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A half-carry flag (also known as an auxiliary flag) is a condition flag bit in the status register of many CPU families, such as the Intel 8080, Zilog Z80, the x86, [1] and the Atmel AVR series, among others.
The carry, parity, auxiliary carry (or half carry), zero and sign flags are included in many architectures (many modern (RISC) architectures do not have flags, such as carry, and even if they do use flags, then half carry is rare, since BCD math no longer common, and it even has limited support on long mode on x86-64).
N Negative flag. Set to a copy of the most significant bit of an arithmetic result. V Overflow flag. Set in case of two's complement overflow. S Sign flag. Unique to AVR, this is always N⊕V, and shows the true sign of a comparison. H Half-carry flag. This is an internal carry from additions and is used to support BCD arithmetic. T Bit copy.
President Joe Biden ordered flags lowered to half-staff for 30 days from the day of Carter's death on Dec. 29, as is custom when a U.S. president dies. Trump complains that US flags will be half ...
Flags around the country continue to be displayed at half-staff on land and half-mast over water in remembrance of former President Jimmy Carter, who died in late December.. Carter, who served in ...
According to the U.S. Department of Veterans Affairs, the flag flies at half staff for 30 days at all federal buildings and grounds for 30 days following the death of a president or former president.
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 flags were ordered to remain at half-staff for 30 days or until Jan. 29. While the country’s flag code dictates flags remain lowered following a president’s death, the code is not mandatory.