mirror of https://github.com/bsnes-emu/bsnes.git
82 lines
1.5 KiB
C++
82 lines
1.5 KiB
C++
#include "video.hpp"
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struct PPU : Thread, IO {
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static auto Enter() -> void;
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auto main() -> void;
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auto scanline() -> void;
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auto frame() -> void;
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auto step(uint clocks) -> void;
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auto power() -> void;
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auto portRead(uint16 addr) -> uint8 override;
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auto portWrite(uint16 addr, uint8 data) -> void override;
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uint16 output[224 * 144] = {0};
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struct Status {
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uint vclk;
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uint hclk;
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} status;
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struct Registers {
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//$0000 DISP_CTRL
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bool screenTwoWindowEnable;
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bool screenTwoWindowMode;
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bool spriteWindowEnable;
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bool spriteEnable;
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bool screenTwoEnable;
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bool screenOneEnable;
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//$0001 BACK_COLOR
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uint4 backColorIndex;
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uint4 backColorPalette;
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//$0004 SPR_BASE
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uint6 spriteBase;
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//$0005 SPR_FIRST
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uint7 spriteFirst;
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//$0006 SPR_COUNT
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uint8 spriteCount; //0 - 128
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//$0007 MAP_BASE
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uint4 screenTwoMapBase;
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uint4 screenOneMapBase;
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//$0010 SCR1_X
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uint8 scrollOneX;
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//$0011 SCR1_Y
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uint8 scrollOneY;
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//$0012 SCR2_X
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uint8 scrollTwoX;
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//$0013 SCR2_Y
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uint8 scrollTwoY;
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//$0014 LCD_CTRL
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uint8 control;
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//$0015 LCD_ICON
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bool iconAux3;
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bool iconAux2;
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bool iconAux1;
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bool iconHorizontal;
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bool iconVertical;
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bool iconSleep;
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//$001c-001f PALMONO_POOL
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uint4 monoPool[8];
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//$0060 DISP_MODE
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bool bpp;
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bool color;
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bool format;
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uint5 u0060; //unknown purpose
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} r;
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};
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extern PPU ppu;
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