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clean up and minor fixes

This commit is contained in:
alyosha-tas 2016-06-16 11:29:08 -04:00 committed by GitHub
parent 618deafe12
commit 55feae8bf6
1 changed files with 3 additions and 10 deletions
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13
BizHawk.Emulation.Cores/CPUs/MOS 6502X/Execute.cs
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@ -197,7 +197,7 @@ namespace BizHawk.Emulation.Cores.Components.M6502
/*TYA [implied]*/ new Uop[] { Uop.Imp_TYA, Uop.End },
/*STA addr,Y [absolute indexed WRITE]*/ new Uop[] { Uop.Fetch2, Uop.AbsIdx_Stage3_Y, Uop.AbsIdx_Stage4, Uop.AbsIdx_WRITE_Stage5_STA, Uop.End },
/*TXS [implied]*/ new Uop[] { Uop.Imp_TXS, Uop.End },
/*SHS* addr,Y [absolute indexed WRITE X] [unofficial] [NOT IMPLEMENTED - TRICKY, AND NO TEST]*/ new Uop[] { Uop.Fetch2, Uop.AbsIdx_Stage3_Y, Uop.AbsIdx_Stage4, Uop.AbsIdx_WRITE_Stage5_ERROR, Uop.End },
/*SHS* addr,Y [absolute indexed WRITE Y] [unofficial] */ new Uop[] { Uop.Fetch2, Uop.AbsIdx_Stage3_Y, Uop.AbsIdx_Stage4, Uop.AbsIdx_WRITE_Stage5_ERROR, Uop.End },
/*SHY** [absolute indexed WRITE] [unofficial]*/ new Uop[] { Uop.Fetch2, Uop.AbsIdx_Stage3_X, Uop.AbsIdx_Stage4, Uop.AbsIdx_WRITE_Stage5_SHY, Uop.End },
/*STA addr,X [absolute indexed WRITE]*/ new Uop[] { Uop.Fetch2, Uop.AbsIdx_Stage3_X, Uop.AbsIdx_Stage4, Uop.AbsIdx_WRITE_Stage5_STA, Uop.End },
/*SHX* addr,Y [absolute indexed WRITE Y] [unofficial]*/ new Uop[] { Uop.Fetch2, Uop.AbsIdx_Stage3_Y, Uop.AbsIdx_Stage4, Uop.AbsIdx_WRITE_Stage5_SHX, Uop.End },
@ -2298,14 +2298,8 @@ namespace BizHawk.Emulation.Cores.Components.M6502
}
void AbsIdx_WRITE_Stage5_ERROR()
{
//rdy_freeze = !RDY;
//if (RDY)
//{
//alu_temp = ReadMemory((ushort)ea);
//throw new InvalidOperationException("UNSUPPORTED OPCODE [probably SHS] PLEASE REPORT");
//}
S = (byte)(X & A);
WriteMemory((ushort)ea, (byte)(S & opcode3));
WriteMemory((ushort)ea, (byte)(S & (opcode3+1)));
}
void AbsIdx_RMW_Stage5()
@ -2526,7 +2520,6 @@ namespace BizHawk.Emulation.Cores.Components.M6502
if (RDY)
{
alu_temp = ReadMemory((ushort)ea);
// Alyosha: wish me luck!
S &= (byte)alu_temp;
X = S;
A = S;
@ -2965,7 +2958,7 @@ namespace BizHawk.Emulation.Cores.Components.M6502
public void ExecuteOne()
{
// total cycles now incraments every time a cycle is called to accurately count during RDY
TotalExecutedCycles++;
if (!rdy_freeze)
{