stepping machanism of Apple Disk ][ drive (was Re: Heatkit 51/4 floppies)

From: Richard Erlacher <edick_at_idcomm.com>
Date: Mon Apr 12 12:47:52 1999

It's not about and indirect table jump, it's about an indirect INDEXED table
jump.

Dick

-----Original Message-----
From: Dwight Elvey <elvey_at_hal.com>
To: Discussion re-collecting of classic computers
<classiccmp_at_u.washington.edu>
Date: Monday, April 12, 1999 11:12 AM
Subject: Re[2]: stepping machanism of Apple Disk ][ drive (was Re: Heatkit
51/4 floppies)


>allisonp_at_world.std.com (Allison J Parent) wrote:
>> <I knew somebody woudl come up with a good example. That 6809 code is
<snip>
>> the kinds of things a PC (or other general purpose computer) would.
>
>Hi
> Even the 4004 had an indirect table jump, so what is all the
>noise about.
>Dwight
>
Received on Mon Apr 12 1999 - 12:47:52 BST