Practice - Arithmetic Instructions
Practice Questions
Test your understanding with targeted questions
What does the ADD instruction do in the 8085 microprocessor?
💡 Hint: Think about combining values.
Explain what happens when INR instruction is executed.
💡 Hint: What would happen if we had 0F and added 1?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What happens if the sum exceeds the maximum value during an addition using the ADD instruction?
💡 Hint: Think about how we track numbers that overflow.
True or False: The DAA instruction adjusts the Accumulator to valid BCD.
💡 Hint: What is BCD used for?
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Challenge Problems
Push your limits with advanced challenges
You have A = 1AH and B = 2BH. Write a program snippet that adds B to A and checks if the result is greater than 0FFH using flags.
💡 Hint: What will indicate an overflow here?
Consider the operations performed between Accumulator and a memory value. If you fetch the value from memory location 2003H and subtract it from A, explain how you would handle a negative result if the Sign flag is set.
💡 Hint: What does the Sign Flag indicate about your result?
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Reference links
Supplementary resources to enhance your learning experience.