in mips if i have this code below how tould i take that string that was inputed and toggle the case. For example "My nAmE is JhON" would output "mY NaMe IS jHon" in other words uppercase toggles to lower case and lowercase toggles to upper case

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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in mips if

i have this code below how tould i take that string that was inputed and toggle the case.

For example "My nAmE is JhON" would output "mY NaMe IS jHon"

in other words uppercase toggles to lower case and lowercase toggles to upper case

This is a simple assembly program written for the MIPS architecture. Here's the program code transcribed:

```assembly
.data
    userInput: .space 80
.text
    .globl main

main:
    # gettin text from the user
    li $v0, 8
    la $a0, userInput
    li $a1, 80
    syscall

    # displays the name
    li $v0, 4
    la $a0, userInput
    syscall

    # toggles the case
    btl $v0

    # end of ile
    li $v0, 10
    syscall
```

### Explanation

1. **Data Segment (`.data`)**
   - `userInput: .space 80`: Reserves 80 bytes in memory for user input storage.

2. **Text Segment (`.text`)**
   - `.globl main`: Declares the `main` function as a global label, making it accessible to the program loader.

3. **Main Function (`main`)**

   - **Get User Input**
     - `li $v0, 8`: Load immediate value `8` into register `$v0`. This prepares the syscall for reading a string.
     - `la $a0, userInput`: Load the address of `userInput` into register `$a0`.
     - `li $a1, 80`: Load immediate value `80` into register `$a1`. This indicates the maximum number of bytes to read.
     - `syscall`: System call to read a string from the user.

   - **Display User Input**
     - `li $v0, 4`: Load immediate value `4` into register `$v0`. This prepares the syscall for printing a string.
     - `la $a0, userInput`: Load the address of `userInput` into register `$a0`.
     - `syscall`: System call to print the string.

   - **Toggle Case (Incorrect Instruction)**
     - `btl $v0`: This appears to be an error (`btl` is not a standard MIPS instruction). The intended function might be to toggle the case of characters.

   - **End Program**
     - `li $v0, 10`: Load immediate value `10` into register `$v0`. This prepares the syscall to exit
Transcribed Image Text:This is a simple assembly program written for the MIPS architecture. Here's the program code transcribed: ```assembly .data userInput: .space 80 .text .globl main main: # gettin text from the user li $v0, 8 la $a0, userInput li $a1, 80 syscall # displays the name li $v0, 4 la $a0, userInput syscall # toggles the case btl $v0 # end of ile li $v0, 10 syscall ``` ### Explanation 1. **Data Segment (`.data`)** - `userInput: .space 80`: Reserves 80 bytes in memory for user input storage. 2. **Text Segment (`.text`)** - `.globl main`: Declares the `main` function as a global label, making it accessible to the program loader. 3. **Main Function (`main`)** - **Get User Input** - `li $v0, 8`: Load immediate value `8` into register `$v0`. This prepares the syscall for reading a string. - `la $a0, userInput`: Load the address of `userInput` into register `$a0`. - `li $a1, 80`: Load immediate value `80` into register `$a1`. This indicates the maximum number of bytes to read. - `syscall`: System call to read a string from the user. - **Display User Input** - `li $v0, 4`: Load immediate value `4` into register `$v0`. This prepares the syscall for printing a string. - `la $a0, userInput`: Load the address of `userInput` into register `$a0`. - `syscall`: System call to print the string. - **Toggle Case (Incorrect Instruction)** - `btl $v0`: This appears to be an error (`btl` is not a standard MIPS instruction). The intended function might be to toggle the case of characters. - **End Program** - `li $v0, 10`: Load immediate value `10` into register `$v0`. This prepares the syscall to exit
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