C Programming and Assembly Language


Prof. Janakiraman Viraraghavan


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SKU: IIT Madras Category:


Students who complete their bachelors degree (BE/ BTech) in computer science or electrical engineering do extensive course work in Microprocessors and then in C programming. However, what is missing in the current curriculum is to explicitly establish the link between the two. Specifically we look at how a C program is translated to assembly language and how it eventually gets executed on a microprocessor. Through, animations we show what happens in the stack, data and code segment, of the microprocessor when a C program is executed.


Any Interested Learners


Students are expected to have done a course on C programming and Microprocessors


Almost all software companies and many hardware companies


Prof. Janakiraman Viraraghavan is an Assistant Professor at the Department of Electrical Engineering, IIT Madras and is part of the Integrated Circuits and Systems (iCS) group. His research interests include porting machine-learning algorithms on to hardware and statistical analysis in VLSI. He also has a keen interest in Microprocessors and Programming in general.



Additional information


IIT Madras

Total hours


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1. Join the course
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COURSE ENROLMENT FEE: The Fee for Enrolment is Rs. 1000 + GST

2. Watch Videos+Submit Assignments
After enrolling, learners can watch lectures and learn and follow it up with attempting/answering the assignments given.

3. Get qualified to register for exams
A learner can earn a certificate in the self paced course only by appearing for the online remote proctored exam and to register for this, the learner should get minimum required marks in the assignments as given below:

Assignment score = Score more than 50% in at least 3/4 assignments.
Exam score = 50% of the proctored certification exam score out of 100
Only the e-certificate will be made available. Hard copies will not be dispatched.”

4. Register for exams
The certification exam is conducted online with remote proctoring. Once a learner has become eligible to register for the certification exam, they can choose a slot convenient to them from what is available and pay the exam fee. Schedule of available slot dates/timings for these remote-proctored online examinations will be published and made available to the learners.

EXAM FEE: The remote proctoring exam is optional for a fee of Rs.1500 + GST. An additional fee of Rs.1500 will apply for a non-standard time slot.

5. Results and Certification
After the exam, based on the certification criteria of the course, results will be declared and learners will be notified of the same. A link to download the e-certificate will be shared with learners who pass the certification exam.


Course Details

WEEK 1: Introduction to Microprocessors and Assembly language Programming Microprocessor Architecture Machine Language Execution sequence in a MuP Memory in a microprocessor Instruction Set ADDRESSING SCHEMES MOV ARITHMETIC AND LOGICAL INSTRUCTIONS FLAG REGISTER STACK INSTRUCTIONS CALL and RET HARDWARE LOOPS

WEEK 2: Introduction to C and Inline Assembly Data types and their sizes Simple examples of Inline assembly ALU operations String length Multiplication using repeated addition Swap two variables in C Swap two variables in inline Assembly Function to swap two variable in C Inline code to swap the two variables using a function

WEEK3: Compiling C to Assembly Language Compiling a simple program to Assembly – first order Passing parameters Prologue Epilogue Local variables

WEEK4: C++ and Some special Functions C and C++ at assembly language level Recursion vs Loops with factorial as example Special functions memcpy strlen


“The C Programming Language” by BRIAN W. KERNIGHAN and DENNIS M. RITCHIE, Second Edition
“The INTEL Microprocessors – Architecture, Programming and Interfacing”, by Barry B. Brey 8th Edition


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