This Question Uses The MARS MIPS Simulator. The Goal Is To W

This question uses the MARS MIPS simulator. The goal is to write a loop in assembly that converts hexadecimal numbers into UTF-8 binary sequences

This question uses the MARS MIPS simulator. The goal is to write a loop in assembly that converts hexadecimal numbers into UTF-8 binary sequences. You should copy and paste the provided starter code into the MARS editor, save it under your own filename, and analyze its existing structure. The primary modification involves implementing a section in the main procedure between the comments "Your part starts here" and "Your part ends here," where you'll write the logic to convert a hexadecimal code point into its respective UTF-8 binary encoding according to the standards described. Additional comments should be added to clarify your actions, including updates to the register assignment table and changes to embedded character strings that display your names. The program will process a series of hexadecimal code points stored in the 'testcase' array, convert each to UTF-8 encoding, then print the results. Proper understanding of UTF-8 encoding rules and bitwise operations in MIPS assembly will be essential. You should also verify correctness and efficiency of your implementation, ensuring it accurately encodes various ranges of code points, including single-byte, two-byte, three-byte, and four-byte sequences, and properly handles invalid inputs. Your implementation should align with standard UTF-8 encoding diagrams, particularly focusing on how bits are padded and shifted to form correct byte sequences. In addition to writing the core conversion logic, you should extend the register assignment table with appropriate explanations, add relevant comments to facilitate comprehension, and replace placeholder strings with your actual names. This task will deepen your understanding of bit manipulations, control flow in assembly, and text encoding standards. You should aim for a well-structured, commented, and efficient solution that successfully encodes the provided hexadecimal values into their UTF-8 binary sequences within the given starter framework.

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In this assignment, the primary goal is to implement a conversion loop in MIPS assembly that translates hexadecimal code points into their corresponding UTF-8 binary sequences. This task involves understanding the structure of UTF-8 encoding, which varies based on the value of the code point, and translating that knowledge into assembly language operations. The starting point is a provided MIPS program, which reads an array of hexadecimal values and outputs formatted information about each. The key modification is to replace the placeholder section of the code with an algorithm that, for each code point, determines the correct UTF-8 encoding pattern, applies bitwise shifts and masks to extract and assemble the appropriate bits, and then prints these binary sequences in a human-readable format. This process requires careful use of shift, logical AND, OR, and comparison instructions to implement the encoding steps accurately.

To approach this problem, it is advisable to first plan the solution in a high-level language such as C. This helps clarify the logic, including the conditional structure needed to distinguish between the different ranges of Unicode code points (e.g., 1-byte, 2-byte, 3-byte, 4-byte sequences) and their specific encoding rules. Once the C version is fleshed out, the solution can be systematically translated into MIPS assembly, taking care to implement each step with corresponding instructions. The encoding rules follow the standard UTF-8 pattern, where bits are masked, shifted, and combined to produce valid byte sequences, as outlined in the standard diagram. For example, small code points (less than 128) require no encoding effort, whereas larger ones need multiple bytes with specific leading bits and continuation bytes.

The implementation should include clear documentation and comments within the code to explain the bit operations, register usage, and control flow decisions. Additionally, the program must handle invalid code points appropriately, with the sample code currently treating errors as special cases. Ensuring efficiency is also important; for instance, minimizing unnecessary instructions and optimizing conditional branches can enhance performance. At the conclusion, the program should successfully process all provided test cases, converting each hexadecimal value into the correct UTF-8 binary sequence according to the encoding rules.

Finally, this exercise not only develops practical skills in MIPS assembly programming but also reinforces understanding of character encoding standards, bit manipulation, and low-level system operations. The completed program will serve as a robust example of encoding implementation suitable for educational and practical purposes.