collapseos/blk/558

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: _clrrows ( n u -- Clears u rows starting at n )
SWAP _row!
( u ) 0 DO
_yinc 0 _col!
11 0 DO 0 _data! LOOP
_xinc 0 _data!
LOOP ;
: _clrln ( n ) FNTH 1+ _clrrows ;
: LCDCLR 0 64 _clrrows ;
( Changes the current line and go back to leftmost column )
: _lf
LCD_CURY C@ FNTH 1+ + DUP 63 > IF DROP 0 THEN
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DUP _clrln DUP FNTH 1+ + _zoff!
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LCD_CURY C! 0 LCD_CURX C! ;