Punuptech

Data Movement Instructions : -

MOV Move Data; Intel 80×86; move a byte (8 bits), word (16 bits), or doubleword (32 bits) of data; memory to register, register to memory, or register to register (cannot move data from memory to memory or from segment register to segment register); does not affect flags.

Code :-

Mov Dest, Source

Example :-

Mov ah,01h

XCHG Exchanges the contents of the destination (first) and source (second) operands. The operands can be two general-purpose registers or a register and a memory location.

Code :

XCHG  register,memory

XCHG  register,register

XCHG  memory,register

XCHG  memory,memory

Example :-

XCHG AX,BX

Operations :-

TEMP DEST
DEST SRC
SRC TEMP

Flags Affected :-

None.

written by Puneet