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Zero page simplification

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This commit is contained in:
Adrian Conlon 2024-03-07 08:32:05 +00:00
parent b582412231
commit e7c369cf80
1 changed files with 3 additions and 3 deletions
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6
M6502/src/mos6502.cpp
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@ -27,7 +27,7 @@ int EightBit::MOS6502::step() noexcept {
ExecutingInstruction.fire(*this); ExecutingInstruction.fire(*this);
if (LIKELY(powered())) { if (LIKELY(powered())) {
tick(); // A cycle is used, whether or RDY is high or not tick(); // A cycle is used, whether RDY is high or not
if (UNLIKELY(lowered(SO()))) if (UNLIKELY(lowered(SO())))
handleSO(); handleSO();
@ -432,12 +432,12 @@ EightBit::register16_t EightBit::MOS6502::Address_Indirect() noexcept {
} }
EightBit::register16_t EightBit::MOS6502::Address_ZeroPageX() noexcept { EightBit::register16_t EightBit::MOS6502::Address_ZeroPageX() noexcept {
memoryRead(Address_ZeroPage()); AM_ZeroPage();
return register16_t(BUS().ADDRESS().low + X(), 0); return register16_t(BUS().ADDRESS().low + X(), 0);
} }
EightBit::register16_t EightBit::MOS6502::Address_ZeroPageY() noexcept { EightBit::register16_t EightBit::MOS6502::Address_ZeroPageY() noexcept {
memoryRead(Address_ZeroPage()); AM_ZeroPage();
return register16_t(BUS().ADDRESS().low + Y(), 0); return register16_t(BUS().ADDRESS().low + Y(), 0);
} }