scawful/yaze
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

use callbacks directly to reduce stack frame impact of writes

Browse Source
This commit is contained in:
scawful
2024-05-11 13:57:08 -04:00
parent a6907044bd
commit 2e8473ff8e
1 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/app/emu/cpu/cpu.h
View File

@@ -179,23 +179,23 @@ class Cpu : public Loggable, public core::ExperimentFlags {
void WriteWord(uint32_t address, uint32_t address_high, uint16_t value,
bool reversed = false, bool int_check = false) {
if (reversed) {
WriteByte(address_high, value >> 8);
callbacks_.write_byte(address_high, value >> 8);
if (int_check) CheckInt();
WriteByte(address, value & 0xFF);
callbacks_.write_byte(address, value & 0xFF);
} else {
WriteByte(address, value & 0xFF);
callbacks_.write_byte(address, value & 0xFF);
if (int_check) CheckInt();
WriteByte(address_high, value >> 8);
callbacks_.write_byte(address_high, value >> 8);
}
}
void WriteLong(uint32_t address, uint32_t value) {
WriteByte(address, value & 0xFF);
WriteByte(address + 1, (value >> 8) & 0xFF);
WriteByte(address + 2, value >> 16);
callbacks_.write_byte(address, value & 0xFF);
callbacks_.write_byte(address + 1, (value >> 8) & 0xFF);
callbacks_.write_byte(address + 2, value >> 16);
}
void PushByte(uint8_t value) {
WriteByte(SP(), value);
callbacks_.write_byte(SP(), value);
SetSP(SP() - 1);
if (E) SetSP((SP() & 0xff) | 0x100);
}