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VE: allow usage on screens narrower than 67 columns
Previously, display would be completely broken. We have yet to add a way to display the "right" part of a buffer on such smaller displays.
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@ -2,6 +2,7 @@ CREATE CMD 2 C, '$' C, 0 C,
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CREATE PREVPOS 0 , CREATE PREVBLK 0 ,
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: MIN ( n n - n ) 2DUP > IF SWAP THEN DROP ;
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: MAX ( n n - n ) 2DUP < IF SWAP THEN DROP ;
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: large? COLS 67 > ; : col- 67 COLS MIN -^ ;
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: acc@ ACC @ 1 MAX ;
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: num ACC @ SWAP _pdacc IF ACC ! ELSE DROP THEN ;
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: nspcs ( n -- , spit n space ) 0 DO SPC LOOP ;
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@ -12,3 +13,4 @@ CREATE PREVPOS 0 , CREATE PREVBLK 0 ,
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SPC EDPOS @ 64 /MOD . ',' EMIT . SPC
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BLKDTY @ IF '*' EMIT THEN 10 nspcs ;
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: nums 17 1 DO 2 I + aty I . SPC SPC LOOP ;
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: mode! ( c -- ) 4 col- 0 AT-XY ;
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14
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14
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@ -1,16 +1,16 @@
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: contents 16 0 DO 3 I 3 + AT-XY
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64 I * BLK( + DUP 64 + SWAP DO
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: contents 16 0 DO large? IF 3 ELSE 0 THEN I 3 + AT-XY
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64 I * BLK( + DUP 3 col- + SWAP DO
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I C@ 0x20 MAX EMIT LOOP LOOP
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3 16 gutter ;
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large? IF 3 16 gutter THEN ;
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: selblk BLK> @ PREVBLK ! BLK@ contents ;
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: mode! ( c -- ) 63 0 AT-XY ;
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: pos! ( newpos -- ) EDPOS @ PREVPOS !
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DUP 0< IF DROP 0 THEN 1023 MIN EDPOS ! ;
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: setpos ( -- ) EDPOS @ 64 /MOD
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3 + ( header ) SWAP 3 + ( gutter ) SWAP AT-XY ;
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3 + ( header ) SWAP large? IF 3 + ( gutter ) THEN
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SWAP AT-XY ;
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: cmv ( n -- , char movement ) acc@ * EDPOS @ + pos! ;
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: buftype ( buf ln -- )
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3 OVER AT-XY KEY DUP EMIT
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DUP 0x20 < IF 2DROP DROP EXIT THEN
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( buf ln c ) 63 nspcs SWAP 4 SWAP AT-XY ( buf c ) SWAP C!+
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IN( _zbuf (rdln) IN( SWAP 63 MOVE ;
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( buf ln c ) 4 col- nspcs SWAP 4 SWAP AT-XY ( buf c )
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SWAP C!+ IN( _zbuf (rdln) IN( SWAP 63 MOVE ;
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5
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5
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@ -4,10 +4,11 @@
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DUP CMD 2+ C! CMD FIND IF EXECUTE ELSE DROP THEN
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0 ACC ! UPPER 'Q' = ;
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: bufp ( buf -- )
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DUP 64 + SWAP DO I C@ 0x20 MAX EMIT LOOP ;
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DUP 3 col- + SWAP DO I C@ 0x20 MAX EMIT LOOP ;
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: bufs
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1 aty ." I: " IBUF bufp
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2 aty ." F: " FBUF bufp 0 3 gutter ;
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2 aty ." F: " FBUF bufp
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large? IF 0 3 gutter THEN ;
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: VE
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clrscr 0 ACC ! 0 PREVPOS ! nums contents
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BEGIN status bufs setpos KEY handle UNTIL
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