7de782b486
Added support for $4016 addressing for the EPSG Added ui element to enable EPSG, remains to be implemented
53 lines
No EOL
1.1 KiB
C++
53 lines
No EOL
1.1 KiB
C++
#pragma once
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#include "stdafx.h"
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#include "BaseMapper.h"
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#include "CPU.h"
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#include "EPSGAudio.h"
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using AudioClass = EPSGAudio;
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class AXROM : public BaseMapper
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{
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public:
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unique_ptr<AudioClass> _audio;
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void ProcessCpuClock() override
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{
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_audio->Clock();
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}
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protected:
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virtual uint16_t GetPRGPageSize() override { return 0x8000; }
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virtual uint16_t GetCHRPageSize() override { return 0x2000; }
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void InitMapper() override
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{
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SelectCHRPage(0, 0);
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WriteRegister(0, GetPowerOnByte());
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_audio.reset(new AudioClass(_console));
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}
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virtual void StreamState(bool saving) override
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{
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BaseMapper::StreamState(saving);
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SnapshotInfo audio{ _audio.get() };
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Stream(audio);
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}
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bool HasBusConflicts() override { return _romInfo.SubMapperID == 2; }
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void WriteRegister(uint16_t addr, uint8_t value) override
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{
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SelectPRGPage(0, value & 0x0F);
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SetMirroringType(((value & 0x10) == 0x10) ? MirroringType::ScreenBOnly : MirroringType::ScreenAOnly);
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}
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void WriteEPSG(uint16_t addr, uint8_t value) override
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{
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switch (addr & 0x4016) {
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case 0x4016:
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_audio->WriteRegister(addr, value);
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break;
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}
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}
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}; |