dosbox-wii/src/dos/dos_devices.cpp
2009-05-02 21:43:00 +00:00

78 lines
1.9 KiB
C++

/*
* Copyright (C) 2002 The DOSBox Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <string.h>
#include "dosbox.h"
#include "callback.h"
#include "regs.h"
#include "mem.h"
#include "bios.h"
#include "dos_inc.h"
#include "support.h"
#define MAX_DEVICES 10
/* Include all the devices */
#include "dev_con.h"
static DOS_Device * devices[MAX_DEVICES];
static Bit32u device_count;
Bit8u DOS_FindDevice(char * name) {
/* loop through devices */
Bit8u index=0;
while (index<device_count) {
if (devices[index]) {
if (strcasecmp(name,devices[index]->name)==0) return index;
}
index++;
}
return 255;
}
void DOS_AddDevice(DOS_Device * adddev) {
//TODO Give the Device a real handler in low memory that responds to calls
if (device_count<MAX_DEVICES) {
devices[device_count]=adddev;
device_count++;
/* Add the device in the main file Table */
Bit8u handle=DOS_FILES;Bit8u i;
for (i=0;i<DOS_FILES;i++) {
if (!Files[i]) {
handle=i;
Files[i]=adddev;
break;
}
}
if (handle==DOS_FILES) E_Exit("DOS:Not enough file handles for device");
adddev->fhandle=handle;
} else {
E_Exit("DOS:Too many devices added");
}
}
void DOS_SetupDevices(void) {
device_count=0;
DOS_Device * newdev;
newdev=new device_CON();
DOS_AddDevice(newdev);
}