########    Assignment 2 - By Omar Alkersh (400214491) && Shubham Ahuja (400207645)
.data
    list:   .word   128, 10, 23, 12, 128, 9, 220, 46, 128, 5
    n:      .word   10

.globl Main
.text

Main:
    addi    $v0,    $zero,  5       #syscall for int input
    syscall                         # exec syscall
    add     $a2,    $zero,  $v0     #stores int input in $a2
    la      $a0,    list            #load base address of list
    lw      $a1,    n               #loads 'n' - list length
    jal     COUNT
    add     $a0,    $zero,  $v0
    addi    $v0,    $zero,  1
    syscall
    addi    $v0,    $zero,  10
    syscall


# $a0 - base address of array
# $a1 - n - length of array
# $a2 - x - number to count in array
COUNT:
    addi    $sp,    $sp,    -4
    sw      $ra,    0($sp)
    addi    $v0,    $zero,  0           #this is res
    addi    $t0,    $zero,  0           #this is i
    L:
        lw      $t1,    0($a0)
        bne     $t1,    $a2,    L2
        addi    $v0,    $v0,    1
        L2:
        addi    $t0,    $t0,    1       #inc i(ndex)
        addi    $a0,    $a0,    4       #go to next element in array
        bne     $t0,    $a1,    L       #loop back if not equal to n
    lw      $ra,    0($sp)
    addi    $sp,    $sp,    4
    jr      $ra