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Debugger: fix for 6502 JMP (ABS) - compute correct NMOS target address

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This commit is contained in:
tomcw 2021-10-15 20:36:04 +01:00
parent 2e63c0c07f
commit 028c041175
1 changed files with 4 additions and 2 deletions
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6
source/Debugger/Debugger_Assembler.cpp
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@ -703,9 +703,11 @@ bool _6502_GetTargets ( WORD nAddress, int *pTargetPartial_, int *pTargetPartial
case AM_NA: // Indirect (Absolute) - ie. JMP (abs)
_ASSERT(nOpcode == OPCODE_JMP_NA);
*pTargetPartial_ = nTarget16;
*pTargetPartial2_ = nTarget16+1;
*pTargetPartial2_ = (nTarget16+1) & _6502_MEM_END;
if (GetMainCpu() == CPU_6502 && (nTarget16 & 0xff) == 0xff)
*pTargetPartial2_ = nTarget16 & 0xff00;
if (bIncludeNextOpcodeAddress)
*pTargetPointer_ = mem[nTarget16] | (mem[(nTarget16+1)&0xFFFF]<<8);
*pTargetPointer_ = mem[*pTargetPartial_] | (mem[*pTargetPartial2_] << 8);
if (pTargetBytes_)
*pTargetBytes_ = 2;
break;