# Computer Tutors

 Subject Computer Due By (Pacific Time) 11/27/2016 05:00 pm

```Please note: this is a ASSEMBLY LANGUAGE PROGRAM. NOT A C or C++ program! Thank you
Problem:

Write an assembly program that implements the following algorithm to perform an integer division
and print a message as the following ones:

12 DIV 5 = (Q = 2, R = 2)
12 DIV 6 = (Q = 2, R = 0)

12 and 5 (or 6) will be the user input. You will be preparing a readme with sample test cases.
The readme must include at least three sample screen shots of your simulator.

Note:
a. You are not allowed to use DIV (or similar built in) function
(even if it is available with your simulator! For armSim, I guess it is not available.
But not sure about other simulators).
b. You will get a straight 0, if you fail to implement the function according to the algorithm.
c. The Algorithm written below is taken from the textbook (figure 3.9). If you fail to understand
it, consult with the TA/Grader and the Instructor. Always use the book as your first source
of reference.

**** Algorithm ****
----------------------------------------------------------------------------
Given: Two positive integers: a Divisor X, and a Dividend Y
Use three General Purpose Registers (R, Q, X)
where R stores the Remainder, Q stores the Quotient, and X stores the Divisor.
Steps:
1. Copy Y into the Remainder register (R)
Register Q will be initialized as 0
2. update: R =  R - X
3. If R >= 0 then
Shift the Quotient Register (Q) to the left (1 bit)
and set the new rightmost bit to 1
Else
Restore the original value by of R:  R = R + X
Also, Shift the Quotient Register (Q) to the left (1 bit)
and set the new least significant bit to 0
4. Shift the Divisor Register (X) to the right (1 bit)
5. If you are using 32 bit data, then stop after 33 repetitions (for 64 bit data, stop after 65 repetitions)
-------------------------------------------------------------------------------```

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