view lib/alib/to_sp.as @ 3054:22ddd48b4ec2

level1 krn: Fix scheduler bug that only affected 6309 The original 6809 binary was correct, but it was disassembled and interpreted wrongly, so that reassembly went wrong on 6309.
author Tormod Volden <debian.tormod@gmail.com>
date Sun, 25 Jan 2015 22:36:02 +0100
parents 03f26e88b809
children
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* Advance X to 1st space character

* OTHER MODULES NEEDED: none

* ENTRY: X=somewhere in a string

* EXIT: X=1st space character in string


 nam Advance to space
 ttl Assembler Library Module

 section .text

TO_SP:
 pshs b
spl
 ldb ,x+
 cmpb #$20 is it space?
 bne spl no, loop
 leax -1,x point to space
 puls b,pc

 endsect