08 Jul PLP UART Palindrome Checker All interaction on Studypool is 100% anonymous. Username has been changed to protect this user’s privacy Anonymous
PLP UART Palindrome Checker
All interaction on Studypool is 100% anonymous. Username has been changed to protect this user’s privacy
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Programming
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Asked: Apr 5th, 2019
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$300
Question Description
CSE 230 Project 3: UART Palindrome Checker
Learning Objectives: ● Create modular code and interface with unfamiliar modularized code
The Task
In this project, you will be writing a program that receives a string of characters via the UART, checks if this
string is a palindrome, and then uses a print function to print either “Yes” or “No”. A palindrome sequence of
characters (typically a word or phrase) that is the same both forwards and backwards. For this project, strings
will be terminated using a period (‘.’). You may assume that a string will contain at least one character in
addition to a period. You will not need to handle empty strings or strings with only a period. Your program
should be able to handle multiple strings sent one after another or concatenated together. For example, the
string: “abba. data.” should print “Yes” followed by “No” on the next line. Spaces should be ignored when
checking for a palindrome and the palindrome should not be case sensitive. For example, “A nut for a jar of
tuna.” would be considered a palindrome.
Print Function
A skeleton PLP project file is available to download on Blackboard. The PLP project includes a second ASM file
titled, project3_print.asm. This ASM file contains the print function used in this project. PLPTool concatenates all
ASM files within a PLP project into a single location in memory (unless additional .org statements have been
added to specify different location for code). No changes to project3_print.asm should be made.
When called, depending on the value in register $a0, the following string will be displayed on the simulated
UART device’s output. If $a0 contains a zero then “No” will be displayed and if $a0 contains a non-zero value
(e.g. one) then “Yes” will be displayed. The print function is called using the following instruction:
call project3_print
To use the print function, your PLP program needs to initialize the stack pointer ($sp) before performing the
function call (or any other operations involving the stack pointer). For this reason, the skeleton project file
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