Re: IMOGen Test Card & Teletext Generator
Absolutely fantastic!
One observation - I would have preferred a more optimistic weather forecast ...
This reminds me of a Philips pattern generator we had in the late 80s which generated a teletext test page using only one line per field!
I can't remember anything about the test page - except that I thought it was rubbish! So, I took the test page from our Viewdata system, modified it slightly, and replaced the PROM image in the generator.
I recalled a bit of the Broadcast Teletext Specification which, as far as I know, anybody has ever used, which says that rows can be transmitted in any order.
As rows 11 and 12 of my page contained ENGINEERING TEST PAGE in double height, I started with that, followed by rows 13, 10,14,9,15,8 etc.
With the page spread over 24 frames, the appearance was reminiscent of a faster version of the well known Thames TV ident ...
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