collapseos/blk/108

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2020-05-07 08:44:17 -04:00
: _blen ( buf -- length of str in buf )
DUP BEGIN C@+ EOL? UNTIL -^ 1- ;
: _rbufsz ( size of linebuf to the right of curpos )
EDPOS @ 64 MOD 63 -^ ;
: i I ; ( save overshoadowed )
: I
2020-05-07 08:44:17 -04:00
IBUF _type _rbufsz IBUF _blen 2DUP > IF
2020-05-22 14:17:38 -04:00
TUCK - ( ilen chars-to-move )
SWAP EDPOS @ _cpos 2DUP + ( ctm ilen a a+ilen )
3 PICK MOVE- ( ctm ilen )
2020-05-22 14:03:12 -04:00
NIP ( ilen )
ELSE DROP ( ilen becomes rbuffsize )
THEN
DUP IBUF EDPOS @ _cpos ROT MOVE ( ilen )
EDPOS +! EDPOS @ 64 / _pln
;