mirror of
https://github.com/hsoft/collapseos.git
synced 2024-11-05 21:40:56 +11:00
8 lines
126 B
Plaintext
8 lines
126 B
Plaintext
( returns negative value on error )
|
|
: _ ( c -- n )
|
|
DUP '0' '1' =><= IF '0' - EXIT THEN
|
|
DROP -1 ( bad )
|
|
;
|
|
|
|
|