old terminals...

Jules Richardson julesrichardsonuk at yahoo.co.uk
Thu Mar 15 11:21:22 CDT 2007


Richard wrote:
> In article <45F86F35.5080107 at yahoo.co.uk>,
>     Jules Richardson <julesrichardsonuk at yahoo.co.uk>  writes:
> 
>> Actually, yes, I was thinking along the lines of something which actually mad
> e 
>> use of the original firmware. That quite possible isn't practical though as 
>> presumably at least some vendors did something really oddball rather than 
>> using an off the shelf CPU :)
> 
> The weirder terminals don't use a CPU at all.  They use SSI/MSI TTL
> logic.

That's what I was wondering. Although I suppose that providing they have a 
design that can be coaxed into the same architecture as a typical terminal, 
then it doesn't matter as a box can be drawn around the bit that "looks" like 
a CPU.




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