github/duckstation
1
0
Fork 0
mirror of https://github.com/stenzek/duckstation.git synced 2025-06-06 03:25:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

implement ExtConstantBitClear/Set on ExtImprovedSlide

Browse Source
This commit is contained in:
Sheng Jiang 2025-05-27 18:36:19 -05:00
parent af803eefc1
commit 2f7523e713
1 changed files with 105 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

105
src/core/cheats.cpp
View File

@ -4035,6 +4035,15 @@ void Cheats::GamesharkCheatCode::Apply() const
value += value_increment;
}
}
else if (write_type == InstructionCode::ExtConstantWrite32)
{
for (u32 i = 0; i < slide_count; i++)
{
DoMemoryWrite<u32>(address, value);
address += address_increment;
value += value_increment;
}
}
else
{
ERROR_LOG("Invalid command in second slide parameter 0x{:02X}", static_cast<unsigned>(write_type));
@ -4107,6 +4116,102 @@ void Cheats::GamesharkCheatCode::Apply() const
value += value_change;
}
}
else if (write_type == InstructionCode::ExtConstantBitClear8)
{
for (u32 i = 0; i < slide_count; i++)
{
const u8 newValue = DoMemoryRead<u8>(address) & ~value;
DoMemoryWrite<u8>(address, newValue);
if (address_change_negative)
address -= address_change;
else
address += address_change;
if (value_change_negative)
value -= value_change;
else
value += value_change;
}
}
else if (write_type == InstructionCode::ExtConstantBitSet8)
{
for (u32 i = 0; i < slide_count; i++)
{
const u8 newValue = DoMemoryRead<u8>(address) | value;
DoMemoryWrite<u8>(address, newValue);
if (address_change_negative)
address -= address_change;
else
address += address_change;
if (value_change_negative)
value -= value_change;
else
value += value_change;
}
}
else if (write_type == InstructionCode::ExtConstantBitClear16)
{
for (u32 i = 0; i < slide_count; i++)
{
const u16 newValue = DoMemoryRead<u16>(address) & ~value;
DoMemoryWrite<u16>(address, newValue);
if (address_change_negative)
address -= address_change;
else
address += address_change;
if (value_change_negative)
value -= value_change;
else
value += value_change;
}
}
else if (write_type == InstructionCode::ExtConstantBitSet16)
{
for (u32 i = 0; i < slide_count; i++)
{
const u16 newValue = DoMemoryRead<u16>(address) | value;
DoMemoryWrite<u16>(address, newValue);
if (address_change_negative)
address -= address_change;
else
address += address_change;
if (value_change_negative)
value -= value_change;
else
value += value_change;
}
}
else if (write_type == InstructionCode::ExtConstantBitClear32)
{
for (u32 i = 0; i < slide_count; i++)
{
const u32 newValue = DoMemoryRead<u32>(address) & ~value;
DoMemoryWrite<u32>(address, newValue);
if (address_change_negative)
address -= address_change;
else
address += address_change;
if (value_change_negative)
value -= value_change;
else
value += value_change;
}
}
else if (write_type == InstructionCode::ExtConstantBitSet32)
{
for (u32 i = 0; i < slide_count; i++)
{
const u32 newValue = DoMemoryRead<u32>(address) | value;
DoMemoryWrite<u32>(address, newValue);
if (address_change_negative)
address -= address_change;
else
address += address_change;
if (value_change_negative)
value -= value_change;
else
value += value_change;
}
}
else
{
ERROR_LOG("Invalid command in second slide parameter 0x{:02X}", static_cast<unsigned>(write_type));