Use this code file with Quiz 08. Read and take notes on this page before opening and starting the quiz in D2L. 1 #Quiz 08 Code 2.section .data 3 data_items: 4.byte 5.section .text 6 .globl start 7_start: 67,34,29,44,48,54,71,43,66,92,56,78, 22, 11 8 movq $0,%rdi 9 movb data_items (,%rdi,1), %al 10 movb %al, %bl 11 start_loop: 12 movq %rdi,%rcx 13 cmpq $0xB, %rcx 14 je loop_exit 15 movq %rcx,%rdi 16 movb data_items(, %rdi,1), %al 17 incq %rdi 18 cmpb %bl, %al 19 jg start_loop 20 movb %al, %bl 21 jmp start_loop 22 loop_exit: 23 cmpb $0x1D, %bl 24 je math 25 jmp done 26 math: 27 mov $0x21, %bl 28 done: 29 movq $1,%rax 30 int $0x80 31 # ./quiz08code 32 # ld quiz08code -o quiz08code.s 33 # as quiz08code.o -o quiz08code.s 34 # echo ?$

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
Section: Chapter Questions
Problem 1PE
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What does the code do? And what is the output value of the code?
### Assembly Code Explanation for Quiz 08

This code snippet appears to be an assembly language program used for educational purposes, linked with a quiz identified as Quiz 08. It provides a practical exercise for students to analyze and understand assembly instructions, data handling, and program flow.

#### Code Breakdown
- **Data Section:**
  ```assembly
  .section .data
  data_items:
  .byte 67,34,29,44,48,54,71,43,66,92,56,78, 22, 11
  ```
  - This section defines a list of byte-sized data items. These numbers are stored in a continuous block in the data segment.

- **Text Section:**
  ```assembly
  .section .text
  .globl _start
  _start:
  ```
  - The `.text` section contains the executable instructions. `_start` is declared as global, indicating the entry point of the program.

- **Program Logic:**
  ```assembly
  movq $0,%rdi
  movb data_items(,%rdi,1),%al
  movb %al,%bl
  start_loop:
  movq %rdi,%rcx
  cmpq $0xB, %rcx
  je loop_exit
  movq %rcx,%rdi
  movb data_items(,%rdi,1),%al
  incq %rdi
  cmpb %bl, %al
  jg start_loop
  movb %al, %bl
  jmp start_loop
  loop_exit:
  cmpb $0x1D, %bl
  je math
  jmp done
  math:
  mov $0x21,%bl
  done:
  movq $1,%rax
  int $0x80
  ```
  - **Initialization:**
    - The initial index register `%rdi` is set to 0.
    - The first data item is loaded into the `%al` register and the same value into `%bl`, which maintains the highest value encountered.

  - **Loop Logic (`start_loop`):**
    - The loop iterates over the `data_items` array.
    - `%rcx` is set to the current index `%rdi` and checked against 11 (`0xB`).
    - If the index equals
Transcribed Image Text:### Assembly Code Explanation for Quiz 08 This code snippet appears to be an assembly language program used for educational purposes, linked with a quiz identified as Quiz 08. It provides a practical exercise for students to analyze and understand assembly instructions, data handling, and program flow. #### Code Breakdown - **Data Section:** ```assembly .section .data data_items: .byte 67,34,29,44,48,54,71,43,66,92,56,78, 22, 11 ``` - This section defines a list of byte-sized data items. These numbers are stored in a continuous block in the data segment. - **Text Section:** ```assembly .section .text .globl _start _start: ``` - The `.text` section contains the executable instructions. `_start` is declared as global, indicating the entry point of the program. - **Program Logic:** ```assembly movq $0,%rdi movb data_items(,%rdi,1),%al movb %al,%bl start_loop: movq %rdi,%rcx cmpq $0xB, %rcx je loop_exit movq %rcx,%rdi movb data_items(,%rdi,1),%al incq %rdi cmpb %bl, %al jg start_loop movb %al, %bl jmp start_loop loop_exit: cmpb $0x1D, %bl je math jmp done math: mov $0x21,%bl done: movq $1,%rax int $0x80 ``` - **Initialization:** - The initial index register `%rdi` is set to 0. - The first data item is loaded into the `%al` register and the same value into `%bl`, which maintains the highest value encountered. - **Loop Logic (`start_loop`):** - The loop iterates over the `data_items` array. - `%rcx` is set to the current index `%rdi` and checked against 11 (`0xB`). - If the index equals
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