Installing disc 6 (Fortran 77)

               SETTING UP THE FORTRAN-77 COMPILER ON THE ARM
                
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To set up the Fortran-77  compiler  on  your winchester it is essential to
set up:
  
1. The "library" directory structure.
2. The "execlib" directory structure.
3. The "tmp" directory structure.
4. The "f77" compiler directory structure.
5. The "f77_files" directory structure.

1. Setting up the library directory structure.

- Ensure that the library directory  exists  "$.library". 
- Copy  the files in  "$.library"  on this disc into the library directory
  on your  winchester.

   The files are:
                 i. "fpe" - floating point emulator.
                ii. "f77" - A renamed command program.
               iii. "f77q"- A renamed command program.

2. Setting up the execlib directory.

-  Ensure that the "execlib" directory exists as "$.execlib"
-  Copy the files in "$.execlib" on this disc into the "execlib" directory on
   your   winchester.  

   the files are:  

          i. "f77" - The command file used by the "f77" command program.
         ii. "f77q"- The command file used by the "f77q" command program.

3. Setting up the "tmp" directory

-  Ensure that the "tmp" directory exists as "$.tmp" on your winchester.
     This directory is used to hold temporary command files.

4. Setting up the "Fortran-77" compiler directory

- This directory may be placed anywhere, for example "$.language.f77"
-  Copy the files in  "$.f77"  on  this disc into the "f77" directory that
   you have set up.

     The files are:
                   i. "f77fe" -   The front end compiler.
                  ii. "f77cg" -   The code generator.
                 iii. "Xlib_f77"- The run time library.

5. Setting up the f77_files directory.

-  Ensure  that the directory exists as "$.f77_files".           
-  Ensure that the "f77_files" directory contains the sub directories:

         i. "image"
        ii. "source"
       iii. "list"
        iv. "aof"
         v. "fcode"

     The directory structure should now look something like this:
                           
                            $
                            :
         -----------------------------------------             
         :     :          :        :             :
     library   tmp     execlib  language     f77_files
         :                :        :             :
     --------------               -----       -----------------------------
     :   :   :    :               :   :       :       :    :     :     :   :
                                     f77   source  image aof  fcode list map






To compile Fortran-77 programs.

-  Place your source program into  the directory "source" which is in your
   "f77_files"  directory.  There  is an example program on this  disc  in  the    directory "$.f77.source" which prints "hello world".
-  Ensure that your current directory is your "f77" directory.
-     Type:

        f77q your_source_program_name <RETURN>

-  The  program  will  be compiled, with  all  errors  reported  and  the
   resulting executable program will be in the directory "f77_files.image".


For more information on the  fortran  compiler refer to the manual "fortran 77"
and on the command file refer to the "Utilities User Guide".