OR - 8086

Logical OR between all bits of two operands.
Result is stored in first operand.
These rules apply:
1 OR 1 = 1
1 OR 0 = 1
0 OR 1 = 1
0 OR 0 = 0

Syntax

OR REG, memory
OR memory, REG
OR REG, REG
OR memory, immediate
OR REG, immediate

Example

MOV AL, 'A' 		; AL = 01000001b
OR AL, 00100000b 	; AL = 01100001b ('a')
RET 

Output / Return Value

Limitations

Alternatives / See Also

Reference