Re: Someone the contents of DISK II FSM ROM P6A (TBP28L22)

[russotto@grace.speakeasy.net (Matthew Russotto)]

In article <e86bd0ec.0402062033.7f370b63@posting.google.com>,
Joseph Oswald <josephoswaldgg@hotmail.com> wrote:

>The swapping of P5/P6 is a classic trick, which I saw in Sather's
>"Understanding the Apple II." Ideally, you have a tape cassette player
>to save the P6 ROM contents without the disk drive.

Or a serial port to another computer.  PR#1, CALL -151, C600L, etc.

>I once found a P6 ROM listing through Google, but you have to be
>clever with the search terms, and I can't seem to remember the trick.

I found one also, and saved it... but now I can't find the saved
copy.  I still have a P6 (not P6A) PROM somewhere, but no Apple II.

Here's the Beneath Apple Prodos info: (presumably the P6A state machine)

http://www.cs.umu.se/~christer/Apple/p6.notes.html



-- 
Matthew T. Russotto                            mrussotto@speakeasy.net
"Extremism in defense of liberty is no vice, and moderation in pursuit
of justice is no virtue."  But extreme restriction of liberty in pursuit of 
a modicum of security is a very expensive vice.