360 Assembly/360 Instructions/ISK
ISK - Insert Storage Key - Opcode 09 - RR Instruction (360 Only) Privileged Instruction
|RR Instruction (2 bytes)|
- The first argument is a target register which value is affected by the instruction.
- The second argument is the source register.
- The target register and source register values are 0 to 15.
- ISK R1,R2
The ISK instruction is available only on 360 models. It is a privileged instruction.
Purpose of Instruction
This is a privileged instruction, and is only available on the 360 series. The ISKE instruction is available on later 370 and zSystem processors.
Condition codes are not changed.
Exceptions and Faults
- Privileged Operation
- Invalid Opcode (370 and z/System)
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