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Transactor
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Transactor_26_1988_Transactor_Publishing.d64
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clrscr.pal
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Commodore BASIC
|
2023-02-26
|
536b
|
38 lines
100 sys 700 ;pal 64
110 .opt oo
120 ; "clrscr"
130 ; clears screen using
140 ; "dissolve" effect
150 ;
160 clrscr =*
170 ldx #0
180 loop =*
190 lda #255
200 sta 54287
210 lda #128 ;set up
220 sta 54290
230 sta 54296 ;sid chip
240 ldy 54299 ;get random number
250 lda #32
260 sta 1024,y
270 sta 1024+256,y
280 sta 1024+512,y
290 sta 1024+768,y
300 jsr delay
310 inx
320 cpx #254
330 bne loop
340 lda #"[147]"
350 jsr $ffd2
360 delay txa
370 pha
380 ldx #5
390 clrsbd ldy #0
400 clrsyl dey
410 bne clrsyl
420 dex
430 bne clrsbd
440 pla
450 tax
460 rts