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Ahoy 1985 August
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Ahoy_Magazine_85-08_1985_Double_L.d64
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vic helicopter
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.txt
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Commodore BASIC
|
2022-10-26
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567b
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23 lines
1 rem sound effects
2 rem helicopter (vic version)
10 gosub 900:goto 100
20 poke fr(0),0:poke fr(1),0:poke fr(2),0:poke fr(3),p(50)
30 poke vl,0
40 for i=0 to 15:poke vl,i:next
45 for i=0 to 2:next
50 poke fr(3),60:for i=15 to 0 step-1:poke vl,i:next
60 for i=0 to 3:poke fr(i),0:next
90 return
99 rem routine to play sounds when shift is pressed
100 print "press shift to stop"
110 print".";:if peek(653)>0 then end
120 gosub 20:goto 110
898 rem routine to set up variables
899 rem set up sound control addresses
900 dim fr(3),p(127)
910 fr(0)=36874:for i=1 to 3:fr(i)=fr(i-1)+1:next
920 for i=0 to 127:p(i)=i+128:next
929 rem set volume address
930 vl=36878
990 return