A standard-bearer, also known as a flag-bearer is a person (soldier or civilian) who bears an emblem known as a standard or military Regulation Colours, i.e. either a type of flag or an inflexible but mobile image, which is used (and often honoured) as a formal, visual symbol of a state, prince, military unit, etc.
What is the carry condition flag?
The carry flag is set if the addition of two numbers causes a carry out of the most significant (leftmost) bits added. … The carry (borrow) flag is also set if the subtraction of two numbers requires a borrow into the most significant (leftmost) bits subtracted.
What is carry and auxiliary carry flag?
Auxiliary Carry Flag (AF) is one of the six status flags in the 8086 microprocessor. This flag is used in BCD (Binary-coded Decimal) operations. … This flag is set to one if there is a CARRY from the lower nibble or BORROW for the lower nibble in binary representation. Else it is set to zero.
What is carry and overflow?
Overflow indicates that a signed result is too big or too small to fit in the destination; Carry indicates that an unsigned result is too big to fit in the destination.
Why do soldiers carry flags?
Special Operations Forces (SOF), the elite units most often seen with the flag, are not nearly as numerous. … He told Fox News that soldiers often carry flags in case communications break down and they need to identify themselves to friendly forces.
Why did armies carry flags?
Soldiers strongly believed they represented their home state (or even their local region in the state), and much of the morale of Civil War units was focused on that pride. And a state regiment typically carried its own flag into battle. Soldiers took a great deal of pride in those flags.
How does the carry flag work?
A carry flag in computer science works with the arithmetic logic unit (ALU) of a computer’s central processing unit to handle arithmetic and bitwise logical operations on binary numbers. The carry flag is used when an operation changes the left-hand bit of the binary system.
Which operation is used in carry?
In which operation carry is obtained? Explanation: In addition, carry is obtained.
How does add with carry work?
ADC–Add with Carry Adds the destination operand (first operand), the source operand (second operand), and the carry (CF) flag and stores the result in the destination operand. The destination operand can be a register or a memory location; the source operand can be an immediate, a register, or a memory location.
What is the use of auxiliary carry?
The Auxiliary flag is set (to 1) if during an add operation there is a carry from the low nibble (lowest four bits) to the high nibble (upper four bits), or a borrow from the high nibble to the low nibble, in the low-order 8-bit portion, during a subtraction.
What is the difference between auxiliary carry carry and overflow flag?
Generally carry is for unsigned, overflow is for signed, and auxiliary carry is an obscure thing not really used 🙂 But it’s indeed the carry from the low 4 bits to the high 4 bits.
How do you check the carrying flag?
What is a carry out bit?
So when adding binary numbers, a carry out is generated when the SUM equals or is greater than two (1+1) and this becomes a CARRY bit for any subsequent addition being passed over to the next column for addition and so on.
Will carry out meaning?
1 : to bring to a successful issue : complete, accomplish carried out the assignment. 2 : to put into execution carry out a plan. 3 : to continue to an end or stopping point.
What do you know about carry bit?
In computer processors the carry flag (usually indicated as the C flag) is a single bit in a system status register/flag register used to indicate when an arithmetic carry or borrow has been generated out of the most significant arithmetic logic unit (ALU) bit position.
What does the black American flag mean?
Where did it originate? The black American flag first appeared during the American Civil War of 1861-1865. Confederate army soldiers flew the black flag to symbolize the opposite of the white flag of surrender. The black flag meant that the unit would not give in nor surrender and that enemy combatants would be killed.
What is a variant flag?
A flag-like object that is used in a similar symbolic manner as a flag, but that differs from a conventional flag in some way. … A variant of a national flag that a nation’s military forces use on land.
What is the purpose of battle flags?
Battle flags are often a source of pride, fellowship and identity for soldiers and civilians alike. They can represent the sacrifice and service performed by those who lived and died beneath the fluttering banners. The study of flags and their symbolism is called vexillology.
What flag means war?
A war flag, also known as a military flag, battle flag, or standard, is a variant of a national flag for use by a country’s military forces when on land. The nautical equivalent is a naval ensign.
What do war flags mean?
Over the centuries, military units have carried flags and colors. Colors and flags affirm group identity. They build pride and morale, and represent the group’s honor. In battle, flags served as a rallying point when a formation was broken.
Has the US flag ever been captured?
After spending much of the last century in storage, the only U.S. flag not captured or lost during Custer’s Last Stand at the Battle of Little Bighorn sold at auction Friday for $2.2 million.
How do you remove a flag from your arm?
For instance, if R0 is ‘0’ then adds r0,r0,r0 will clear the carry flag. An instruction like eors R0,R0,R0 will not touch the carry bit. … 1 Answer
- Read the old value.
- Update the flag in a working register.
- Write the value back.
Which is the instruction to set carry flag to 1?
Carry Flag (CF) – this flag is set to 1 when there is an unsigned overflow. For example when you add bytes 255 + 1 (result is not in range 0… 255). When there is no overflow this flag is set to 0.
Which instruction is needed to complement the value of carry flag?
CMC Complement Carry Flag
| Opcode | Instruction | Description |
|---|---|---|
| F5 | CMC | Complement CF flag. |
What does carry the 2 mean?
@mingming_ming this is the literal meaning of carry the one where when you add by hand you put the one up top when the two numbers add up to more than ten , if the numbers added up to more than twenty it becomes carry the two carry the three . it comes from the verb carry over .
What is carry operation?
It is part of the standard algorithm to add numbers together by starting with the rightmost digits and working to the left. For example, when 6 and 7 are added to make 13, the 3 is written to the same column and the 1 is carried to the left. When used in subtraction the operation is called a borrow.
What is difference between carry and borrow?
As verbs the difference between carry and borrow is that carry is to lift (something) and take it to another place; to transport (something) by lifting while borrow is to receive (something) from somebody temporarily, expecting to return it.
What is RSB in arm?
The RSB instruction subtracts the value in Rn from the value of Operand2 . This is useful because of the wide range of options for Operand2 . In certain circumstances, the assembler can substitute one instruction for another.
What do arm subs do?
The SUB instruction subtracts the value of Operand2 or imm12 from the value in Rn . In certain circumstances, the assembler can substitute one instruction for another.
What is CMP in arm?
The CMP instruction subtracts the value of Operand2 from the value in Rn . This is the same as a SUBS instruction, except that the result is discarded. The CMN instruction adds the value of Operand2 to the value in Rn . This is the same as an ADDS instruction, except that the result is discarded.
