),E */
2787
OP(ed,5a) { ADC16( de ); } /* ADC HL,DE */
2788
OP(ed,5b) { EA = ARG16(); RM16( EA, &Z80.de ); WZ = EA+1; } /* LD DE,(w) */
2789
OP(ed,5c) { NEG; } /* NEG */
2790
OP(ed,5d) { RETI; } /* RETI */
2791
OP(ed,5e) { IM = 2; } /* IM 2 */
2792
OP(ed,5f) { LD_A_R; } /* LD A,R */
2793
2794
OP(ed,60) { H = IN(BC); F = (F & CF) | SZP[H]; } /* IN H,(C) */
2795
OP(ed,61) { OUT(BC, H); } /* OUT (C),H */
2796
OP(ed,62) { SBC16( hl ); } /* SBC HL,HL */
2797
OP(ed,63) { EA = ARG16(); WM16( EA, &Z80.hl ); WZ = EA+1; } /* LD (w),HL */
2798
OP(ed,64) { NEG; } /* NEG */
2799
OP(ed,65) { RETN; } /* RETN; */
2800
OP(ed,66) { IM = 0; } /* IM 0 */
2801
OP(ed,67) { RRD; } /* RRD (HL) */
2802
2803
OP(ed,68) { L = IN(BC); F = (F & CF) | SZP[L]; } /* IN L,(C) */
2804
OP(ed,69) { OUT(BC, L); } /* OUT (C),L */
2805
OP(ed,6a) { ADC16( hl ); } /* ADC HL,HL */
2806
OP(ed,6b) { EA = ARG16(); RM16( EA, &Z80.hl ); WZ = EA+1; } /* LD HL,(w) */
2807
OP(ed,6c) { NEG; } /* NEG */
2808
OP(ed,6d) { RETI; } /* RETI */
2809
OP(ed,6e) { IM = 0; } /* IM 0 */
2810
OP(ed,6f) { RLD; } /* RLD (HL) */
2811
2812
OP(ed,70) { UINT8 res = IN(BC); F = (F & CF) | SZP[res]; } /* IN 0,(C) */
2813
OP(ed,71) { OUT(BC, 0); } /* OUT (C),0 */
2814
OP(ed,72) { SBC16( sp ); } /* SBC HL,SP */
2815
OP(ed,73) { EA = ARG16(); WM16( EA, &Z80.sp ); WZ = EA+1; } /* LD (w),SP */
2816
OP(ed,74) { NEG; } /* NEG */
2817
OP(ed,75) { RETN; } /* RETN; */
2818
OP(ed,76) { IM = 1; } /* IM 1 */
2819
OP(ed,77) { illegal_2(); } /* DB ED,77 */
2820
2821
OP(ed,78) { A = IN(BC); F = (F & CF) | SZP[A]; WZ = BC+1; } /* IN E,(C) */
2822
OP(ed,79) { OUT(BC, A); WZ = BC + 1; } /* OUT (C),A */
2823
OP(ed,7a) { ADC16( sp ); } /* ADC HL,SP */
2824
OP(ed,7b) { EA = ARG16(); RM16( EA, &Z80.sp ); WZ = EA+1; } /* LD SP,(w) */
2825
OP(ed,7c) { NEG; } /* NEG */
2826
OP(ed,7d) { RETI; } /* RETI */
2827
OP(ed,7e) { IM = 2; } /* IM 2 */
2828
OP(ed,7f) { illegal_2(); } /* DB ED,7F */
2829
2830
OP(ed,80) { illegal_2(); } /* DB ED */
2831
OP(ed,81) { illegal_2(); } /* DB ED */
2832
OP(ed,82) { illegal_2(); } /* DB ED */
2833
OP(ed,83) { illegal_2(); } /* DB ED */
2834
OP(ed,84) { illegal_2(); } /* DB ED */
2835
OP(ed,85) { illegal_2(); } /* DB ED */
2836
OP(ed,86) { illegal_2(); } /* DB ED */
2837
OP(ed,87) { illegal_2(); } /* DB ED */
2838
2839
OP(ed,88) { illegal_2(); } /* DB ED */
2840
OP(ed,89) { illegal_2(); } /* DB ED */
2841
OP(ed,8a) { illegal_2(); } /* DB ED */
2842
OP(ed,8b) { illegal_2(); } /* DB ED */
2843
OP(ed,8c) { illegal_2(); } /* DB ED */
2844
OP(ed,8d) { illegal_2(); } /* DB ED */
2845
OP(ed,8e) { illegal_2(); } /* DB ED */
2846
OP(ed,8f) { illegal_2(); } /* DB ED */
2847
2848
OP(ed,90) { illegal_2(); } /* DB ED */
2849
OP(ed,91) { illegal_2(); } /* DB ED */
2850
OP(ed,92) { illegal_2(); } /* DB ED */
2851
OP(ed,93) { illegal_2(); } /* DB ED */
2852
OP(ed,94) { illegal_2(); } /* DB ED */
2853
OP(ed,95) { illegal_2(); } /* DB ED */
2854
OP(ed,96) { illegal_2(); } /* DB ED */
2855
OP(ed,97) { illegal_2(); } /* DB ED */
2856
2857
OP(ed,98) { illegal_2(); } /* DB ED */
2858
OP(ed,99) { illegal_2(); } /* DB ED */
2859
OP(ed,9a) { illegal_2(); } /* DB ED */
2860
OP(ed,9b) { illegal_2(); } /* DB ED */
2861
OP(ed,9c) { illegal_2(); } /* DB ED */
2862
OP(ed,9d) { illegal_2(); } /* DB ED */
2863
OP(ed,9e) { illegal_2(); } /* DB ED */
2864
OP(ed,9f) { illegal_2(); } /* DB ED */
2865
2866
OP(ed,a0) { LDI; } /* LDI */
2867
OP(ed,a1) { CPI; } /* CPI */
2868
OP(ed,a2) { INI; } /* INI */
2869
OP(ed,a3) { OUTI; } /* OUTI */
2870
OP(ed,a4) { illegal_2(); } /* DB ED */
2871
OP(ed,a5) { illegal_2(); } /* DB ED */
2872
OP(ed,a6) { illegal_2(); } /* DB ED */
2873
OP(ed,a7) { illegal_2(); } /* DB ED */
2874
2875
OP(ed,a8) { LDD; } /* LDD */
2876
OP(ed,a9) { CPD; } /* CPD */
2877
OP(ed,aa) { IND; } /* IND */
2878
OP(ed,ab) { OUTD; } /* OUTD */
2879
OP(ed,ac) { illegal_2(); } /* DB ED */
2880
OP(ed,ad) { illegal_2(); } /* DB ED */
2881
OP(ed,ae) { illegal_2(); } /* DB ED */
2882
OP(ed,af) { illegal_2(); } /* DB ED */
2883
2884
OP(ed,b0) { LDIR; } /* LDIR */
2885
OP(ed,b1) { CPIR; } /* CPIR */
2886
OP(ed,b2) { INIR; } /* INIR */
2887
OP(ed,b3) { OTIR; } /* OTIR */
2888
OP(ed,b4) { illegal_2(); } /* DB ED */
2889
OP(ed,b5) { illegal_2(); } /* DB ED */
2890
OP(ed,b6) { illegal_2(); } /* DB ED */
2891
OP(ed,b7) { illegal_2(); } /* DB ED */
2892
2893
OP(ed,b8) { LDDR; } /* LDDR */
2894
OP(ed,b9) { CPDR; } /* CPDR */
2895
OP(ed,ba) { INDR; } /* INDR */
2896
OP(ed,bb) { OTDR; } /* OTDR */
2897
OP(ed,bc) { illegal_2(); } /* DB ED */
2898
OP(ed,bd) { illegal_2(); } /* DB ED */
2899
OP(ed,be) { illegal_2(); } /* DB ED */
2900
OP(ed,bf) { illegal_2(); } /* DB ED */
2901
2902
OP(ed,c0) { illegal_2(); } /* DB ED */
2903
OP(ed,c1) { illegal_2(); } /* DB ED */
2904
OP(ed,c2) { illegal_2(); } /* DB ED */
2905
OP(ed,c3) { illegal_2(); } /* DB ED */
2906
OP(ed,c4) { illegal_2(); } /* DB ED */
2907
OP(ed,c5) { illegal_2(); } /* DB ED */
2908
OP(ed,c6) { illegal_2(); } /* DB ED */
2909
OP(ed,c7) { illegal_2(); } /* DB ED */
2910
2911
OP(ed,c8) { illegal_2(); } /* DB ED */
2912
OP(ed,c9) { illegal_2(); } /* DB ED */
2913
OP(ed,ca) { illegal_2(); } /* DB ED */
2914
OP(ed,cb) { illegal_2(); } /* DB ED */
2915
OP(ed,cc) { illegal_2(); } /* DB ED */
2916
OP(ed,cd) { illegal_2(); } /* DB ED */
2917
OP(ed,ce) { illegal_2(); } /* DB ED */
2918
OP(ed,cf) { illegal_2(); } /* DB ED */
2919
2920
OP(ed,d0) { illegal_2(); } /* DB ED */
2921
OP(ed,d1) { illegal_2(); } /* DB ED */
2922
OP(ed,d2) { illegal_2(); } /* DB ED */
2923
OP(ed,d3) { illegal_2(); } /* DB ED */
2924
OP(ed,d4) { illegal_2(); } /* DB ED */
2925
OP(ed,d5) { illegal_2(); } /* DB ED */
2926
OP(ed,d6) { illegal_2(); } /* DB ED */
2927
OP(ed,d7) { illegal_2(); } /* DB ED */
2928
2929
OP(ed,d8) { illegal_2(); } /* DB ED */
2930
OP(ed,d9) { illegal_2(); } /* DB ED */
2931
OP(ed,da) { illegal_2(); } /* DB ED */
2932
OP(ed,db) { illegal_2(); } /* DB ED */
2933
OP(ed,dc) { illegal_2(); } /* DB ED */
2934
OP(ed,dd) { illegal_2(); } /* DB ED */
2935
OP(ed,de) { illegal_2(); } /* DB ED */
2936
OP(ed,df) { illegal_2(); } /* DB ED */
2937
2938
OP(ed,e0) { illegal_2(); } /* DB ED */
2939
OP(ed,e1) { illegal_2(); } /* DB ED */
2940
OP(ed,e2) { illegal_2(); } /* DB ED */
2941
OP(ed,e3) { illegal_2(); } /* DB ED */
2942
OP(ed,e4) { illegal_2(); } /* DB ED */
2943
OP(ed,e5) { illegal_2(); } /* DB ED */
2944
OP(ed,e6) { illegal_2(); } /* DB ED */
2945
OP(ed,e7) { illegal_2(); } /* DB ED */
2946
2947
OP(ed,e8) { illegal_2(); } /* DB ED */
2948
OP(ed,e9) { illegal_2(); } /* DB ED */
2949
OP(ed,ea) { illegal_2(); } /* DB ED */
2950
OP(ed,eb) { illegal_2(); } /* DB ED */
2951
OP(ed,ec) { illegal_2(); } /* DB ED */
2952
OP(ed,ed) { illegal_2(); } /* DB ED */
2953
OP(ed,ee) { illegal_2(); } /* DB ED */
2954
OP(ed,ef) { illegal_2(); } /* DB ED */
2955
2956
OP(ed,f0) { illegal_2(); } /* DB ED */
2957
OP(ed,f1) { illegal_2(); } /* DB ED */
2958
OP(ed,f2) { illegal_2(); } /* DB ED */
2959
OP(ed,f3) { illegal_2(); } /* DB ED */
2960
OP(ed,f4) { illegal_2(); } /* DB ED */
2961
OP(ed,f5) { illegal_2(); } /* DB ED */
2962
OP(ed,f6) { illegal_2(); } /* DB ED */
2963
OP(ed,f7) { illegal_2(); } /* DB ED */
2964
2965
OP(ed,f8) { illegal_2(); } /* DB ED */
2966
OP(ed,f9) { illegal_2(); } /* DB ED */
2967
OP(ed,fa) { illegal_2(); } /* DB ED */
2968
OP(ed,fb) { illegal_2(); } /* DB ED */
2969
OP(ed,fc) { illegal_2(); } /* DB ED */
2970
OP(ed,fd) { illegal_2(); } /* DB ED */
2971
OP(ed,fe) { illegal_2(); } /* DB ED */
2972
OP(ed,ff) { illegal_2(); } /* DB ED */
2973
2974
2975
/**********************************************************
2976
* main opcodes
2977
**********************************************************/
2978
OP(op,00) { } /* NOP */
2979
OP(op,01) { BC = ARG16(); } /* LD BC,w */
2980
OP(op,02) { WM( BC, A ); WZ_L = (BC + 1) & 0xFF; WZ_H = A; } /* LD (BC),A */
2981
OP(op,03) { BC++; } /* INC BC */
2982
OP(op,04) { B = INC(B); } /* INC B */
2983
OP(op,05) { B = DEC(B); } /* DEC B */
2984
OP(op,06) { B = ARG(); } /* LD B,n */
2985
OP(op,07) { RLCA; } /* RLCA */
2986
2987
OP(op,08) { EX_AF; } /* EX AF,AF' */
2988
OP(op,09) { ADD16(hl, bc); } /* ADD HL,BC */
2989
OP(op,0a) { A = RM( BC ); WZ=BC+1; } /* LD A,(BC) */
2990
OP(op,0b) { BC--; } /* DEC BC */
2991
OP(op,0c) { C = INC(C); } /* INC C */
2992
OP(op,0d) { C = DEC(C); } /* DEC C */
2993
OP(op,0e) { C = ARG(); } /* LD C,n */
2994
OP(op,0f) { RRCA; } /* RRCA */
2995
2996
OP(op,10) { B--; JR_COND( B, 0x10 ); } /* DJNZ o */
2997
OP(op,11) { DE = ARG16(); } /* LD DE,w */
2998
OP(op,12) { WM( DE, A ); WZ_L = (DE + 1) & 0xFF; WZ_H = A; } /* LD (DE),A */
2999
OP(op,13) { DE++; } /* INC DE */
3000
OP(op,14) { D = INC(D); } /* INC D */
3001
OP(op,15) { D = DEC(D); } /* DEC D */
3002
OP(op,16) { D = ARG(); } /* LD D,n */
3003
OP(op,17) { RLA; } /* RLA */
3004
3005
OP(op,18) { JR(); } /* JR o */
3006
OP(op,19) { ADD16(hl, de); } /* ADD HL,DE */
3007
OP(op,1a) { A = RM( DE ); WZ=DE+1; } /* LD A,(DE) */
3008
OP(op,1b) { DE--; } /* DEC DE */
3009
OP(op,1c) { E = INC(E); } /* INC E */
3010
OP(op,1d) { E = DEC(E); } /* DEC E */
3011
OP(op,1e) { E = ARG(); } /* LD E,n */
3012
OP(op,1f) { RRA; } /* RRA */
3013
3014
OP(op,20) { JR_COND( !(F & ZF), 0x20 ); } /* JR NZ,o */
3015
OP(op,21) { HL = ARG16(); } /* LD HL,w */
3016
OP(op,22) { EA = ARG16(); WM16( EA, &Z80.hl ); WZ = EA+1; } /* LD (w),HL */
3017
OP(op,23) { HL++; } /* INC HL */
3018
OP(op,24) { H = INC(H); } /* INC H */
3019
OP(op,25) { H = DEC(H); } /* DEC H */
3020
OP(op,26) { H = ARG(); } /* LD H,n */
3021
OP(op,27) { DAA; } /* DAA */
3022
3023
OP(op,28) { JR_COND( F & ZF, 0x28 ); } /* JR Z,o */
3024
OP(op,29) { ADD16(hl, hl); } /* ADD HL,HL */
3025
OP(op,2a) { EA = ARG16(); RM16( EA, &Z80.hl ); WZ = EA+1; } /* LD HL,(w) */
3026
OP(op,2b) { HL--; } /* DEC HL */
3027
OP(op,2c) { L = INC(L); } /* INC L */
3028
OP(op,2d) { L = DEC(L); } /* DEC L */
3029
OP(op,2e) { L = ARG(); } /* LD L,n */
3030
OP(op,2f) { A ^= 0xff; F = (F&(SF|ZF|PF|CF))|HF|NF|(A&(YF|XF)); } /* CPL */
3031
3032
OP(op,30) { JR_COND( !(F & CF), 0x30 ); } /* JR NC,o */
3033
OP(op,31) { SP = ARG16(); } /* LD SP,w */
3034
OP(op,32) { EA = ARG16(); WM( EA, A ); WZ_L=(EA+1)&0xFF;WZ_H=A; } /* LD (w),A */
3035
OP(op,33) { SP++; } /* INC SP */
3036
OP(op,34) { WM( HL, INC(RM(HL)) ); } /* INC (HL) */
3037
OP(op,35) { WM( HL, DEC(RM(HL)) ); } /* DEC (HL) */
3038
OP(op,36) { WM( HL, ARG() ); } /* LD (HL),n */
3039
OP(op,37) { F = (F & (SF|ZF|YF|XF|PF)) | CF | (A & (YF|XF)); } /* SCF */
3040
3041
OP(op,38) { JR_COND( F & CF, 0x38 ); } /* JR C,o */
3042
OP(op,39) { ADD16(hl, sp); } /* ADD HL,SP */
3043
OP(op,3a) { EA = ARG16(); A = RM( EA ); WZ = EA+1; } /* LD A,(w) */
3044
OP(op,3b) { SP--; } /* DEC SP */
3045
OP(op,3c) { A = INC(A); } /* INC A */
3046
OP(op,3d) { A = DEC(A); } /* DEC A */
3047
OP(op,3e) { A = ARG(); } /* LD A,n */
3048
OP(op,3f) { F = ((F&(SF|ZF|YF|XF|PF|CF))|((F&CF)<<4)|(A&(YF|XF)))^CF; } /* CCF */
3049
3050
OP(op,40) { } /* LD B,B */
3051
OP(op,41) { B = C; } /* LD B,C */
3052
OP(op,42) { B = D; } /* LD B,D */
3053
OP(op,43) { B = E; } /* LD B,E */
3054
OP(op,44) { B = H; } /* LD B,H */
3055
OP(op,45) { B = L; } /* LD B,L */
3056
OP(op,46) { B = RM(HL); } /* LD B,(HL) */
3057
OP(op,47) { B = A; } /* LD B,A */
3058
3059
OP(op,48) { C = B; } /* LD C,B */
3060
OP(op,49) { } /* LD C,C */
3061
OP(op,4a) { C = D; } /* LD C,D */
3062
OP(op,4b) { C = E; } /* LD C,E */
3063
OP(op,4c) { C = H; } /* LD C,H */
3064
OP(op,4d) { C = L; } /* LD C,L */
3065
OP(op,4e) { C = RM(HL); } /* LD C,(HL) */
3066
OP(op,4f) { C = A; } /* LD C,A */
3067
3068
OP(op,50) { D = B; } /* LD D,B */
3069
OP(op,51) { D = C; } /* LD D,C */
3070
OP(op,52) { } /* LD D,D */
3071
OP(op,53) { D = E; } /* LD D,E */
3072
OP(op,54) { D = H; } /* LD D,H */
3073
OP(op,55) { D = L; } /* LD D,L */
3074
OP(op,56) { D = RM(HL); } /* LD D,(HL) */
3075
OP(op,57) { D = A; } /* LD D,A */
3076
3077
OP(op,58) { E = B; } /* LD E,B */
3078
OP(op,59) { E = C; } /* LD E,C */
3079
OP(op,5a) { E = D; } /* LD E,D */
3080
OP(op,5b) { } /* LD E,E */
3081
OP(op,5c) { E = H; } /* LD E,H */
3082
OP(op,5d) { E = L; } /* LD E,L */
3083
OP(op,5e) { E = RM(HL); } /* LD E,(HL) */
3084
OP(op,5f) { E = A; } /* LD E,A */
3085
3086
OP(op,60) { H = B; } /* LD H,B */
3087
OP(op,61) { H = C; } /* LD H,C */
3088
OP(op,62) { H = D; } /* LD H,D */
3089
OP(op,63) { H = E; } /* LD H,E */
3090
OP(op,64) { } /* LD H,H */
3091
OP(op,65) { H = L; } /* LD H,L */
3092
OP(op,66) { H = RM(HL); } /* LD H,(HL) */
3093
OP(op,67) { H = A; } /* LD H,A */
3094
3095
OP(op,68) { L = B; } /* LD L,B */
3096
OP(op,69) { L = C; } /* LD L,C */
3097
OP(op,6a) { L = D; } /* LD L,D */
3098
OP(op,6b) { L = E; } /* LD L,E */
3099
OP(op,6c) { L = H; } /* LD L,H */
3100
OP(op,6d) { } /* LD L,L */
3101
OP(op,6e) { L = RM(HL); } /* LD L,(HL) */
3102
OP(op,6f) { L = A; } /* LD L,A */
3103
3104
OP(op,70) { WM( HL, B ); } /* LD (HL),B */
3105
OP(op,71) { WM( HL, C ); } /* LD (HL),C */
3106
OP(op,72) { WM( HL, D ); } /* LD (HL),D */
3107
OP(op,73) { WM( HL, E ); } /* LD (HL),E */
3108
OP(op,74) { WM( HL, H ); } /* LD (HL),H */
3109
OP(op,75) { WM( HL, L ); } /* LD (HL),L */
3110
OP(op,76) { ENTER_HALT; } /* HALT */
3111
OP(op,77) { WM( HL, A ); } /* LD (HL),A */
3112
3113
OP(op,78) { A = B; } /* LD A,B */
3114
OP(op,79) { A = C; } /* LD A,C */
3115
OP(op,7a) { A = D; } /* LD A,D */
3116
OP(op,7b) { A = E; } /* LD A,E */
3117
OP(op,7c) { A = H; } /* LD A,H */
3118
OP(op,7d) { A = L; } /* LD A,L */
3119
OP(op,7e) { A = RM(HL); } /* LD A,(HL) */
3120
OP(op,7f) { } /* LD A,A */
3121
3122
OP(op,80) { ADD(B); } /* ADD A,B */
3123
OP(op,81) { ADD(C); } /* ADD A,C */
3124
OP(op,82) { ADD(D); } /* ADD A,D */
3125
OP(op,83) { ADD(E); } /* ADD A,E */
3126
OP(op,84) { ADD(H); } /* ADD A,H */
3127
OP(op,85) { ADD(L); } /* ADD A,L */
3128
OP(op,86) { ADD(RM(HL)); } /* ADD A,(HL) */
3129
OP(op,87) { ADD(A); } /* ADD A,A */
3130
3131
OP(op,88) { ADC(B); } /* ADC A,B */
3132
OP(op,89) { ADC(C); } /* ADC A,C */
3133
OP(op,8a) { ADC(D); } /* ADC A,D */
3134
OP(op,8b) { ADC(E); } /* ADC A,E */
3135
OP(op,8c) { ADC(H); } /* ADC A,H */
3136
OP(op,8d) { ADC(L); } /* ADC A,L */
3137
OP(op,8e) { ADC(RM(HL)); } /* ADC A,(HL) */
3138
OP(op,8f) { ADC(A); } /* ADC A,A */
3139
3140
OP(op,90) { SUB(B); } /* SUB B */
3141
OP(op,91) { SUB(C); } /* SUB C */
3142
OP(op,92) { SUB(D); } /* SUB D */
3143
OP(op,93) { SUB(E); } /* SUB E */
3144
OP(op,94) { SUB(H); } /* SUB H */
3145
OP(op,95) { SUB(L); } /* SUB L */
3146
OP(op,96) { SUB(RM(HL)); } /* SUB (HL) */
3147
OP(op,97) { SUB(A); } /* SUB A */
3148
3149
OP(op,98) { SBC(B); } /* SBC A,B */
3150
OP(op,99) { SBC(C); } /* SBC A,C */
3151
OP(op,9a) { SBC(D); } /* SBC A,D */
3152
OP(op,9b) { SBC(E); } /* SBC A,E */
3153
OP(op,9c) { SBC(H); } /* SBC A,H */
3154
OP(op,9d) { SBC(L); } /* SBC A,L */
3155
OP(op,9e) { SBC(RM(HL)); } /* SBC A,(HL) */
3156
OP(op,9f) { SBC(A); } /* SBC A,A */
3157
3158
OP(op,a0) { AND(B); } /* AND B */
3159
OP(op,a1) { AND(C); } /* AND C */
3160
OP(op,a2) { AND(D); } /* AND D */
3161
OP(op,a3) { AND(E); } /* AND E */
3162
OP(op,a4) { AND(H); } /* AND H */
3163
OP(op,a5) { AND(L); } /* AND L */
3164
OP(op,a6) { AND(RM(HL)); } /* AND (HL) */
3165
OP(op,a7) { AND(A); } /* AND A */
3166
3167
OP(op,a8) { XOR(B); } /* XOR B */
3168
OP(op,a9) { XOR(C); } /* XOR C */
3169
OP(op,aa) { XOR(D); } /* XOR D */
3170
OP(op,ab) { XOR(E); } /* XOR E */
3171
OP(op,ac) { XOR(H); } /* XOR H */
3172
OP(op,ad) { XOR(L); } /* XOR L */
3173
OP(op,ae) { XOR(RM(HL)); } /* XOR (HL) */
3174
OP(op,af) { XOR(A); } /* XOR A */
3175
3176
OP(op,b0) { OR(B); } /* OR B */
3177
OP(op,b1) { OR(C); } /* OR C */
3178
OP(op,b2) { OR(D); } /* OR D */
3179
OP(op,b3) { OR(E); } /* OR E */
3180
OP(op,b4) { OR(H); } /* OR H */
3181
OP(op,b5) { OR(L); } /* OR L */
3182
OP(op,b6) { OR(RM(HL)); } /* OR (HL) */
3183
OP(op,b7) { OR(A); } /* OR A */
3184
3185
OP(op,b8) { CP(B); } /* CP B */
3186
OP(op,b9) { CP(C); } /* CP C */
3187
OP(op,ba) { CP(D); } /* CP D */
3188
OP(op,bb) { CP(E); } /* CP E */
3189
OP(op,bc) { CP(H); } /* CP H */
3190
OP(op,bd) { CP(L); } /* CP L */
3191
OP(op,be) { CP(RM(HL)); } /* CP (HL) */
3192
OP(op,bf) { CP(A); } /* CP A */
3193
3194
OP(op,c0) { RET_COND( !(F & ZF), 0xc0 ); } /* RET NZ */
3195
OP(op,c1) { POP( bc ); } /* POP BC */
3196
OP(op,c2) { JP_COND( !(F & ZF) ); } /* JP NZ,a */
3197
OP(op,c3) { JP; } /* JP a */
3198
OP(op,c4) { CALL_COND( !(F & ZF), 0xc4 ); } /* CALL NZ,a */
3199
OP(op,c5) { PUSH( bc ); } /* PUSH BC */
3200
OP(op,c6) { ADD(ARG()); } /* ADD A,n */
3201
OP(op,c7) { RST(0x00); } /* RST 0 */
3202
3203
OP(op,c8) { RET_COND( F & ZF, 0xc8 ); } /* RET Z */
3204
OP(op,c9) { POP( pc ); WZ=PCD; } /* RET */
3205
OP(op,ca) { JP_COND( F & ZF ); } /* JP Z,a */
3206
OP(op,cb) { R++; EXEC(cb,ROP()); } /* **** CB xx */
3207
OP(op,cc) { CALL_COND( F & ZF, 0xcc ); } /* CALL Z,a */
3208
OP(op,cd) { CALL(); } /* CALL a */
3209
OP(op,ce) { ADC(ARG()); } /* ADC A,n */
3210
OP(op,cf) { RST(0x08); } /* RST 1 */
3211
3212
OP(op,d0) { RET_COND( !(F & CF), 0xd0 ); } /* RET NC */
3213
OP(op,d1) { POP( de ); } /* POP DE */
3214
OP(op,d2) { JP_COND( !(F & CF) ); } /* JP NC,a */
3215
OP(op,d3) { unsigned n = ARG() | (A << 8); OUT( n, A ); WZ_L = ((n & 0xff) + 1) & 0xff; WZ_H = A; } /* OUT (n),A */
3216
OP(op,d4) { CALL_COND( !(F & CF), 0xd4 ); } /* CALL NC,a */
3217
OP(op,d5) { PUSH( de ); } /* PUSH DE */
3218
OP(op,d6) { SUB(ARG()); } /* SUB n */
3219
OP(op,d7) { RST(0x10); } /* RST 2 */
3220
3221
OP(op,d8) { RET_COND( F & CF, 0xd8 ); } /* RET C */
3222
OP(op,d9) { EXX; } /* EXX */
3223
OP(op,da) { JP_COND( F & CF ); } /* JP C,a */
3224
OP(op,db) { unsigned n = ARG() | (A << 8); A = IN( n ); WZ = n + 1; } /* IN A,(n) */
3225
OP(op,dc) { CALL_COND( F & CF, 0xdc ); } /* CALL C,a */
3226
OP(op,dd) { R++; EXEC(dd,ROP()); } /* **** DD xx */
3227
OP(op,de) { SBC(ARG()); } /* SBC A,n */
3228
OP(op,df) { RST(0x18); } /* RST 3 */
3229
3230
OP(op,e0) { RET_COND( !(F & PF), 0xe0 ); } /* RET PO */
3231
OP(op,e1) { POP( hl ); } /* POP HL */
3232
OP(op,e2) { JP_COND( !(F & PF) ); } /* JP PO,a */
3233
OP(op,e3) { EXSP( hl ); } /* EX HL,(SP) */
3234
OP(op,e4) { CALL_COND( !(F & PF), 0xe4 ); } /* CALL PO,a */
3235
OP(op,e5) { PUSH( hl ); } /* PUSH HL */
3236
OP(op,e6) { AND(ARG()); } /* AND n */
3237
OP(op,e7) { RST(0x20); } /* RST 4 */
3238
3239
OP(op,e8) { RET_COND( F & PF, 0xe8 ); } /* RET PE */
3240
OP(op,e9) { PC = HL; } /* JP (HL) */
3241
OP(op,ea) { JP_COND( F & PF ); } /* JP PE,a */
3242
OP(op,eb) { EX_DE_HL; } /* EX DE,HL */
3243
OP(op,ec) { CALL_COND( F & PF, 0xec ); } /* CALL PE,a */
3244
OP(op,ed) { R++; EXEC(ed,ROP()); } /* **** ED xx */
3245
OP(op,ee) { XOR(ARG()); } /* XOR n */
3246
OP(op,ef) { RST(0x28); } /* RST 5 */
3247
3248
OP(op,f0) { RET_COND( !(F & SF), 0xf0 ); } /* RET P */
3249
OP(op,f1) { POP( af ); } /* POP AF */
3250
OP(op,f2) { JP_COND( !(F & SF) ); } /* JP P,a */
3251
OP(op,f3) { IFF1 = IFF2 = 0; } /* DI */
3252
OP(op,f4) { CALL_COND( !(F & SF), 0xf4 ); } /* CALL P,a */
3253
OP(op,f5) { PUSH( af ); } /* PUSH AF */
3254
OP(op,f6) { OR(ARG()); } /* OR n */
3255
OP(op,f7) { RST(0x30); } /* RST 6 */
3256
3257
OP(op,f8) { RET_COND( F & SF, 0xf8 ); } /* RET M */
3258
OP(op,f9) { SP = HL; } /* LD SP,HL */
3259
OP(op,fa) { JP_COND(F & SF); } /* JP M,a */
3260
OP(op,fb) { EI; } /* EI */
3261
OP(op,fc) { CALL_COND( F & SF, 0xfc ); } /* CALL M,a */
3262
OP(op,fd) { R++; EXEC(fd,ROP()); } /* **** FD xx */
3263
OP(op,fe) { CP(ARG()); } /* CP n */
3264
OP(op,ff) { RST(0x38); } /* RST 7 */
3265
3266
3267
static void take_interrupt(void)
3268
{
3269
/* Check if processor was halted */
3270
LEAVE_HALT;
3271
3272
/* Clear both interrupt flip flops */
3273
IFF1 = IFF2 = 0;
3274
3275
LOG(("Z80 #%d single int. irq_vector $%02x\n", cpu_getactivecpu(), irq_vector));
3276
3277
/* Interrupt mode 1. RST 38h */
3278
if( IM == 1 )
3279
{
3280
LOG(("Z80 #%d IM1 $0038\n",cpu_getactivecpu() ));
3281
PUSH( pc );
3282
PCD = 0x0038;
3283
/* RST $38 + 'interrupt latency' cycles */
3284
Z80.cycles += cc[Z80_TABLE_op][0xff] + cc[Z80_TABLE_ex][0xff];
3285
}
3286
else
3287
{
3288
/* call back the cpu interface to retrieve the vector */
3289
int irq_vector = (*Z80.irq_callback)(0);
3290
3291
/* Interrupt mode 2. Call [Z80.i:databyte] */
3292
if( IM == 2 )
3293
{
3294
irq_vector = (irq_vector & 0xff) | (I << 8);
3295
PUSH( pc );
3296
RM16( irq_vector, &Z80.pc );
3297
LOG(("Z80 #%d IM2 [$%04x] = $%04x\n",cpu_getactivecpu() , irq_vector, PCD));
3298
/* CALL $xxxx + 'interrupt latency' cycles */
3299
Z80.cycles += cc[Z80_TABLE_op][0xcd] + cc[Z80_TABLE_ex][0xff];
3300
}
3301
else
3302
{
3303
/* Interrupt mode 0. We check for CALL and JP instructions, */
3304
/* if neither of these were found we assume a 1 byte opcode */
3305
/* was placed on the databus */
3306
LOG(("Z80 #%d IM0 $%04x\n",cpu_getactivecpu() , irq_vector));
3307
switch (irq_vector & 0xff0000)
3308
{
3309
case 0xcd0000: /* call */
3310
PUSH( pc );
3311
PCD = irq_vector & 0xffff;
3312
/* CALL $xxxx + 'interrupt latency' cycles */
3313
Z80.cycles += cc[Z80_TABLE_op][0xcd] + cc[Z80_TABLE_ex][0xff];
3314
break;
3315
case 0xc30000: /* jump */
3316
PCD = irq_vector & 0xffff;
3317
/* JP $xxxx + 2 cycles */
3318
Z80.cycles += cc[Z80_TABLE_op][0xc3] + cc[Z80_TABLE_ex][0xff];
3319
break;
3320
default: /* rst (or other opcodes?) */
3321
PUSH( pc );
3322
PCD = irq_vector & 0x0038;
3323
/* RST $xx + 2 cycles */
3324
Z80.cycles += cc[Z80_TABLE_op][0xff] + cc[Z80_TABLE_ex][0xff];
3325
break;
3326
}
3327
}
3328
}
3329
WZ=PCD;
3330
}
3331
3332
/****************************************************************************
3333
* Processor initialization
3334
****************************************************************************/
3335
void z80_init(const void *config, int (*irqcallback)(int))
3336
{
3337
int i, p;
3338
3339
int oldval, newval, val;
3340
UINT8 *padd = &SZHVC_add[ 0*256];
3341
UINT8 *padc = &SZHVC_add[256*256];
3342
UINT8 *psub = &SZHVC_sub[ 0*256];
3343
UINT8 *psbc = &SZHVC_sub[256*256];
3344
for (oldval = 0; oldval < 256; oldval++)
3345
{
3346
for (newval = 0; newval < 256; newval++)
3347
{
3348
/* add or adc w/o carry set */
3349
val = newval - oldval;
3350
*padd = (newval) ? ((newval & 0x80) ? SF : 0) : ZF;
3351
*padd |= (newval & (YF | XF)); /* undocumented flag bits 5+3 */
3352
if( (newval & 0x0f) < (oldval & 0x0f) ) *padd |= HF;
3353
if( newval < oldval ) *padd |= CF;
3354
if( (val^oldval^0x80) & (val^newval) & 0x80 ) *padd |= VF;
3355
padd++;
3356
3357
/* adc with carry set */
3358
val = newval - oldval - 1;
3359
*padc = (newval) ? ((newval & 0x80) ? SF : 0) : ZF;
3360
*padc |= (newval & (YF | XF)); /* undocumented flag bits 5+3 */
3361
if( (newval & 0x0f) <= (oldval & 0x0f) ) *padc |= HF;
3362
if( newval <= oldval ) *padc |= CF;
3363
if( (val^oldval^0x80) & (val^newval) & 0x80 ) *padc |= VF;
3364
padc++;
3365
3366
/* cp, sub or sbc w/o carry set */
3367
val = oldval - newval;
3368
*psub = NF | ((newval) ? ((newval & 0x80) ? SF : 0) : ZF);
3369
*psub |= (newval & (YF | XF)); /* undocumented flag bits 5+3 */
3370
if( (newval & 0x0f) > (oldval & 0x0f) ) *psub |= HF;
3371
if( newval > oldval ) *psub |= CF;
3372
if( (val^oldval) & (oldval^newval) & 0x80 ) *psub |= VF;
3373
psub++;
3374
3375
/* sbc with carry set */
3376
val = oldval - newval - 1;
3377
*psbc = NF | ((newval) ? ((newval & 0x80) ? SF : 0) : ZF);
3378
*psbc |= (newval & (YF | XF)); /* undocumented flag bits 5+3 */
3379
if( (newval & 0x0f) >= (oldval & 0x0f) ) *psbc |= HF;
3380
if( newval >= oldval ) *psbc |= CF;
3381
if( (val^oldval) & (oldval^newval) & 0x80 ) *psbc |= VF;
3382
psbc++;
3383
}
3384
}
3385
3386
for (i = 0; i < 256; i++)
3387
{
3388
p = 0;
3389
if( i&0x01 ) ++p;
3390
if( i&0x02 ) ++p;
3391
if( i&0x04 ) ++p;
3392
if( i&0x08 ) ++p;
3393
if( i&0x10 ) ++p;
3394
if( i&0x20 ) ++p;
3395
if( i&0x40 ) ++p;
3396
if( i&0x80 ) ++p;
3397
SZ[i] = i ? i & SF : ZF;
3398
SZ[i] |= (i & (YF | XF)); /* undocumented flag bits 5+3 */
3399
SZ_BIT[i] = i ? i & SF : ZF | PF;
3400
SZ_BIT[i] |= (i & (YF | XF)); /* undocumented flag bits 5+3 */
3401
SZP[i] = SZ[i] | ((p & 1) ? 0 : PF);
3402
SZHV_inc[i] = SZ[i];
3403
if( i == 0x80 ) SZHV_inc[i] |= VF;
3404
if( (i & 0x0f) == 0x00 ) SZHV_inc[i] |= HF;
3405
SZHV_dec[i] = SZ[i] | NF;
3406
if( i == 0x7f ) SZHV_dec[i] |= VF;
3407
if( (i & 0x0f) == 0x0f ) SZHV_dec[i] |= HF;
3408
}
3409
3410
/* Initialize Z80 */
3411
memset(&Z80, 0, sizeof(Z80));
3412
Z80.daisy = config;
3413
Z80.irq_callback = irqcallback;
3414
3415
/* Clear registers values (NB: should be random on real hardware ?) */
3416
AF = BC = DE = HL = SP = IX = IY =0;
3417
F = ZF; /* Zero flag is set */
3418
3419
/* setup cycle tables */
3420
cc[Z80_TABLE_op] = cc_op;
3421
cc[Z80_TABLE_cb] = cc_cb;
3422
cc[Z80_TABLE_ed] = cc_ed;
3423
cc[Z80_TABLE_xy] = cc_xy;
3424
cc[Z80_TABLE_xycb] = cc_xycb;
3425
cc[Z80_TABLE_ex] = cc_ex;
3426
}
3427
3428
/****************************************************************************
3429
* Do a reset
3430
****************************************************************************/
3431
void z80_reset(void)
3432
{
3433
PC = 0x0000;
3434
I = 0;
3435
R = 0;
3436
R2 = 0;
3437
IM = 0;
3438
IFF1 = IFF2 = 0;
3439
HALT = 0;
3440
3441
Z80.after_ei = FALSE;
3442
3443
WZ=PCD;
3444
}
3445
3446
/****************************************************************************
3447
* Run until given cycle count
3448
****************************************************************************/
3449
void z80_run(unsigned int cycles)
3450
{
3451
while( Z80.cycles < cycles )
3452
{
3453
/* check for IRQs before each instruction */
3454
if (Z80.irq_state && IFF1 && !Z80.after_ei)
3455
{
3456
take_interrupt();
3457
if (Z80.cycles >= cycles) return;
3458
}
3459
3460
Z80.after_ei = FALSE;
3461
R++;
3462
EXEC_INLINE(op,ROP());
3463
}
3464
}
3465
3466
/****************************************************************************
3467
* Get all registers in given buffer
3468
****************************************************************************/
3469
void z80_get_context (void *dst)
3470
{
3471
if( dst )
3472
*(Z80_Regs*)dst = Z80;
3473
}
3474
3475
/****************************************************************************
3476
* Set all registers to given values
3477
****************************************************************************/
3478
void z80_set_context (void *src)
3479
{
3480
if( src )
3481
Z80 = *(Z80_Regs*)src;
3482
}
3483
3484
/****************************************************************************
3485
* Set IRQ lines
3486
****************************************************************************/
3487
void z80_set_irq_line(unsigned int state)
3488
{
3489
Z80.irq_state = state;
3490
}
3491
3492
void z80_set_nmi_line(unsigned int state)
3493
{
3494
/* mark an NMI pending on the rising edge */
3495
if (Z80.nmi_state == CLEAR_LINE && state != CLEAR_LINE)
3496
{
3497
LOG(("Z80 #%d take NMI\n", cpu_getactivecpu()));
3498
LEAVE_HALT; /* Check if processor was halted */
3499
3500
IFF1 = 0;
3501
PUSH( pc );
3502
PCD = 0x0066;
3503
WZ=PCD;
3504
3505
Z80.cycles += 11*15;
3506
}
3507
3508
Z80.nmi_state = state;
3509
}
3510
3511
3512