IMUL - 8086

Multiplication of Signed Numbers.
Algorithm:
when operand is a byte : AX = AL * operand.
when operand is a word : (DX AX) = AX * operand.

Syntax

IMUL Reg
IMUL Memory

Example

MOV AL, -2
MOV BL, -4
IMUL BL      ; AX = 8
RET

Output / Return Value

Limitations

Alternatives / See Also

Reference