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p1_2dc.seq
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Text File
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1990-03-28
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803b
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39 lines
\ CHECKER BOARD PROGRAM FOR P1.2
\ Author: Dickson Cheng 03/28/90 12:52:41.83
: BLACK ( -- )
2 SPACES ;
: WHITE ( -- )
177 EMIT 177 EMIT ;
: HBAR ( -- )
205 EMIT 205 EMIT ;
: TOPLINE ( -- )
201 EMIT 8 0 DO HBAR LOOP 187 EMIT ;
: BOTTOMLINE ( -- )
200 EMIT 8 0 DO HBAR LOOP 188 EMIT ;
: ROW1 ( -- )
CR 186 EMIT 4 0 DO BLACK WHITE LOOP 186 EMIT ;
: ROW2 ( -- )
CR 186 EMIT 4 0 DO WHITE BLACK LOOP 186 EMIT ;
: BOARD ( -- )
CR TOPLINE
4 0 DO ROW1 ROW2 LOOP
CR BOTTOMLINE ;
: CHECKER_BOARD ( -- )
BOARD CR CR ;
: MESSAGE ( -- )
DARK CR ." To run CHECKER BOARD type CHECKER_BOARD" ;
MESSAGE