Download link: # 11210 CS 410000 Homework 2
Description
5/5 – (2 votes)
There are two parts i****n this homework.
PART I. ( **Load, ****Stor****e** , Add, Sub)
Please load the data 4(gp) as B, and 12($gp) as C, and do the following calculations.
D =A – C + B, store D to 16(gp)
global pointer(gp): Asystem defined pointer which is used to refer to constant.
Hint
We will give a template called arch_hw2_p1_template.asm, just open it using Mars4_5.jar, write your code within the ####### block in the file (i.e., line 36~41), but DO NOT modify the code elsewhere. Please refer to the following figure.
After you write your code, save it. Next, press “F3” to assemble the code. (Make sure there is no error!) Next, press “F5” to run.
The “Run I/O” screen should show the result like the following figure.
PART II. ( **Branch** Lo**op,** Sy**stem** call , Arit**hmetic** O**perations)**
Please complete the MIPS assembly code according to the problem described.
Description:
Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M.
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Symbol Value I 1 V 5 X 10 L 50 C 100 D 500 M 1000
For example, 2 is written as II in Roman numeral, just two one‘s added together. 12 is written as XII, which is simply X + II. The number 27 is written as XXVII, which is XX + V + II.
Roman numerals are usually written largest to smallest from left to right. However, the numeral for four is not IIII. Instead, the number four is written as IV. Because the one is before the five we subtract it making four. The same principle applies to the number nine, which is written as IX. There are six instances where subtraction is used:
I can be placed before V (5) and X (10) to make 4 and 9.
X can be placed before L (50) and C (100) to make 40 and 90.
C can be placed before D (500) and M (1000) to make 400 and 900.
Given an integer, convert it to a roman numeral.
You must continuously input numbers for them to be converted to Roman numerals until you input 0, at which point the program will stop.
Example 1:
Input: Please enter a number(Input 0 to exit): 3 Output: The Roman is: III
Explanation: 3 is represented as 3 ones.
Example 2:
Input: Please enter a number(Input 0 to exit): 58 Output: The Roman is: LVIII
Explanation: L = 50, V = 5, III = 3.
Example 3:
Input: Please enter a number(Input 0 to exit): 1994 Output: The Roman is: MCMXCIV
Explanation: M = 1000, CM = 900, XC = 90 and IV = 4.
Constraints:
1 <= num <= 3999
Format:
To facilitate the verification of your program correctness, please format the output according to the specified format, as explained in the following example.
Example:
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Do not input on the next line. Please use uppercase for the output Roman numerals
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After you input 0, output “bye” and do not add a new line after outputting “bye”. This line is automatically generated after your program exits and does not need to be manually output.
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Hint
a. This is a problem on LeetCode, and it is recommended that you first validate the correctness of your code on the platform before transferring it into MIPS code.
Reference: Integer to Roman – LeetCode
Note: There are some differences in the requirements of the problem compared to LeetCode.
b. TAwill use different numbers (within the constraint range) to test the correctness of your program.
Submission ( Two assembly programs)
Please name your assembly program with your student ID; for example, arch_hw2_p1_102062801.asm & arch_hw2_p2_102062801.asm, and upload these 2 files onto eeclass.
Grading Criteria Correctness: 80%
Comments in your code: 10% Output format: 10%
嚴格禁止抄****襲 ， 抄襲者與被抄襲者一律 0 分 ！
MARS ( M****IPS Assembler and Runtime Simulator)
1. MARS can assemble and simulate the execution of MIPS assembly language programs. Please refer to the following URL to download Mars4_5.jar: courses.missouristate.edu/kenvollmar/…
2. MARS is developed with Java language, and it requires JRE (Java Runtime Environment) installed on your computer. Please refer to the following URL to download JRE: www.oracle.com/java/techno…
3. After you download the MARS, it is a “.jar” file. Please DO NOT decompress it. You can open the MARS by following method.
4. Usage of MARS: P. S. Save your file,Assemble and Go
After saving the file, you can useAssemble button / F3 to assemble your code and use Go button / F5 to execute it.
The result will be shown in the Run I/O window.
5. If you want to execute Mars on CAD server, please use the option –X to run the graphic application.
ssh -X i****c56
java –jar Mars4 _ 5 .jar
Appendix
- This is a reference for the usage of syscall, you can learn how to do printf, scanf and generate random number in MIPS from this. courses.missouristate.edu/kenvollmar/…
2. Two references for finding the functionality of MIPS instruction. a. alumni.cs.ucr.edu/~vladimir/c…
