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annotate lib/alib/fputc.as @ 3054:22ddd48b4ec2

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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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1 ***************************************
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2
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3 * Subroutine to print one character.
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5 * OTHER MODULES NEEDED: none
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7 * ENTRY: A=path
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8 * B=char to print
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10 * EXIT: CC carry set if error (from I$WritLn)
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11 * B error code if any
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13 nam Output Single Char.
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14 ttl Assembler Library Module
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17 section .text
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19 FPUTC:
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20 pshs b,x,y
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21 ldy #1 number of char to print
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22 tfr s,x point x at char to print
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23 os9 I$WritLn
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24 leas 1,s don't care about char anymore (B now = error)
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25 puls x,y,pc
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27 endsect
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