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Graphics extension #16
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I'm not sure if there are any applications that use this? The RFC is written by RMS, so I'm assuming it was done with ITS in mind. @dabridgham, what do you think? |
The protocol allows for both vector and bitmap displays. |
I always wondered what graphical programs ran on ITS that used this extension. SUDS maybe? Or could someone port SpaceWar to it? I never paid much attention to the Graphics Extension as I didn't know of any use for it. Now the Local Editing Protocol, that interested me, though I never got around to implementing it either. I wanted to put it in the Unix SUPDUP server for line editing. |
Thanks. It's no use if there are no applications. |
@ams, the Lisp Machines used SUPDUP, right? Would the applications use the graphics extension? |
Ask RMS, maybe?
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He was rather brusque that one time I for TECO advice. But yes, I'll do that. |
Found an app: PDP-10/its#635 |
Also some Lisp code by David C Plummer. Is he around? |
RMS has forgotten all about the graphics extension. He didn't even remember the RFC and section in AIM-644 he wrote. |
I will check the Lisp Machine System code and see if it was ever implemented there. But I am not aware of any system that used the graphic extensions. |
Thanks. Keep an eye out for DCP code. |
New information from DCP:
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Another application: The Versatec/Gould printer spooler can display files using SUPDUP graphics. CC @atsampson |
Maybe use the Tektronix emulator built into xterm? |
The Lisp Machine system has graphics support for SUPDUP, at least since System 78; see SYS: WINDOW; SUPDUP LISP. |
I think maybe graphics is better added to PuTTY (once SUPDUP support is merged), than this repository which is decidedly text oriented. |
See RFC 746, The SUPDUP Graphics Extension.
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