: (emit) 0 PC! ;
: COLS 80 ; : LINES 32 ;
: AT-XY 6 PC! ( y ) 5 PC! ( x ) ;

390 LOAD  ( xcomp core high )
(entry) _
( Update LATEST )
PC ORG @ 8 + !
," BLK$ "
," ' EFS@ BLK@* ! "
," ' EFS! BLK!* ! "
EOT,
ORG @ 256 /MOD 2 PC! 2 PC!
H@ 256 /MOD 2 PC! 2 PC!