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- : mode! ( c -- ) 4 col- 0 AT-XY ;
- : contents
- 16 0 DO
- large? IF 3 ELSE 0 THEN I 3 + AT-XY
- 64 I * BLK( + ( lineaddr ) xoff @ + DUP width + SWAP
- DO I C@ 0x20 MAX EMIT LOOP LOOP
- large? IF 3 16 gutter THEN ;
- : selblk BLK> @ PREVBLK ! BLK@ contents ;
- : pos! ( newpos -- ) EDPOS @ PREVPOS !
- DUP 0< IF DROP 0 THEN 1023 MIN EDPOS ! ;
- : xoff? pos@ DROP ( x )
- xoff @ ?DUP IF < IF 0 xoff ! contents THEN ELSE
- width >= IF 64 COLS - xoff ! contents THEN THEN ;
- : setpos ( -- ) pos@ 3 + ( header ) SWAP ( y x ) xoff @ -
- large? IF 3 + ( gutter ) THEN SWAP AT-XY ;
- : cmv ( n -- , char movement ) acc@ * EDPOS @ + pos! ;
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