.org 0x0
   .set noat
   .set noreorder
   .set nomacro
   .global _start
_start:
   lui $1,0x2000
   ori $1,$1,0x0008
   lui $2,0xffff
   ori $2,$2,0xffff
   sw  $2,0x0($1)

   lui $1,0x2000
   ori $1,$1,0x000c
   lui $2,0x0000
   ori $2,$2,0x0000
   sw  $2,0x0($1)


   lui $1,0x2000
   ori $1,$1,0x0004
   lui $2,0x4740
   ori $2,$2,0x4106
   sw  $2,0x0($1)