Computer Systems Fundamentals

#include <stdio.h>

int main(void) {
    printf("I love MIPS\n");
    return 0;
}

main:
    la   $a0, string  # get addr of string
    li   $v0, 4       # 4 is print string syscall
    syscall
    jr   $ra

    .data
string:
    .asciiz "I love MIPS\n"

#include <stdio.h>

int main(void) {
    int x = 17;
    int y = 25;
    printf("%d\n", x + y);

    return 0;
}

#include <stdio.h>

int main(void) {
    int x, y, z;
    x = 17;
    y = 25;
    z = x + y;
    printf("%d", z);
    printf("\n");
    return 0;
}

main:                    #  x, y, z in $t0, $t1, $t2,
    li   $t0, 17         # x = 17;

    li   $t1, 25         # y = 25;

    add  $t2, $t1, $t0   # z = x + y

    move $a0, $t2        # printf("%d", a0);
    li   $v0, 1
    syscall

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

    li   $v0, 0          # return 0
    jr   $ra