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cc65/libsrc/pce/clrscr.s
2015-08-29 15:58:57 +02:00

33 lines
607 B
ArmAsm

.include "pce.inc"
.export _clrscr
_clrscr:
st0 #VDC_MAWR
st1 #<$0000
st2 #>$0000
st0 #VDC_VWR
ldy #$40
rowloop:
ldx #$80
colloop:
lda #' '
sta a:VDC_DATA_LO
lda #$02
sta a:VDC_DATA_HI
dex
bne colloop
dey
bne rowloop
rts
;-------------------------------------------------------------------------------
; force the init constructor to be imported
.import initconio
conio_init = initconio