Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
alexbevi
GitHub Repository: alexbevi/BizHawk
 Path: blob/master/libsnes/bsnes/snes/chip/hitachidsp/registers.cpp
2 views
1
#ifdef HITACHIDSP_CPP

2


3
unsigned HitachiDSP::reg_read(unsigned n) const {

4
  switch(n) {

5
  case 0x00: return regs.a;

6
  case 0x01: return regs.acch;

7
  case 0x02: return regs.accl;

8
  case 0x03: return regs.busdata;

9
  case 0x08: return regs.romdata;

10
  case 0x0c: return regs.ramdata;

11
  case 0x13: return regs.busaddr;

12
  case 0x1c: return regs.ramaddr;

13
  case 0x50: return 0x000000;

14
  case 0x51: return 0xffffff;

15
  case 0x52: return 0x00ff00;

16
  case 0x53: return 0xff0000;

17
  case 0x54: return 0x00ffff;

18
  case 0x55: return 0xffff00;

19
  case 0x56: return 0x800000;

20
  case 0x57: return 0x7fffff;

21
  case 0x58: return 0x008000;

22
  case 0x59: return 0x007fff;

23
  case 0x5a: return 0xff7fff;

24
  case 0x5b: return 0xffff7f;

25
  case 0x5c: return 0x010000;

26
  case 0x5d: return 0xfeffff;

27
  case 0x5e: return 0x000100;

28
  case 0x5f: return 0x00feff;

29
  case 0x60: return regs.gpr[ 0];

30
  case 0x61: return regs.gpr[ 1];

31
  case 0x62: return regs.gpr[ 2];

32
  case 0x63: return regs.gpr[ 3];

33
  case 0x64: return regs.gpr[ 4];

34
  case 0x65: return regs.gpr[ 5];

35
  case 0x66: return regs.gpr[ 6];

36
  case 0x67: return regs.gpr[ 7];

37
  case 0x68: return regs.gpr[ 8];

38
  case 0x69: return regs.gpr[ 9];

39
  case 0x6a: return regs.gpr[10];

40
  case 0x6b: return regs.gpr[11];

41
  case 0x6c: return regs.gpr[12];

42
  case 0x6d: return regs.gpr[13];

43
  case 0x6e: return regs.gpr[14];

44
  case 0x6f: return regs.gpr[15];

45
  }

46
  return 0x000000;

47
}

48


49
void HitachiDSP::reg_write(unsigned n, unsigned data) {

50
  switch(n) {

51
  case 0x00: regs.a = data; return;

52
  case 0x01: regs.acch = data; return;

53
  case 0x02: regs.accl = data; return;

54
  case 0x03: regs.busdata = data; return;

55
  case 0x08: regs.romdata = data; return;

56
  case 0x0c: regs.ramdata = data; return;

57
  case 0x13: regs.busaddr = data; return;

58
  case 0x1c: regs.ramaddr = data; return;

59
  case 0x60: regs.gpr[ 0] = data; return;

60
  case 0x61: regs.gpr[ 1] = data; return;

61
  case 0x62: regs.gpr[ 2] = data; return;

62
  case 0x63: regs.gpr[ 3] = data; return;

63
  case 0x64: regs.gpr[ 4] = data; return;

64
  case 0x65: regs.gpr[ 5] = data; return;

65
  case 0x66: regs.gpr[ 6] = data; return;

66
  case 0x67: regs.gpr[ 7] = data; return;

67
  case 0x68: regs.gpr[ 8] = data; return;

68
  case 0x69: regs.gpr[ 9] = data; return;

69
  case 0x6a: regs.gpr[10] = data; return;

70
  case 0x6b: regs.gpr[11] = data; return;

71
  case 0x6c: regs.gpr[12] = data; return;

72
  case 0x6d: regs.gpr[13] = data; return;

73
  case 0x6e: regs.gpr[14] = data; return;

74
  case 0x6f: regs.gpr[15] = data; return;

75
  }

76
}

77


78
#endif

79


80