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? > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ******************************************************** For information, services and offers, please visit our web site: http://www.klm.com. This e-mail and any attachment may contain confidential and privileged material intended for the addressee only. If you are not the addressee, you are notified that no part of the e-mail or any attachment may be disclosed, copied or distributed, and that any other action related to this e-mail or attachment is strictly prohibited, and may be unlawful. If you have received this e-mail by error, please notify the sender immediately by return e-mail, and delete this message. Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or its employees shall not be liable for the incorrect or incomplete transmission of this e-mail or any attachments, nor responsible for any delay in receipt. Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal Dutch Airlines) is registered in Amstelveen, The Netherlands, with registered number 33014286 ******************************************************** ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN