#### LSU EE 3755  Fall 2010 MIPS Homework  template.#############
#### Instructions:
####
#### Copy this to a file( name it  f10.asm) and save on  your class account.   
#### Use this file for your solution.  
#### Your entire solution should be on this file.
##
##  Problem  0 : Write down your name and your  account.
##  Your  Name :  #######
##  Your  Account: #######



##  Problem  1(20pts): 

## LOOP:
## 0x400000  add $t2, $s3, $s4
## addi  $t1, $s2,0x10
## nop
## beq  $t2, $s3, LOOP	
##
## (For the problem 1)
## Write  Machine code for the above 4 instructions without looking the Book or Notes.
## (Hexadecimal format)
## Hint:
## opcode for add is 0 and func field is 0x10.
## opcode for addi is 8 and think about rt and rs fields.
## opcode for beq is 4
## register number for $s0 is 16 
## register number for $t0  is 8
## Your solution goes here
##
##
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##
##
##//Problem  2(80pts) 
##Use “ main” at the beginning instead of “__start ” and 
##assume  delayed branch  when you are using xspim or pcspim .
##Write a MIPS program to print the words just like the output format (which is given)  after you read the ##text(textdata) 
##After scanning textdata, you are required to write a program to print a) whole text b)each word one at a ##time based on the number of vowels on the word(print all words in increasing order based on the number ##of vowels; the example is given at the output format.).
##Word  here means character or group of characters separated by space. 
##Vowel means a,e,i,o and u.
## 
##For the simplicity of the program, assume every character in the paragraph is upper case.  Assume the ##longest word length is 15 and the number of total words is less than 30.
##Also assume the maximum number of vowels on a word is 5. 


##Problem 2.1(10 pts)
## One simple way to solve this problem is  scanning the whole text 5 times.
## At your first scanning the text, you will only print the words which contain one vowel on them.
## At your second scanning the text, you will only print the words which contain two vowels   on them.
## At your third scanning the text, you will only print the words which contain three vowels   on them and so ## on.
## After scanning the text 5 times and printing, you stop.
## What will be cons of this approach?(10 pts).
##( your answer comes here)
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##  Problem 2.2(10pts)
##   Problem 2.2.1 Suggest a new method to overcome the cons of the above approach.(5pts)
## ( your answer comes here)
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##  Problem 2.2.2  Briefly explain your method to solve this problem.(5pts)
## ( your answer comes here)
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## Problem 2.3 Complete  the code and produce proper output by using xspim (60pts)


################################################################

(Look at the problem 4 of Spring 2007 MIPS Homework. The code will help you a little bit)

        .data
        
textdata:
        .asciiz "IN A DISTANT GALAXY EONS BEFORE THE CREATION OF THE MYTHICAL PLANET KNOWN AS EARTH \n"
return:
        .asciiz "\n"

word_msg
        .asciiz  " #words contain "

        .align 4
word_msg1:
        .asciiz  " vowel(s) on them"

       .align 4
.text
        .globl main
main:


##hint:  use    .space  to save the words at  .data

##for example:  saved_words:  .space 300  //to save the words 
##                                          //at this memory location