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new drivelabel functions (mechwarrior 2)

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2143
This commit is contained in:
Peter Veenstra 2005-03-25 08:39:05 +00:00
parent b2b5bfeb7e
commit b3771fdeec
2 changed files with 28 additions and 3 deletions
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28
src/dos/dos_ioctl.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dos_ioctl.cpp,v 1.22 2005-02-10 10:20:51 qbix79 Exp $ */
/* $Id: dos_ioctl.cpp,v 1.23 2005-03-25 08:39:05 qbix79 Exp $ */
#include <string.h>
#include "dosbox.h"
@ -106,6 +106,31 @@ bool DOS_IOCTL(void) {
mem_writeb(ptr+8,0x00); // unit number
mem_writed(ptr+0x1f,0xffffffff); // next parameter block
break;
case 0x46:
case 0x66: /* Volume label */
{
char const* bufin=Drives[drive]->GetLabel();
char buffer[11] ={' '};
char* find_ext=strchr(bufin,'.');
if (find_ext) {
Bitu size=find_ext-bufin;if (size>8) size=8;
memcpy(buffer,bufin,size);
find_ext++;
memcpy(buffer+size,find_ext,(strlen(find_ext)>3) ? 3 : strlen(find_ext));
} else {
memcpy(buffer,bufin,(strlen(bufin) > 8) ? 8 : strlen(bufin));
}
char buf2[8]={ 'F','A','T','1','6',' ',' ',' '};
if(drive<2) buf2[4] = '2'; //FAT12 for floppies
mem_writew(ptr+0,0); // 0
mem_writed(ptr+2,0x1234); //Serial number
MEM_BlockWrite(ptr+6,buffer,11);//volumename
if(reg_cl == 0x66) MEM_BlockWrite(ptr+0x11, buf2,8);//filesystem
}
break;
default :
LOG(LOG_IOCTL,LOG_ERROR)("DOS:IOCTL Call 0D:%2X Drive %2X unhandled",reg_cl,drive);
return false;
@ -136,4 +161,3 @@ bool DOS_GetSTDINStatus(void) {
if (Files[handle] && (Files[handle]->GetInformation() & 64)) return false;
return true;
};

3
src/dos/drives.h
View file

@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: drives.h,v 1.27 2005-03-16 20:44:55 qbix79 Exp $ */
/* $Id: drives.h,v 1.28 2005-03-25 08:39:05 qbix79 Exp $ */
#ifndef _DRIVES_H__
#define _DRIVES_H__
@ -302,6 +302,7 @@ public:
virtual bool isRemote(void);
virtual bool isRemovable(void);
bool readSector(Bit8u *buffer, Bit32u sector);
virtual char const* GetLabel(void) {return discLabel;};
private:
int readDirEntry(isoDirEntry *de, Bit8u *data);
bool loadImage();