RN is the value to move in computer
Answers
Answer:
Moving an integer value (integer constant) into a register
Motivation: moving (integer) values into registers
Fact:
Registers are the most important resource inside the CPU because they are used as:
Input operands for all computer operations
So before you can perform a computation with some value, you usually need to:
Move that value into one of the (general purpose) register first.
We will start learning how to move small integer values into registers.
Then we will learn how to move large (any) integer value into registers.
Next we will learn how to move values stored in memory variables into registers and vice versa.
The mov instruction
The mov instruction is used to move (= store) a small integer value into a (general purpose) register
The assembler syntax to move the value x to register rN (any register in the ARM processor) is:
mov rN, #x
The value x will be stored as a 32 bit 2's complement number inside the register rN (X is any number between 0 and 10).
Explanation:
Motivation: moving (integer) values into registers
Fact:
Registers are the most important resource inside the CPU because they are used as:
Input operands for all computer operations
So before you can perform a computation with some value, you usually need to:
Move that value into one of the (general purpose) register first.
We will start learning how to move small integer
values into registers.
Then we will learn how to move large (any) integer value into registers.
Next we will learn how to move values stored in memory variables into registers and vice versa.
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