collapseos/blk/104
2020-04-30 20:42:07 -04:00

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( Cursor position in buffer. EDPOS/64 is line number )
VARIABLE EDPOS
: _cpos BLK( + ;
: _lpos 64 * _cpos ;
: _pln ( lineno -- )
DUP _lpos DUP 64 + SWAP DO ( lno )
I EDPOS @ _cpos = IF '^' EMIT THEN
I C@ DUP 0x20 < IF DROP 0x20 THEN
EMIT
LOOP ( lno )
1+ . ;
( user-facing lines are 1-based )
: T 1- DUP 64 * EDPOS ! _pln ;