Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!nstn.ns.ca!uupsi!sunic!dkuug!diku!bombadil
From: bombadil@diku.dk (Kristian Nielsen)
Newsgroups: comp.sys.amiga.programmer
Subject: Re: Input handler question
Keywords: handler input assembly help questions seeking
Message-ID: <1991May29.132329.4690@odin.diku.dk>
Date: 29 May 91 13:23:29 GMT
References: <1991May28.184358.29226@sdd.hp.com>
Sender: bombadil@freja.diku.dk
Organization: Department of Computer Science, U of Copenhagen
Lines: 16

briang@sdd.hp.com (Brian Gragg) writes:


>Hi,  I've been trying to have an input handler call a C subroutine and it's
>just not working.  The C program installs the assembly handler just fine.
>I've even checked the handler by having it set the ie_Qualifier to shift so
>all my keystokes get shifted to upper case, which works fine.  But if I
>include a   jsr _myhandler  in the assembly routine, the system crashes.
>What am I doing wrong?

  You need to reload the base pointer A4 (-y on compile or __saveds /
getA4()). And you need to disable stack checking (with the -v option). The
latter is probably the most likely source of error, since your handler
doesn't use any global varibles.

	- Kristian.