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From indep1!ddsw1!ucsd.edu!tcp-digest-relay Mon Sep 24 08:26:04 1990 remote from tosspot
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Date: Mon, 24 Sep 90 04:30:11 PDT
From: Advanced Amateur Radio Networking Group </dev/null@ucsd.edu>
Reply-To: TCP-Group@UCSD.Edu
TCP-Group Digest Mon, 24 Sep 90 Volume 90 : Issue 147
Today's Topics:
New FORTH
NOS under Windows
Send Replies or notes for publication to: <TCP-Group@UCSD.Edu>.
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Problems you can't solve otherwise to brian@ucsd.edu.
Archives of past issues of the TCP-Group Digest are available
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----------------------------------------------------------------------
Date: Mon, 24 Sep 90 09:37:08 +0200
From: klemets@sics.se
Subject: New FORTH
To: tcp-group@ucsd.edu
Just a brief note about the state of the NOS FORTH project.
A version 2.0 is available from sics.se. It is now much more like a
real Fig-Forth implementation, the major difference being that it
works on 32 bit integers.
A large part of the interpreters code is written in FORTH, and even
more of it may eventually be rewritten in FORTH.
My idea is that remote users should be able to write and execute FORTH
programs in NOS. To prevent users from from crashing NOS, I have
implemented an elaborate memory management scheme.
The FORTH interpreter uses paged segmentation for all memory references.
The user sees memory as a continous address space when it really
consists of fixed size blocks which are allocated as needed.
Pages can be read only, and global variables can be mapped into 4 byte
pages. Different processes can share the same vocabulary on a
copy-on-write basis, or use plain read-write shared memory.
There's only one big problem with the FORTH interpreter really, it has
turned so terribly slow...
Anders
------------------------------
Date: Sun, 23 Sep 90 21:56:29 UTC
From: iw0cnb@tomcat.gsfc.nasa.gov
Subject: NOS under Windows
To: tcp-group@ucsd.edu
Anybody trying to use NOS under Windows 3.0 ??
I have tried to, but it loses characters at 4800 baud on a 20 Mhz 386,
with 8250 UARTS.
Everything works OK with the SLIP modem at 1200 baud.
Maybe I should try 16550 chips, but they are difficult to find in Italy.
If anybody can help, it would be nice to have
NOS working under Windows.
iw0cnb@tomcat.gfsc.nasa.gov
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End of TCP-Group Digest
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