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64'er 1993 September
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64er_Magazin_93-09_1993_Markt__Technik_de_Side_B.d64
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irq-init.src
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2022-10-26
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709b
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30 lines
;---------------------------------------
;--------irq vorbereiten----------------
;---------------------------------------
sei ;irq sperren
jsr init ;initialisieren
lda #<start ;lowbyte laden
sta irqlow ;und speichern
lda #>start ;highbyte laden
sta irqhig ;und speichern
lda yscroll ;y-scroll-register
and #$7f ;richtig
sta yscroll ;setzen
lda #$7f ;timer
sta $dc0d ;setzen
lda #$01 ;raster-irq
sta imr ;festlegen
lda #$00 ;musik
jsr initmusic;initialisieren
cli ;irq freigeben
jmp * ;endlos-schleife