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README.md

XDS Modula-2 examples ⬆

Modula-2 Directory xds-examples\ contains Modula-2 code examples taken from the XDS Modula-2 distribution.

e Example

This project has the following directory structure :

> tree /f /a . | findstr /v /b [A-Z]
|   build.bat
|   build.sh
|   Makefile
\---src
    \---main
        +---mod
        |       e.mod
        \---mod-adw
                e.mod

Command build.batclean run generates and executes the Modula-2 program target\e.exe :

> build -verbose clean run
Create XDS project file "target\e.prj"
Compile 1 Modula-2 source file into directory "target"
O2/M2 development system v2.60 TS  (c) 1991-2011 Excelsior, LLC. (build 07.06.2012)
Make project "F:\xds-examples\e\target\e.prj"
XDS Modula-2 v2.40 [x86, v1.50] - build 07.06.2012
Compiling "mod\e.mod"
no errors, no warnings, lines   95, time  0.02
New "tmp.lnk" is generated using template "C:/opt/XDS-Modula-2/bin/xc.tem"

XDS Link Version 2.13.3 Copyright (c) Excelsior 1995-2009.
No errors, no warnings
Execute program "target\e.exe"
Please wait, calculating first 20000 digits of 'e'...
e = 2.71828182845904523536028747135266249775724709369995
      95749669676277240766303535475945713821785251664274
      [...]
      01678781532061600905769340490614617660709438011091
      54432619290007452098959592011594123241022748454826

Similarly, command build.shclean run generates and executes the Modula-2 program target\e.exe :

> sh build.sh -verbose clean run
Delete directory "target"
Compile 1 Modula-2 source file into directory "/f/xds-examples/e/target"
O2/M2 development system v2.60 TS  (c) 1991-2011 Excelsior, LLC. (build 07.06.2012)
Make project "F:\xds-examples\e\target\e.prj"
XDS Modula-2 v2.40 [x86, v1.50] - build 07.06.2012
Compiling "F:\xds-examples\e\target\mod\e.mod"
no errors, no warnings, lines   95, time  0.01
New "tmp.lnk" is generated using template "C:/opt/XDS-Modula-2/bin/xc.tem"

XDS Link Version 2.13.3 Copyright (c) Excelsior 1995-2009.
No errors, no warnings
Please wait, calculating first 20000 digits of 'e'...
e = 2.71828182845904523536028747135266249775724709369995
      95749669676277240766303535475945713821785251664274
      [...]
      01678781532061600905769340490614617660709438011091
      54432619290007452098959592011594123241022748454826

Finally, command makeclean run generates and executes the Modula-2 program target\e.exe :

> make --quiet clean run
O2/M2 development system v2.60 TS  (c) 1991-2011 Excelsior, LLC. (build 07.06.2012)
Make project "F:\xds-examples\e\target\e.prj"
XDS Modula-2 v2.40 [x86, v1.50] - build 07.06.2012
Compiling "mod\e.mod"
no errors, no warnings, lines   95, time  0.02
New "tmp.lnk" is generated using template "C:/opt/XDS-Modula-2/bin/xc.tem"

XDS Link Version 2.13.3 Copyright (c) Excelsior 1995-2009.
No errors, no warnings
Please wait, calculating first 20000 digits of 'e'...
e = 2.71828182845904523536028747135266249775724709369995
      95749669676277240766303535475945713821785251664274
      [...]
      01678781532061600905769340490614617660709438011091
      54432619290007452098959592011594123241022748454826

exp Example

This project has the following directory structure :

> tree /f /a . | findstr /v /b [A-Z]
|   build.bat
|   build.sh
|   Makefile
\---src
    \---main
        \---mod
               exp.mod

Command build.batclean run generates and executes the Modula-2 program target\exp.exe :

> build -verbose clean run
Create XDS project file "target\exp.prj"
Compile  Modula-2 source file into directory "target"
O2/M2 development system v2.60 TS  (c) 1991-2011 Excelsior, LLC. (build 07.06.2012)
Make project "F:\xds-examples\exp\target\exp.prj"
XDS Modula-2 v2.40 [x86, v1.50] - build 07.06.2012
Compiling "mod\exp.mod"
no errors, no warnings, lines  103, time  0.00
New "tmp.lnk" is generated using template "C:/opt/XDS-Modula-2/bin/xc.tem"

XDS Link Version 2.13.3 Copyright (c) Excelsior 1995-2009.
No errors, no warnings

   e = 2.7182818284590452353602874713526624977572470936999595749669676277
   64    2407663035354759457138217852516642742746639193200305992181741359
  128    6629043572900334295260595630738132328627943490763233829880753195
  192    2510190115738341879307021540891499348841675092447614606680822648
  256    0016847741185374234544243710753907774499206955170276183860626133
  320    1384583000752044933826560297606737113200709328709127443747047230
  384    6969772093101416928368190255151086574637721112523897844250569536
  448    9677078544996996794686445490598793163688923009879312773617821542
  512    4999229576351482208269895193668033182528869398496465105820939239
  576    8294887933203625094431173012381970684161403970198376793206832823
  640    7646480429531180232878250981945581530175671736133206981125099618
  704    1881593041690351598888519345807273866738589422879228499892086805
  768    8257492796104841984443634632449684875602336248270419786232090021
  832    6099023530436994184914631409343173814364054625315209618369088870
  896    7016768396424378140592714563549061303107208510383750510115747704
  960    1718986106873969655212671546889570350354021234078498193343210681
 1024

queens Example ▴

This project has the following directory structure :

> tree /f /a . | findstr /v /b [A-Z]
|   build.bat
|   build.sh
|   Makefile
\---src
    \---main
        +---def-adw
        |       InOut.def
        |       Strings.def
        +---mod
        |       queens.mod
        \---mod-adw
                InOut.mod
                queens.mod
                Strings.mod

Command build.batclean run generates and executes the Modula-2 program target\queens.exe :

> build -verbose clean run
Delete directory "target"
Create XDS project file "target\queens.prj"
Compile  Modula-2 source file into directory "target"
O2/M2 development system v2.60 TS  (c) 1991-2011 Excelsior, LLC. (build 07.06.2012)
Make project "F:\xds-examples\queens\target\queens.prj"
XDS Modula-2 v2.40 [x86, v1.50] - build 07.06.2012
Compiling "mod\queens.mod"
no errors, no warnings, lines   43, time  0.01
New "tmp.lnk" is generated using template "C:/opt/XDS-Modula-2/bin/xc.tem"

XDS Link Version 2.13.3 Copyright (c) Excelsior 1995-2009.
No errors, no warnings
Eight Queens Problem Benchmark
------------------------------

There are 92 solutions

The output directory target\

> tree /a /f target | findstr /v /b [a-z]
|   queens.exe
|   queens.obj
|   queens.prj
|   tmp.lnk
+---bin
|       Terminal2.dll
|       Terminal2.lib
+---mod
|       queens.mod
\---sym
        Terminal2.sym

> type target\queens.prj
-cpu = 486
-lookup = *.sym = sym;C:\opt\XDS-Modula-2\sym
-lookup = *.dll|*.lib = bin;C:\opt\XDS-Modula-2\bin
-m2
% recognize types SHORTINT, LONGINT, SHORTCARD and LONGCARD
% -m2addtypes
-verbose
-werr
% disable warning 301 (parameter "xxx" is never used)
-woff301+
% disable warning 303 (procedure "xxx" declared but never used)
-woff303+
!module F:\xds-examples\queens\target\mod\queens.mod
!module F:\xds-examples\queens\target\bin\Terminal2.lib

mics/July 2026 ▲