view lib/alib/to_non_sp.as @ 3149:afd0f7d9b514

Add the Sleuth multipass disassembler from Bud Pass Added new directory "3rdparty/utiles/sleuth3" and source files to build "sleuth3" and its utilities. Also added "sleuth3" to the Directories section of "3rdparty/utils/makefile" to faciliate the inclusion of the sleuth3 build.
author Bill Pierce <merlinious999@gmail.com>
date Sat, 04 Feb 2017 18:55:39 +0100
parents 03f26e88b809
children
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* Advance X to 1st non-space character

* OTHER MODULES NEEDED: none

* ENTRY: X=somewhere in a string

* EXIT: X=1st non-space character in string
*       B=char at X


 nam Advance to non-space
 ttl Assembler Library Module

 section .text

TO_NON_SP:
 ldb ,x+
 cmpb #$20 is it space?
 beq TO_NON_SP yes, loop
 leax -1,x point to non-space
 rts

 endsect