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VE: add H, J, K, L

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This commit is contained in:
Virgil Dupras 2020-06-04 12:04:13 -04:00
parent c07a594e1a
commit 77aedd7338
3 changed files with 19 additions and 8 deletions
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5
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@ -10,4 +10,7 @@ saved beforehand.
'[' and ']' advance the selected block by modifier. '[' and ']' advance the selected block by modifier.
'Return' resets the modifier ';' resets the modifier
H and L move the cursor by "modifier" characters. J and K, by
lines.

10
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@ -1,14 +1,14 @@
CREATE CMD 2 C, '$' C, 0 C, CREATE CMD 2 C, '$' C, 0 C,
VARIABLE ACC VARIABLE ACC
VARIABLE POS
: 0acc 0 ACC ! ; : 0acc 0 ACC ! ;
: acc@ ACC @ 1 MAX 0acc ;
: num ACC @ SWAP _pdacc IF DROP ELSE ACC ! THEN ; : num ACC @ SWAP _pdacc IF DROP ELSE ACC ! THEN ;
: nspcs ( n -- , spit n space ) 0 DO SPC LOOP ; : nspcs ( n -- , spit n space ) 0 DO SPC LOOP ;
: aty 0 SWAP AT-XY ; : aty 0 SWAP AT-XY ;
: clrln DUP aty COLS nspcs aty ; : clrln DUP aty COLS nspcs aty ;
: clrscr LINES 0 DO I clrln LOOP ; : clrscr LINES 0 DO I clrln LOOP ;
: status 0 clrln ." BLK" SPC BLK> ? SPC ACC ? ; : status 0 clrln ." BLK" SPC BLK> ? SPC ACC ?
SPC POS @ 64 /MOD . ',' EMIT . ;
: contents 1 aty BLK> @ LIST ; : contents 1 aty BLK> @ LIST ;
: selblk BLK@ 0acc contents ; : selblk BLK@ contents ;
: $G ACC @ selblk ;
: $[ BLK> @ ACC @ 1 MAX - selblk ;
: $] BLK> @ ACC @ 1 MAX + selblk ;

12
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@ -1,7 +1,15 @@
: setpos POS @ 64 /MOD 1+ ( status line ) AT-XY ;
: pos+ POS @ + 1024 MOD POS ! ;
: cmv ( n -- , char movement ) acc@ * pos+ ;
: $; 0acc ;
: $G ACC @ selblk 0acc ;
: $[ BLK> @ acc@ - selblk ;
: $] BLK> @ acc@ + selblk ;
: $H -1 cmv ; : $L 1 cmv ; : $K -64 cmv ; : $J 64 cmv ;
: handle ( c -- f ) : handle ( c -- f )
UPPER DUP '0' '9' =><= IF num 0 EXIT THEN UPPER DUP '0' '9' =><= IF num 0 EXIT THEN
DUP CMD 2+ C! CMD FIND IF EXECUTE ELSE DROP THEN DUP CMD 2+ C! CMD FIND IF EXECUTE ELSE DROP THEN
'Q' = ; 'Q' = ;
: VE clrscr 0acc contents : VE clrscr 0acc 0 POS ! contents
BEGIN status KEY handle UNTIL 18 aty ; BEGIN status setpos KEY handle UNTIL 18 aty ;