This software displays ASCII 32 to 127 on 4 lines, with each line having 12 characters.
Charcter 127 has been changed to the degree symbol.  ASCII characters 128 to 255 are
commented out to save space.

The delay routines are supplied with the HiTech Compiler.

Port Connections on the 16F877 are:
RB3 = A0P
RD6 = SCL
RD7 = SI
RE2 = Reset

Issue 2 - 26/05/2004.  Several minor changes, code size reduced.
Issue 3 - 28/05/2004.  Reference to PIC port connections

The checksum of the code is A9CF.

