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Compute! Gazette 1989 November
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1989-11.d64
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progpage
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Commodore BASIC
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2022-09-20
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900b
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29 lines
1 poke53280,14:poke53281,6:print"[147] programmer's page"
2 print"1. scroller"
3 print"2. speed/sound lister"
4 print"3. 2-line directory routine"
5 geta$:if a$=""then5
6 if a$="1"then15
7 if a$="2"then90
8 if a$="3"then300
9 goto5
10 rem *** vertical scroller ***
15 poke53280,14:poke53281,6:print "[147]";
20 print "";tab(rnd(1)*40);"[209]"
30 poke 218,peek(218) or 128
40 print "[157]";chr$(148)
50 if rnd(1)>0.2 then 30
60 goto 20
90 rem *** lister ***
100 print"[147]":for a=828 to 898:read b:poke a,b:next:sys 828:poke 2,40:list
120 data 120,169,93,141,38,3,169,3,141,39
130 data 3,169,0,160,23,153,0,212,136,16
140 data 250,169,15,141,24,212,169,1,141,5
150 data 212,88,96,72,138,72,152,72,166,2
160 data 160,0,136,208,253,202,208,250,160,10
170 data 141,1,212,169,32,141,4,212,169,33,141
180 data 4,212,104,168,104,170,104,76,202,241
190 rem *** directory routine ***
300 sys57812"$",8:poke43,1:poke44,192:poke768,174:poke769,167:sys47003,1
310 poke782,192:sys65493:sys42291:list:poke44,8:poke768,139:poke769,227