mirror of
https://github.com/Ed94/pikuma_ps1.git
synced 2026-06-01 18:41:13 -07:00
95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
#ifdef INTELLISENSE_DIRECTIVES
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# pragma once
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# include "dsl.h"
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# include "math.h"
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#endif
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typedef def_enum(U32, gp_Commands) {
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gcmd_Reset = 0b000,
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gcmd_Polygon = 0b001,
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gcmd_Line = 0b010,
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gcmd_Rect = 0b011,
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gcmd_VM_to_VM = 0b100,
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gcmd_CPU_to_VM = 0b101,
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gcmd_VM_to_CPU = 0b110,
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gcmd_Environment = 0b111,
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gcmd_SetDrawMode = 0xE1,
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gcmd_SetTextureWindow = 0xE2,
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gcmd_SetDrawArea_TopLeft = 0xE3,
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gcmd_SetDrawArea_BotRight = 0xE4,
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gcmd_SetDrawOffset = 0xE5,
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gcmd_SetMaskBit = 0xE6,
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gcmd_ResetCommandBuffer = 0x01,
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gcmd_AcknowledgeGPUInterrupt = 0x02,
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gcmd_DisplayEnable = 0x03,
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gcmd_DMA_Request = 0x04,
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gcmd_DispArea_Start = 0x05,
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gcmd_HorizontalDisplayRange = 0x06,
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gcmd_VerticalDisplayRange = 0x07,
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gcmd_DisplayMode = 0x08,
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gcmd_SetVramSize = 0x09,
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};
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#define gpio_port0 0x1810
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#define gpio_port1 0x1814
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#define gcmd_offset 24
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#define gp_Reset (gcmd_Reset << gcmd_offset)
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#define gp_DisplayEnabled (gcmd_DisplayEnable << gcmd_offset | 0x0)
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#define gp_DisplayDisabled (gcmd_DisplayEnable << gcmd_offset | 0x1)
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#define gp_DMA_FIFO 1
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#define gp_DMA_CPU_to_GPU 2
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#define gp_DMA_GPU_to_CPU 3
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#define gp_DMA_Request (gcmd_DMA_Request << gcmd_offset)
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#define gp_HorizontalDisplayRange_3168_608 (gcmd_HorizontalDisplayRange << gcmd_offset | 0xC60 << 12 | 0x260)
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#define gp_VerticalDiplayRange (gcmd_VerticalDisplayRange << gcmd_offset)
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#define gp_VerticalDisplayRange_264_24 (gp_VerticalDiplayRange | 264 << 10 | 24)
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#define gp_VerticalDisplayRange_504_24 (gp_VerticalDiplayRange | 504 << 10 | 24)
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#define gp_DisplayMode (gcmd_DisplayMode << gcmd_offset)
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#define gp_Disp_HRes_256 (0x0)
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#define gp_Disp_HRes_320 (0x1)
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#define gp_Disp_HRes_512 (0x2)
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#define gp_Disp_HRes_640 (0x3)
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#define gp_Disp_VRes_240 (0x0 << 2)
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#define gp_Disp_VRes_480 (0x1 << 2)
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#define gp_Disp_Color15 (0x0 << 4)
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#define gp_Disp_Color24 (0x1 << 4)
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#define gp_Disp_VInterlace (0x1 << 5)
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#define gp_DisplayMode_320x240_15bit_NTSC (gp_DisplayMode | gp_Disp_HRes_320 | gp_Disp_VRes_240 | gp_Disp_Color15)
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#define gp_DisplayMOde_640x480_24bbp_NTSC (gp_DisplayMode | gp_Disp_HRes_640 | gp_Disp_VRes_480 | gp_Disp_Color24 | gp_Disp_VInterlace)
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#define gp_DrawMode_DrawAllowed 10
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#define gp_SetDrawMode_DrawAllowed (gcmd_SetDrawMode << gcmd_offset | 0x1 << gp_DrawMode_DrawAllowed)
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#define gp_SetArea_TopLeft (gcmd_SetDrawArea_TopLeft << gcmd_offset)
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#define gp_SetArea_BottomRight (gcmd_SetDrawArea_BotRight << gcmd_offset)
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typedef def_struct(RGB8) { BYTE r; BYTE g; BYTE b; };
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#define rgba8(r, g, b) (RGB8){ r, g, b }
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typedef BYTE gp_Pixel16[1];
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typedef BYTE gp_Pixel24[3];
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#define gp_b10_X 0
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#define gp_b10_Y 10
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#define gp_b16_X 0
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#define gp_b16_Y 16
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typedef def_struct(gp_Vec2) { U16 y; U16 x; };
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#if 1
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void gp_screen_init(void) __asm__("gp_screen_init_asm");
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#else
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#define gp_screen_init() gp_screen_init_c11()
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#endif
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