3270 pc

[JohnElliott]

I'm still learning more about these things. It amazes me how little documentation there is about them online.

For example, I had no idea until this week that the Programmed Symbols board could be coaxed into doing something like this.

 

[patscc]

Cool! What is that, a BBC test pattern ?
patscc

 

[JohnElliott]

Yes: Test Card J.

 

[barythrin]

Did you win the won on ebay recently or just coincidence?

 

[JohnElliott]

Coincidence. I was just trying to work out what the messages in the diagnostic utility about 'triplane fonts' related to.