mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-27 11:55:06 +00:00
51 lines
2.3 KiB
C
51 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 1997 Helmut Wirth <hfwirth@ping.at>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice immediately at the beginning of the file, witout modification,
|
|
* this list of conditions, and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
|
|
/*
|
|
* The emulator helper interrupt:
|
|
*
|
|
* Interrupt 0xFF is used by some emulator functions. It is a portal into
|
|
* the emulator and cannot be used by ordinary DOS applications directly
|
|
* The interrupt 0xFF is called by helper functions under DOS (such as
|
|
* the redirector interfcae and the EMS emulation).
|
|
* There are functions and subfunctions defined. (See emuint.c for details)
|
|
*/
|
|
|
|
/* The redirector interface (formerly instbsdi.exe) */
|
|
#define EMU_REDIR 0x1 /* Function for redirector interface */
|
|
/* No subfunctions defined */
|
|
|
|
/* Expanded memory (EMS) driver callback */
|
|
#define EMU_EMS 0x2 /* Function for EMS driver control */
|
|
/* subfunctions for EMS */
|
|
#define EMU_EMS_CTL 0x0 /* Control function, used during init */
|
|
#define EMU_EMS_CALL 0x1 /* Callback, calls are routed via this */
|