Lab 1 Part A (submit a .asm file) Using MARS simulator to simulate and debug your source code, create a program (using

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Lab 1
Part A (submit a .asm file)
Using MARS simulator to simulate and debug your source code, create
a program (using MIPS instruction set) to have the following
features:
1. Print out a message string with a welcome message "Welcome to
Lab 1 exercise! This program will do the following computation: x *
2^y "
2. Print out a message string with the message "Please enter a
number between 0-9 for x "
3. Get an input from user to enter a number (integer) from
0-9
4. Print out another message string with the message "Please enter
the next number between 0-9 for y "
5. Get an input from user to enter a number (integer) from
0-9
6. Do the process of shift left to get the result of computation of
x * 2^y.
7. Print out a message string with the input numbers and result
(e.g. "3 * 2^8 = 768")
8. Print out another message string to ask whether the user wants
to continue “Do you want to continue? (Y/N)"
9. If the user selects Y, the program loops to step 2. Otherwise,
go to the next line.
10. End the code
11. Optimise the code using procedures whenever
possible.
• Use the instructions jal and jr for the function/procedure
PrintString as shown below:
jal PrintString
…..
…..
PrintString: …..
…..
jr $ra
12. Put relevant comments. Comments should include:
• 1 main summary at the start of the program to explain what the
program does
• Comment at main functions/modules
13. Use meaningful variable names/labels.
14. Advanced level (optional):
• Input validation for steps 3, 5 and 8
15. *Hints:
• For steps 1-5, 7-8, 10 refer to syscall table
• Make sure the values in the registers are not overwritten if the
values are needed later, make sure they are transferred to another
register or memory if necessary. For example, in step 7, the input
values are from step 3 and 5. These values need to be stored
somewhere temporarily to be used in step 7.
(Template)
(Template)