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Added second vhd drive for MESS version 144 and newer. Will not alter performance with older versions of MESS.
author robertgault
date Sat, 24 Dec 2011 13:01:17 +0000
parents 7d70b7e1cb21
children aaba193af04f
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*****************************************

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

* OTHER MODULES NEEDED: IS_CNTRL

* ENTRY: B=character to test

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


 nam Is Char Printable?
 ttl Assembler Library Module


 psect IS_PRINT,0,0,0,0,0

IS_PRINT:
 lbsr IS_CNTRL
 beq no
 orcc #%00000100 set zero
 rts

no
 andcc #%11111011 clear zero
 rts

 endsect