How do you multiply numbers in assembly language?

How do you multiply numbers in assembly language?

Multiply Two 8 Bit Numbers in Assembly Language

  1. Consider that a byte of data is present in the AL register and second byte of data is present in the BL register.
  2. We have to multiply the byte in AL with the byte in BL.
  3. Using MUL instruction, multiply the contents of two registers.

How do you multiply big numbers in assembly?

In assembler, two integer numbers, X, Y can be multiplied together by adding X to itself Y times. A byte can hold zero to 255 before an overflow occurs. The status register’s carry flag is set when the sum is bigger than a byte (the word size for 6502), which means an overflow occurred.

How do you write a program to multiply two numbers?

Program to Multiply Two Numbers printf(“Enter two numbers: “); scanf(“%lf %lf”, &a, &b); Then, the product of a and b is evaluated and the result is stored in product . product = a * b; Finally, product is displayed on the screen using printf() .

How do you do multiplication in 8086?

8086 program to multiply two 16-bit numbers

  1. First load the data into AX(accumulator) from memory 3000.
  2. Load the data into BX register from memory 3002.
  3. Multiply BX with Accumulator AX.
  4. Move data from AX(accumulator) to memory.
  5. Move data from DX to AX.
  6. Move data from AX(accumulator) to memory.
  7. Stop.

What is successive addition method?

In successive addition method, one number is accepted and other number is taken as a counter. The first number is added with itself, till the counter decrements to zero. Result is stored in DX register. Display the result, using display routine.

How does MUL work?

The MUL (unsigned multiply) instruction multiplies an 8-, 16-, or 32-bit operand by either AL, AX, or EAX. The Carry flag indicates whether or not the upper half of the product contains significant digits.

How do you multiply two numbers without using operators?

  1. int main(void) { int firstnum, secondnum;
  2. int prod = 0,i; printf(“Enter two numbers \n”);
  3. scanf(“%d %d”,&firstnum,&secondnum); for(i = 1; i <= secondnum; i++){
  4. /* Add the value of firstnum in prod. */ prod += firstnum; }
  5. printf(“Multiplication of two numbers is %d”,prod); return 0; }

What is MUL instruction in assembly language?

The mul instruction multiplies the contents of general-purpose register (GPR) RA and GPR RB, and stores bits 0-31 of the result in the target GPR RT and bits 32-63 of the result in the MQ Register. The mul instruction has four syntax forms.

How does Div work in assembly?

Unsigned Divide (div) div divides a 16-, 32-, or 64-bit register value (dividend) by a register or memory byte, word, or long (divisor). The quotient is stored in the AL, AX, or EAX register respectively. The remainder is stored in AH, Dx, or EDX.

What does MUL mean in assembly language?

The MUL (Multiply) instruction handles unsigned data and the IMUL (Integer Multiply) handles signed data.

Can you multiply two number without using * operator?

1. First Method: Using Recursion to multiply two numbers without using *. We can easily calculate the product of two numbers using recursion without using * multiplication operator. // If second number is zero then the product is zero.

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