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How many 8 bit register in 8085?
There are seven 8 bit registers in the 8085. A, B, C, D, E, H, and L
Explain the roles of registers in programming?
A register is a temporary high speed storage location for some data, usually contained in the processor's internal hardware design. The accumulator, A in the 8085, has special significance as it can be the target of most arithmetic and logical manipulation instructions. Other registers, such as B in the 8085, can hold temporary values useful during a computation. Some registers, such as HL in the 8085, can hold addresses of memory operands. Special registers, such as SP or PC in the 8085, hold the stack pointer or program counter. Sometimes, internal registers, such as TEMP in the 8085, are used in the internal design of the computer, but they are not directly accessible to the program. Sometimes, registers are combined, such as B and C being treated as one value, BC, in the 8085. This is a case of a 16 bit register. Last, status registers, such as FLAGS in the 8085, hold various things related to processor status, such as the carry flag or various interrupt masks, but they are not generally treated as arbitrary storage of data.
What are the register in mocroprocessor 8085?
There are two types of registers such as: a) General purpose registers b) Special purpose registers
IN 8085 local variables will get stored in?
Registers or RAM-memory.
What is mean by register pair of 8085?
In the 8085, six registers (B, C, D, E, F, H, and L) can be used as individual 8-bit registers, or paired up and treated as 16-bit registers. The pairs are BC, DE, and HL.
What are the various flags used in 8085?
there are 5 flags of intel 8085 are: Carry flag(CY), parity flag(P), Auxiliary Carry flag(AC), Zero Flag(Z), Sign flag(S).
Why does 8086 have more registers and addressing modes than 8085?
different architecture.
Which are the various 16-bit registers in Intel 8085?
The various 16-bit registers on the 8085 are BC, DE, HL, SP, PC.
What is the purpose of INSTRUCTION REGISTER in 8085 Microprocessor?
In 8085 general purpose registers are used to hold data like any other registers. In 8085 there are six types of special registers called general purpose registers. The general purpose registers in 8085 are B, C, D, E, H and L. Each register can hold 8 bit data. Apart from above functions these registers can also be used to work in pairs to hold 16 bit data. They can work in pairs such as B-C, D-E, H-L to store 16 bit data. The H-L pair work as a memory pointer. A memory pointer holds the address of a particular memory location. They can store 16 bit address as they work in pairs.
Why increment INR instruction in 8085 does not affect carry flag?
INR affect the carry flag.
Why are programme counter and stack pointer register 16 bit registers?
The program counter (PC) and stack pointer (SP) registers are 16-bit registers in the 8085 and in the 8086/8088 because that is how Intel designed the processors.
What are the different registers in an 8085 microprocessor?
There are 6 general purpose Registers and Two special purpose registers: General purpose registers(8 bit basically) are B,C,D,E,H,L and SPECIAL Purpose resisters are STACK PONITER,PROGRAM COUNTER these two are 16 bit registers. If u want make general purpose registers as 16 bit registers, the combination is BC,DE,HL these are 16 bit pair registers
