     $D0B6/53430/SCPU+70:   Processor Emulation-/Reset Flag

       +-------+--------------------------------------------------------+
       | Bit 7 |   Processor Emulation Mode Flag: 1 = Emulation         |
       | Bit 6 |   Reset Switch Flag: 1 = Switch Pressed (V1 only!)     |
       +-------+--------------------------------------------------------+

         This register is read only with hardware registers disabled,
         Read/Write with hardware registers enabled, write access reserved
         for system only.