Hazeltine 1200

[Allison]

>
>Subject: Re: Hazeltine 1200
>   From: Dave McGuire <mcguire at neurotica.com>
>   Date: Fri, 07 Dec 2007 00:54:03 -0500
>     To: "General Discussion: On-Topic Posts Only" <cctech at classiccmp.org>
>
>On Dec 6, 2007, at 4:22 PM, Tony Duell wrote:
>>>    I'm also curious about what processor it's built around, if you
>>> don't mind checking.
>>
>> Why does it have to have a processor at all? A number of the older
>> terminals, both 'glass TTYs' and those with some limited control code
>> response, like cursor positioning, were built from simple TTL (etc)
>> chips. Sometimes the artchitecture was something like a processor (DEC
>> VT5x, for example), sometimes it was just random logic.
>
>   Of course it doesn't *need* to have a processor in the traditional 
>sense...I was just assuming that it would, as I was guessing it wasn't 
>much older than 1420 I had years ago.  I could certainly be wrong.

It's much older than 14xx  maybe at least two generations.  Actually the
14xx series was near the end of the line for Hazeltine designs and I 
remember being then for it in mid 78. By then they almost had the 
15xx series working in production.


Allison


>            -Dave
>
>--
>Dave McGuire
>Port Charlotte, FL