Practice - Program 3: Basic Arithmetic Operation (Subtraction with Borrow)
Practice Questions
Test your understanding with targeted questions
What happens when we subtract 10 from 05 using the 8085?
💡 Hint: Remember the concept of borrowing in subtraction.
Which flag indicates a borrow occurred in subtraction?
💡 Hint: Think about borrowing in basic arithmetic.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the result of A = 05H and B = 10H in a subtraction operation?
💡 Hint: What does two's complement represent after a borrow?
True or False: The Zero Flag indicates that the result of a subtraction is non-zero.
💡 Hint: Consider what the Zero Flag signifies in arithmetic.
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Challenge Problems
Push your limits with advanced challenges
Suppose you have the values in registers as A = 8AH, B = 4AH. Write an assembly program to subtract B from A and describe the flags' states after execution.
💡 Hint: Check how many bits represent borrow during subtraction.
If the Accumulator contains 7F and register B contains 80, what will be the processor's response after a SUB B operation? Illustrate the flags and provide the resulting Accumulator.
💡 Hint: Analyze the effects of the top bit in 2's complement during this subtraction.
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