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Added FAT image access and DOS booter functionality

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1757
This commit is contained in:
Dean Beeler 2004-04-03 19:24:59 +00:00
parent 57a7795ae0
commit d0e2bfa15f
7 changed files with 2024 additions and 48 deletions
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21
include/dos_inc.h
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dos_inc.h,v 1.38 2004-02-28 16:35:42 qbix79 Exp $ */
/* $Id: dos_inc.h,v 1.39 2004-04-03 19:19:29 canadacow Exp $ */
#ifndef DOS_H_
#define DOS_H_
@ -67,6 +67,25 @@ struct DOS_Block {
} tables;
};
#ifdef _MSC_VER
#pragma pack (1)
#endif
union bootSector {
struct entries {
Bit8u jump[3];
Bit8u oem_name[8];
Bit16u bytesect;
Bit8u sectclust;
Bit16u reserve_sect;
Bit8u misc[496];
} bootdata;
Bit8u rawdata[512];
} GCC_ATTRIBUTE(packed);
#ifdef _MSC_VER
#pragma pack ()
#endif
enum { MCB_FREE=0x0000,MCB_DOS=0x0008 };
enum { RETURN_EXIT=0,RETURN_CTRLC=1,RETURN_ABORT=2,RETURN_TSR=3};