mirror of https://github.com/bsnes-emu/bsnes.git
96 lines
1.5 KiB
C++
Executable File
96 lines
1.5 KiB
C++
Executable File
public:
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uint8 mmio_read(unsigned addr);
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void mmio_write(unsigned addr, uint8 data);
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private:
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struct Regs {
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//internal
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uint8 ppu1_mdr;
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uint8 ppu2_mdr;
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uint16 vram_readbuffer;
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uint8 oam_latchdata;
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uint8 cgram_latchdata;
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uint8 bgofs_latchdata;
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uint8 mode7_latchdata;
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bool counters_latched;
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bool latch_hcounter;
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bool latch_vcounter;
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//$2100
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bool display_disable;
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unsigned display_brightness;
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//$2102-$2103
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uint16 oam_baseaddr;
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uint16 oam_addr;
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bool oam_priority;
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//$2105
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bool bg3_priority;
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unsigned bgmode;
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//$210d
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uint16 mode7_hoffset;
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//$210e
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uint16 mode7_voffset;
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//$2115
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bool vram_incmode;
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unsigned vram_mapping;
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unsigned vram_incsize;
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//$2116-$2117
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uint16 vram_addr;
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//$211a
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unsigned mode7_repeat;
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bool mode7_vflip;
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bool mode7_hflip;
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//$211b-$2120
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uint16 m7a;
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uint16 m7b;
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uint16 m7c;
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uint16 m7d;
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uint16 m7x;
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uint16 m7y;
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//$2121
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uint16 cgram_addr;
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//$2126-$212a
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unsigned window_one_left;
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unsigned window_one_right;
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unsigned window_two_left;
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unsigned window_two_right;
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//$2133
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bool mode7_extbg;
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bool pseudo_hires;
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bool overscan;
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bool interlace;
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//$213c
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uint16 hcounter;
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//$213d
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uint16 vcounter;
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} regs;
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uint16 get_vram_addr();
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uint8 vram_read(unsigned addr);
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void vram_write(unsigned addr, uint8 data);
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uint8 oam_read(unsigned addr);
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void oam_write(unsigned addr, uint8 data);
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uint8 cgram_read(unsigned addr);
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void cgram_write(unsigned addr, uint8 data);
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void mmio_update_video_mode();
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void mmio_reset();
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