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Added Cheat Type A8 

Added cheat type A8 which is the byte equivalent of the A7 cheat type as there will be a need of this type.
This commit is contained in:
PugsyMAME 2024-11-10 00:07:23 +00:00 committed by GitHub
parent 0b1034427f
commit b691388e62
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GPG Key ID: B5690EEEBB952194
1 changed files with 25 additions and 0 deletions
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25
src/core/cheats.cpp
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@ -1817,6 +1817,7 @@ private:
ExtDecrement32 = 0x61,
ExtConstantWriteIfMatch16 = 0xA6,
ExtConstantWriteIfMatchWithRestore16 = 0xA7,
ExtConstantWriteIfMatchWithRestore8 = 0xA8,
ExtConstantForceRange8 = 0xF0,
ExtConstantForceRangeLimits16 = 0xF1,
ExtConstantForceRangeRollRound16 = 0xF2,
@ -2359,7 +2360,19 @@ void Cheats::GamesharkCheatCode::Apply() const
index++;
}
break;
case InstructionCode::ExtConstantWriteIfMatchWithRestore8:
{
const u8 value = DoMemoryRead<u8>(inst.address);
const u8 comparevalue = Truncate8(inst.value16 >> 8);
const u8 newvalue = Truncate8(inst.value16 & 0xFFu);
if (value == comparevalue)
DoMemoryWrite<u8>(inst.address, newvalue);
index++;
}
break;
case InstructionCode::ExtConstantForceRange8:
{
const u8 value = DoMemoryRead<u8>(inst.address);
@ -3926,6 +3939,18 @@ void Cheats::GamesharkCheatCode::ApplyOnDisable() const
}
break;
case InstructionCode::ExtConstantWriteIfMatchWithRestore8:
{
const u8 value = DoMemoryRead<u8>(inst.address);
const u8 comparevalue = Truncate8(inst.value16 >> 8);
const u8 newvalue = Truncate8(inst.value16 & 0xFFu);
if (value == newvalue)
DoMemoryWrite<u8>(inst.address, comparevalue);
index++;
}
break;
[[unlikely]] default:
{
ERROR_LOG("Unhandled instruction code 0x{:02X} ({:08X} {:08X})", static_cast<u8>(inst.code.GetValue()),