LC3 tools assembly problem + code report

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Assembly Programming (100 points) Objective The objective of this assignment is to put into practice the learnt assembly concepts and problem- solving skills in order to decompose and implement a complex task (by the standards of assembly programming) while testing your ingenuity. Description By now you should be already well familiar with the default LC3 integer data type (which comprises integers in the range [#-32768, #32767]) and how to implement and use various operations on them, such as: addition, multiplication, input, and output. The implicit limitations of the range of the default integers is rather restrictive when it comes to the implementation of more complex tasks – such as the addition of very long integers. You will resolve this issue by adding support for addition on large integers, which we will cleverly call multi-word natural (MWN) numbers. Your tasks Programming As mentioned in Description, you will implement addition for two input MWN numbers n and m, where 0 ≤ n < 10100 and 0 ≤ m < 10100. Moreover, you should be able to output the result of this addition. Report Aside from the programming part, we also expect you to write a short report that should contain the following sections: • problem analysis; • algorithm and program design; • implementation choices. You do not need to include code snippets in the report. Hints Note that we will not provide you with any implementation details and it is completely up to you to figure out a design and implementation to the given problem. Keep in mind that for the purpose of this assignment, we are not concerned about memory and time efficiency, so any implementation is accepted. You should focus on designing a simple and elegant program that solves the problem. Doing so will save you a lot of time in the implementation phase. We will only give you the following hint: storing the MWN numbers in memory should not be harder than writing them on a piece of paper and adding them should bring you memories of primary school. 1 Expected / sample output Figure 1: An example of the addition of the MWN numbers 32767 and 424242424242424 Further requirements • When reading user input, print the character after every keystroke. • After printing the resulting number, there should be a newline. • Execution of the program should start at x3000. 2

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