680x0
  68040, 479
  Cache, 479
  caches, 477
  CopyBack mode, 479
  development guidelines, 15
  Exceptions, 473
  Floating Point Unit, 477
  FPU, 477
  GetCC(), 478
  Interrupt stack, 477
  ISP, 477
  Master stack, 477
  MSP, 477
  Paged Memory Management Unit, 477
  PMMU, 477
  programming guidelines, 17
  Register usage conventions, 
  self-modifying code, 478
  SetSR(), 478
  SSP, 477
  Stack, 477
  Supervisor Mode, 477
  Supervisor stack, 477
  User stack, 477
  USP, 477