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Makefiles: Always use macro for lwar and rm The LWAR macro is new, rm was still used in one place.
author Tormod Volden <debian.tormod@gmail.com>
date Fri, 12 Jul 2013 22:41:18 +0200
parents 03f26e88b809
children
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*****************************************

* See if character in "B" is a control character
* controls are defined as $00..$1F and $7F+

* OTHER MODULES NEEDED: none

* ENTRY: B=character to test

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

 nam Is Char a Control?
 ttl Assembler Library Module


 section .text


IS_CNTRL:
 cmpb #$7f
 bhs yes
 cmpb #$1f
 bhi exit not control, zero cleared

yes
 orcc #%00000100 set zero

exit
 rts

 endsect