RockOS

This is a mini project of creating an operating system from scratch using all my knowage in computer architerture and operating systems. I'm using assembly x86 in 16 bit real mode togehter with mashine code. See youtube video I build my own OS using Assembly x86 | RockOS - YouTube.

Also don't forget to star the project and fork it if you like.

Goals:

The main goal of RockOS is to be able to run on ony computer (regadless of architecture) and also virtually (using virtual machine).

Other goals:

• create and run thirth party software (custome made apps)

• create and save binary files

• create and save text files

• connection to inthernet/ethernet

• access to disks (mounting/dismounting)

• graphical interface (themes and mouse(not yet))

• real time clock

• play games

• gives CPU information

• gives hardware information

---

Download:

Get the version you like: Releases · kamkanev/RockOS · GitHub

Build it yourself

Preparations:

Windows (unavaiable for now)

Linux:

Install NASM for assembly x86:

    For Debian, Ubuntu, Linux Mint

sudo apt install nasm

    For RHEL, Fedora, AlmaLinux:

sudo dnf install nasm

    For Arch, Manjaro, EndeavourOS

sudo pacman -S nasm

Install QEMU simulator:

    More information here: Download QEMU for Linux

sudo apt-get install qemu-system
sudo pacman -S qemu
sudo dnf install @virtualization

Installation:

Download the github repo:

gh repo clone kamkanev/RockOS

git clone https://github.com/kamkanev/RockOS.git

Go into the folder of the project and run the Makefile:

cd RockOS    

make

    After running the command you should get a .img file.

    Alternativly using the following command you can get a .iso file.

make iso

Run in simulation:

    You can either run the files on a virtual machine or in Virtual x86 or you can run the following command to run the OS in QEMU simulator.

make run

make iso-run

To clean up use:

make clean

make iso-clean

Run on bootable USB

You can also make a bootable USB using:

sudo dd if=RockOS.img of=/dev/sda count=2880 bs=512

Find your USB using

sudo blkid

---

Usage:

At the momment the only working commands are help and all the commands use see there:

Contols for the games:

pong

• first to 5 points wins

• q to exit to the shell

• On win or lose reboots (bug)

• the scores stays in shell after exit. Use clear cmd. (bug)

mines

• move cursor with arrow keys

• space to view the box

• enter to put a flag

• to game over or win restart the game with r

• q to exit the game at any time

• text game over and win doesn't show (bug)

snake

• WASD to move around

• q to exit

• Use clear to reset the theme (bug)

RAM Memory table:

Start	End	Size	Desc.
0x0000_0500	0x0000_7BFF	30463 bytes	Stack
0x0000_7C00	0x0000_7DFF	512 bytes	Bootloader
0x0000_7E00	0x0000_7FFF	512 bytes	Files
0x0000_8000	0x0000_81FF	512 bytes	Shell
0x0000_8200	0x0000_8399	512 bytes	Theme

Floppy image map:

Start	End	Size	Description	Sector
0x0000_0000	0x0000_01FF	512 bytes	bootloader	1
0x0000_0200	0x0000_03FF	512 bytes	files	2
0x0000_0400	0x0000_05FF	512 bytes	shell	3
0x0000_0600	0x0000_07FF	512 bytes	help	4
0x0000_0800	0x0000_09FF	512 bytes	info	5
0x0000_0A00	0x0000_0BFF	512 bytes	clear	6
0x0000_0C00	0x0000_0DFF	512 bytes	theme	7
0x0000_0E00	0x0000_0FFF	512 bytes	clock	8
0x0000_1000	0x0000_11FF	512 bytes	snake	9
0x0000_1200	0x0000_13FF	512 bytes	mines	10
0x0000_1400	0x0000_15FF	512 bytes	pong	11
0x0000_1600	0x0000_17FF	512 bytes	reboot	12

---

Problems:

• Not all games return you the shell

• Can't load files/games larger than 512bytes. (In Progress)

• Optimize the stack and heap (to best of my abilities)

• On game exit theme may change

• Last row in shell is not included in the theme

Credits

Minesweeper (BootMine) from [io12](io12 (Benjamin Levy) · GitHub)

Theme code and other programs from [Code Monkey King](maksimKorzh (Code Monkey King) · GitHub)