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annotate lib/alib/strhlen.a @ 2609:9dd4f422aac7

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Added NitrOS-9 ROM Kit from Cloud-9
author Boisy Pitre <boisy.pitre@nuance.com>
date Tue, 31 Jan 2012 13:57:35 -0600
parents 7d70b7e1cb21
children aaba193af04f
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1 **********************************
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2
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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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8
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9 * ENTRY: X=start of string
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11
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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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20 psect STRHLEN,0,0,0,0,0
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21
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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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