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Renamed files and setup for lwasm/lwlink work
author Boisy Pitre <boisy.pitre@nuance.com>
date Sat, 26 Jan 2013 17:18:24 -0600
parents lib/alib/is_digit.a@aaba193af04f
children
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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


 section .text


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