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Transactor_11_1986_Transactor_Publishing.d64
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Commodore BASIC
|
2023-02-26
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590b
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20 lines
100 rem* c-64 scroll down *
110 s=49152: rem start address (relocatable)
120 for i=s to s+33: read a: poke i,a: next
130 print"** scroll down - syntax:"
140 print"sys"s",n,topline"
150 print" [215]here 'n' = number of lines to scroll"
160 :
170 if s=49152 then end
180 u=s+22: ju=s+7: r=s+34: jr=s+4
190 jj=s+18
200 poke ju+1,u/256: poke ju,u-256*peek(ju+1)
210 poke jj+1,r/256: poke jj,r-256*peek(jj+1)
220 poke jr+1,r/256: poke jr,r-256*peek(jr+1)
230 :
240 data 32, 241, 183, 142, 34, 192, 32, 22
250 data 192, 32, 241, 183, 134, 214, 32, 101
260 data 233, 206, 34, 192, 208, 248, 162, 24
270 data 181, 217, 9, 128, 149, 217, 202, 208
280 data 247, 96