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annotate lib/alib/fgets.as @ 3100:ed4c9b04f74e

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makefile: Remove hg update commands We don't want makefiles to play with mercurial commands. Particularly not when we are about to push a snapshot.
author Tormod Volden <debian.tormod@gmail.com>
date Sun, 28 Feb 2016 21:37:42 +0100
parents 03f26e88b809
children
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03f26e88b809 Renamed files and setup for lwasm/lwlink work
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1 ***************************************
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3 * Subroutine to input a null terminated string.
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5 * OTHER MODULES NEEDED: none
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7 * ENTRY: A=path
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8 * X=buffer for string
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9 * Y=max buffer size (leave room for null!!)
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11 * EXIT: CC carry set if error (from I$ReadLn)
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12 * B error code if any
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15 * NOTE: The string entered must end with an end-of-record char
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16 * (usually a $0D), the null is appended for ease in string
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17 * handling.
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20 nam Input Null Terminated String
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21 ttl Assembler Library Module
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24 section .text
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26 FGETS_NOCR:
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27 pshs d,x
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28 bsr FGETS
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29 bcs bye
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30 tfr y,d
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31 leax -1,x
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32 clr d,x
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33 bye puls d,x,pc
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34
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35 FGETS:
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36 pshs a,x
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37 os9 I$ReadLn get line
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38 bcs exit return error code
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39 tfr y,d
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40 clr d,x add null
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41 clrb no error..
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43 exit
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44 puls a,x,pc
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46 endsect
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