Label Size     Content      Address       Instructions
    w:    .word    0x00010101   0x10000000    * la  $t0, w
    x:    .word    0x00008000   0x10000004    * lw  $t0, w
    y:    .byte    0x00000061   0x10000008    * lh  $t0, w
    z:    .byte    0x00000062   0x10000009    * lh  $t0, x
                                              * lhu $t0, x
                                              * lbu $t0, x
                                              * lb  $t0, z
                                              * lw  $t0, z
                                              * lw  $t0, y

la  $t0, w   $t0 = 0x10000000   #like &w
lw  $t0, w   $t0 = 0x00010101   #like w
lh  $t0, w   $t0 = 0x00000101   0000000100000001  +ve
lh  $t0, x   $t0 = 0xFFFF8000   1000000000000000  -ve
lhu $t0, x   $t0 = 0x00008000
lbu $t0, x   $t0 = 0x00000000
lb  $t0, z   $t0 = 0x00000062
lw  $t0, z   $t0 = ??????????  crash. alignment error
lw  $t0, y   $t0 = 0x00006261