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use callbacks directly to reduce stack frame impact of writes

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scawful
2024-05-11 13:57:08 -04:00
parent a6907044bd
commit 2e8473ff8e
1 changed files with 8 additions and 8 deletions
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16
src/app/emu/cpu/cpu.h
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@@ -179,23 +179,23 @@ class Cpu : public Loggable, public core::ExperimentFlags {
void WriteWord(uint32_t address, uint32_t address_high, uint16_t value, void WriteWord(uint32_t address, uint32_t address_high, uint16_t value,
bool reversed = false, bool int_check = false) { bool reversed = false, bool int_check = false) {
if (reversed) { if (reversed) {
WriteByte(address_high, value >> 8); callbacks_.write_byte(address_high, value >> 8);
if (int_check) CheckInt(); if (int_check) CheckInt();
WriteByte(address, value & 0xFF); callbacks_.write_byte(address, value & 0xFF);
} else { } else {
WriteByte(address, value & 0xFF); callbacks_.write_byte(address, value & 0xFF);
if (int_check) CheckInt(); if (int_check) CheckInt();
WriteByte(address_high, value >> 8); callbacks_.write_byte(address_high, value >> 8);
} }
} }
void WriteLong(uint32_t address, uint32_t value) { void WriteLong(uint32_t address, uint32_t value) {
WriteByte(address, value & 0xFF); callbacks_.write_byte(address, value & 0xFF);
WriteByte(address + 1, (value >> 8) & 0xFF); callbacks_.write_byte(address + 1, (value >> 8) & 0xFF);
WriteByte(address + 2, value >> 16); callbacks_.write_byte(address + 2, value >> 16);
} }
void PushByte(uint8_t value) { void PushByte(uint8_t value) {
WriteByte(SP(), value); callbacks_.write_byte(SP(), value);
SetSP(SP() - 1); SetSP(SP() - 1);
if (E) SetSP((SP() & 0xff) | 0x100); if (E) SetSP((SP() & 0xff) | 0x100);
} }