mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-10 14:05:59 +00:00
43 lines
806 B
ArmAsm
43 lines
806 B
ArmAsm
;=========================================================
|
|
; clear_all
|
|
;=========================================================
|
|
; clear 48 rows
|
|
|
|
clear_fullgr:
|
|
clc ; 2
|
|
lda DRAW_PAGE ; 3
|
|
|
|
adc #4 ; 2
|
|
sta __caf+2 ; 3
|
|
sta __caf+5 ; 3
|
|
adc #1 ; 2
|
|
sta __caf+8 ; 3
|
|
sta __caf+11 ; 3
|
|
adc #1 ; 2
|
|
sta __caf2+2 ; 3
|
|
sta __caf2+5 ; 3
|
|
adc #1 ; 2
|
|
sta __caf2+8 ; 3
|
|
sta __caf2+11 ; 3
|
|
|
|
|
|
ldy #120 ; 2
|
|
clear_all_color:
|
|
lda COLOR ; 2
|
|
clear_all_fast_loop:
|
|
__caf:
|
|
sta $400,Y ; 5
|
|
sta $480,Y ; 5
|
|
sta $500,Y ; 5
|
|
sta $580,Y ; 5
|
|
__caf2:
|
|
sta $600,Y ; 5
|
|
sta $680,Y ; 5
|
|
sta $700,Y ; 5
|
|
sta $780,Y ; 5
|
|
|
|
dey ; 2
|
|
bpl clear_all_fast_loop ; 2nt/3
|
|
|
|
rts ; 6
|