Mesen2/Core/PCE/PceSf2RomMapper.cpp

40 lines
830 B
C++

#include "pch.h"
#include "PCE/PceSf2RomMapper.h"
#include "PCE/PceConsole.h"
#include "PCE/PceMemoryManager.h"
#include "Utilities/Serializer.h"
PceSf2RomMapper::PceSf2RomMapper(PceConsole* console)
{
_console = console;
_mappedBanks[0] = true;
}
void PceSf2RomMapper::Write(uint8_t bank, uint16_t addr, uint8_t value)
{
if((addr & 0x1FF0) == 0x1FF0) {
_selectedBank = addr & 0x0F;
UpdateMappings();
}
}
void PceSf2RomMapper::UpdateMappings()
{
uint32_t bankOffsets[8] = {
0x00, 0x10, 0x20, 0x30,
0x40u + (_selectedBank * 0x40),
0x50u + (_selectedBank * 0x40),
0x60u + (_selectedBank * 0x40),
0x70u + (_selectedBank * 0x40)
};
_console->GetMemoryManager()->UpdateMappings(bankOffsets);
}
void PceSf2RomMapper::Serialize(Serializer& s)
{
SV(_selectedBank);
if(!s.IsSaving()) {
UpdateMappings();
}
}