27 Apr
2008
27 Apr
'08
1:15 p.m.
On Sunday 27 April 2008 15:06, Eric Smith wrote:
Roy wrote:
Yeah, well, I never did get much into the -86 version anyhow, never liked
that CPU all that much. I can wrap my head around the Z80 and similar parts
a whole *lot* easier. :-)
And masked ROM? Not for me, that's for some manufacturer who can afford to
amortize the setup costs never mind the lack of re-usability in those parts.
I'll stick to EPROMs or similar, thanks anyway...
Now there are all these empty EPROM sockets on my BBII, and I can stick up to
4K in each on, that should do it, I guess.
--
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, ?a critter that can
be killed but can't be tamed. ?--Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James
M Dakin
For that matter, why not shove most of CP/M into
ROM?
You've just reinvented the Intel 80150 "Operating System Processor".
The Intel 80130 and 80150 contain 16KB of masked ROM, three timers, and
an interrupt controller. The 80130 ROM contains the iRMX-86 kernel;
the 80150 ROM contains CP/M-86.