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
70 bit 2 (always set) ( bit 2 = 4 )
71 bit 1 } Robert 'Admiral' Coeyman
72 All *nix systems either have a math processor or
76 if (GetDriveTypeA("A:\\") == DRIVE_REMOVABLE
) diskdrives
++;
77 if (GetDriveTypeA("B:\\") == DRIVE_REMOVABLE
) diskdrives
++;
78 if (diskdrives
) diskdrives
--;
83 WCHAR comW
[] = {'C','O','M','?',0};
84 WCHAR lptW
[] = {'L','P','T','?',0};
85 static const WCHAR serialportsW
[] = {'s','e','r','i','a','l','p','o','r','t','s',0};
86 static const WCHAR parallelportsW
[] = {'p','a','r','a','l','l','e','l','p','o','r','t','s',0};
87 static const WCHAR asteriskW
[] = {'*',0};
90 PROFILE_GetWineIniString(serialportsW
, comW
, asteriskW
, temp
, 16);
91 if(strcmpW(temp
, asteriskW
))
95 PROFILE_GetWineIniString(parallelportsW
, lptW
, asteriskW
, temp
, 16);
96 if(strcmpW(temp
, asteriskW
))
99 if (serialports
> 7) /* 3 bits -- maximum value = 7 */
101 if (parallelports
> 3) /* 2 bits -- maximum value = 3 */
104 SET_AX( context
, (diskdrives
<< 6) | (serialports
<< 9) | (parallelports
<< 14) | 0x06 );