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Ahoy 1985 August
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Ahoy_Magazine_85-08_1985_Double_L.d64
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Commodore BASIC
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2022-10-26
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704b
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24 lines
0 print"[147]":poke53280,0:poke53281,2:poke646,1
1 rem sound effects
2 rem "boink"
10 gosub 900:goto 100
20 poke ad(1),5:poke sr(1),21:poke fl(1),30:poke fh(1),30
25 poke ad(0),5:poke sr(0),53 :poke fh(0),25
30 poke vl,15:print "."
40 poke gt(1),129:for i=0 to 29:next:poke gt(0),17
50 for i=25 to 250 step 25:poke fh(0),i:for x=0 to 14:next:next
60 poke gt(1),0:poke gt(0),0
90 return
99 rem routine to play sounds when shift is pressed
100 print "press shift to hear sound";
110 if peek(653)=0 then 110
120 gosub 20:goto 100
898 rem routine to set up variables
899 rem set up sound control addresses
900 fl(0)=54272:fh(0)=54273:gt(0)=54276:ad(0)=54277:sr(0)=54278
905 for i=1 to 2:x=i*7:fl(i)=fl(0)+x:fh(i)=fh(0)+x:gt(i)=gt(0)+x:ad(i)=ad(0)+x
906 sr(i)=sr(0)+x:next
909 rem set volume address
910 vl=54296
990 return