You want to look at this manual. https://vt100.net/docs/vt220-rm Vt100 doesn't support soft char sets but vt220 on does.
Wayne > On Jan 5, 2023, at 10:46 PM, David Griffith via cctalk > <cctalk@classiccmp.org> wrote: > > > I'm trying to figure out how to created and load a "soft character set" into > a vt220 terminal. These documents: > https://vt100.net/shuford/terminal/dec_vt220_codes.txt, and > https://vt100.net/docs/vt510-rm/DECDLD.html, seem to talk about how to do it, > but I don't follow this well. I'm guessing the fonts are made up of escape > sequences. Then I guess they are loaded by simply printing them to the > terminal. If that's the case, where are the examples of such sequences? > > Playing around with vttest, there's an option to "Test Soft Character Sets" > in the "VT220 Tests" menu. But I get the error message "You did not specify > a font-file with the -f option". Where can I find examples of that file? > > Putting these together, I'm guessing what vttest wants is a file containing > sequences described in those two documents. So, where do I go from here? > > > -- > David Griffith > d...@661.org > > A: Because it fouls the order in which people normally read text. > Q: Why is top-posting such a bad thing? > A: Top-posting. > Q: What is the most annoying thing in e-mail?