*****************************************

* See if character in "B" is a punctuation character

* OTHER MODULES NEEDED: IS_ALNUM, IS_CNTRL

* ENTRY: B=character to test

* EXIT: CC zero=1 if punct., 0 if not


 nam Is Char Punctuation?
 ttl Assembler Library Module


 psect IS_PUNCT,0,0,0,0,0


IS_PUNCT:
 lbsr IS_ALNUM
 BEQ no if its a.z,A.Z or 0.9 not punct
 lbsr IS_CNTRL
 BEQ no controls not punct.
 orcc #%00000100 set carry
 rts

no
 andcc #%11111011 clear zero
 rts


 endsect