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Fix high byte address forwarding

This commit is contained in:
drmortalwombat 2025-05-11 17:31:01 +02:00
parent 05ef25a61e
commit ba05ec743d
1 changed files with 2 additions and 2 deletions
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4
oscar64/NativeCodeGenerator.cpp
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@ -5,7 +5,7 @@
#define JUMP_TO_BRANCH 1 #define JUMP_TO_BRANCH 1
#define CHECK_NULLPTR 0 #define CHECK_NULLPTR 0
#define REYCLE_JUMPS 1 #define REYCLE_JUMPS 1
#define DISASSEMBLE_OPT 0 #define DISASSEMBLE_OPT 1
static bool CheckFunc; static bool CheckFunc;
static bool CheckCase; static bool CheckCase;
@ -37490,7 +37490,7 @@ bool NativeCodeBasicBlock::ValueForwarding(NativeCodeProcedure* proc, const Nati
mIns.Insert(i, NativeCodeInstruction(mIns[i].mIns, ASMIT_LDY, ASMIM_ZERO_PAGE, reg)); mIns.Insert(i, NativeCodeInstruction(mIns[i].mIns, ASMIT_LDY, ASMIM_ZERO_PAGE, reg));
mIns[i + 1].mMode = ASMIM_ABSOLUTE_Y; mIns[i + 1].mMode = ASMIM_ABSOLUTE_Y;
mIns[i + 1].mLinkerObject = mNDataSet.mRegs[reg + 1].mLinkerObject; mIns[i + 1].mLinkerObject = mNDataSet.mRegs[reg + 1].mLinkerObject;
mIns[i + 1].mAddress = mNDataSet.mRegs[reg + 1].mValue + mNDataSet.mRegs[CPU_REG_Y].mValue; mIns[i + 1].mAddress = (mNDataSet.mRegs[reg + 1].mValue & 0xff00) + mNDataSet.mRegs[CPU_REG_Y].mValue;
mIns[i + 1].mFlags &= ~NCIF_LOWER; mIns[i + 1].mFlags &= ~NCIF_LOWER;
mIns.Insert(i + 2, NativeCodeInstruction(mIns[i].mIns, ASMIT_LDY, ASMIM_IMMEDIATE, mNDataSet.mRegs[CPU_REG_Y].mValue)); mIns.Insert(i + 2, NativeCodeInstruction(mIns[i].mIns, ASMIT_LDY, ASMIM_IMMEDIATE, mNDataSet.mRegs[CPU_REG_Y].mValue));
mIns.Insert(i + 3, NativeCodeInstruction(mIns[i].mIns, ASMIT_ORA, ASMIM_IMMEDIATE, 0)); mIns.Insert(i + 3, NativeCodeInstruction(mIns[i].mIns, ASMIT_ORA, ASMIM_IMMEDIATE, 0));