From:	"Johnny Chan" <jchan AT paclink DOT net>
To:	<djgpp AT delorie DOT com>
Cc:	<Martin_Czamai AT peak-service DOT com>
Subject:	RE: deriving the interrupt vector
Date:	Wed, 6 Oct 1999 11:08:20 -0700
Message-ID:	<000601bf1025$c65ed000$ae3d7a86@phoenix.com>
MIME-Version:	1.0
X-Priority:	3 (Normal)
X-MSMail-Priority:	Normal
X-Mailer:	Microsoft Outlook CWS, Build 9.0.2416 (9.0.2910.0)
X-MimeOLE:	Produced By Microsoft MimeOLE V5.00.2615.200
Importance:	Normal
In-Reply-To:	<19991006123316.20502.rocketmail@web1402.mail.yahoo.com>
Reply-To:	djgpp AT delorie DOT com
X-Mailing-List:	djgpp AT delorie DOT com
X-Unsubscribes-To:	listserv AT delorie DOT com

Do you know how to raise a software interrupt in DJGPP?
I had setted the interrupt vector, now I want to try
to test it within my program, Does DJGPP has any
function to raise a 32bit interrupt?
--jC

>>-----Original Message-----
>>From: Prashant TR [mailto:prashant_news AT yahoo DOT com]
>>Sent: Wednesday, October 06, 1999 5:33 AM
>>To: djgpp AT delorie DOT com
>>Cc: Martin_Czamai AT peak-service DOT com
>>Subject: Re: deriving the interrupt vector
>>
>>
>>
>>
>>--- Martin Czamai <Martin_Czamai AT peak-service DOT com>
>>wrote:
>>> Hi all again,
>>> 
>>> who can tell me how to derive the interrupt vector,
>>> when I've got the
>>> interrupt request line (interrupt level) of a
>>> interrupt controller?
>>> 
>>
>>Hi Martin,
>>
>>I didn't quite get what you mean. Anyway, I assume
>>you're asking me how to catch IRQs 0-15.
>>
>>The __dpmi_version_ret function gives you the PIC
>>mater amd slave base interrupts.
>>
>>This means that if you want to hook IRQ0-7, you'll
>>need to hook up interrupt vector=pic_master_base+IRQ
>>no. This applies for IRQs 0-7.
>>
>>For IRQs 8-15, you'll need to hook up
>>interrupt=pic_slave_base+IRQ no.
>>
>>Normally, IRQ0-7=interrupt 8h-0fh
>>          IRQ8-15=interrupt 70h-78h
>>
>>Use _go32_dpmi_set_protected_mode_interrupt_vector.
>>
>>Is this more or less what you're looking for ?
>>
>>----
>>Prashant TR
>>http://www.members.tripod.com/prashant_tr/
>>
>>=====
>>
>>__________________________________________________
>>Do You Yahoo!?
>>Bid and sell for free at http://auctions.yahoo.com
>>

- Raw text -