Dr. Clincy Professor of CS CS 3501 - Chapter 4 Dr. Clincy Professor of CS TODAY: Demo MARIE (recorded for (1) students in class to refer back to and (2) for students not in attendance) Final Exam – Dec 11th – I will be in Europe (UK) – they will proctor and scan answer sheets to me Multiple Choice Test (smile) Irma Lecture Fragment Online (Lecture F20) Next Week’s Lab will use MARIE Dr. Clincy Lecture Slide 1 1

Installing and Using MARIE Download the zip file and extract Provided: Quick Guide, Full and Complete Guide, Marie Simulator, Marie DataPath Simulator, and four examples With Java Virtual Machine (JVM) Version 5 or higher installed on your machine, No installation is required…. Simply run the simulators by clicking on them Let’s see an example using the assembly code we covered in class Let’s recap the code first Dr. Clincy Lecture

A Simple Program A program that adds two numbers together, storing the sum in memory Program Data Result Assembly Language Machine Language Dr. Clincy Lecture

Catering for MARIE Load X Add Y Store 106 Halt X, Hex 0023 Y, Hex FFE9 Instead of forcing the memory location for the variables, we could use labels in the following manner: Load X Add Y Store 106 Halt X, Hex 0023 Y, Hex FFE9 Let’s now play with Marie Dr. Clincy Lecture

Now Watch the Demo Recording Dr. Clincy Lecture