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Index > OS Construction > My 512 byte OS demo

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bitshifter



Joined: 04 Dec 2007
Posts: 761
Location: Massachusetts, USA
bitshifter
This is my 512 byte OS demo.
Inspired by KVP 2004 demo.
It demonstrates software multitasking, services, IPC and more...
Any comments or criticism are welcome.


Description:
Download
Filename: system.asm
Filesize: 16.18 KB
Downloaded: 364 Time(s)


_________________
Coding a 3D game engine with fasm is like trying to eat an elephant,
you just have to keep focused and take it one 'byte' at a time.
Post 26 Jun 2011, 09:57
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typedef



Joined: 25 Jul 2010
Posts: 2914
Location: 0x77760000
typedef
you should make an Image too. But I was able to make one myself.

Good one too Very Happy
Post 26 Jun 2011, 12:17
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typedef



Joined: 25 Jul 2010
Posts: 2914
Location: 0x77760000
typedef
Image

So what else can you throw at it ?

Does it just let you type or is there any other "Easter eggs"
Post 26 Jun 2011, 12:27
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bitshifter



Joined: 04 Dec 2007
Posts: 761
Location: Massachusetts, USA
bitshifter
HeHe, it only has one easter egg Rolling Eyes
Its more of a coding demo than visual demo.
Post 26 Jun 2011, 13:24
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Madis731



Joined: 25 Sep 2003
Posts: 2145
Location: Estonia
Madis731
683 lines of 'code'. Its weird how seemingly every line of source takes 0,75 bytes Smile Its a nice proof of concept, it can finish my sandwitches Smile
Post 27 Jun 2011, 10:48
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bitshifter



Joined: 04 Dec 2007
Posts: 761
Location: Massachusetts, USA
bitshifter
I rewrote the code over this winter, it now has yield capability, a bit cleaner and faster too, take a peek, try it out, leave a reply...


Description:
Download
Filename: system.asm
Filesize: 7.57 KB
Downloaded: 233 Time(s)


_________________
Coding a 3D game engine with fasm is like trying to eat an elephant,
you just have to keep focused and take it one 'byte' at a time.
Post 01 Aug 2014, 12:38
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bitshifter



Joined: 04 Dec 2007
Posts: 761
Location: Massachusetts, USA
bitshifter
Ok, i have been away for a while, im back now...
Was working construction all summer, less work now, more play time Smile

So,
I got 69 bytes left to play with...
Im thinking a segmented memory model would be cool.
Being a micro-kernel, a memory server would be nice to see.
Any ideas or criticism would be greatly appreciated.

Edit: pop ss was funky, changed to a kernel space variable, cost me a few bytes Sad


Description: Latest Version:
Download
Filename: system.asm
Filesize: 7.61 KB
Downloaded: 272 Time(s)


_________________
Coding a 3D game engine with fasm is like trying to eat an elephant,
you just have to keep focused and take it one 'byte' at a time.
Post 24 Nov 2014, 15:05
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dstyl



Joined: 23 Jul 2015
Posts: 67
dstyl
Sounds already realy cool, i could think that microkernel based dostype os would be some fancy idea. And some nice stroboscope fx at the bootscreen Very Happy
Post 06 Aug 2015, 08:46
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