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BizHawk
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-Finished the disassembler with the branches. 

-Added bytesToAdvance assignments to the relevant opcodes I added yesterday.

TODO: Implement more stuff in Execute and use the Executive ROM as a test case.
This commit is contained in:
brandman211 2012-07-20 03:30:03 +00:00
parent dd504a4960
commit ab8e98c41a
1 changed files with 68 additions and 1 deletions
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69
BizHawk.Emulation/CPUs/CP1610/Disassembler.cs
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@ -692,7 +692,67 @@ namespace BizHawk.Emulation.CPUs.CP1610
case 0x23D:
case 0x23E:
case 0x23F:
throw new NotImplementedException();
second = ReadMemory((ushort)(pc + 1));
if ((opcode & 0x16) != 0)
result = "BEXT";
else
{
switch (opcode & 0x15)
{
case 0x0:
result = "B";
break;
case 0x1:
result = "BC";
break;
case 0x2:
result = "BOV";
break;
case 0x3:
result = "BPL";
break;
case 0x4:
result = "BEQ";
break;
case 0x5:
result = "BLT";
break;
case 0x6:
result = "BLE";
break;
case 0x7:
result = "BUSC";
break;
case 0x8:
result = "NOPP";
break;
case 0x9:
result = "BNC";
break;
case 0x10:
result = "BNOV";
break;
case 0x11:
result = "BMI";
break;
case 0x12:
result = "BNEQ";
break;
case 0x13:
result = "BGE";
break;
case 0x14:
result = "BGT";
break;
case 0x15:
result = "BESC";
break;
}
}
op1 = opcode & 0x32;
result += string.Format(" ${0:X4}", second) + ", " + op1;
bytesToAdvance = 2;
return result;
case 0x240:
case 0x241:
case 0x242:
@ -703,6 +763,7 @@ namespace BizHawk.Emulation.CPUs.CP1610
case 0x247:
register1 = (byte)(opcode & 0x7);
second = ReadMemory((ushort)(pc + 1));
bytesToAdvance = 2;
return "MVO R" + register1 + ", " + string.Format("${0:X4}", second);
case 0x248:
case 0x249:
@ -773,6 +834,7 @@ namespace BizHawk.Emulation.CPUs.CP1610
case 0x287:
register1 = (byte)(opcode & 0x7);
second = ReadMemory((ushort)(pc + 1));
bytesToAdvance = 2;
return "MVI R" + register1 + ", " + string.Format("${0:X4}", second);
case 0x288:
case 0x289:
@ -843,6 +905,7 @@ namespace BizHawk.Emulation.CPUs.CP1610
case 0x2C7:
register1 = (byte)(opcode & 0x7);
second = ReadMemory((ushort)(pc + 1));
bytesToAdvance = 2;
return "ADD R" + register1 + ", " + string.Format("${0:X4}", second);
case 0x2C8:
case 0x2C9:
@ -913,6 +976,7 @@ namespace BizHawk.Emulation.CPUs.CP1610
case 0x307:
register1 = (byte)(opcode & 0x7);
second = ReadMemory((ushort)(pc + 1));
bytesToAdvance = 2;
return "SUB R" + register1 + ", " + string.Format("${0:X4}", second);
case 0x308:
case 0x309:
@ -983,6 +1047,7 @@ namespace BizHawk.Emulation.CPUs.CP1610
case 0x347:
register1 = (byte)(opcode & 0x7);
second = ReadMemory((ushort)(pc + 1));
bytesToAdvance = 2;
return "CMP R" + register1 + ", " + string.Format("${0:X4}", second);
case 0x348:
case 0x349:
@ -1053,6 +1118,7 @@ namespace BizHawk.Emulation.CPUs.CP1610
case 0x387:
register1 = (byte)(opcode & 0x7);
second = ReadMemory((ushort)(pc + 1));
bytesToAdvance = 2;
return "AND R" + register1 + ", " + string.Format("${0:X4}", second);
case 0x388:
case 0x389:
@ -1123,6 +1189,7 @@ namespace BizHawk.Emulation.CPUs.CP1610
case 0x3C7:
register1 = (byte)(opcode & 0x7);
second = ReadMemory((ushort)(pc + 1));
bytesToAdvance = 2;
return "XOR R" + register1 + ", " + string.Format("${0:X4}", second);
case 0x3C8:
case 0x3C9: