PIC
     ---
     Program Memory : up to 2 Mbytes, Linear, readable/writable
     Call Stack : 31 levels, readable/writable
     Address Push/Pop : Yes
     Parameter Stack : 4K, direct and indirect address,
                        3 separate indirect (stack) pointers
     Parameter Push/Pop : Yes
     Code compatible with 16C74
     Enhanced PIC instruction set:
        Single word instructions execute in one cycle (except when prefetch
                                                     flushed)
        4 double word instructions
        9 Branch Instructions
     Priority Interrupts
     Fast Interrupt/CALL stack for auto-context register save/restore,
             independant from normal CALL and Parameter stacks.


     This is for the 18Cxxx parts.

     Darrel