mirror of https://github.com/bsnes-emu/bsnes.git
203 lines
4.8 KiB
C++
203 lines
4.8 KiB
C++
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struct {
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//open bus support
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uint8 ppu1_mdr, ppu2_mdr;
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//bg line counters
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uint16 bg_y[4];
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//internal state
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uint16 ioamaddr;
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uint16 icgramaddr;
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//$2100
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bool display_disabled;
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uint8 display_brightness;
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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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//$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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uint8 oam_firstsprite;
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//$2104
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uint8 oam_latchdata;
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//$2105
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bool bg_tilesize[4];
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bool bg3_priority;
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uint8 bg_mode;
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//$2106
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uint8 mosaic_size;
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bool mosaic_enabled[4];
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uint16 mosaic_countdown;
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//$2107-$210a
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uint16 bg_scaddr[4];
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uint8 bg_scsize[4];
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//$210b-$210c
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uint16 bg_tdaddr[4];
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//$210d-$2114
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uint8 bg_ofslatch;
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uint16 m7_hofs, m7_vofs;
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uint16 bg_hofs[4];
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uint16 bg_vofs[4];
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//$2115
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bool vram_incmode;
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uint8 vram_mapping;
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uint8 vram_incsize;
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//$2116-$2117
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uint16 vram_addr;
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//$211a
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uint8 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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uint8 m7_latch;
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uint16 m7a, m7b, m7c, m7d, m7x, m7y;
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//$2121
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uint16 cgram_addr;
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//$2122
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uint8 cgram_latchdata;
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//$2123-$2125
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bool window1_enabled[6];
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bool window1_invert [6];
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bool window2_enabled[6];
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bool window2_invert [6];
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//$2126-$2129
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uint8 window1_left, window1_right;
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uint8 window2_left, window2_right;
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//$212a-$212b
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uint8 window_mask[6];
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//$212c-$212d
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bool bg_enabled[5], bgsub_enabled[5];
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//$212e-$212f
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bool window_enabled[5], sub_window_enabled[5];
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//$2130
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uint8 color_mask, colorsub_mask;
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bool addsub_mode;
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bool direct_color;
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//$2131
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bool color_mode, color_halve;
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bool color_enabled[6];
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//$2132
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uint8 color_r, color_g, color_b;
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uint16 color_rgb;
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//$2133
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//overscan and interlace are checked once per frame to
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//determine if entire frame should be interlaced/non-interlace
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//and overscan adjusted. therefore, the variables act sort of
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//like a buffer, but they do still affect internal rendering
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bool mode7_extbg;
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bool pseudo_hires;
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bool overscan;
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uint16 scanlines;
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bool oam_interlace;
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bool interlace;
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//$2137
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uint16 hcounter, vcounter;
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bool latch_hcounter, latch_vcounter;
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bool counters_latched;
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//$2139-$213a
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uint16 vram_readbuffer;
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//$213e
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bool time_over, range_over;
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uint16 oam_itemcount, oam_tilecount;
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} regs;
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void mmio_w2100(uint8 value); //INIDISP
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void mmio_w2101(uint8 value); //OBSEL
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void mmio_w2102(uint8 value); //OAMADDL
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void mmio_w2103(uint8 value); //OAMADDH
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void mmio_w2104(uint8 value); //OAMDATA
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void mmio_w2105(uint8 value); //BGMODE
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void mmio_w2106(uint8 value); //MOSAIC
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void mmio_w2107(uint8 value); //BG1SC
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void mmio_w2108(uint8 value); //BG2SC
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void mmio_w2109(uint8 value); //BG3SC
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void mmio_w210a(uint8 value); //BG4SC
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void mmio_w210b(uint8 value); //BG12NBA
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void mmio_w210c(uint8 value); //BG34NBA
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void mmio_w210d(uint8 value); //BG1HOFS
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void mmio_w210e(uint8 value); //BG1VOFS
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void mmio_w210f(uint8 value); //BG2HOFS
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void mmio_w2110(uint8 value); //BG2VOFS
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void mmio_w2111(uint8 value); //BG3HOFS
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void mmio_w2112(uint8 value); //BG3VOFS
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void mmio_w2113(uint8 value); //BG4HOFS
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void mmio_w2114(uint8 value); //BG4VOFS
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void mmio_w2115(uint8 value); //VMAIN
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void mmio_w2116(uint8 value); //VMADDL
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void mmio_w2117(uint8 value); //VMADDH
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void mmio_w2118(uint8 value); //VMDATAL
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void mmio_w2119(uint8 value); //VMDATAH
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void mmio_w211a(uint8 value); //M7SEL
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void mmio_w211b(uint8 value); //M7A
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void mmio_w211c(uint8 value); //M7B
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void mmio_w211d(uint8 value); //M7C
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void mmio_w211e(uint8 value); //M7D
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void mmio_w211f(uint8 value); //M7X
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void mmio_w2120(uint8 value); //M7Y
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void mmio_w2121(uint8 value); //CGADD
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void mmio_w2122(uint8 value); //CGDATA
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void mmio_w2123(uint8 value); //W12SEL
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void mmio_w2124(uint8 value); //W34SEL
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void mmio_w2125(uint8 value); //WOBJSEL
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void mmio_w2126(uint8 value); //WH0
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void mmio_w2127(uint8 value); //WH1
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void mmio_w2128(uint8 value); //WH2
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void mmio_w2129(uint8 value); //WH3
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void mmio_w212a(uint8 value); //WBGLOG
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void mmio_w212b(uint8 value); //WOBJLOG
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void mmio_w212c(uint8 value); //TM
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void mmio_w212d(uint8 value); //TS
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void mmio_w212e(uint8 value); //TMW
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void mmio_w212f(uint8 value); //TSW
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void mmio_w2130(uint8 value); //CGWSEL
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void mmio_w2131(uint8 value); //CGADDSUB
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void mmio_w2132(uint8 value); //COLDATA
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void mmio_w2133(uint8 value); //SETINI
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uint8 mmio_r2134(); //MPYL
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uint8 mmio_r2135(); //MPYM
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uint8 mmio_r2136(); //MPYH
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uint8 mmio_r2137(); //SLHV
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uint8 mmio_r2138(); //OAMDATAREAD
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uint8 mmio_r2139(); //VMDATALREAD
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uint8 mmio_r213a(); //VMDATAHREAD
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uint8 mmio_r213b(); //CGDATAREAD
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uint8 mmio_r213c(); //OPHCT
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uint8 mmio_r213d(); //OPVCT
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uint8 mmio_r213e(); //STAT77
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uint8 mmio_r213f(); //STAT78
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uint8 mmio_read(unsigned addr);
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void mmio_write(unsigned addr, uint8 data);
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void latch_counters();
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