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- .START = 0x80
- .SELECT = 0x40
- .B = 0x20
- .A = 0x10
- .DOWN = 0x08
- .UP = 0x04
- .LEFT = 0x02
- .RIGHT = 0x01
-
- .SCREENWIDTH = 0xA0
- .SCREENHEIGHT = 0x90
- .MINWNDPOSX = 0x07
- .MINWNDPOSY = 0x00
- .MAXWNDPOSX = 0xA5 ; Should be 0xA7, but it seems 0xA5 is the limit
- .MAXWNDPOSY = 0x8F
-
- .VBL_IFLAG = 0x01
- .LCD_IFLAG = 0x02
- .TIM_IFLAG = 0x04
- .SIO_IFLAG = 0x08
- .JOY_IFLAG = 0x10
-
- .JOYPAD = 0x00 ; Joystick: 1.1.P15.P14.P13.P12.P11.P10
- .SIODATA = 0x01 ; Serial IO data buffer
- .SIOCONT = 0x02 ; Serial IO control register
- .DIVREG = 0x04 ; Divider register (???)
- .TIMECNT = 0x05 ; Timer counter. Gen. int. when it overflows
- .TIMEMOD = 0x06 ; New value of TimeCount after it overflows
- .TIMEFRQ = 0x07 ; Timer frequency and start/stop switch
- .IFLAGS = 0x0F ; Interrupt flags: 0.0.0.JST.SIO.TIM.LCD.VBL
- .ISWITCH = 0xFF ; Switches to enable/disable interrupts
- .LCDCONT = 0x40 ; LCD control register
- .LCDSTAT = 0x41 ; LCD status register
- .SCROLLY = 0x42 ; Starting Y position of the background
- .SCROLLX = 0x43 ; Starting X position of the background
- .CURLINE = 0x44 ; Current screen line being scanned
- .CMPLINE = 0x45 ; Gen. int. when scan reaches this line
- .DMA = 0x46 ; DMA transfer
- .BGRDPAL = 0x47 ; Background palette
- .SPR0PAL = 0x48 ; Sprite palette #0
- .SPR1PAL = 0x49 ; Sprite palette #1
- .WNDPOSY = 0x4A ; Window Y position
- .WNDPOSX = 0x4B ; Window X position
-
- .G_MODE = 0x01
- .T_MODE = 0x02
-
- .MODE_TABLE = 0x01E0
-
- .globl .OAM
- .globl .mode
-
- .globl .set_mode
- .globl .padup
- .globl .jpad
- .globl .wait_pad
- .globl .wait_vbl
- .globl .delay_ns
- .globl .delay_ms
- .globl .white
- .globl .black
- .globl .std_pal
- .globl .init_tiles
- .globl .mv_tiles
- .globl .init_btt
- .globl .set_btt
- .globl .set_xy_btt
- .globl .init_wtt
- .globl .set_wtt
- .globl .set_xy_wtt
- .globl .mv_sprite
- .globl .set_sprite
- .globl .prop_sprite
- .globl .refresh_OAM
-