Lec:13 | Shift and Rotate Instructions | Microprocessor 8086
Welcome to this lecture on Shift and Rotate Instructions of the 8086 Microprocessor.
In this video, we will clearly explain how bit-level operations work using shift and rotate instructions, with step-by-step examples.
Topics Covered in This Video:
🔹 Shift Instructions
SHL / SAL – Shift Left Arithmetic
SHR – Shift Right Logical
SAR – Shift Right Arithmetic
Effect of shift instructions on Carry, Zero, Sign, Overflow flags
Examples using registers and memory
🔹 Rotate Instructions
ROL – Rotate Left
ROR – Rotate Right
RCL – Rotate through Carry Left
RCR – Rotate through Carry Right
Difference between Shift vs Rotate
🔹 Additional Concepts
Use of shift & rotate in:
Multiplication and division
Bit manipulation
Embedded system applications
Common exam & viva questions
This lecture is very important for:
✔ Assembly language programming
✔ Bit manipulation logic
✔ Understanding CPU internal operations
Who Should Watch This?
CSE / EEE / ECE students
Diploma & Polytechnic students
Students preparing for viva, lab & semester exams
Beginners in Microprocessors & Embedded Systems
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