1.3 - Program Status Word (PSW)
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Practice Questions
Test your understanding with targeted questions
What does the Program Status Word (PSW) contain?
💡 Hint: Think about the components that are necessary for the CPU's state.
Define a conditional instruction.
💡 Hint: Recall the if-then-else logic.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the role of the Program Status Word (PSW) in CPU operations?
💡 Hint: Think about why we need state information during program execution.
True or False: The zero flag is set when the result of an operation is non-zero.
💡 Hint: Recall what the zero flag indicates.
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Challenge Problems
Push your limits with advanced challenges
You have a program that calculates the sum of two numbers. Detail how you would use flags to determine if you should output the result or skip to a different instruction.
💡 Hint: Think about how the zero flag impacts decision-making in this context.
Design a sequence of assembly instructions that demonstrates the use of the PSW during a function call and return.
💡 Hint: Make sure to include steps that save and restore the state.
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