Re: Slot settings on a ROM 3

[shack@southwind.net (Randy Shackelford)]

In article <nipp-33D8AE.11471616012000@news.planet.nl>,
Pim Blokland  <nipp@plane.nl> wrote:
>In article <20000115142239.20250.00000023@ng-bd1.aol.com>, 
>supertimer@aol.com (Supertimer) wrote:
>
>> Right.  Under GS/OS, you can use slot 4 and keep the mouse
>> on a ROM 3.  The ROM 01 can't do this.
>
>Yes, I know that! But my question was: why? Does the ROM 01 use routines 
>that are located at $ExC4xx? Or does de ROM 3 do some nasty tricks that 
>they hadn't thought of when they manufactured the 01? That's the kind of 
>thing I'm curious about.

Apple made the ROM 01's mouse work the same as the Applemouse II card software
wise. That was for the benefit of people doing the //e upgrade and wanting to
reuse their mouse card. Apple nixed the upgrade when ROM 3s came out, so they
made the mouse work like it really should have all along.
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