75 lines
1.5 KiB
C++
75 lines
1.5 KiB
C++
struct PPU : public Processor, public PPUcounter {
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uint8 *vram; //[64 * 1024];
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uint8 *oam; //[544];
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uint8 *cgram; //[512];
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enum : bool { Threaded = true };
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alwaysinline void step(unsigned clocks);
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alwaysinline void synchronize_cpu();
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void latch_counters();
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bool interlace() const;
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bool overscan() const;
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bool hires() const;
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void enter();
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void enable();
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void power();
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void reset();
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void layer_enable(unsigned layer, unsigned priority, bool enable);
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void serialize(serializer&);
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void initialize();
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PPU();
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~PPU();
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privileged:
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uint32 *surface;
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uint32 *output;
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uint8 ppu1_version;
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uint8 ppu2_version;
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struct {
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bool interlace;
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bool overscan;
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} display;
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#include "background/background.hpp"
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#include "mmio/mmio.hpp"
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#include "screen/screen.hpp"
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#include "sprite/sprite.hpp"
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#include "window/window.hpp"
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Background bg1;
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Background bg2;
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Background bg3;
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Background bg4;
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Sprite sprite;
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Window window;
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Screen screen;
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static void Enter();
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void add_clocks(unsigned);
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void scanline();
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void frame();
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friend class PPU::Background;
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friend class PPU::Sprite;
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friend class PPU::Window;
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friend class PPU::Screen;
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friend class Video;
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struct Debugger {
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hook<void (uint16)> vram_read;
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hook<void (uint16)> oam_read;
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hook<void (uint16)> cgram_read;
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hook<void (uint16, uint8)> vram_write;
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hook<void (uint16, uint8)> oam_write;
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hook<void (uint16, uint8)> cgram_write;
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} debugger;
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};
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extern PPU ppu;
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