17 lines
554 B
Plaintext
17 lines
554 B
Plaintext
: (parsed) ( a -- n f )
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DUP C@ ( a c )
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DUP '-' = IF
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DROP 1+ ( a+1 ) (parsed) 0 ROT ( f 0 n )
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- SWAP EXIT ( 0-n f )
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THEN
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0 SWAP _pdacc ( a r f )
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DUP IF 2DROP 0 EXIT THEN
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BEGIN ( a r 0 )
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DROP SWAP 1+ ( r a+1 )
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DUP C@ ( r a c )
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ROT SWAP ( a r c )
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_pdacc ( a r f )
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DUP UNTIL
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1 = ( a r f )
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ROT DROP ( r f ) ;
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