Reference no: EM131075510

Objectives:

• To learn how to write a C program using CodeWarrior IDE
• To learn how to program I/O instructions in C language
• To learn how to organize a C program to read data from input ports, process the data, and display the result on a simple output device
• To learn how to write inline assembly language in C

IV. 1-A. Cut and paste the Memory window.

IV. 1-B. Cut and paste the Memory window to show the value of result.

IV. 1.C - What is the value displayed on the LEDs after you single step the line PTT = ~result?

IV. 2. A. What are the LED values?

IV. 2. B. Calculate the delay size and show your work.

IV. 3. A. Cut and paste the source code.

IV. 3. B. Cut and paste the Memory window

IV. 3. C. Describe the values of LEDs. What is the last value that you see?

IV. 4. A. Cut and paste the source code.

IV. 4. B. Describe the values of LEDs. What is the last value that you see? Does the loop end

IV. 5. . Does the loop end? Describe the reason

Questions:

1. When we write a C program, in some cases, we need to write some part of the code in assembly language. What do we call an assembly-language code written in a C program? Describe a situation where assembly-language code is preferred over C.

2. Discuss the reason why we used unsigned char for a loop counter of Problem 4 as opposed to int.