> Griff asks:
> > However, when I do something that would cause a VPLUS screen to come
> > up, it loses. How can I get them working? I am using an Xterm on the
> > Unix side, which is essentially a VT100/VT102, and I am accessing the
> > serial port with a command called 'tip'.
> You're probably stuck.  VPLUS assumes you hav an HP-compatible terminal,
> and the xterm (emulting a VT100/VT102) is *not* HP-compatible.
>
> Another alternative is to investigate getting a third party Unix-based
> HP terminal emulator (with or without NS-VT capabilities).
> [...]
> Finally, Dan Hollis freeware vt3k may be of help as well, although it is
> a *transport* mechanism, not an *emulator*.
 
vt3k does include an X client (xhpterm) that does do HP emulation. You
may be able to use it for VPLUS. (it works for NMMGR, anyway).
 
The character mode vt3k does have an option to convert HP escape codes
to VT100 escape codes on the fly, but it does not support block mode.
 
-Dan