mirror of https://github.com/a2-4am/4cade.git
64 lines
1.1 KiB
Plaintext
64 lines
1.1 KiB
Plaintext
;license:MIT
|
|
;(c) 2018 by 4am
|
|
;
|
|
!cpu 6502
|
|
!to "build/FX.INDEXED/TWOPASS.LR",plain
|
|
*=$6000
|
|
|
|
row = $FF
|
|
|
|
!source "src/fx/macros.a"
|
|
|
|
lda #$00
|
|
sta @h1
|
|
sta @h2
|
|
@outerloop1
|
|
lda #$BF
|
|
sta row
|
|
@loop1 jsr HGRCalc
|
|
@h1=*+1
|
|
ldy #$00
|
|
lda ($3c),y
|
|
sta ($26),y
|
|
dec row
|
|
dec row
|
|
lda row
|
|
cmp #$FF
|
|
bne @loop1
|
|
|
|
lda #$10
|
|
jsr WaitForKeyWithTimeout
|
|
bmi @exit
|
|
|
|
inc @h1
|
|
lda @h1
|
|
cmp #$28
|
|
bne @outerloop1
|
|
|
|
@outerloop2
|
|
lda #$BE
|
|
sta row
|
|
@loop2 jsr HGRCalc
|
|
@h2=*+1
|
|
ldy #$00
|
|
lda ($3c),y
|
|
sta ($26),y
|
|
dec row
|
|
dec row
|
|
lda row
|
|
cmp #$FE
|
|
bne @loop2
|
|
|
|
lda #$10
|
|
jsr WaitForKeyWithTimeout
|
|
bmi @exit
|
|
|
|
inc @h2
|
|
lda @h2
|
|
cmp #$28
|
|
bne @outerloop2
|
|
@exit rts
|
|
|
|
!source "src/wait.a"
|
|
+HGR_CALC_ROUTINES
|