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Index > OS Construction > Multitasking

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me



Joined: 21 Jun 2003
Posts: 7
me 30 Jul 2003, 03:14
I wondering how to create a simple multitasking scheme / enviroment.
Post 30 Jul 2003, 03:14
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AdamMarquis



Joined: 20 Jun 2003
Posts: 22
Location: La Sarre, Quebec, Canada
AdamMarquis 30 Jul 2003, 04:24
Hi!

One very simple approach is to be event based.

To create your scheme/environment, try programming stuff!
If you keep yourself focused, it will happen.
Look at the Contiki OS project for an implementation.

Adam
Post 30 Jul 2003, 04:24
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me



Joined: 21 Jun 2003
Posts: 7
me 30 Jul 2003, 08:33
I'm researching multi-tasking and I wanted an example code of a scheme for Fasm. I have no real interest in programming an operating system.

I have read many good books on the different type's of multi tasking schemes although i have not seen any examples of one's written in asm for the x86 architecture. I have seen asm code for VAX' yes , IBM/390's - 400's yes, Alpha's, Sparc and now commodore 64. Not 386. Most system design books don't even cover Intel 386 chips. If they do , they are not very indepth. I can not find any real technical information on 386 architecture that would aid me in this research effort.

Excuse my spelling.

I'll think i will just have to be happy with the menuetos source.

Thanx anyway adam. Smile
Post 30 Jul 2003, 08:33
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crc



Joined: 21 Jun 2003
Posts: 637
Location: Penndel, PA [USA]
crc 01 Aug 2003, 18:55
John Fine wrote several multitasking demos for the 386. They were written in NASM, but a port to FASM shouldn't be difficult. In any event, they are a lot simpler to understand than the Menuet code. IIRC they are all heavily commented. You can find them at http://my.execpc.com/~geezer/johnfine/
Post 01 Aug 2003, 18:55
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Perica



Joined: 07 Sep 2003
Posts: 5
Perica 07 Sep 2003, 04:30
The Intel processor manuals are the best reference you can get, they contain detailed technical information on the Intel range of CPUs (including x86); You can download them for free as PDFs from the Intel web-site: http://www.intel.com/design/pentium4/manuals/
Post 07 Sep 2003, 04:30
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