classiccmp-digest V1 #163

From: Historical_at_aol.com <(Historical_at_aol.com)>
Date: Mon May 8 19:58:38 2000

In a message dated Mon, 8 May 2000 00:27:26 -0400 (EDT), Sean 'Captain
Napalm' Conner" <spc_at_armigeron.com> writes:

<< Again, to bring this back on topic, there have been plenty of operating
systems distributed in ROM---AmigaOS, QNX, OS-9 and the original MacOS were
all contained in ROM, were/are ROMmable and extensible. And all are older
than 10 years old. Even MS-DOS came in ROM format for some computers
(although I'm not sure if it ran out of ROM, or was copied to RAM before
running). >>

The Mac OS has never been fully contained in ROM. Starting with the Lisa in
1983 and the original Mac in 1984, Apple used a 64k ROM that contained GUI
program routines (the Macintosh ToolKit). These machines still had to boot a
floppy which made calls to the ROM.

Best,

David Greelish
Publisher
Classic Computing Press
www.classiccomputing.com
Received on Mon May 08 2000 - 19:58:38 BST