mirror of https://github.com/bsnes-emu/bsnes.git
77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
struct PPU : Thread, public PPUcounter {
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uint8 vram[128 * 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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#include "memory/memory.hpp"
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#include "mmio/mmio.hpp"
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#include "render/render.hpp"
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uint32* surface;
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uint32* output;
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unsigned ppu1_version = 1;
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unsigned ppu2_version = 3;
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static void Enter();
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void add_clocks(unsigned clocks);
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uint8 region;
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unsigned line;
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enum { NTSC = 0, PAL = 1 };
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enum { BG1 = 0, BG2 = 1, BG3 = 2, BG4 = 3, OAM = 4, BACK = 5, COL = 5 };
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enum { SC_32x32 = 0, SC_64x32 = 1, SC_32x64 = 2, SC_64x64 = 3 };
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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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struct {
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//$2101
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uint8 oam_basesize;
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uint8 oam_nameselect;
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uint16 oam_tdaddr;
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//$210d-$210e
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uint16 m7_hofs, m7_vofs;
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//$211b-$2120
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uint16 m7a, m7b, m7c, m7d, m7x, m7y;
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} cache;
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alwaysinline bool interlace() const { return display.interlace; }
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alwaysinline bool overscan() const { return display.overscan; }
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alwaysinline bool hires() const { return (regs.pseudo_hires || regs.bg_mode == 5 || regs.bg_mode == 6); }
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uint16 mosaic_table[16][4096];
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void render_line();
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void update_oam_status();
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//required functions
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void scanline();
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void render_scanline();
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void frame();
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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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bool layer_enabled[5][4];
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void layer_enable(unsigned layer, unsigned priority, bool enable);
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unsigned frameskip;
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unsigned framecounter;
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void set_frameskip(unsigned frameskip);
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void serialize(serializer&);
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PPU();
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~PPU();
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};
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extern PPU ppu;
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