[TUHS] Seeking wisdom from Unix Greybeards
Clem Cole
clemc at ccc.com
Thu Feb 11 08:26:10 AEST 2021
On Wed, Feb 10, 2021 at 1:57 PM Greg A. Woods <woods at robohack.ca> wrote:
> As an aside, the DEC VT100 terminal was an early (it came out a year before
> X3.64)
Yup, It was spec'ed at least a year ahead and its the code was
committed before the standard was even in a draft vote.
> and relatively complete (for a video terminal application) implementation
> of X3.64.
>
Although different from and the missing stuff was a bear. Originally,
VT100 != X3.64 which has caused many issues over the years. The big
issue was the lack of a proper insert/delete, it used scrolling regions
instead. Kudos to Mary Ann for working through that whole mess years ago!
That's why back in the day, I preferred the H19 and later the Ambassador ;-)
My memory is that was ECMA that got the DEC changes/differences added/put
back/made legal. But originally, there were not. At one point, I had a
copy of the internal DEC documentation (which I think I got from Tom Kent
who wrote much of the rom code and had been on the committee for DEC at one
point, but I don't remember).
Clem
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