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Registered Member #2012
Joined: Sat Mar 07 2009, 10:22AM
Location: Slovakia
Posts: 45
I was in doubt whether to post this in the projects section or in here, because most projects there were electricity-related. Ah well.
Well, I've been working on this thing for two months, during summer holidays in my spare time. It was aimed to have maximum stability, but it was cancelled. Well, it's functional as DOS 1.0 was, but this was pretty hard to program. Everything there is programmed in x86 assembly by me... as I see some of you are programming PIC microchips you know how fun that can be xD To say the truth, my kernel is no forked DOS or Linux, it was created from scratch.
It has some weird functions, it can detect your CPU speed, RAM size, ROM-BIOS compilation date, if you're running under a PC emulator such as Bochs, VPC and it can read a floppy disk contents (files, directories, file size, attributes), has a simple shell and a VGA graphic demo. Using the command "BEEP" the OS can play a PCM WAV sound through PC speaker, the sound file is hardcoded into the kernel though (if I would got the complete FAT12 driver working you could play WAVs through PC speaker.... remember old DOS games? ), you can switch between two text modes - 80x25 and 80x50, plus you can select up to three custom text fonts in 80x25,... and many more.
Oh and I also forgot, here it is: . Looks simple, but it's pretty complicated in code. ;) Runs even on a 80386 with 4 MB RAM and EGA, and for Slovaks and Czech here, if any, it has two language versions - English and Slovak, and it supports our diacritics in the Kamenický codepage (KEYBCS2 as DOS called it).
Registered Member #952
Joined: Mon Aug 13 2007, 11:07AM
Location: Finland
Posts: 388
That must've been a lot of work! Very nice.
I have messed with assembly as well, but only thing I could get working was a bootloader which drew a Sierpinski triangle on the screen. But it worked very well I put it on a floppy and got my old computer actually boot from that.
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My own 32-bit operating system
), you can switch between two text modes - 80x25 and 80x50, plus you can select up to three custom text fonts in 80x25,... and many more.
