69 lines
No EOL
1.3 KiB
C++
69 lines
No EOL
1.3 KiB
C++
#pragma once
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#include "stdafx.h"
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#include "PpuTypes.h"
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class Console;
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class Ppu
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{
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public:
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constexpr static uint32_t SpriteRamSize = 544;
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constexpr static uint32_t CgRamSize = 512;
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constexpr static uint32_t VideoRamSize = 0x10000;
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private:
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shared_ptr<Console> _console;
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uint16_t _cycle = 0;
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uint16_t _scanline = 0;
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uint32_t _frameCount = 0;
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bool _nmiFlag = false;
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bool _enableNmi = false;
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bool _irqFlag = false;
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bool _enableHorizontalIrq = false;
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bool _enableVerticalIrq = false;
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uint16_t _horizontalTimer = 0x1FF;
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uint16_t _verticalTimer = 0x1FF;
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uint8_t _bgMode = 0;
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LayerConfig _layerConfig[4];
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uint8_t *_vram;
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uint16_t _vramAddress;
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uint8_t _vramIncrementValue;
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uint8_t _vramAddressRemapping;
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bool _vramAddrIncrementOnSecondReg;
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uint8_t _multOperand1 = 0;
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uint8_t _multOperand2 = 0;
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uint16_t _multResult = 0;
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uint16_t _cgramAddress;
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uint8_t _cgram[Ppu::CgRamSize];
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uint8_t _spriteRam[Ppu::SpriteRamSize];
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uint16_t *_outputBuffers[2];
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uint16_t *_currentBuffer;
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void RenderTilemap(LayerConfig & config, uint8_t bpp);
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public:
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Ppu(shared_ptr<Console> console);
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~Ppu();
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PpuState GetState();
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void Exec();
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void SendFrame();
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uint8_t* GetVideoRam();
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uint8_t* GetCgRam();
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uint8_t* GetSpriteRam();
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uint8_t Read(uint16_t addr);
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void Write(uint32_t addr, uint8_t value);
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}; |