2002-11-24 22:34:04 +00:00
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/*
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* BIOS interrupt 11h handler
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*
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* Copyright 1996 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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2003-09-05 23:08:26 +00:00
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#include <stdarg.h>
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2002-11-24 22:34:04 +00:00
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "windef.h"
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2003-09-05 23:08:26 +00:00
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#include "winbase.h"
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2002-11-24 22:34:04 +00:00
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#include "winreg.h"
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2003-11-15 00:13:20 +00:00
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#include "dosexe.h"
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2002-11-24 22:34:04 +00:00
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#include "wine/unicode.h"
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#include "wine/debug.h"
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/**********************************************************************
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* DOSVM_Int11Handler (WINEDOS16.117)
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*
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* Handler for int 11h (get equipment list).
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*
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*
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* Borrowed from Ralph Brown's interrupt lists:
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*
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* bits 15-14: number of parallel devices
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* bit 13: [Conv] Internal modem
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* bit 12: reserved
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* bits 11- 9: number of serial devices
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* bit 8: reserved
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* bits 7- 6: number of diskette drives minus one
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* bits 5- 4: Initial video mode:
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* 00b = EGA,VGA,PGA
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* 01b = 40 x 25 color
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* 10b = 80 x 25 color
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* 11b = 80 x 25 mono
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* bit 3: reserved
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* bit 2: [PS] =1 if pointing device
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* [non-PS] reserved
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* bit 1: =1 if math co-processor
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* bit 0: =1 if diskette available for boot
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*
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*
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* Currently the only of these bits correctly set are:
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*
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* bits 15-14 } Added by William Owen Smith,
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* bits 11-9 } wos@dcs.warwick.ac.uk
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* bits 7-6
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* bit 2 (always set) ( bit 2 = 4 )
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* bit 1 } Robert 'Admiral' Coeyman
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* All *nix systems either have a math processor or
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* emulate one.
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*/
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void WINAPI DOSVM_Int11Handler( CONTEXT86 *context )
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{
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int diskdrives = 0;
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int parallelports = 0;
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int serialports = 0;
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int x;
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if (GetDriveTypeA("A:\\") == DRIVE_REMOVABLE) diskdrives++;
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if (GetDriveTypeA("B:\\") == DRIVE_REMOVABLE) diskdrives++;
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if (diskdrives) diskdrives--;
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for (x=0; x < 9; x++)
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{
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HKEY hkey;
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char option[10];
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char temp[256];
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/* serial port name */
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strcpy( option, "COMx" );
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option[3] = '1' + x;
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option[4] = '\0';
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/* default value */
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strcpy( temp, "*" );
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if (!RegOpenKeyA(HKEY_LOCAL_MACHINE,
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"Software\\Wine\\Wine\\Config\\serialports",
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&hkey))
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{
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DWORD type;
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DWORD count = sizeof(temp);
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RegQueryValueExA( hkey, option, 0, &type, temp, &count );
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RegCloseKey( hkey );
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}
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if (strcmp(temp, "*") && *temp != '\0')
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serialports++;
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/* parallel port name */
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strcpy( option, "LPTx" );
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option[3] = '1' + x;
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option[4] = '\0';
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/* default value */
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strcpy( temp, "*" );
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if (!RegOpenKeyA(HKEY_LOCAL_MACHINE,
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"Software\\Wine\\Wine\\Config\\parallelports",
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&hkey))
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{
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DWORD type;
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DWORD count = sizeof(temp);
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RegQueryValueExA( hkey, option, 0, &type, temp, &count );
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RegCloseKey( hkey );
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}
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if (strcmp(temp, "*") && *temp != '\0')
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parallelports++;
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}
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if (serialports > 7) /* 3 bits -- maximum value = 7 */
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serialports = 7;
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if (parallelports > 3) /* 2 bits -- maximum value = 3 */
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parallelports = 3;
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SET_AX( context,
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(diskdrives << 6) | (serialports << 9) | (parallelports << 14) | 0x06 );
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}
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