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enums and RTC work

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YayIguess
2026-03-18 01:09:03 -07:00
parent 80e23312de
commit c242fb7574
5 changed files with 62 additions and 16 deletions
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19
src/mbc.cpp
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@@ -1,7 +1,8 @@
#include "addressSpace.hpp"
#include "defines.hpp"
void AddressSpace::determineMBCInfo() {
MBC = static_cast<MBCType>(memoryLayout.romBank0[0x147]);
MBC = static_cast<MBCType_enum>(memoryLayout.romBank0[0x147]);
romSize = 32768 * (1 << memoryLayout.romBank0[0x147]);
romBanks = 1 << (memoryLayout.romBank0[0x147] + 1);
@@ -130,17 +131,33 @@ void AddressSpace::MBCUpdate() {
loadRamBank();
} else if (MBC == MBC2 || MBC == MBC2Battery) {
selectedRomBank = romBankRegister & 0x0F;
selectedExternalRamBank = 0;
loadRomBank();
loadRamBank();
} else if (MBC == MBC3 || MBC == MBC3TimerBattery) {
selectedRomBank = romBankRegister & 0x7F;
selectedExternalRamBank = 0;
if (MBC == MBC3TimerBattery) {
if(ramBankRTCRegister >= 0x8 && ramBankRTCRegister <= 0xC)
enabledRTCRegister = static_cast<enabledRTCRegister_enum>(ramBankRTCRegister);
else
enabledRTCRegister = NONE;
}
loadRomBank();
loadRamBank();
} else if (MBC == MBC3Ram || MBC == MBC3RamBattery ||
MBC == MBC3TimerRamBattery) {
selectedRomBank = romBankRegister & 0x7F;
selectedExternalRamBank = ramBankRTCRegister & 0b11;
if (MBC == MBC3TimerRamBattery) {
if(ramBankRTCRegister >= 0x8 && ramBankRTCRegister <= 0xC)
enabledRTCRegister = static_cast<enabledRTCRegister_enum>(ramBankRTCRegister);
else
enabledRTCRegister = NONE;
}
loadRomBank();
loadRamBank();
}