2.3.txt

.data
num: .asciiz "0123456789ABCDEF"
destination: .asciiz "0"
prompt: .asciiz "Starting to copy 0123456789ABCDEF     "
pri: .asciiz "the value is :: "
.text
main:
    li $v0, 4
    la $a0, prompt
    syscall
    jal stringcpy
    j finish
stringcpy:
        add $s0, $zero, $zero #i=0
        la $a1, num
        la $a0, destination
        loop:
            add $t1, $a1, $s0 #source indexing
            lb $t2, 0($t1) #loading source[i] to t2
            add $t3, $a0, $s0 #indexing destination
            sb $t2, 0($t3)

            beq $t2, $zero,loop2
            addi $s0, $s0, 1
            j loop
        loop2:
            jr $ra
finish:
        #printing the copied string
        li $v0, 4
        la $a0, pri
        syscall
        la $a0, destination
        li $v0,4
        syscall