multiply two consecutive times in assembly language program

Question

I am using 8086 emulator and DOSBOX and MASM.

I know that when we multiply 8-bit with 8-bit, answer will be of 16-bit.

al*(8-bit)=ax

An

Answer 1

I am pretty sure there is a duplicate of this somewhere already. Of course it's just elementary maths anyway:

result_low = low(input_low * factor)
result_high = high(input_low * factor) + low(input_high * factor)

Pay attention to saving ax and dx as necessary.