68000 coprocessor board
Gordon JC Pearce
gordonjcp at gjcp.net
Sat May 16 10:26:19 CDT 2009
On Fri, 2009-05-15 at 23:27 -0400, Mike Loewen wrote:
> I'm trying to find some documentation for an HSC C016 processor board,
> which came with an IMSAI 8080 I acquired. It has a Motorola 68000 8MHz
> processor, and connects to a Cromemco ZPU board in the IMSAI via a small
> daughterboard which plugs in underneath the Z80A. I have a 8" disk for it
> which has CP/M 68K and some software for switching back and forth between
> processors (apparently).
> I've been able to find only a few references to this board, and no
> documentation. Does anyone here have experience with this setup, or know
> where to find docs? Thanks.
Well, the daughterboard looks like it takes an EPROM and maps it into
memory somewhere. There are a couple of octal buffers and a comparator
on there, so presumably you set where it falls in the address space with
the DIP switch.
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