On Wed, 29 Nov 2000, Tony Duell wrote:
> There's also a thing called a Sage II. It's a 68000-based single-board
> computer + 2 disk drives + PSU in a small-ish metal case. I seem to
> remember the standard OS for that is the P-system (although the machine
> would also run CP/M-68K). I don't know how common the machine is, though.
I've only ever seen one in my days and I passed it up because the price
was too high :(
> And of course there's the PERQ. It's not strictly a UCSD p-machine -- the
> instruction set is called 'Q-codes' and is an enhanced version of the
> P-code (with graphics operations, etc). It's a very similar instruction
> set, though. However the user interface to the OS is totally different
> (the P-system has a menu displayed across the top of the CRT and you
> type the first letter of a command to select it; the PERQ has a proper
> command line and/or pop-up menus with a mouse).
I scanned the Apple P-Code documentation and converted it to ASCII text,
and it can be found here:
http://www.siconic.com/crap/pascal
It includes a memory map for the Apple ][ as well as the P-Code opcodes,
so it's a particular juicy document to have if you're a P-Code hacker.
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger
http://www.vintage.org
Received on Wed Nov 29 2000 - 15:31:23 GMT