2 * BIOS interrupt 11h handler
4 * Copyright 1996 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "wine/port.h"
32 #include "wine/unicode.h"
33 #include "wine/debug.h"
35 /**********************************************************************
36 * INT_Int11Handler (WPROCS.117)
38 * Handler for int 11h (get equipment list).
40 void WINAPI INT_Int11Handler( CONTEXT86 *context )
43 int parallelports = 0;
47 /* borrowed from Ralph Brown's interrupt lists
49 bits 15-14: number of parallel devices
50 bit 13: [Conv] Internal modem
52 bits 11- 9: number of serial devices
54 bits 7- 6: number of diskette drives minus one
55 bits 5- 4: Initial video mode:
61 bit 2: [PS] =1 if pointing device
63 bit 1: =1 if math co-processor
64 bit 0: =1 if diskette available for boot
66 /* Currently the only of these bits correctly set are:
67 bits 15-14 } Added by William Owen Smith,
68 bits 11-9 } wos@dcs.warwick.ac.uk
73 if (GetDriveTypeA("A:\\") == DRIVE_REMOVABLE) diskdrives++;
74 if (GetDriveTypeA("B:\\") == DRIVE_REMOVABLE) diskdrives++;
75 if (diskdrives) diskdrives--;
80 WCHAR comW[] = {'C','O','M','?',0};
81 WCHAR lptW[] = {'L','P','T','?',0};
82 static const WCHAR serialportsW[] = {'s','e','r','i','a','l','p','o','r','t','s',0};
83 static const WCHAR parallelportsW[] = {'p','a','r','a','l','l','e','l','p','o','r','t','s',0};
84 static const WCHAR asteriskW[] = {'*',0};
87 PROFILE_GetWineIniString(serialportsW, comW, asteriskW, temp, 16);
88 if(strcmpW(temp, asteriskW))
92 PROFILE_GetWineIniString(parallelportsW, lptW, asteriskW, temp, 16);
93 if(strcmpW(temp, asteriskW))
96 if (serialports > 7) /* 3 bits -- maximum value = 7 */
98 if (parallelports > 3) /* 2 bits -- maximum value = 3 */
101 SET_AX( context, (diskdrives << 6) | (serialports << 9) | (parallelports << 14) | 0x02 );