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annotate lib/alib/prints.as @ 2802:58ca94b06908 lwtools-port

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now built from defs files
author Boisy Pitre <boisy.pitre@nuance.com>
date Fri, 01 Feb 2013 19:26:44 -0600
parents 03f26e88b809
children
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1 ***********************************
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2
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3 * Print a program-embedded, null terminated string to standard out.
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4
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5 * OTHER MODULES NEEDED: puts
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6
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7 * ENTRY: Null terminated string must follow PRINTS call
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8 * eg: LBSR PRINTS
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9 * fcc /this is stuff to print/
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10 * fcb $0d * a new line
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11 * fcc /more stuff to print/
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12 * fcb $0d,0 the end
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13 * lda #xx or whatever..
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14 * * the rest of the program....
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16 * EXIT: CC carry set if error
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17 * B error code (if any)
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20 nam Print Embedded String to Std. Out
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21 ttl Assembler Library Module
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23
2782
aaba193af04f Updated code to use lwasm/lwlink
Boisy Pitre <boisy.pitre@nuance.com>
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24 section .text
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25
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26 PRINTS:
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27 pshs x,u
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28 ldx 4,s get start of string (old return address)
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29 tfr x,u copy it
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30
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31 loop
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32 tst ,u+ advance U to end of string
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33 bne loop
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34
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35 stu 4,s one past null=return address
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36 lbsr PUTS print from orig pos.
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37 puls x,u,pc return to caller
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38
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39 endsect
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