1
0
mirror of https://github.com/hsoft/collapseos.git synced 2024-11-23 22:58:06 +11:00
collapseos/blk/402

11 lines
341 B
Plaintext
Raw Normal View History

: XYPOS [ GRID_MEM LITN ] ;
: AT-XY ( x y -- ) [ ROWS LITN ] * +
[ COLS ROWS * LITN ] MOD XYPOS ! ;
: _lf
XYPOS @ BEGIN ( pos )
0 ( blank ) SWAP TUCK CELL!
1+ DUP [ COLS LITN ] MOD NOT UNTIL
[ COLS ROWS * LITN ] MOD XYPOS ! ;
: _bs 0 ( blank ) XYPOS @ TUCK CELL! ( pos ) 1-
[ COLS ROWS * LITN ] MOD XYPOS ! ;