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collapseos/blk/108
Virgil Dupras f6ded7712e VE: add 't'
This is the first commit I do entirely in VE. It's a habit I'm planning
on taking as it helps a lot to find usability issues.
2020-06-11 18:12:01 -04:00

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: _type ( buf -- )
C< DUP 0xd = IF 2DROP EXIT THEN SWAP DUP _zbuf ( c a )
BEGIN ( c a ) C!+ C< TUCK 0x0d = UNTIL ( c a ) C! ;
( user-facing lines are 1-based )
: T 1- DUP 64 * EDPOS ! _pln ;
: P IBUF _type IBUF EDPOS @ _cpos 64 MOVE BLK!! ;
: _mvln+ ( ln -- move ln 1 line down )
DUP 14 > IF DROP EXIT THEN
_lpos DUP 64 + 64 MOVE ;
: _mvln- ( ln -- move ln 1 line up )
DUP 14 > IF DROP 15 _lpos _zbuf
ELSE 1+ _lpos DUP 64 - 64 MOVE THEN ;