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annotate lib/alib/strhlen.as @ 3154:d29a92fff7f2

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coco3fpga: Rename SD disk images to .img To avoid confusion since they are not bootable disks, but to be raw copied to the /sd0 partition on the CoCo3FPGA SD card.
author Tormod Volden <debian.tormod@gmail.com>
date Tue, 07 Feb 2017 00:37:28 +0100
parents 03f26e88b809
children
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1 **********************************
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3 * String Length: find length of sign-bit terminated string.
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4 * note: sign-bit set byte IS included in count.
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5
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6 * OTHER MODULES NEEDED: none
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9 * ENTRY: X=start of string
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12 * EXIT: D=length
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13 * all other regs (except cc) preserved
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16 nam Find sign-bit term. String Length
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17 ttl Assembler Library Module
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aaba193af04f Updated code to use lwasm/lwlink
Boisy Pitre <boisy.pitre@nuance.com>
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20 section .text
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22 STRHLEN:
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23 pshs x
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24 clra it'll be at least one byte long
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25 clrb
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27 loop
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28 addd #1 bump count
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29 tst ,x+ end?
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30 bpl loop
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32 puls x,pc
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34 endsect
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aaba193af04f Updated code to use lwasm/lwlink
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