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Forrest Howard. lisp.direction. 1975

by Paul McJones last modified 2010-12-02 18:38

Installation instructions for Harvard Lisp for PDP-11 Unix.

On this tape you will find the sources for Lisp, all the
on-line documentation for Lisp, and the library functions for
Lisp. You will also find a macro (that knows about half-kills)
and 3 linkr's (see below).

There are some modifications that you will have to make to
Lisp to run it on your system. These are the pathnames that the
system knows about and the switches that make the particular Lisp
configuration that you desire.

To get the Lisp you want, set the switches in sparm.m11 and play
with linkr and linkr.v6 as follows:

standard combined space Lisp (Bell 410):

multiseg = Bell411 = 0;
rm support/linkr.v6
mv support/linkr source/linkr

Version 5 Harvard format (5-space I&D):
(Not supported since V5 UNIX, 1976)

multiseg = 1;
Bell411 = 0;
rm support/linkr.v6
mv support/linkr source/linkr

Bell I&D format (V6 or V7 411)

multiseg = 1;
Bell411 = 1;
rm support/linkr

mv support/linkr.v6 source/linkr
OR
mv support/linkr.v7 source/linkr
(macro and linkr on V7 systems use I/D space)
(file "sysmac.sml" should reside in /lib/maclnk)

There are also other switches that you should be concerned
with:

version7
0=> V6/PWB system using old (2-word-inline) seek
1=> V7 system using long seeks
(note that version7=1 has only been tested with I/D
and hardware FPP -- s. dyer 3/8/81)

fpsim 0=> hardware fpp on 11/45
1=> 11/40 or no hardware fpp

gcrec 0=> when Lisp has gc stack overflow, die.
1=> when gc stack overflow occurs, recover

brksig 0=> take no special action when out of dotted pairs
?=> use this signal(interupt) to return to top level when
there are no dotted pairs. At Harvard, break (13) is used,
but there is no reason that that quit or the
like couldn't be used.

onepage (data space only users (410))
1=> Arrange things so that the text size is about
4k words. Do this by making some of the
"pure" text code live in the data segment.
provides about 1800 extra dtpr's at expense
of system overhead.

0=> put all text in sharable segments.












The pathnames that need attention are located in dstuf.m11.
Errorfile is the path of the errorfile, which is accessed each
screw-up. This path should be kept short, in order that system
overhead will be relatively low. Secondarly, fix the path of the
Lisp library directory, if necessary. The third path (which has
to be fixed only if you make an I&D Lisp) is lispbin, which is
where the saveme function gets its instructions (note that mfpi
doesn't work here). One may also wish to give attention to the
paths in the shrlisp command file, and to the paths in the file
svlisp.


One is now ready to make a Lisp. To do this utter:

% shrlisp

which will eventually (about 5-10 minutes) produce a ../l1100
file (assuming that you didn't change shrlisp). Then type:

% ../l1100 -

which will run Lisp, and write out the error file (that's why the
"-"). If the errorfile is ok, the system should respond

AM110 Lisp
->

If not, something like:

#nnnnnn ->

where nnnnnn is an integer indicating the message number re-
quested. After you have convinced yourself that Lisp is OK, do a

->(load '"../lib/svlisp")
nil
->(sv1)

->

a sequence which will 1) load the saux file and the hacks file 2)
purge the binding of saveme and 3) leave a file on the current
directory called code, which is executable and has the pre-loaded
auxfns contained. Place this in bin, and you are done. (You may
also wish to produce ed110, which is obtained by loading edit
before doing the (sv1)).

In the lib directory, there is the file saux ( which has the
auxillary functions, such as pp, get, put, etc.) and auxfns
(which is similar to aux, but has some functions defined that that
are now hand-coded in subr.m11). The file edit is the L110 in-
core editor. The functions of trace and bt should be obvious.
The file hack has the teco and tecf stuff, as well as update and
shell. If you do not have teco, prehaps this could be made to










work with ed, but I make no promises.

In the directory doc, there is an lman (lisp user documenta-
tion), and ed110 manuals. There is also the description of the
innards that we give our am110 students when they add stuff to
the interpreter. There is also a list insertion teco macro and
documentation that is useful if you have teco.

As far as I'm aware, Lisp is solid, and has survived over a
year of use. Recently, full core allocation overflow protection
has been added, and hopefully is throughly debugged. However, I
would appreciate knowing of any problems with the system.

Good luck, and feel free to contact me if there are any
problems.


Forrest Howard
95 Baker St
Belmont, MA 02178
617-489-0395
(1975 address; presently at
XEROX PARC-MAXC, CA)

(ps auxfns no longer fits on the tape, so it is not included
use saux)

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