definition prep (still exploring..)

2026-06-01 18:41:13 -07:00 · 2025-08-07 01:53:15 -04:00
parent 8b252c4e68
commit 046800b9d8
13 changed files with 247 additions and 69 deletions
@@ -0,0 +1,40 @@
+#ifdef INTELLISENSE_DIRECTIVES
+#	pragma once
+#	include "duffle/dsl.h"
+#	include "duffle/math.h"
+#	include "duffle/gp.h"
+#endif
+
+typedef def_struct(DrawEnv_Packed) { U32 tag; U32 code[15]; };
+typedef def_struct(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;
+	DrawEnv_Packed dr_env; // reserved
+};
+typedef def_struct(DisplayEnv) {
+	Rect_S16 display_area;
+	Rect_S16 screen;
+	BYTE     vinterlace;
+	BYTE     color24;
+	BYTE     pad0;
+	BYTE     pad1;
+};
+typedef def_farray(DrawEnv,    2);
+typedef def_farray(DisplayEnv, 2);
+typedef def_struct(DoubleBuffer) {
+	A2_DrawEnv    draw;
+	A2_DisplayEnv display;
+};
+
+#define ScreenRes_X 320
+#define ScreenRes_Y 240
+#define ScreenRes_CenterX (ScreenRes_X >> 1)
+#define ScreenRes_CenterY (ScreenRes_Y >> 1)
+
+extern DoubleBuffer screen_buffer;
+extern S16          active_screen_buffer;