360 Assembly/360 Instructions/LPSW
LPSW - ? - Opcode 82 - Privileged Instruction
Example usage[edit | edit source]
Availability[edit | edit source]
The LPSW instruction is available on all models. It is a privileged instruction.
Purpose of Instruction[edit | edit source]
This instruction allows a privileged program to load the entire contents of the PSW from a location. The typical usage would be for an Operating System to set up the next task to run, or to return control to a problem program after completing processing of a Supervisor Call
Typical Usage[edit | edit source]
Operation[edit | edit source]
This is a privileged instruction, and is available on the 360 only. LPSWE is used on 370 and z/System.
Exceptions and Faults[edit | edit source]
- Privileged Operation
- Invalid Opcode (370 and z/System)
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