Roy J. Tellason
rtellason at verizon.net
Sat Sep 1 15:32:25 CDT 2007
On Wednesday 29 August 2007 03:44, der Mouse wrote:
> > as most of us know, the IBM PC and PC/AT (I think) have extra rom
> > sockets. If you want to obtain a dump of an eprom, could you simply
> > plug them into these spare sockets and use Debug or whatever to
> > capture an image? Seems straitforward enough, but I figured it
> > wouldn't hurt to ask...
> Perhaps - if you have such a machine. (I don't.)
> I cobbled together a breadboard of TTL (mostly latches/counters and
> muxes) which, with suitable software support on the host, lets me read
> ROMs via a parallel port. It's not especially fast, but it's a good
> deal faster than a serial line....I really need to transfer it from a
> breadboard to something a bit more permanent. If there's interest I
> can draw up a schematic and parts list....
That would be of interest to me. Also of interest would be something similar
that would allow writing to a RAM chip that would appear as read-only to an
8-bit target system. I have *lots* of TTL on hand here... :-)
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
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