Practice - Arithmetic Instructions
Practice Questions
Test your understanding with targeted questions
What is the result of ADD A, R0 when A = 05H and R0 = 03H?
💡 Hint: Consider simple addition.
What does INC A do if A = 0AH?
💡 Hint: Think about incrementing a number by 1.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the ADD instruction do in the context of the 8051?
💡 Hint: Consider what happens to A.
True or False? The SUBB instruction is used for addition.
💡 Hint: Remember the operation it represents.
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Challenge Problems
Push your limits with advanced challenges
You have A = 0AH and R0 = F0H. Execute two operations: ADD A, R0 and then SUBB A, #01H. What are the final values in A and the relevant flags?
💡 Hint: Track any carry or overflow when dealing with F0H.
Using MUL and DA, illustrate how to multiply A = 05H and B = 03H, followed by what happens if you add a number that requires a BCD adjustment.
💡 Hint: Pay attention to how products relate in binary and BCD formats.
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Reference links
Supplementary resources to enhance your learning experience.