ASSEMBLY - how to do sum between two numbers(interval)

Question

Hey guys can you help? I dont know how to do sum between two numbers For example :

first number>1

second number>5

sum w

Answer 1

Here's the pseudo-code (up to you to translate to assembly):

count = firstNumber
endCount = secondNumber + 1
total = 0
while count != endCount
    total = total + count
    count = count + 1