view lib/alib/fputc.as @ 3003:68a167bc476d

level3 makefiles: Order BOOTERS list like in level2
author Tormod Volden <debian.tormod@gmail.com>
date Sun, 26 Oct 2014 13:02:12 +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