Message-Id: <199811191534.KAA18123@delorie.com>
Date: Thu, 19 Nov 1998 09:49:08 +0200
From: Peter Marinov <mar22 AT usa DOT net>
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To: djgpp-announce AT delorie DOT com
Subject: ANNOUNCE: IRQ processing in DJGPP
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This is to announce that a new chapter is added to DJGPP User's Guide:

"Intercepting And Processing Hardware Interrupts"

You may read the chapter at:
http://www.delorie.com/djgpp/doc/ug/interrupts/hwirqs.html

The chapter has two parts:

First part is to introduce beginners in what are hardware interrupts and
how they are processed in an IBM PC compatible -- describes CPU
interrupts, servicing of interrupts, 8259 interrupt controller and shows
some examples of processing interrupts.

Second part is DJGPP specific and describes how to be hooked and
processed hardware interrupts under DPMI server -- describes what an IRQ
wrapper is by providing the complete sources of an IRQ wrapper module,
describes code and data memory locking, and finally how an CPU interrupt
can be intercepted by calling DPMI server API functions.

Please contact me if you have any suggestions or you encounter problems
after reading this chapter by sending mail to mar22 AT usa DOT net

Peter Marinov
Rousse, Bulgaria