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definition prep (still exploring..)

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Edward R. Gonzalez
2025-08-07 01:53:15 -04:00
parent 8b252c4e68
commit 046800b9d8
13 changed files with 247 additions and 69 deletions
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code/graphics_hello_psyq/hello_gpu.s
+58
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@@ -1,9 +1,67 @@
// .include "./toolchain/pcsx-redux/src/mips/common/crt0/crt0.s"
.include "./asmdd/dsl.s"
.include "./asmdd/math.s"
.include "./asmdd/io.s"
.include "./asmdd/gp.s"
# DrawEnv_Packed { U32 tag; U32 code[15]; }
.equ DrawEnv_Packed_tag, 0
.equ DrawEnv_Packed_code, 4
.equ sizeof_DrawEnv_Packed, 64
# DrawEnv {
# Rect_S16 clip_area;
# A2_S16 drawwing_offset;
# Rect_S16 texture_page;
# BYTE flag_dither;
# BYTE flag_draw_on_display;
# BYTE enable_auto_clear;
# RGB8 initial_bg_color;
# // 2 bytes padding
# DrawEnv_Packed dr_env;
# };
.equ DrawEnv_clip_area, 0
.equ DrawEnv_drawwing_offset, 8
.equ DrawEnv_texture_page, 12
.equ DrawEnv_flag_dither, 20
.equ DrawEnv_flag_draw_on_display, 21
.equ DrawEnv_enable_auto_clear, 22
.equ DrawEnv_initial_bg_color, 23
.equ DrawEnv_dr_env, 28
.equ sizeof_DrawEnv, 92
# DisplayEnv {
# Rect_S16 display_area;
# Rect_S16 screen;
# BYTE vinterlace;
# BYTE color24;
# BYTE pad0;
# BYTE pad1;
# };
.equ DisplayEnv_display_area, 0
.equ DisplayEnv_screen, 8
.equ DisplayEnv_vinterlace, 16
.equ DisplayEnv_color24, 17
.equ DisplayEnv_pad0, 18
.equ DisplayEnv_pad1, 19
.equ sizeof_DisplayEnv, 20
# DoubleBuffer {
# DrawEnv draw[2];
# DisplayEnv display[2];
# };
.equ DoubleBuffer_draw, 0
.equ DoubleBuffer_draw_0, 0
.equ DoubleBuffer_draw_1, 92 # 0 + sizeof_DrawEnv
.equ DoubleBuffer_display, 184 # 92 * 2
.equ DoubleBuffer_display_0, 184
.equ DoubleBuffer_display_1, 204 # 184 + sizeof_DisplayEnv
.equ sizeof_DoubleBuffer, 224
# Screen Constants
.equ ScreenRes_X, 320
.equ ScreenRes_Y, 240
.equ ScreenRes_CenterX, (ScreenRes_X >> 2)
.equ ScreenRes_CenterY, (ScreenRes_Y >> 2)
.global gp_screen_init
.type gp_screen_init, @function
gp_screen_init: