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Flags are used to indicate the status of various things, usually following some kind of operation. For instance, the ZERO flag indicates the result is zero, the CARRY flag indicates the operation results in a carry, the NEGATIVE flag indicates the result is negative, etc.
Flags can be used in loop control. For instance you can decrement a counter at the end of a loop, and jump conditionally to the top of the loop if the counter is non zero.
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What is CLD in masm?
Clear direction flag (CLD) means that index registers will be incremented when looping through a string. Opposite of STD (set direction flag), which means the index registers of the string will be decremented when looping.
What is the importance of the Illinois flag in 1818?
the importance of the flag is that it repre4sents freedom and after a battle is won all is sought.
What is the importance of flags in microprocessor?
sign flag parity flag zero flag
What are the importance of a flag?
To represent the country
What is the size of flag register?
All of the 8086/8088 registers, AX, BX, CX, DX, SP, BP, SI, DI, CS, DS, SS, ES, IP, and FLAGS, are 16 bit registers. The AX, BX, CX, and DX registers may also be viewed as 8 eight bit registers AH/AL, BH/BL, CH/CL, and DH/DL.
Flag registers in Pentium 2 microprpcessor?
list 8-bit register that are used for register addressing
The different types of FLAGS register?
There are a huge number of different FLAG registers. The most common are zero flag (Z), carry flag (C), sign flag/ negative flag (S/N), and overflow flag (V/O/W). Each flag contains different information about the state of the processor.
What are the functions of execution unit in 8086 Intel?
Basically the function of execution unit in 8086 is to perform all arithmetic and logic operations.It tells the Bus Interface unit(BIU) where to fetch instructions and data from.It has 4 components:Control circuitry,ALU,Flag registers and general purpose registers. 1.control circuits-it directs all the internal operations. 2.ALU-performs all logic operations. 3.general purpose registers-used to store data during execution. 4.flag registers-it has a 16bit flag register containing 9 flags that are set for certain conditions during any operation.Ex.carry flag(whenever there is a carry). It also has a decoder to decode the fetched instructions.
What is the importance behind the Italian flag?
red green and white
What is the importance of the confederate flag?
Historically, it was the official flag of the CSA (Confederate States of America) as the US flag is for the US today. Now days it has become a symbol of southern heritage.
2 Explain the register Organization of Zilog 28000?
Z8000 consists of sixteen 16-bit general purpose registers, which can be used for data, address and indexing. The designers of this machines felt that it was useful to provide a regularized, general set of registers than to save instruction bits by using special purpose registers. Further the way the functions are assigned to these registers is the responsibility of the programmer. There might be different functional breakdown for different applications.A segmented address space 7-bit is used. It uses 7-bit segment number and a 16-bit offest. It uses two registers to hold a single address. There are two other registers called stack pointers that are necessary for stack module. One register used for system mode and one for normal mode.Z8000 consists of five other registers that are related to program status. Two registers hold the program counter and two registers hold the address of a program status area in the memory. A 16-bit flag register called Flag control word holds various flags status and control bits.
What are the types of microprocessor register?
Microprocessor consists of different types of registers. They special purpose registers, general purpose registers, address registers, floating point registers and constant registers.
