Bruce's original definitions for the spl/ipl code when running on the old PIC's.
Bruce's original definitions for the spl/ipl code when running on the old
PIC's.

Reviewed by: bde

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase