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What is NOP Instruction stands in 8085 microprocessor?
The NOP instruction is a no-operation instruction. It does nothing to the state of the machine, except to use some time. In the case of the 8085, it uses four clock cycles plus however many wait states are need to access the NOP instruction from memory.
Define machine control instruction of 8085 microprocessor?
halt,DI (disable intrupts ),EI (enable intrupts),NOP(do nothing)
If the frequency of the crystal connected to 8085 is 6MHz calculate the time to fetch and executed NOP instruction?
At a crystal frequency of 6MHz, the 8085 microprocessor has a clock frequency of 3MHz, or a period of 333 nanoseconds. The NOP instruction requires four clock cycles, three to fetch and one to execute, so the NOP instruction with a crystal frequency of 6MHz would take 1.333 microseconds to fetch and execute. This does not include wait states, each of which would add 0.333 microseconds to the timing.
What is the instruction for exit in 8085 microprocessors?
There is no exit instruction in the 8085. Do you mean return, as in from a function or interrupt? If so, the instruction is RET.
Is there a multiply instruction?
Not in the 8085.
How many instruction are there in 8085 mp?
There are 74 instructions in the 8085 microprocessor.
What happens when MUL CH instruction is executed?
MUL is not an 8085 instruction.
What is function of nop in microprocessor?
The NOP instruction is short for no-operation. It is an executable instruction that does nothing to the processor, its registers, or its flags. It is useful in timing loops, or to provide room for patchabilty of a piece of code.
Which is the longest instruction in 8085 instruction set?
CALL, requiring 18 clock cycles.
How many bytes are there for jump instruction in 8085?
There are 74 instructions in the 8085 microprocessor.
What is the use of command MOV A A in 8085 microprocessor?
The MOV A,A instruction in the 8085 does nothing, not even change flags. It only consumes time, specifically four clock cycles plus applicable wait states.
What no of instruction will be execute by using only one clock pulse in 8085 microprocessor?
There are no instructions in the 8085 that execute in only one clock pulse. The minimum number of clock cycles is four; three for instruction fetch and one for instruction decode/execute.
