String Operations

1. Using the microprocessor simulator, open the program 07textio.asm.
2. Step through its execution to understand its current operation.
3. Modify the program in 07textio.asm to include three procedures. The first should read text from the keyboard and store it in RAM. The second should convert any upper case characters in the stored text to lower case. The third should display the text on the VDU screen.
4. Include all of the following in a Word document entitled “Lab7_StudentID”. Where your student id is substituted in the file name.
• a. A screenshot of the modified assembly code
• b. A few screenshots that show the text stored in RAM, converted to lower case and displayed on the VDU screen.

The simulator to be used and you will be able to find/open 07textio.asm from within the simulator. 

•Microprocessor Simulator - Version 5.0 http://www.softwareforeducation.com/