Otwarcie ekranu w trybie graficznym (GRAPHICS)

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;
; (c) Lizard 
;
iccmd   =   $0342
icbufa  =   $0344
icax1   =   $034a
icax2   =   $034b
jciomain =  $e456

gr9     lda #9
        bne gr

gr15    lda #15

gr      pha
        ldx #$60        ; IOCB #6
        lda #$0c        ; zamknij
        jsr cioexe
        pla
        sta icax2,x     ; tryb
        lda #<dev       ; identyfikator urzadzenia
        sta icbufa,x
        lda #>dev
        sta icbufa+1,x
        lda #%00011100  ; bez okna tekstowego, odczyt/zapis
        sta icax1,x
        lda #$03        ; otworz
cioexe  sta iccmd,x
        jmp jciomain

dev     .by "S:" $9b
Źródło: "http://atariki.krap.pl/index.php/Otwarcie_ekranu_w_trybie_graficznym_%28GRAPHICS%29"
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