stepping machanism of Apple Disk ][ drive (was Re: Heatkit 51/4 floppies) - test-drb@ccmp.vtda.org

12 Apr 1999

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

Dick

-----Original Message-----
From: Dwight Elvey &lt;elvey(a)hal.com&gt;
To: Discussion re-collecting of classic computers
&lt;classiccmp(a)u.washington.edu&gt;
Date: Monday, April 12, 1999 11:12 AM
Subject: Re[2]: stepping machanism of Apple Disk ][ drive (was Re: Heatkit
51/4 floppies)

...
 allisonp(a)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