view lib/alib/is_termin.a @ 2736:31cd1f1b4fb0 lwtools-port

Added ClrScrn and CapsLock functionality for Atari VTIO
author Boisy Pitre <boisy.pitre@nuance.com>
date Mon, 10 Dec 2012 16:27:38 -0600
parents 7d70b7e1cb21
children aaba193af04f
line wrap: on
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*****************************************

* See if character in "B" is a valid string terminator.

* NOTE: This module is used by HEX_BIN, DEC_BIN, etc. It permits
*       SPACE, CR, COMMA and NULL to be used as a delimiter -- useful
*       for paramater and list processing....

* OTHER MODULES NEEDED: none

* ENTRY: B=character to test

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


 nam Is Char a Terminator?
 ttl Assembler Library Module


 psect IS_TERMIN,0,0,0,0,0


IS_TERMIN:
 tstb null?
 beq exit
 cmpb #$20 space
 beq exit
 cmpb #$0d carriage return
 beq exit
 cmpb #', comma?

exit
 rts

 endsect