# read/write characters until the user types a '!'

# val is represented by $t0

    .text
main:

loop_start:		# do {

    la   $a0, prompt	#   printf("val? ");
    li   $v0, 4
    syscall

    li   $v0, 5		#   scanf("%d",&val);
    syscall
    move $t0,$v0

    move $a0, $t0	#    printf("%d",val);
    li   $v0, 1
    syscall

    li   $a0, '\n'	#    printf("\n");
    li   $v0, 11
    syscall

    blt  $t0,1,loop_end # } while (val > 0);
    b    loop_start
loop_end:

    li   $v0, 0		# return 0
    jr   $ra

# read 10 numbers into an array then print the 10 numbers

    .data

prompt:
    .asciiz "val? "