2015-09-27 16:12:25 +00:00
|
|
|
|
|
|
|
|
.export soft80_kclrscr
|
|
|
|
|
.import soft80_kplot
|
2015-09-28 14:10:11 +00:00
|
|
|
.import __bgcolor
|
2015-10-06 17:33:43 +00:00
|
|
|
.importzp ptr1
|
2015-09-27 16:12:25 +00:00
|
|
|
|
|
|
|
|
.include "c64.inc"
|
|
|
|
|
.include "soft80.inc"
|
|
|
|
|
|
|
|
|
|
soft80_kclrscr:
|
|
|
|
|
|
2015-10-06 17:33:43 +00:00
|
|
|
lda #<soft80_bitmap
|
|
|
|
|
sta ptr1
|
|
|
|
|
lda #>soft80_bitmap
|
|
|
|
|
sta ptr1+1
|
|
|
|
|
|
2015-09-27 16:12:25 +00:00
|
|
|
lda #$ff
|
|
|
|
|
|
2015-10-06 17:33:43 +00:00
|
|
|
ldx #$1f
|
|
|
|
|
@lp2:
|
|
|
|
|
ldy #0
|
|
|
|
|
@lp1:
|
|
|
|
|
sta (ptr1),y
|
|
|
|
|
iny
|
|
|
|
|
bne @lp1
|
|
|
|
|
inc ptr1+1
|
|
|
|
|
dex
|
|
|
|
|
bne @lp2
|
|
|
|
|
|
|
|
|
|
;ldx #$00
|
|
|
|
|
@lp3:
|
2015-10-01 15:16:02 +00:00
|
|
|
sta soft80_bitmap+$1e40,x
|
2015-09-27 16:12:25 +00:00
|
|
|
inx
|
2015-10-06 17:33:43 +00:00
|
|
|
bne @lp3
|
2015-09-27 16:12:25 +00:00
|
|
|
|
|
|
|
|
sei
|
|
|
|
|
ldy $01
|
|
|
|
|
lda #$34
|
|
|
|
|
sta $01
|
|
|
|
|
|
|
|
|
|
lda CHARCOLOR
|
|
|
|
|
and #$f0
|
|
|
|
|
ora __bgcolor
|
2015-10-06 17:33:43 +00:00
|
|
|
jsr clear ; clear vram
|
2015-09-27 16:12:25 +00:00
|
|
|
|
2015-10-06 17:33:43 +00:00
|
|
|
inc $01 ; -> $35
|
2015-09-27 16:12:25 +00:00
|
|
|
|
|
|
|
|
lda __bgcolor
|
2015-10-06 17:33:43 +00:00
|
|
|
jsr clear ; clear color ram
|
2015-09-27 16:12:25 +00:00
|
|
|
|
|
|
|
|
sty $01
|
|
|
|
|
cli
|
|
|
|
|
|
|
|
|
|
ldx #0
|
|
|
|
|
ldy #0
|
|
|
|
|
clc
|
|
|
|
|
jmp soft80_kplot
|
|
|
|
|
|
2015-10-06 17:33:43 +00:00
|
|
|
; clear loop for colram and vram
|
|
|
|
|
clear:
|
|
|
|
|
;ldx #$00
|
|
|
|
|
@lp1:
|
|
|
|
|
sta soft80_colram,x
|
|
|
|
|
sta soft80_colram+$100,x
|
|
|
|
|
sta soft80_colram+$200,x
|
|
|
|
|
sta soft80_colram+$2e8,x
|
|
|
|
|
inx
|
|
|
|
|
bne @lp1
|
|
|
|
|
rts
|
2015-09-27 16:12:25 +00:00
|
|
|
|
|
|
|
|
|
