University:
University of North Carolina at Charlotte
Course:
ITSC 2181 | Intro to Computer Systems
Academic year:

2024
Views:

476

Pages:

4
Author:

Roshaan A.

.data array: .space 400 # reserve space for 100 integers (each 4 bytes) sum: .word 0 # variable to store the sum average: .word 0 # variable to store the average size: .word 100 # constant for the size of the array i: .word 0 # loop counter .text .globl main main: # Generate 100 random integers and store them in the array la t0, array # load address of array li t1, 100 # set upper limit for the loop generate_loop: jal ra, random # call random function sw a0, 0(t0) # store random number in array addi t0, t0, 4 # move to next element in array addi t1, t1, -1 # decrement loop counter bnez t1, generate_loop # loop if counter != 0 # Accumulate the numbers and calculate the sum li t2, 0 # initialize sum la t0, array # load address of array li t1, 100 # set upper limit for the loop accumulate_loop: lw a0, 0(t0) # load current element from array add t2, t2, a0 # add current element to sum addi t0, t0, 4 # move to next element in array addi t1, t1, -1 # decrement loop counter bnez t1, accumulate_loop # loop if counter != 0 # Calculate the average li t3, 100 # load constant 100 mv a0, t2 # move the sum to a0 as the numerator mv a1, t3 # move the constant 100 to a1 as the denominator div t4, a0, a1 # divide sum by 100 # Print the average mv a0, t4 # move average to a0 for printing li a7, 1 # set PrintInt syscall number ecall # make syscall to print integer result # Return the average mv a0, t4 # move average to return register li a7, 10 # set return syscall number ecall # make syscall to return # Function to generate random numbers (for simulation purposes) random: li a0, 0 # set lower bound for random number (0) li a1, 100 # set upper bound for random number (100) li a7, 42 # set syscall number for random ecall # make syscall to generate random number ret # return from function

Module 06 - Unit 3 Lab: Converting C programs with if-else

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