view lib/alib/is_print.a @ 2765:0bd16cca86b7

Updated rules.mak for all the os9 format's to format the entire disk. People were having some issues with the disk images not being formatted to their full capacity and preventing some functions from working.
author drencor-xeen
date Thu, 17 Jan 2013 11:03:26 -0600
parents 7d70b7e1cb21
children aaba193af04f
line wrap: on
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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