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80d1b59050
Splitting a word into MSB/LSB pairs happens often and is worth, I think, native words. Also, I'm going to need it in the upcoming commits.
16 lines
355 B
Forth
16 lines
355 B
Forth
: COLS 80 ; : LINES 32 ;
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: CURSOR! ( new old -- )
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DROP COLS /MOD 6 PC! ( y ) 5 PC! ( x ) ;
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: CELL! ( c pos -- ) 0 CURSOR! 0 PC! ;
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SYSVARS 0x70 + CONSTANT GRID_MEM
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402 403 LOADR ( Grid )
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390 LOAD ( xcomp core high )
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(entry) _
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( Update LATEST )
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PC ORG @ 8 + !
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," BLK$ ' EFS@ BLK@* ! ' EFS! BLK!* ! GRID$ " EOT,
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ORG @ |M 2 PC! 2 PC!
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H@ |M 2 PC! 2 PC!
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