A PC instruction is just an Instruction, not an Interrupt, so there is no 
Interrupt handler involved and no new PSW loaded.

Kees.


> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
> Behalf Of SUBSCRIBE IBM-MAIN Anonymous
> Sent: 28 August, 2019 8:36
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Assembler :- PC Instruction
> 
> I have a question on PC instruction for which I have been looking for an
> answer for quite sometime now. According to "Priciples of operations"
> manual, execution of an SVC instruction causes a new PSW to be loaded from
> x'1C0' (SVC FLIH), and program interruption causes a new PSW loaded from
> x'1D0' (Program Interruption FLIH). Now my question is what happens when a
> "PC" instruction is executed. Does a new PSW gets loaded from a pre-
> determined location (like SVC/program interrruption) or it's all handled
> through some micro code?
> 
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