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Re: wherefor art thou, senior PROM?

Mike Maginnis wrote:

On Sun, 19 Aug 2007 16:42:44 -0700, "Michael J. Mahon"
<mjmahon@aol.com> wrote:



jonnosan wrote:


In reading through back issues of Hardcore Computist, I've come across
ads and other references to "The Senior PROM" which from the
descriptions seems to be ROMs modified with utilities useful for
coding, debugging & cracking.

I'd love to have a play around with this - are there any copies
floating around online?


I'v also been looking for this for awhile...  ;-)

-michael

NadaNet file server for Apple II computers!
Home page:  http://members.aol.com/MJMahon/

"The wastebasket is our most important design
tool--and it's seriously underused."



The Senior PROM is a hardware device that replaces the standard ROMS
in an Apple IIe. Specifically, it's a NMI card with some extra
features built in.  I have one, though the ROMs on mine are designed
to work with an unenhanced IIe and it gets a little wonky when
installed in an enhanced unit.  I'd be willing to lend it to someone
for reverse-engineering, if there's any interest.


Interesting...I thought that the original Senior PROM was exactly
that, an EPROM that plugged into a ][ or ][+ that offered a variety
of hacking/cracking tools upon Reset or NMI (which used to be done
without a card.  ;-)

I guessed that it was a 2732 that had a switch to bank-select it.

It would be interesting to capture the image of the ROM...

-michael

NadaNet file server for Apple II computers!
Home page:  http://members.aol.com/MJMahon/

"The wastebasket is our most important design
tool--and it's seriously underused."