collapseos/blk/569

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: _
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0 ( gid ) 0 ( dummy )
BEGIN ( loop until a digit is pressed )
DROP
1+ DUP 7 = IF DROP 0 THEN ( inc gid )
1 OVER LSHIFT 0xff -^ ( group dmask ) _get
DUP 0xff = NOT UNTIL
( gid dmask )
0xff XOR ( dpos ) 0 ( dindex )
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BEGIN 1+ 2DUP RSHIFT NOT UNTIL 1-
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( gid dpos dindex ) SWAP DROP
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( gid dindex ) SWAP 8 * + _dtbl + C@ _wait ;
: (key) 0 ( dummy ) BEGIN DROP _ DUP UNTIL ;