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air/First C64 demo.bas

Created July 25, 2014 20:42
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First C64 demo.bas
00 rem my first demo. changing the volume register gives a click!
10 sid=54272 : volume=sid+24
20 col=53280
30 for i = 0 to 28 : poke sid + i, 0 : next
40 for i = 0 to 15 : poke volume, i : poke col, i : next
50 goto 40
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