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- Zero_flag abstract "The Zero Flag is a single bit flag that is a central feature on most conventional CPU architectures (including x86, ARM, PDP-11, 68000 and numerous others). It is often stored in a dedicated register, typically called status register or flag register, along with other flags. The zero flag is typically abbreviated Z or ZF or similar in most documentation and assembly languages.Along with a carry flag, a sign flag and an overflow flag, the zero flag is used to check the result of an arithmetic operation, including bitwise logical instructions. It is set if an arithmetic result is zero, and reset otherwise. This includes results which are not stored, as most traditional instruction sets implement the compare instruction as a subtract where the result is discarded. It is also common that processors have a bitwise AND-instruction that does not store the result.In most processors, the zero flag is mainly used in conditional branch instructions, which alter control flow on previous instruction results, but there are often other uses as well.In some instruction sets such as the MIPS architecture, a dedicated flag register is not used; jump instructions instead check a register for zero.".
- Zero_flag wikiPageID "18692018".
- Zero_flag wikiPageRevisionID "562615845".
- Zero_flag hasPhotoCollection Zero_flag.
- Zero_flag subject Category:Computer_arithmetic.
- Zero_flag comment "The Zero Flag is a single bit flag that is a central feature on most conventional CPU architectures (including x86, ARM, PDP-11, 68000 and numerous others). It is often stored in a dedicated register, typically called status register or flag register, along with other flags.".
- Zero_flag label "Nullflag".
- Zero_flag label "Zero flag".
- Zero_flag sameAs Nullflag.
- Zero_flag sameAs m.04gklnr.
- Zero_flag sameAs Q2004679.
- Zero_flag sameAs Q2004679.
- Zero_flag wasDerivedFrom Zero_flag?oldid=562615845.
- Zero_flag isPrimaryTopicOf Zero_flag.