Align Instruction

• This ensures data are located on even numbered addresses so that CPU can access it faster

ALIGN <bound>

• Bound can be 1, 2, 4, 8 or 16 bytes
• Here is an actual implementation. If we didn’t use align, wVal will be located in 0x003E4001.

.data
bVal BYTE 11h         ; offset = 0x003E4000
align 2
wVal WORD 2222h       ; offset = 0x003E4002
bVal2 BYTE 33h        ; offset = 0x003E4004
align 4
dVal DWORD 44444444h  ; offset = 0x003E4008