Part 1: 1–2 pages; Part 2: 1–2 pages
Part 1 Tasks: Week 4 IP Final Draft
Using any national known computer manufacturer, finalize the outline of a computer configuration for your use. Your outline should include the following:
Part 2 Tasks: Week 5
The Assembly code compilation may be challenging, but the program has to be saved and submitted through a Notepad++ document. You can download notepad++ if you do not have a current copy. Click here to download the Notepad++ software. After you download the Notepad++ editor, type in your code and save it. Then it can be copied and pasted and run in an online compiler
Click here (http://www.compileonline.com/compile_assembly_online.php) to compile and execute assembly code.
section .text
global _start ;must be declared for using gcc
_start: ;tell linker entry point
mov edx, len ;message length
mov ecx, msg ;message to write
mov ebx, 1 ;file descriptor (stdout)
mov eax, 4 ;system call number (sys_write)
int 0x80 ;call kernel
mov eax, 1 ;system call number (sys_exit)
int 0x80 ;call kernel
section .data
msg db ‘Hello, world!’,0xa ;our dear string
len equ $ – msg ;length of our dear string
When you click on the compile and execute button, the following results in the right screen will display:
Compiling main.asm source code….
$nasm -f elf main.asm 2>&1
Linking the program….
$ld -m elf_i386 -s -o demo *.o 2>&1
Executing the program….
$demo
Hello, world!
2. Modify the code to display the following four lines:
Hello, world!
CE 242 is an awesome and fun class!
CTU is a great University!
I love the USA!
Part 3 Tasks: Week 5
01001001 00100000 01101100 01101111 01110110 01100101 00100000 01000011 01010100 01010101
Write your full name in Binary code separated in bytes. For example, the name of the president of the USA in binary code is
Barak Obama
01000010
01100001
01110010
01100001
01101011
00100000
01001111
01100010
01100001
01101101
01100001
Show your work.
section .text
global _start ;must be declared for linker (ld)
_start:
mov eax,3 ;number bytes to be summed
mov ebx,0 ;EBX will store the sum
mov ecx, x ;ECX will point to the current element to be summed
top: add ebx, [ecx]
add ecx,1 ;move pointer to next element
dec eax ;decrement counter
jnz top ;if counter not 0, then loop again
done:
add ebx, ‘0’
mov [sum], ebx ;done, store result in “sum”
display:
mov edx,1 ;message length
mov ecx, sum ;message to write
mov ebx, 1 ;file descriptor (stdout)
mov eax, 4 ;system call number (sys_write)
int 0x80 ;call kernel
mov eax, 1 ;system call number (sys_exit)
int 0x80 ;call kernel
section .data
global x
x:
db 2
db 4
db 3
sum:
db 0
Click here to compile and execute assembly code.
Change the program to display F as a sum of the array.
References
Compileonline.com. (n.d.). Compile and execute assembly online (NASM version 2.10.07). Retrieved from http://www.compileonline.com/compile_assembly_online.php
Notepad++. (n.d.). Download Notepad++ 6.6.3. Retrieved from http://notepad-plus-plus.org/download/v6.6.3.html
Tutorialspoint. (n.d.). Assembly – Environment setup. Retrieved from http://www.tutorialspoint.com/assembly_programming/assembly_environment_setup.htm
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