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- \ 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
-
-
-