# Find the largest Fibonacci number smaller than 100

.data
.extern x 4
.extern y 4
x:   .space 4
y:   .space 4

.text
.globl main
main:
     sw    $0,x         # x = 0;
     addi  $9,$0,1      # y = 1;
     sw    $9,y
     lw    $8,x
while:                  # while (y < 100) {
     slti  $10,$9,100
     beq   $10,$0,endw
     add   $10,$0,$8    #     int t = x;
     add   $8,$0,$9     #     x = y;
     sw    $8,x
     add   $9,$10,$9    #     y = t + y;
     sw    $9,y
     beq   $0,$0,while  # }
endw:
     li   $v0, 10          # system call for exit
     syscall               # we are out of here.