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

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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* Subroutine to print one character.

* OTHER MODULES NEEDED: none

* ENTRY: A=path
*        B=char to print

* EXIT:  CC carry set if error (from I$WritLn)
*        B  error code if any

 nam Output Single Char.
 ttl Assembler Library Module


 section .text

FPUTC:
 pshs b,x,y
 ldy #1 number of char to print
 tfr s,x point x at char to print
 os9 I$WritLn
 leas 1,s don't care about char anymore (B now = error)
 puls x,y,pc

 endsect