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added pretty indexer to dskcopy process
author aaronwolfe
date Tue, 06 Apr 2010 01:20:16 +0000
parents 7d70b7e1cb21
children aaba193af04f
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*****************************************

* See if character in "B" is a digit 0..9

* OTHER MODULES NEEDED: none

* ENTRY: B=character to test

* EXIT: CC zero=1 if digit, 0 if not

 nam Is Char a Digit?
 ttl Assembler Library Module


 psect IS_DIGIT,0,0,0,0,0


IS_DIGIT:
 cmpb #'0 
 blo no not digit, zero cleared
 cmpb #'9 if equal, zero set
 bhi no not digit, zero cleared
 orcc #%00000100 set zero

no
 rts

 endsect