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sync mos6502 from my last core generator checkin

This commit is contained in:
zeromus 2012-03-15 20:40:50 +00:00
parent 2d94018eaa
commit 20a242c27e
1 changed files with 14 additions and 14 deletions
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28
BizHawk.Emulation/CPUs/MOS 6502/Execute.cs
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@ -926,14 +926,14 @@ FlagT = true;// this seems wrong
value16 = (ushort) (Y - value8);
FlagC = (Y >= value8);
P = (byte)((P & 0x7D) | TableNZ[(byte)value16]);
PendingCycles -= 2;
PendingCycles -= 2; TotalExecutedCycles += 2;
break;
case 0xC1: // CMP (addr,X)
value8 = ReadMemory(ReadWordPageWrap((byte)(ReadMemory(PC++)+X)));
value16 = (ushort) (A - value8);
FlagC = (A >= value8);
P = (byte)((P & 0x7D) | TableNZ[(byte)value16]);
PendingCycles -= 6;
PendingCycles -= 6; TotalExecutedCycles += 6;
break;
case 0xC2: // NOP #nn
PC += 1;
@ -944,14 +944,14 @@ FlagT = true;// this seems wrong
value16 = (ushort) (Y - value8);
FlagC = (Y >= value8);
P = (byte)((P & 0x7D) | TableNZ[(byte)value16]);
PendingCycles -= 3;
PendingCycles -= 3; TotalExecutedCycles += 3;
break;
case 0xC5: // CMP zp
value8 = ReadMemory(ReadMemory(PC++));
value16 = (ushort) (A - value8);
FlagC = (A >= value8);
P = (byte)((P & 0x7D) | TableNZ[(byte)value16]);
PendingCycles -= 3;
PendingCycles -= 3; TotalExecutedCycles += 3;
break;
case 0xC6: // DEC zp
value16 = ReadMemory(PC++);
@ -969,7 +969,7 @@ FlagT = true;// this seems wrong
value16 = (ushort) (A - value8);
FlagC = (A >= value8);
P = (byte)((P & 0x7D) | TableNZ[(byte)value16]);
PendingCycles -= 2;
PendingCycles -= 2; TotalExecutedCycles += 2;
break;
case 0xCA: // DEX
P = (byte)((P & 0x7D) | TableNZ[--X]);
@ -980,14 +980,14 @@ FlagT = true;// this seems wrong
value16 = (ushort) (Y - value8);
FlagC = (Y >= value8);
P = (byte)((P & 0x7D) | TableNZ[(byte)value16]);
PendingCycles -= 4;
PendingCycles -= 4; TotalExecutedCycles += 4;
break;
case 0xCD: // CMP addr
value8 = ReadMemory(ReadWord(PC)); PC += 2;
value16 = (ushort) (A - value8);
FlagC = (A >= value8);
P = (byte)((P & 0x7D) | TableNZ[(byte)value16]);
PendingCycles -= 4;
PendingCycles -= 4; TotalExecutedCycles += 4;
break;
case 0xCE: // DEC addr
value16 = ReadWord(PC); PC += 2;
@ -1015,7 +1015,7 @@ FlagT = true;// this seems wrong
value16 = (ushort) (A - value8);
FlagC = (A >= value8);
P = (byte)((P & 0x7D) | TableNZ[(byte)value16]);
PendingCycles -= 5;
PendingCycles -= 5; TotalExecutedCycles += 5;
break;
case 0xD4: // NOP zp,X
PC += 1;
@ -1026,7 +1026,7 @@ FlagT = true;// this seems wrong
value16 = (ushort) (A - value8);
FlagC = (A >= value8);
P = (byte)((P & 0x7D) | TableNZ[(byte)value16]);
PendingCycles -= 4;
PendingCycles -= 4; TotalExecutedCycles += 4;
break;
case 0xD6: // DEC zp,X
value16 = (byte)(ReadMemory(PC++)+X);
@ -1048,7 +1048,7 @@ FlagT = true;// this seems wrong
value16 = (ushort) (A - value8);
FlagC = (A >= value8);
P = (byte)((P & 0x7D) | TableNZ[(byte)value16]);
PendingCycles -= 4;
PendingCycles -= 4; TotalExecutedCycles += 4;
break;
case 0xDA: // NOP
PendingCycles -= 2; TotalExecutedCycles += 2;
@ -1066,7 +1066,7 @@ FlagT = true;// this seems wrong
value16 = (ushort) (A - value8);
FlagC = (A >= value8);
P = (byte)((P & 0x7D) | TableNZ[(byte)value16]);
PendingCycles -= 4;
PendingCycles -= 4; TotalExecutedCycles += 4;
break;
case 0xDE: // DEC addr,X
value16 = (ushort)(ReadWord(PC)+X);
@ -1081,7 +1081,7 @@ FlagT = true;// this seems wrong
value16 = (ushort) (X - value8);
FlagC = (X >= value8);
P = (byte)((P & 0x7D) | TableNZ[(byte)value16]);
PendingCycles -= 2;
PendingCycles -= 2; TotalExecutedCycles += 2;
break;
case 0xE1: // SBC (addr,X)
value8 = ReadMemory(ReadWordPageWrap((byte)(ReadMemory(PC++)+X)));
@ -1101,7 +1101,7 @@ FlagT = true;// this seems wrong
value16 = (ushort) (X - value8);
FlagC = (X >= value8);
P = (byte)((P & 0x7D) | TableNZ[(byte)value16]);
PendingCycles -= 3;
PendingCycles -= 3; TotalExecutedCycles += 3;
break;
case 0xE5: // SBC zp
value8 = ReadMemory(ReadMemory(PC++));
@ -1140,7 +1140,7 @@ FlagT = true;// this seems wrong
value16 = (ushort) (X - value8);
FlagC = (X >= value8);
P = (byte)((P & 0x7D) | TableNZ[(byte)value16]);
PendingCycles -= 4;
PendingCycles -= 4; TotalExecutedCycles += 4;
break;
case 0xED: // SBC addr
value8 = ReadMemory(ReadWord(PC)); PC += 2;