motorola 6800

from The Free On-line Dictionary of Computing (8 July 2008)

Motorola 6800
6800

   <processor> A {microprocessor} released shortly after the
   {Intel 8080}, in about 1975.  It had 78 instructions,
   including the undocumented HCF ({Halt and Catch Fire}) bus
   test instruction.  The 6800 evolved into the {Motorola 6801}
   and 6803.

   The {6502} was based on the design of the 6800 but had one
   less data register and one more {index register}.

   (1994-10-31)