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64'er 1986 April
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64er_Magazin_86-04_1986_Markt__Technik_de.d64
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listing 4
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Commodore BASIC
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2022-10-26
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506b
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14 lines
10 rem *** programm teilbildschirm in basic ***
20 input"ecke links oben s1,z1 =";s1,z1
30 input"ecke rechts unten s2,z2 =";s2,z2
40 input"was soll hinein ";w
50 rem ** steuerwerte berechnen: s = bildschirmstartadresse
60 rem sd = spaltendifferenz
70 rem zd = zeilendifferenz
80 sc = (NULL)("3ff"):s = sc + 40*(z1-1) + s1:sd = s2 - s1:zd = z2 - z1
90 rem *** schleife ***
100 i=0:z=0
110 :poke s+i,w
120 :i=i+1:if i>sd then s=s+40:i=0:z=z+1:if z>zd then end
130 :goto 110