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collapseos/blk/627
2020-05-15 16:08:27 -04:00

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: _cell! ( tilenum pos )
2 * 0x7800 OR _ctl ( tilenum ) _data 1 _zero ;
: _lf
XYPOS @ 0 ( blank ) OVER _cell!
[ VDP_COLS LITN ] / 1+ [ VDP_ROWS LITN ] MOD
[ VDP_COLS LITN ] * XYPOS !
;
: (emit)
DUP 0x0d = IF DROP _lf EXIT THEN
0x20 - DUP 0< IF DROP EXIT THEN
0x5e MIN ( tilenum ) XYPOS @ _cell!
XYPOS @ 1+ DUP [ VDP_COLS VDP_ROWS * LITN ]
= IF DROP 0 THEN XYPOS !
;