Add print_array.s

print_array.s

@@ -0,0 +1,58 @@
+.data
+A: .word 11, 22, 33, 44, 55
+space: .asciiz " "
+newline: .asciiz "\n"
+
+.text
+main:
+
+    # passing the two arguments to a0 and a1
+    la a0, A
+    addi a1, x0, 5
+
+    # jump to the print_array procedure
+    jal print_array
+
+    # exit gracefully
+    addi a0, x0, 10
+    addi a1, x0, 0
+    ecall # Terminate ecall
+
+print_array:
+    addi sp, sp, -12
+    sw ra, 8(sp) # save ra register on to the stack
+    sw s1, 4(sp)
+    sw s0, 0(sp)
+    addi t0, x0, 0 # i = 0
+    
+    # move parameters in a0 and a1 to callee-saved registers
+    mv s0, a0
+    mv s1, a1
+    
+loop:
+    bge t0, s1, loop_exit # exit loop if i >= size
+    slli t1, t0, 2 # i = i * 4
+    add t1, s0, t1 # t1 = &A[0] + i*4
+    lw t1, 0(t1) # t1 = A[i]
+
+    # printf("%d ", A[i])
+    addi a0, x0, 1
+    mv a1, t1
+    ecall
+    addi a0, x0, 4
+    la a1, space
+    ecall
+
+    addi t0, t0, 1 # i++
+    j loop # goto loop
+loop_exit:
+    addi a0, x0, 4
+    la a1, newline
+    ecall
+
+    # restore ra and return
+    lw ra, 8(sp)
+    lw s1, 4(sp)
+    lw s0, 0(sp)
+    addi sp, sp, 12
+    jr ra