Flag Register Of 8085. Prerequisite – Flag register in 8085 microprocessor The Flag register is a Special Purpose Register Depending upon the value of result after any arithmetic and logical operation the flag bits become set (1) or reset (0) Figure – Format of flag register There are total 9 flags in 8086 and the flag register is divided into two types.
Explain briefly the flag register in the 8085 microprocessor The flag register in 8085 is an 8bit register which contains 5 bit positions These five flags are of 1bit F/F and are known as zero sign carry parity and auxiliary carry For sign flag if the result of an MSB operation is 1 then it is set else it is reset.
Explain the flag register of 8086. Ques10
The 8085 has 8 bit flag register specifying the status of the result generated in accumulator The flag register contain status bits that indicates various status about the result generated There are following flag bits used into the flag registers SF (Sign Flag) ZF (Zero Flag) AC (Auxiliary Carry Flag) PF (Parity Flag) CF (Carry Flag).
Registers of 8085 Microprocessor Tutorialspoint
If not flag is reset This flag is used internally for BCD(BinaryCoded decimal Number) operations Note – This is the only flag register in 8085 which is not accessible by user Parity FlagL It occupies the second bit of the flag register This flag tests for number of 1’s in the accumulator.
Flag Register of 8085 microprocessor with example/ 8085
Flag register in 8085 is a one byte register used to store 5 flags The respective bit flags upFlags are used extensively in programming (low level) to test a condition For example toEven though total number of flags are 5 the remaining 3 are left vacant to use in futureThe hardware logic to set flag registers are designed from the conditions of flags and are.
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Flag register of GeeksforGeeks 8086 microprocessor
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Architecture of 8085 microprocessor GeeksforGeeks
Arithmetic and Logic Unit (ALU) It is used to perform mathematical operations likeFlag Register It is an 8bit register that stores either 0 or 1 depending upon which value isAccumulator Accumulator is used to perform I/O arithmetic and logical operations It isGeneral Purpose Registers There are 6 general purpose registers These registers can holdProgram Counter Program Counter holds the address value of the memory to the nextStack Pointer It works like stack In stack the content of register is stored that is later usedTemporary Register It is a 8bit register that holds data values during arithmetic and logicalInstruction register and decoder It is a 8bit register that holds the instruction code that isTiming and control unit The timing and control unit comes under the CPU section and itInterrupt control Whenever a microprocessor is executing a main program and if suddenly.