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Libretro: Added GB/GBC memory map for achievements

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Sour 2020-06-18 23:35:52 -04:00
parent e310ff30d8
commit 52259d13e7
1 changed files with 32 additions and 1 deletions
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33
Libretro/libretro.cpp
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@ -585,9 +585,40 @@ extern "C" {
_console->GetSettings()->SetInputConfig(input);
}
void retro_set_memory_maps()
{
shared_ptr<BaseCartridge> cart = _console->GetCartridge();
Gameboy* gb = cart->GetGameboy();
if(gb) {
retro_memory_descriptor descriptors[20] = {};
uint32_t count = 0;
auto addDescriptor = [&count, &descriptors](uint8_t* ptr, uint32_t address, uint32_t length) {
descriptors[count].ptr = ptr;
descriptors[count].start = (size_t)address;
descriptors[count].len = (size_t)length;
count++;
};
addDescriptor(gb->DebugGetMemory(SnesMemoryType::GbPrgRom), 0x0000, std::min(0x8000, (int)gb->DebugGetMemorySize(SnesMemoryType::GbPrgRom)));
addDescriptor(gb->DebugGetMemory(SnesMemoryType::GbVideoRam), 0x8000, 0x2000);
if(gb->DebugGetMemory(SnesMemoryType::GbCartRam)) {
addDescriptor(gb->DebugGetMemory(SnesMemoryType::GbCartRam), 0xA000, 0x2000);
}
addDescriptor(gb->DebugGetMemory(SnesMemoryType::GbWorkRam), 0xC000, 0x2000);
addDescriptor(gb->DebugGetMemory(SnesMemoryType::GbHighRam), 0xFF80, 0x80);
if(gb->DebugGetMemorySize(SnesMemoryType::GsuWorkRam) == 0x8000) {
//GBC - map extra work ram at "fake" 0x10000-0x16000 range
addDescriptor(gb->DebugGetMemory(SnesMemoryType::WorkRam) + 0x2000, 0x10000, 0x6000);
}
retro_memory_map memoryMap = {};
memoryMap.descriptors = descriptors;
memoryMap.num_descriptors = count;
retroEnv(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &memoryMap);
}
}
RETRO_API void retro_set_controller_port_device(unsigned port, unsigned device)