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- Program_status_word abstract "The Program status word (PSW) is an IBM System/360 architecture and successors control register which performs the function of a Status register and Program counter in other architectures, and more.Although certain fields within the PSW may be tested or set by using non-privileged instructions, testing or setting the remaining fields may only be accomplished by using privileged instructions.Contained within the PSW are certainly the zero (non-zero) and carry (borrow) flags and similar flags of other architectures' status registers, in this case encoded as a condition code with values from 0 to 15, representing the arithmetic sum of the four condition code bit values, 23 + 22 + 21 + 20.The 64-bit PSW describes (among other things) Interrupt masks Privilege states Condition code Instruction addressIn the early instances of the architecture (System/360 and early System/370), the instruction address was 24 bits; in later instances (late System/370), the instruction address was 31 bits plus a mode bit (24 bit addressing mode if zero; 31 bit addressing mode if one) for a total of 32 bits.In the present instances of the architecture (z/Architecture), the instruction address is 64 bits and the PSW itself is 128 bits.The PSW may be loaded by the LOAD PSW instruction (LPSW or LPSWE). Its contents may be examined with the Extract PSW instruction (EPSW).".
- Program_status_word wikiPageID "3299290".
- Program_status_word wikiPageRevisionID "589731684".
- Program_status_word hasPhotoCollection Program_status_word.
- Program_status_word subject Category:Central_processing_unit.
- Program_status_word subject Category:Control_flow.
- Program_status_word subject Category:Digital_registers.
- Program_status_word subject 360_mainframe_line.
- Program_status_word subject Category:Programming_idioms.
- Program_status_word type Abstraction100002137.
- Program_status_word type Communication100033020.
- Program_status_word type DigitalRegisters.
- Program_status_word type Evidence106643408.
- Program_status_word type ExpressiveStyle107066659.
- Program_status_word type Formulation107069948.
- Program_status_word type Indication106797169.
- Program_status_word type Parlance107081177.
- Program_status_word type ProgrammingIdioms.
- Program_status_word type Record106647206.
- Program_status_word type Register106507041.
- Program_status_word type WrittenRecord106502378.
- Program_status_word comment "The Program status word (PSW) is an IBM System/360 architecture and successors control register which performs the function of a Status register and Program counter in other architectures, and more.Although certain fields within the PSW may be tested or set by using non-privileged instructions, testing or setting the remaining fields may only be accomplished by using privileged instructions.Contained within the PSW are certainly the zero (non-zero) and carry (borrow) flags and similar flags of other architectures' status registers, in this case encoded as a condition code with values from 0 to 15, representing the arithmetic sum of the four condition code bit values, 23 + 22 + 21 + 20.The 64-bit PSW describes (among other things) Interrupt masks Privilege states Condition code Instruction addressIn the early instances of the architecture (System/360 and early System/370), the instruction address was 24 bits; in later instances (late System/370), the instruction address was 31 bits plus a mode bit (24 bit addressing mode if zero; 31 bit addressing mode if one) for a total of 32 bits.In the present instances of the architecture (z/Architecture), the instruction address is 64 bits and the PSW itself is 128 bits.The PSW may be loaded by the LOAD PSW instruction (LPSW or LPSWE). ".
- Program_status_word label "Program Status Word".
- Program_status_word label "Program status word".
- Program_status_word sameAs Program_Status_Word.
- Program_status_word sameAs m.09448_.
- Program_status_word sameAs Q9063099.
- Program_status_word sameAs Q9063099.
- Program_status_word sameAs Program_status_word.
- Program_status_word wasDerivedFrom Program_status_word?oldid=589731684.
- Program_status_word isPrimaryTopicOf Program_status_word.