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Implement Compare Instructions

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Palindromic Bread Loaf
2025-07-22 09:23:58 -04:00
parent 86ee748396
commit e856c9d95d
2 changed files with 388 additions and 0 deletions
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23
src/cpu.h
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@@ -57,9 +57,32 @@ public:
void WriteByte(uint32_t address, uint8_t value) const;
void WriteWord(uint32_t address, uint16_t value) const;
// Helper methods for compare operations
void UpdateCompareFlags8(uint8_t reg_value, uint8_t compare_value);
void UpdateCompareFlags16(uint16_t reg_value, uint16_t compare_value);
// Instruction implementations
// TODO: Implement remaining instructions
void CMP_Immediate();
void CMP_Absolute();
void CMP_AbsoluteX();
void CMP_AbsoluteY();
void CMP_DirectPage();
void CMP_DirectPageX();
void CMP_IndirectDirectPage();
void CMP_IndirectDirectPageY();
void CMP_DirectPageIndirectX();
void CMP_Long();
void CMP_LongX();
void CPX_Immediate();
void CPX_Absolute();
void CPX_DirectPage();
void CPY_Immediate();
void CPY_Absolute();
void CPY_DirectPage();
void JMP();
static void NOP();