Z-100 serial ports

From: Don Maslin <donm_at_cts.com>
Date: Thu Jan 24 13:55:25 2002

On Thu, 24 Jan 2002, Glen Goodwin wrote:

> Although I have (I believe) all of the manuals for the Zenith Z-100 (not
> Z-100 pc), I cannot find any reference to the serial ports on this box.
>
> What are the addresses of the DTE and DCE ports? I'd like to write some
> assembly code to access these devices (under CP/M-86) but want to control
> them at the hardware level instead of making BDOS calls.
>
> Any help out there?
>
> TIA,
>
> Glen
> 0/0

The overlay for MEX (CP/M-80) says that the modem port - presumably
DTE - is 0D8H. It does not mention the DCE port. Do both processors
share the same seriak and parallel ports?
                                                 - don
Received on Thu Jan 24 2002 - 13:55:25 GMT