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--- tutorials:lisp [2017/03/10 04:58]
papa
+++ tutorials:lisp [2022/03/15 05:07] (current)
smj
@@ Line 18: / Line 18: @@
 Before running MACLISP, you must define the following logical name:
-''@DEFINE LISP: <MACLISP>''
+''@DEFINE MACLISP: PS:<MACLISP>''
 (You can add the above line to your LOGIN.CMD file to automatically define the logical name for all of you TWENEX sessions.)
@@ Line 24: / Line 24: @@
 It is also recommended that you create a Maclisp init file (''LISP.INI'') in your home directory with the following contents:
-'';;; A very typical init file          -*- Mode:LISP; -*-
+  ;;; A very typical init file / Emacs mode--> -*- Mode:LISP; -*-
-(COMMENT) ;magic
+  (COMMENT) ;magic
-(PROGN ; real init file stuff
+  (PROGN ; real init file stuff
-  (SETQ BASE 10. IBASE 10. *NOPRINT NIL) ;base-10 display
+    (SETQ BASE 10. IBASE 10. *NOPRINT NIL) ;base-10 display
-  (SETQ NOUUO T *RSET T) ;these make debugging easier
+    (SETQ NOUUO T *RSET T) ;these make debugging easier
-  (SSTATUS FEATURE NOLDMSG) ;supress module load messages
+    (SSTATUS FEATURE NOLDMSG) ;supress module load messages
-  '*) ;return an asterisk for Maclisp to print out''
+    '*) ;return an asterisk for Maclisp to print out
 === LEDIT ===
+''LEDIT'' is a software package that allows a programmer to inspect, modify, and save Lisp source expressions from within a Maclisp session, abilities Maclisp itself lacks. This is achieved  by calling the Emacs editor from the programmer's Maclisp session.
+To use LEDIT:
+  - Start Maclisp and load your source file.
+  - Evaluate ''(LOAD "LISP:LEDIT.FASL")'' (You may add this line to your LISP.INI file and eliminate this step.)
+  - Evaluate ''(LEDIT)'' to switch to Emacs.
+  - Load the source file into Emacs (''^X ^F'').
+  - View, change, save source with Emacs commands.
+  - Flag function definitions to update in Maclisp with ''M-Z''.
+  - Return to Maclisp with ''^X Z''.
 ===== InterLisp-10 =====
@@ Line 44: / Line 56: @@
 The dialect was in a rivalry with Maclisp prior to the development of Common Lisp.
-===== References =====
+=== Set-up ===
-[[http://bitsavers.informatik.uni-stuttgart.de/pdf/xerox/interlisp/1974_InterlispRefMan.pdf|W. Teitelman. (1974). InterLisp Reference Manual [Online]. Available: http://bitsavers.informatik.uni-stuttgart.de/pdf/xerox/interlisp/1974_InterlispRefMan.pdf]]
+If you have set-up your TWENEX session for Maclisp (see above), you must undefine the logical name ''LISP:'' and set ''@DEFINE INTERLISP PS:<INTERLISP>'' before running InterLisp.
+===== References =====
 [[http://www.maclisp.info/pitmanual/index.html|K.M. Pitman. (2007, December 16). The Revised Maclisp Manual [Online]. Available: http://www.maclisp.info/pitmanual]]
-[[http://www.softwarepreservation.org/projects/LISP/book/Weismann_LISP1.5_Primer_1967.pdf|C. Weissman. (1967). Lisp 1.5 Primer [Online]. Available: http://www.softwarepreservation.org/projects/LISP/book/Weismann_LISP1.5_Primer_1967.pdf]]
+[[http://bitsavers.informatik.uni-stuttgart.de/pdf/xerox/interlisp/Interlisp_Reference_Manual_1974.pdf|W. Teitelman. (1974). InterLisp Reference Manual [Online]. Available: http://bitsavers.informatik.uni-stuttgart.de/pdf/xerox/interlisp/1974_InterlispRefMan.pdf]]
-----
-EMACS LEDIT mode
+[[http://www.softwarepreservation.org/projects/LISP/book/Weismann_LISP1.5_Primer_1967.pdf|C. Weissman. (1967). Lisp 1.5 Primer [Online]. Available: http://www.softwarepreservation.org/projects/LISP/book/Weismann_LISP1.5_Primer_1967.pdf]]
-//(Is LEDIT another Lisp dialect, or just a TOPS-20 Emacs (non-/pre-GNU/Elisp) mode for editing Lisp source code?)//
-  --> //LEDIT is a module for connecting MACLISP & Emacs. You can inspect, edit, & save source in Emacs, then evaluate/run it in MACLISP. It's documented in INFO. There's supposed to be another module to do the same with InterLisp. I'd like to figure out how to use this. -- papa//

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