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VE: allow usage on screens narrower than 67 columns

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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.
This commit is contained in:
Virgil Dupras 2020-11-13 15:52:12 -05:00
parent 10da104873
commit 6a7c8ae1c8
3 changed files with 12 additions and 9 deletions
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2
blk/126
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@ -2,6 +2,7 @@ CREATE CMD 2 C, '$' C, 0 C,
CREATE PREVPOS 0 , CREATE PREVBLK 0 , CREATE PREVPOS 0 , CREATE PREVBLK 0 ,
: MIN ( n n - n ) 2DUP > IF SWAP THEN DROP ; : MIN ( n n - n ) 2DUP > IF SWAP THEN DROP ;
: MAX ( n n - n ) 2DUP < IF SWAP THEN DROP ; : MAX ( n n - n ) 2DUP < IF SWAP THEN DROP ;
: large? COLS 67 > ; : col- 67 COLS MIN -^ ;
: acc@ ACC @ 1 MAX ; : acc@ ACC @ 1 MAX ;
: num ACC @ SWAP _pdacc IF ACC ! ELSE DROP THEN ; : num ACC @ SWAP _pdacc IF ACC ! ELSE DROP THEN ;
: nspcs ( n -- , spit n space ) 0 DO SPC LOOP ; : nspcs ( n -- , spit n space ) 0 DO SPC LOOP ;
@ -12,3 +13,4 @@ CREATE PREVPOS 0 , CREATE PREVBLK 0 ,
SPC EDPOS @ 64 /MOD . ',' EMIT . SPC SPC EDPOS @ 64 /MOD . ',' EMIT . SPC
BLKDTY @ IF '*' EMIT THEN 10 nspcs ; BLKDTY @ IF '*' EMIT THEN 10 nspcs ;
: nums 17 1 DO 2 I + aty I . SPC SPC LOOP ; : nums 17 1 DO 2 I + aty I . SPC SPC LOOP ;
: mode! ( c -- ) 4 col- 0 AT-XY ;

14
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@ -1,16 +1,16 @@
: contents 16 0 DO 3 I 3 + AT-XY : contents 16 0 DO large? IF 3 ELSE 0 THEN I 3 + AT-XY
64 I * BLK( + DUP 64 + SWAP DO 64 I * BLK( + DUP 3 col- + SWAP DO
I C@ 0x20 MAX EMIT LOOP LOOP I C@ 0x20 MAX EMIT LOOP LOOP
3 16 gutter ; large? IF 3 16 gutter THEN ;
: selblk BLK> @ PREVBLK ! BLK@ contents ; : selblk BLK> @ PREVBLK ! BLK@ contents ;
: mode! ( c -- ) 63 0 AT-XY ;
: pos! ( newpos -- ) EDPOS @ PREVPOS ! : pos! ( newpos -- ) EDPOS @ PREVPOS !
DUP 0< IF DROP 0 THEN 1023 MIN EDPOS ! ; DUP 0< IF DROP 0 THEN 1023 MIN EDPOS ! ;
: setpos ( -- ) EDPOS @ 64 /MOD : setpos ( -- ) EDPOS @ 64 /MOD
3 + ( header ) SWAP 3 + ( gutter ) SWAP AT-XY ; 3 + ( header ) SWAP large? IF 3 + ( gutter ) THEN
SWAP AT-XY ;
: cmv ( n -- , char movement ) acc@ * EDPOS @ + pos! ; : cmv ( n -- , char movement ) acc@ * EDPOS @ + pos! ;
: buftype ( buf ln -- ) : buftype ( buf ln -- )
3 OVER AT-XY KEY DUP EMIT 3 OVER AT-XY KEY DUP EMIT
DUP 0x20 < IF 2DROP DROP EXIT THEN DUP 0x20 < IF 2DROP DROP EXIT THEN
( buf ln c ) 63 nspcs SWAP 4 SWAP AT-XY ( buf c ) SWAP C!+ ( buf ln c ) 4 col- nspcs SWAP 4 SWAP AT-XY ( buf c )
IN( _zbuf (rdln) IN( SWAP 63 MOVE ; SWAP C!+ IN( _zbuf (rdln) IN( SWAP 63 MOVE ;

5
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@ -4,10 +4,11 @@
DUP CMD 2+ C! CMD FIND IF EXECUTE ELSE DROP THEN DUP CMD 2+ C! CMD FIND IF EXECUTE ELSE DROP THEN
0 ACC ! UPPER 'Q' = ; 0 ACC ! UPPER 'Q' = ;
: bufp ( buf -- ) : bufp ( buf -- )
DUP 64 + SWAP DO I C@ 0x20 MAX EMIT LOOP ; DUP 3 col- + SWAP DO I C@ 0x20 MAX EMIT LOOP ;
: bufs : bufs
1 aty ." I: " IBUF bufp 1 aty ." I: " IBUF bufp
2 aty ." F: " FBUF bufp 0 3 gutter ; 2 aty ." F: " FBUF bufp
large? IF 0 3 gutter THEN ;
: VE : VE
clrscr 0 ACC ! 0 PREVPOS ! nums contents clrscr 0 ACC ! 0 PREVPOS ! nums contents
BEGIN status bufs setpos KEY handle UNTIL BEGIN status bufs setpos KEY handle UNTIL