mirror of
https://github.com/Ed94/pikuma_ps1.git
synced 2026-06-01 18:41:13 -07:00
76 lines
3.6 KiB
ArmAsm
76 lines
3.6 KiB
ArmAsm
.psx
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.create "./build/hello_gp_routines.bin", 0x80010000
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.include "./code/graphics_hello/dsl.s"
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.include "./code/graphics_hello/gp.s"
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; Entry Point of Code
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.org 0x80010000
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Color_RedFF equ 0x0000FF
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Color_22 equ 0x222222
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Color_PS_CadmiumRed equ 0x2400DF
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Color_PS_CelticBlue equ 0x723F00
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Color_PS_GoldenPoppy equ 0x00C3F3
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Color_PS_PersianGreen equ 0x9FAC00
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Display_Width equ 320
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Display_Height equ 239
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Display_HalfWidth equ 320 / 2
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Display_HalfHeight equ 240 / 2
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main:
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reg_io_offset equ rtmp_0
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load_uimm rtmp_0, IO_BASE_ADDR
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gp0 equ gpio_port0(reg_io_offset)
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gp1 equ gpio_port1(reg_io_offset)
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; Setup Display Control
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gcmd_push gp1, rtmp_1, gp_Reset
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gcmd_push gp1, rtmp_1, gp_DisplayEnabled
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gcmd_push gp1, rtmp_1, gp_DisplayMode_320x240_15bit_NTSC
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gcmd_push gp1, rtmp_1, gp_HorizontalDisplayRange_3168_608
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gcmd_push gp1, rtmp_1, gp_VerticalDisplayRange_264_24
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gcmd_push gp0, rtmp_1, gp_ModeSetting_DipArea
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gcmd_push gp0, rtmp_1, gp_SetArea_TopLeft | 0 << gp_b10_Y | 0 << gp_b10_X
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gcmd_push gp0, rtmp_1, gp_SetArea_BottomRight | Display_Height << gp_b10_Y | Display_Width << gp_b10_X
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gcmd_push gp0, rtmp_1, gp_SetOffset | 0 << gp_b10_Y | 0 << gp_b10_X
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gcmd_push gp0, rtmp_1, gp_RectFillVM | Color_22
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gcmd_push gp0, rtmp_1, 0 << gp_b16_Y | 0 << gp_b16_X
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gcmd_push gp0, rtmp_1, Display_Height << gp_b16_Y | Display_Width << gp_b16_X
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; Draw a flat-shaded quad
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gcmd_push gp0, rtmp_1, gp_Quad | Color_PS_CelticBlue
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gcmd_push gp0, rtmp_1, 15 * -1 + Display_HalfHeight << gp_b16_Y | 0 + Display_HalfWidth << gp_b16_X
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gcmd_push gp0, rtmp_1, 24 * -1 + Display_HalfHeight << gp_b16_Y | 100 + Display_HalfWidth << gp_b16_X
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gcmd_push gp0, rtmp_1, -30 * -1 + Display_HalfHeight << gp_b16_Y | -100 + Display_HalfWidth << gp_b16_X
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gcmd_push gp0, rtmp_1, -50 * -1 + Display_HalfHeight << gp_b16_Y | 55 + Display_HalfWidth << gp_b16_X
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; Draw a flat-shaded triangle
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stack_alloc gp_draw_tri_flat__sp_size ; (used for following call)
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move rarg_0, reg_io_offset ; (used for following call)
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load_imm rarg_1, Color_PS_GoldenPoppy
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load_imm rarg_2, 100 * -1 + Display_HalfHeight << gp_b16_Y | -100 + Display_HalfWidth << gp_b16_X :: sw rarg_2, 0 * gp_vec2($sp)
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load_imm rarg_2, 20 * -1 + Display_HalfHeight << gp_b16_Y | 20 + Display_HalfWidth << gp_b16_X :: sw rarg_2, 1 * gp_vec2($sp)
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load_imm rarg_2, 50 * -1 + Display_HalfHeight << gp_b16_Y | 30 + Display_HalfWidth << gp_b16_X :: sw rarg_2, 2 * gp_vec2($sp)
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jump_nlink gp_draw_tri_flat :: nop
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; Bonus traingle
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load_imm rarg_1, Color_PS_CadmiumRed
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load_imm rarg_2, 50 * -1 + Display_HalfHeight << gp_b16_Y | -100 + Display_HalfWidth << gp_b16_X :: sw rarg_2, 0 * gp_vec2($sp)
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load_imm rarg_2, 0 * -1 + Display_HalfHeight << gp_b16_Y | 20 + Display_HalfWidth << gp_b16_X :: sw rarg_2, 1 * gp_vec2($sp)
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load_imm rarg_2, -100 * -1 + Display_HalfHeight << gp_b16_Y | 30 + Display_HalfWidth << gp_b16_X :: sw rarg_2, 2 * gp_vec2($sp)
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jump_nlink gp_draw_tri_flat :: nop
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stack_release gp_draw_tri_flat__sp_size
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; Gourand shaded triangle
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load_imm rarg_1, Color_PS_PersianGreen
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load_imm rstatic_1, Color_PS_GoldenPoppy
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load_imm rstatic_2, Color_PS_CadmiumRed
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load_imm rarg_2, -35 * -1 + Display_HalfHeight << gp_b16_Y | 145 + Display_HalfWidth << gp_b16_X
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load_imm rarg_3, 0 * -1 + Display_HalfHeight << gp_b16_Y | 50 + Display_HalfWidth << gp_b16_X
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load_imm rstatic_0, 40 * -1 + Display_HalfHeight << gp_b16_Y | 60 + Display_HalfWidth << gp_b16_X
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jump_nlink gp_draw_tri_gouraud :: nop
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idle:
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jump idle :: nop
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.close
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