TRS-80 Model I

[Chuck Guzis]

On 3 Feb 2007 at 20:12, woodelf wrote:

> > Like when?
> I can't think of any small computer or PC that does that?

Ever use MP/M?  

 We were certainly doing it at Durango in 1979--servicing 5 terminals 
with a single 3.5 MHz 8085.  And there were others.

The problem was that with the Apple IIe, you didn't even have the 
luxury of servicing a comms interrupt without disrupting a disk 
transfer.

Cheers,
Chuck