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collapseos/blk/383
2020-08-30 20:15:55 -04:00

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: _
999 SWAP ( stop indicator )
BEGIN
?DUP NOT IF EXIT THEN
10 /MOD ( r q )
SWAP '0' + SWAP ( d q )
AGAIN ;
: . ( n -- )
?DUP NOT IF '0' EMIT EXIT THEN ( 0 is a special case )
( handle negative )
DUP 0< IF '-' EMIT -1 * THEN
_
BEGIN
DUP '9' > IF DROP EXIT THEN ( stop indicator )
EMIT
AGAIN ;