// .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
.equ DrawEnv_Packed_tag,    0
.equ DrawEnv_Packed_code,   4
.equ sizeof_DrawEnv_Packed, 64
# DrawEnv
.equ DrawEnv_clip_area,             0
.equ DrawEnv_drawing_offset,        8
.equ DrawEnv_texture_window,       12
.equ DrawEnv_texture_page,         20
.equ DrawEnv_flag_dither,          22
.equ DrawEnv_flag_draw_on_display, 23
.equ DrawEnv_enable_auto_clear,    24
.equ DrawEnv_initial_bg_color,     25
.equ DrawEnv_dr_env,               28
.equ sizeof_DrawEnv,               92
# DisplayEnv
.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
.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 >> 1)
.equ ScreenRes_CenterY, (ScreenRes_Y >> 1)



.global gp_screen_init
.type gp_screen_init, @function
gp_screen_init:
	.equiv rio_offset, rtmp_0
	load_imm rtmp_0, IO_BASE_ADDR
	#define gp0 gpio_port0(rio_offset)
	#define gp1 gpio_port1(rio_offset)

	gcmd_push gp1, rtmp_1, gp_Reset
	gcmd_push gp1, rtmp_1, gp_DisplayEnabled
	gcmd_push gp1, rtmp_1, gp_DisplayMode_320x240_15bit_NTSC
	gcmd_push gp1, rtmp_1, gp_HorizontalDisplayRange_3168_608
	gcmd_push gp1, rtmp_1, gp_VerticalDisplayRange_264_24

	jump_reg  rret_addr; nop

.Lgp_screen_init_end:
.size gp_screen_init, . - gp_screen_init

.global gp_display_frame
.type   gp_display_frame, @function
gp_display_frame:
	// TODO(Ed): Time to read docs

.Lgp_display_frame_end:
.size gp_display_frame, . - gp_display_frame