mirror of
https://github.com/a2-4am/4cade.git
synced 2024-10-31 15:05:55 +00:00
65 lines
1.2 KiB
Plaintext
65 lines
1.2 KiB
Plaintext
;license:MIT
|
|
;(c) 2019 by 4am
|
|
;
|
|
!cpu 6502
|
|
!to "build/FX/DIAGONAL4",plain
|
|
*=$6000
|
|
|
|
row = $fd
|
|
col = $fe
|
|
counter = $ff
|
|
|
|
!source "src/fx/macros.a"
|
|
|
|
+INIT_MASKS sourcemasks, copymasks
|
|
|
|
lda #64 ; 40 + 24
|
|
sta counter
|
|
|
|
lda #39
|
|
sta col
|
|
@colloop
|
|
lda #0
|
|
sta row
|
|
ldy col
|
|
@rowloop
|
|
tya
|
|
bmi +
|
|
cpy #40
|
|
bcs +
|
|
lda row
|
|
jsr HGRBlockCopyWithMask
|
|
+ iny
|
|
bmi +
|
|
cpy #40
|
|
bcs +
|
|
lda row
|
|
jsr HGRBlockCopy
|
|
+
|
|
inc row
|
|
lda row
|
|
cmp #24
|
|
bcc @rowloop
|
|
lda #64
|
|
jsr WaitForKeyWithTimeout
|
|
bmi @exit
|
|
dec col
|
|
dec counter
|
|
bne @colloop
|
|
@exit rts
|
|
|
|
sourcemasks
|
|
!byte 0,0,0,0,0,0,0,0 ; SMC
|
|
copymasks
|
|
!byte %10000000
|
|
!byte %11000000
|
|
!byte %11100000
|
|
!byte %11110000
|
|
!byte %11111000
|
|
!byte %11111100
|
|
!byte %11111110
|
|
!byte %11111111
|
|
|
|
!source "src/wait.a"
|
|
!source "src/fx/fx.hgr.common.a"
|