Practice Instruction Set Of The 8087 (illustrative Examples) (5.5.3) - System Level Interfacing Design and Arithmetic Coprocessors
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Instruction Set of the 8087 (Illustrative Examples)

Practice - Instruction Set of the 8087 (Illustrative Examples)

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the instruction FLD do?

💡 Hint: Think about how data is moved into the coprocessor.

Question 2 Easy

What is the purpose of FINIT?

💡 Hint: Consider the importance of starting fresh for calculations.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the FLD instruction do?

Stores a value
Loads a floating-point value
Compares stack values

💡 Hint: Think about how data enters the coprocessor.

Question 2

True or False: The FINIT instruction resets the 8087.

True
False

💡 Hint: Consider why starting fresh is important.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a set of floating-point numbers, design a small assembly routine using FLD, FADD, and FSTP to compute their sum. Describe the flow of data in your routine.

💡 Hint: Think about how data should flow into the stack and be operated on.

Challenge 2 Hard

How would you implement error-checking in computations involving FCOM to prevent incorrect jumping in your code?

💡 Hint: Consider how comparisons can determine the next step in a program.

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