Re: A92: The trap funtion

To: assembly-92@lists.ticalc.org
Subject: Re: A92: The trap funtion
From: Arno.Kizina@t-online.de (Arno Kizina)
Date: Wed, 1 Apr 1998 00:48:38 +0200
Delivered-To: assembly-92-outgoing@towerguard.unix.edu.sollentuna.se
References: <351F870E.2CE880B0@shs.sps.lane.edu>
Reply-To: assembly-92@lists.ticalc.org


Will Shaver schrieb:
>
> I am trying to learn asm for the 68000, and dont have any previous asm
> experience. I have read Jimmy's Guide, and Newbies.txt, which were both
> very helpful. There are however some things that wernt explained.
>
> I have been trying to understand the sprite test prgm.
>
> **********
> _main
>     move.w #$0700,d0
>     trap #1
>

Nothing but replace the interrupt-mask-value by 7 (that are the lower three bits 
of the status-reg high byte,low byte = condition code reg )
> **********
> What does the trap do. I have looked at Jimmys guide, and he says that
> you can use 16 different vectors. (i'm guessing #1 - #16 or #$1 - #$1F
> yes?) But he fails to say what these vectors do exactly. Can someone
> explain at least what #1 does?
>
>
>                         -Will Shaver
>
>

References:

A92: The trap funtion

From: Will Shaver <wshaver@shs.sps.lane.edu>

Prev: A92: Re: FTerm 1.0.8 communication settings
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