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SPC7110: Added support for the mappings used by the tenkai translation rom

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This commit is contained in:
Sour 2020-02-29 17:15:23 -05:00
parent 9c20e48957
commit 8798a73deb
2 changed files with 22 additions and 12 deletions
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31
Core/Spc7110.cpp
View file

@ -5,6 +5,7 @@
#include "MemoryMappings.h"
#include "BaseCartridge.h"
#include "MemoryManager.h"
#include "EmuSettings.h"
#include "BatteryManager.h"
#include "MessageManager.h"
#include "../Utilities/HexUtilities.h"
@ -12,11 +13,12 @@
Spc7110::Spc7110(Console* console, bool useRtc)
{
_console = console;
_cart = console->GetCartridge().get();
_useRtc = useRtc;
MemoryMappings* mappings = console->GetMemoryManager()->GetMemoryMappings();
vector<unique_ptr<IMemoryHandler>>& prgRomHandlers = console->GetCartridge()->GetPrgRomHandlers();
vector<unique_ptr<IMemoryHandler>>& saveRamHandlers = console->GetCartridge()->GetSaveRamHandlers();
vector<unique_ptr<IMemoryHandler>>& prgRomHandlers = _cart->GetPrgRomHandlers();
vector<unique_ptr<IMemoryHandler>>& saveRamHandlers = _cart->GetSaveRamHandlers();
//Regular A Bus register handler, keep a reference to it, it'll be overwritten below
_cpuRegisterHandler = mappings->GetHandler(0x4000);
@ -35,7 +37,15 @@ Spc7110::Spc7110(Console* console, bool useRtc)
mappings->RegisterHandler(0x00, 0x3F, 0x8000, 0xFFFF, prgRomHandlers, 8);
mappings->RegisterHandler(0x80, 0xBF, 0x8000, 0xFFFF, prgRomHandlers, 8);
mappings->RegisterHandler(0x40, 0x4F, 0x0000, 0xFFFF, prgRomHandlers);
bool enableStrictBoardMappings = console->GetSettings()->GetEmulationConfig().EnableStrictBoardMappings;
uint32_t romSize = _cart->DebugGetPrgRomSize();
if(!enableStrictBoardMappings && _cart->DebugGetPrgRomSize() >= 0x600000) {
mappings->RegisterHandler(0x40, 0x4F, 0x0000, 0xFFFF, prgRomHandlers, 0, 0x600);
_realDataRomSize = romSize - 0x200000;
} else {
mappings->RegisterHandler(0x40, 0x4F, 0x0000, 0xFFFF, prgRomHandlers);
_realDataRomSize = romSize - 0x100000;
}
mappings->RegisterHandler(0xC0, 0xCF, 0x0000, 0xFFFF, prgRomHandlers);
Reset();
@ -255,9 +265,9 @@ void Spc7110::Write(uint32_t addr, uint8_t value)
void Spc7110::UpdateMappings()
{
MemoryMappings* mappings = _console->GetMemoryManager()->GetMemoryMappings();
vector<unique_ptr<IMemoryHandler>>& prgRomHandlers = _console->GetCartridge()->GetPrgRomHandlers();
vector<unique_ptr<IMemoryHandler>>& prgRomHandlers = _cart->GetPrgRomHandlers();
uint32_t dataRomSize = ((uint32_t)prgRomHandlers.size() - 0x100);
uint32_t dataRomSize = _realDataRomSize >> 12;
for(int i = 0; i < 3; i++) {
mappings->RegisterHandler(0xD0 + (i * 0x10), 0xDF + (i * 0x10), 0x0000, 0xFFFF, prgRomHandlers, 0, 0x100 + ((_dataRomBanks[i] * 0x100) % dataRomSize));
}
@ -307,16 +317,13 @@ void Spc7110::ProcessDivision()
uint8_t Spc7110::ReadDataRom(uint32_t addr)
{
uint32_t size = 1 << (_dataRomSize & 0x03);
uint32_t mask = 0x100000 * size - 1;
if((_dataRomSize & 0x03) != 0x03 && (addr & 0x400000)) {
uint32_t configSize = 0x100000 * (1 << (_dataRomSize & 0x03));
uint32_t dataRomSize = std::min(configSize, _realDataRomSize);
if(addr >= dataRomSize) {
return 0x00;
}
uint32_t realDataRomSize = _console->GetCartridge()->DebugGetPrgRomSize() - 0x100000;
mask = std::min(mask, realDataRomSize - 1);
return _console->GetCartridge()->DebugGetPrgRom()[0x100000 + (addr & mask)];
return _cart->DebugGetPrgRom()[0x100000 + addr];
}
void Spc7110::FillReadBuffer()

3
Core/Spc7110.h
View file

@ -7,6 +7,7 @@
class Console;
class Spc7110Decomp;
class IMemoryHandler;
class BaseCartridge;
class Spc7110 : public BaseCoprocessor
{
@ -16,7 +17,9 @@ private:
IMemoryHandler* _cpuRegisterHandler = nullptr;
Console* _console = nullptr;
BaseCartridge* _cart = nullptr;
bool _useRtc = false;
uint32_t _realDataRomSize = 0;
//Decomp
uint32_t _directoryBase = 0;