LTCC PROM Array Generation Program Description
             -----------------------------------------------
22-JUN-1993 

This file describes the program that translates a Large Tile PROM Array
generator program into the binary file required to program the PROMs for
the LTCCs.  The PROMs data generated works in any reference set or
Large Tile position for either Tier 2 or Tier 3.


Inputs:
-------

The LTCC_PROM program requires one input: the name of the output binary
file.  All necessary data is generated in the program.

Outputs:
--------

The output file is the binary file which may be transfered via Kermit to
the IBM-PC PROM programmer (VARIX or Sprint Plus).


Rules and Syntax of the Input LTPROM File:
--------------------------------------------------------

1. The LTPROM file uses the ASCII format.

Program design and layout:
--------------------------

1. The basic working array for building the LTPROM is the LT_ARRAY
   (this is an Integer*2 array which is 2048 elements long).

2. The LTCC_PROM executable code is generated by the LTCC_PROM_CONSTRUCT
    command file.

3.  The integer and binary values of each of the array elements is
    automatically written to LT_PROM.DAT.

4. Program layout

   Main_line
     call the announce the program routine
     call the working section of the routine
        Initialize variables 
        Generate the data array
        Write array information to LT_ARRAY.DAT
        Write data to binary output file
          If filename of binary output file is null then return
          Else open and write the binary output file, close the file, return
     announce normal exit
     exit

6. Naming convintions
   All names are of the form:  LTCC_PROM_...ext