1 REM a simple cylinder scroller coded by ah-YEAH of THB 
10 MODE
100 SCREEN COPY
110 SCROLL
120 SCREEN SWAP
130 NEXT
140 GOTO
2 REM actually its only half a cylinder but who cares??
20 CURS
3 REM expects a picture in bank 14 
30 GET PALETTE
39 AUTO BACK
40 CLS
41 LOGIC
49 REM these are the scroll zones for the top of the cylinder 
50 DEF
60 DEF
70 DEF
80 DEF
90 FOR