Path: blob/master/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/LibVBANext.cs
2 views
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using BizHawk.Emulation.Common;
namespace BizHawk.Emulation.Cores.Nintendo.GBA
{
public class LibVBANext
{
const string dllname = "libvbanext.dll";
const CallingConvention cc = CallingConvention.Cdecl;
[Flags]
public enum Buttons : int
{
A = 1,
B = 2,
Select = 4,
Start = 8,
Right = 16,
Left = 32,
Up = 64,
Down = 128,
R = 256,
L = 512
}
[StructLayout(LayoutKind.Sequential)]
public class FrontEndSettings
{
public enum SaveType : int
{
auto = 0,
eeprom = 1,
sram = 2,
flash = 3,
eeprom_sensor = 4,
none = 5
}
public enum FlashSize : int
{
small = 0x10000,
big = 0x20000
}
public SaveType saveType;
public FlashSize flashSize = FlashSize.big;
public bool enableRtc;
public bool mirroringEnable;
public bool skipBios;
public bool RTCUseRealTime = true;
public int RTCyear; // 00..99
public int RTCmonth; // 00..11
public int RTCmday; // 01..31
public int RTCwday; // 00..06
public int RTChour; // 00..23
public int RTCmin; // 00..59
public int RTCsec; // 00..59
}
/// <summary>
/// create a new context
/// </summary>
/// <returns></returns>
[DllImport(dllname, CallingConvention = cc)]
public static extern IntPtr Create();
/// <summary>
/// destroy a context
/// </summary>
/// <param name="g"></param>
[DllImport(dllname, CallingConvention = cc)]
public static extern void Destroy(IntPtr g);
/// <summary>
/// load a rom
/// </summary>
/// <param name="g"></param>
/// <param name="romfile"></param>
/// <param name="romfilelen"></param>
/// <param name="biosfile"></param>
/// <param name="biosfilelen"></param>
/// <returns>success</returns>
[DllImport(dllname, CallingConvention = cc)]
public static extern bool LoadRom(IntPtr g, byte[] romfile, uint romfilelen, byte[] biosfile, uint biosfilelen, [In]FrontEndSettings settings);
/// <summary>
/// hard reset
/// </summary>
/// <param name="g"></param>
[DllImport(dllname, CallingConvention = cc)]
public static extern void Reset(IntPtr g);
/// <summary>
/// frame advance
/// </summary>
/// <param name="g"></param>
/// <param name="input"></param>
/// <param name="videobuffer">240x160 packed argb32</param>
/// <param name="audiobuffer">buffer to recieve stereo audio</param>
/// <param name="numsamp">number of samples created</param>
/// <param name="videopalette"></param>
/// <returns>true if lagged</returns>
[DllImport(dllname, CallingConvention = cc)]
public static extern bool FrameAdvance(IntPtr g, Buttons input, int[] videobuffer, short[] audiobuffer, out int numsamp, int[] videopalette);
[DllImport(dllname, CallingConvention = cc)]
public static extern int BinStateSize(IntPtr g);
[DllImport(dllname, CallingConvention = cc)]
public static extern bool BinStateSave(IntPtr g, byte[] data, int length);
[DllImport(dllname, CallingConvention = cc)]
public static extern bool BinStateLoad(IntPtr g, byte[] data, int length);
[DllImport(dllname, CallingConvention = cc)]
public static extern void TxtStateSave(IntPtr g, [In]ref TextStateFPtrs ff);
[DllImport(dllname, CallingConvention = cc)]
public static extern void TxtStateLoad(IntPtr g, [In]ref TextStateFPtrs ff);
[DllImport(dllname, CallingConvention = cc)]
public static extern int SaveRamSize(IntPtr g);
[DllImport(dllname, CallingConvention = cc)]
public static extern bool SaveRamSave(IntPtr g, byte[] data, int length);
[DllImport(dllname, CallingConvention = cc)]
public static extern bool SaveRamLoad(IntPtr g, byte[] data, int length);
[DllImport(dllname, CallingConvention = cc)]
public static extern void GetMemoryAreas(IntPtr g, [Out]MemoryAreas mem);
[DllImport(dllname, CallingConvention = cc)]
public static extern void SystemBusWrite(IntPtr g, int addr, byte val);
[DllImport(dllname, CallingConvention = cc)]
public static extern byte SystemBusRead(IntPtr g, int addr);
[UnmanagedFunctionPointer(cc)]
public delegate void StandardCallback();
[DllImport(dllname, CallingConvention = cc)]
public static extern void SetScanlineCallback(IntPtr g, StandardCallback cb, int scanline);
[DllImport(dllname, CallingConvention = cc)]
public static extern IntPtr GetRegisters(IntPtr g);
[UnmanagedFunctionPointer(cc)]
public delegate void AddressCallback(uint addr);
/// <summary>
///
/// </summary>
/// <param name="addr">if bit 0 is set, thumb mode</param>
/// <param name="opcode"></param>
[UnmanagedFunctionPointer(cc)]
public delegate void TraceCallback(uint addr, uint opcode);
[DllImport(dllname, CallingConvention = cc)]
public static extern void SetPadCallback(IntPtr g, StandardCallback cb);
[DllImport(dllname, CallingConvention = cc)]
public static extern void SetFetchCallback(IntPtr g, AddressCallback cb);
[DllImport(dllname, CallingConvention = cc)]
public static extern void SetReadCallback(IntPtr g, AddressCallback cb);
[DllImport(dllname, CallingConvention = cc)]
public static extern void SetWriteCallback(IntPtr g, AddressCallback cb);
[DllImport(dllname, CallingConvention = cc)]
public static extern void SetTraceCallback(IntPtr g, TraceCallback cb);
[StructLayout(LayoutKind.Sequential)]
public class MemoryAreas
{
public IntPtr bios;
public IntPtr iwram;
public IntPtr ewram;
public IntPtr palram;
public IntPtr vram;
public IntPtr oam;
public IntPtr rom;
public IntPtr mmio;
public IntPtr sram;
public int sram_size;
}
// this isn't used directly at the moment. but it could be used for something eventually...
[StructLayout(LayoutKind.Sequential)]
public class Registers
{
public int R0;
public int R1;
public int R2;
public int R3;
public int R4;
public int R5;
public int R6;
public int R7;
public int R8;
public int R9;
public int R10;
public int R11;
public int R12;
public int R13;
public int R14;
public int R15;
public int CPSR;
public int SPSR;
public int R13_IRQ;
public int R14_IRQ;
public int SPSR_IRQ;
public int _unk0; // what are these???
public int _unk1;
public int _unk2;
public int _unk3;
public int _unk4;
public int R13_USR;
public int R14_USR;
public int R13_SVC;
public int R14_SVC;
public int SPSR_SVC;
public int R13_ABT;
public int R14_ABT;
public int SPSR_ABT;
public int R13_UND;
public int R14_UND;
public int SPSR_UND;
public int R8_FIQ;
public int R9_FIQ;
public int R10_FIQ;
public int R11_FIQ;
public int R12_FIQ;
public int R13_FIQ;
public int R14_FIQ;
public int SPSR_FIQ;
}
}
}