C64-C128 CP-M Cartridge Interest

[Jim Brain]

On 12/25/2010 1:52 PM, allison wrote:
> I looked at that port, it's not Z80 compatible.  CP/M and all had to 
> be re-assembled
> for the eZ80.  Same would be required to run many of the apps and 
> utilities.
Well, that's a disappointment.  It looked like such a time saver.

>
>
> I've implemented CPm on Z80 with less than 16 pcs TTL, memory, EPROM 
> and CPU total and that was using
> 32K ram x2 (there are 64K parts!).  The IDE, CF or SD interfaces can 
> be pretty trivial with SD and CF being
> preferred as CF does do an 8bit mode, and SD is a serial interface 
> with only a few lines.  That leaves the
> more interesting IO, user console, and ports to run a printer or 
> communicate with maybe a PC. [note
> one port with the right protocol can do all that if the host is 
> playing terminal, printer, storage].

Maybe I should just see if there is a schematic of a minimal Z80 system 
(fewest ICs possible) and go from there.

Jim