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Contained within the PSW are the two bit condition code, representing zero, positive, negative, overflow, and similar flags of other architectures' status registers. Conditional branch instructions test this encoded as a four bit value, with each bit representing a test of one of the four condition code values, 2 3 + 2 2 + 2 1 + 2 0. (Since IBM ...
A status register, flag register, or condition code register (CCR) is a collection of status flag bits for a processor.Examples of such registers include FLAGS register in the x86 architecture, flags in the program status word (PSW) register in the IBM System/360 architecture through z/Architecture, and the application program status register (APSR) in the ARM Cortex-A architecture.
The four condition codes in the processor status word (PSW) are N indicating a negative value; Z indicating a zero (equal) condition; V indicating an overflow condition, and; C indicating a carry condition. Instructions in this group were what Digital called "micro-programmed": A single bit in the instruction word referenced a single condition ...
The Program Status Word (PSW) [2]: 71–72 contains a variety of controls for the currently operating program. The 64-bit PSW describes (among other things) the address of the current instruction being executed, condition code and interrupt masks.
The PPIC reported enrollment at California’s most selective public university, the UC, increased by 2% while enrollment declined at California State Universities and community colleges between ...
Short PSW abbreviations; Bits Field Meaning 1 R PER Mask 5 T DAT mode 6 IO I/O mask 7 EX External Mask 8-11 Key PSW key 12 E=1 Must be one for LPSW 13 M Machine-check mask 14 W Wait state 15 P Problem state 16-17 AS Address-Space Control 00=primary-space mode 01=Access-register mode 10=Secondary-space mode 11=Home-space mode 18-19 CC Condition Code
To check your refund status through the FTB, you’ll need your Social Security number, ZIP code, exact refund amount and the numbers in your mailing address. For example, if your address is 1234 ...
Unless otherwise stated, the status code is part of the HTTP standard. [1] The Internet Assigned Numbers Authority (IANA) maintains the official registry of HTTP status codes. [2] All HTTP response status codes are separated into five classes or categories. The first digit of the status code defines the class of response, while the last two ...