Otwarcie ekranu w trybie graficznym (GRAPHICS)
From Atariki
iccmd = $0342
icbufa = $0344
icax1 = $034a
icax2 = $034b
jciomain = $e456
gr9 lda #9
bne gr
gr15 lda #15
gr ldx #$60
sta icax2,x ; tryb
lda #$03 ; otworz
sta iccmd,x
lda #<dev ; co?
sta icbufa,x
lda #>dev
sta icbufa+1,x
lda #%00011100 ; bez okna tekstowego, odczyt/zapis
sta icax1,x
jmp jciomain
dev .by "S:" $9b
