OP = 8B
AF is unused and reserved.
A processor in IDLE mode is sensitive to ALL Condition Interrupts.
Whenever an IDLE processor responds to an interrupt it performs an Interrupt Procedure.
This instruction may only be executed with Privileged Enable set or an Invalid Instruction (IEX = 02) fault is reported.
The Comparison Flags are not affected by this instruction.
Field overlap is not applicable to this instruction.