XT Layers for DMD/blit terminals (was: Re: Unix PC 3.51 smgr)

[Lenny Tropiano]

In article <WJC.90Feb17204827 at hoswjc.ho5cad.ATT.COM> 
william_j_carpenter at ATT.COM (Bill Carpenter) writes:

|>lenny> I don't know how they work, or if they work at all.  I'm not
|>lenny> fortunate to own (or work with) a 630 terminal... but the
|>lenny> xt-layers, and appropriate drivers was already ported to the
|>lenny> UNIX pc.  You'll find it part of the 3.51 Development Set
|>
|>Now for the quasi-bad news.  You can't dial into your UNIXpc on ph0/1
|>and run layers.  I forget the exact failure mode, but I think "layers"
|>claimed ph1 wasn't a tty.  ("Oh, yeah?  Sez who?")
|>
[...]
You might *try* to link /dev/phN to /dev/ttyphN.  I've seen programs
that strncmp(ttydevice, "/dev/tty", 8) to check for the validity of
the tty devices.  I don't know if this is *one* of those :->

-Lenny
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