2016-11-10 22:45:20 +00:00
|
|
|
#pragma once
|
|
|
|
|
#include "stdafx.h"
|
|
|
|
|
#include "BaseMapper.h"
|
|
|
|
|
|
|
|
|
|
class BmcNtd03 : public BaseMapper
|
|
|
|
|
{
|
|
|
|
|
protected:
|
|
|
|
|
uint16_t GetPRGPageSize() override { return 0x4000; }
|
|
|
|
|
uint16_t GetCHRPageSize() override { return 0x2000; }
|
|
|
|
|
|
|
|
|
|
void InitMapper() override
|
|
|
|
|
{
|
|
|
|
|
}
|
|
|
|
|
|
2016-12-18 04:14:47 +00:00
|
|
|
void Reset(bool softReset) override
|
2016-11-10 22:45:20 +00:00
|
|
|
{
|
|
|
|
|
BaseMapper::Reset(softReset);
|
|
|
|
|
WriteRegister(0x8000, 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void WriteRegister(uint16_t addr, uint8_t value) override
|
|
|
|
|
{
|
|
|
|
|
uint8_t prg = ((addr >> 10) & 0x1E);
|
|
|
|
|
uint8_t chr= ((addr & 0x0300) >> 5) | (addr & 0x07);
|
|
|
|
|
if(addr & 0x80) {
|
|
|
|
|
SelectPRGPage(0, prg | ((addr >> 6) & 1));
|
|
|
|
|
SelectPRGPage(1, prg | ((addr >> 6) & 1));
|
|
|
|
|
} else {
|
|
|
|
|
SelectPrgPage2x(0, prg & 0xFE);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
SelectCHRPage(0, chr);
|
|
|
|
|
SetMirroringType(addr & 0x400 ? MirroringType::Horizontal : MirroringType::Vertical);
|
|
|
|
|
}
|
|
|
|
|
};
|
