cscg22-gearboy

CSCG 2022 Challenge 'Gearboy'
git clone https://git.sinitax.com/sinitax/cscg22-gearboy
Log | Files | Refs | sfeed.txt

drawing_isr.s (372B)

      1	.include        "global.s"
      2
      3	.area _HOME
      4
      5.drawing_vbl::
      6	LDH	A,(.LCDC)
      7	OR	#LCDCF_BG8000	; Set BG Chr to 0x8000
      8	LDH	(.LCDC),A
      9
     10	LD	A,#72		; Set line at which LCD interrupt occurs
     11	LDH	(.LYC),A
     12
     13	RET
     14
     15	;; Is the STAT check required, as we are already in the HBL?
     16.drawing_lcd::
     17	WAIT_STAT
     18
     19	LDH	A,(.LCDC)
     20	AND	#~LCDCF_BG8000  ; Set BG Chr to 0x8800
     21	LDH	(.LCDC),A
     22
     23	RET