From:	"Alexei A. Frounze" <alexfru AT chat DOT ru>
Newsgroups:	alt.os.development,alt.os.assembly,comp.lang.asm.x86,comp.os.msdos.djgpp,alt.lang.asm
Subject:	Re: ISR with DJGPP in a kernel.
Date:	8 Jan 2000 14:51:08 GMT
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To:	djgpp AT delorie DOT com
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Try out my COFFUTIL package. It has a sample program in C (for DJGPP
compiler) that handles IRQs(0=timer,1=keyboard,3/4=standard serial mouse),
exceptions and has partially implemented standard c library
(inport?/outport?,printf,kbhit,getch, and much more).

URL #1 = http://alexfru.chat.ru
URL #2 = http://members.xoom.com/alexfru

Good Luck
Alexei A. Frounze

Groman пишет в сообщении ...
>
>I am writing a small kernel using DJGPP and NASM, and I bumped into several
>problems(again).
>
>Ok...here are my steps.
>
>1) I create the IDT and load the register.
>2) I reprogram the PIC to shift the IRQs so they do not overlap with the
>exceptions.
>3) I disable all IRQs beside 2 and 0.
>Now I want to create a handler for 0(the timer) in C...
>now, how exactly do I do that... I mean it jumps out of the code right in
>the middle of the function...and starts another one?
>
>that doesn't sound right...
>
>shoud I do the handler in assembly that calls C functions then? or is there
>a way to turn an ordinary DJGPP function
>into a handler...
>
>ok...thank you for your help in advance...
>
>groman.
>
>

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