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It floats the address and data buses, and enters THALT state, until an interrupt or reset occurs.
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When does a microprocessor encounter the HLT instruction?
It encounters the HLT instruction when there is not an endless loop or other things that are done endlessly.
What does Microprocessor does when it encounters an non maskable interrupt?
Finishes the current executing instruction and then serves the interrupt.
Define machine control instruction of 8085 microprocessor?
halt,DI (disable intrupts ),EI (enable intrupts),NOP(do nothing)
What happens after the microprocessor completes an instruction?
It fetches the next instruction.
Which group of instruction do not affected the flag in microprocessor?
branch instruction
When the microprocessor completes an instruction what happens?
it goes to queue for next instruction
What is the purpose of RST instruction in microprocessor?
Special restart instruction used with interrupts
What instruction is executed by the x86-64 microprocessor?
it has an instruction set of a few hundred instructions.
What is the need of Instruction PointerIP in 8086 microprocessor?
The Instruction Pointer (IP) in an 8086 microprocessor contains the address of the next instruction to be executed. The processor uses IP to request memory data from the Bus Interface Unit, and then increments it by the size of the instruction.
When an instruction is executed in a programm what happens in the processor memory?
All the programming instructions whcih are basically in the assembly code has the corresponding hexadecimal code.the microprocessor understand or interprets what this code is and based on that it performs operation for eg HLT which had hexcode 76 the microprocessor understands76 as tha halt instruction and based on that it halts or terminates the program Anand bhat(mca@kiit-870024)
What is DAD RP instruction in microprocessor?
A=HL+A or A=DE+A
What is 1 byte instruction in microprocessor?
1byte instruction = MOV A,B 2byte instruction = MVI A,01H 3byte instruction = STA 2030H
