- the CPU now looks at its own INTR field instead of the system-wide INTR.   When its INTR goes up, it calls acknowledge_int on its local APIC, instead   of calling BX_IAC on the pic model.
- the CPU now looks at its own INTR field instead of the system-wide INTR.
  When its INTR goes up, it calls acknowledge_int on its local APIC, instead
  of calling BX_IAC on the pic model.

marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet