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casterli.arc
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SCRNMOVE.4TH
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Text File
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1986-04-26
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640b
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21 lines
( Screen Moving Words - Screen 1 )
: COPY-SCREEN ( FROM TO --- ) B/SCR * SWAP B/SCR * B/SCR 0
DO OVER I + OVER I + BLOCK 2 - ! UPDATE LOOP 2DROP ;
: MOVE-SCREENS ( FROM TO NUMBER --- ) >R 2DUP > IF R> 0 DO
OVER I + OVER I + COPY-SCREEN LOOP ELSE -1 R> 1 - DO
OVER I + OVER I + COPY-SCREEN -1 +LOOP THEN 2DROP ;
: FILL-SCREENS ( FROM TO --- ) SWAP DO I DUP 1+ 1 MOVE-SCREENS
2DROP FLUSH LOOP ;
( Fills all screens from FROM to TO with contents of FROM )
-->
s all screens from FROM to TO with contents of FROM )