94 lines
2.0 KiB
C
94 lines
2.0 KiB
C
#ifndef INT21_H
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#define INT21_H
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#define DosVersion 0x0303;
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#define SectorSize 0x200;
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#define SectorsPerCluster 0x04;
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#define AX context->sc_eax
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#define BX context->sc_ebx
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#define CX context->sc_ecx
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#define DX context->sc_edx
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#define ES context->sc_es
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#define DS context->sc_ds
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#define DI context->sc_edi
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#define SI context->sc_esi
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#define pointer(a,b) (((unsigned int) a << 16) | b)
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#define segment(a) (a >> 16)
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#define offset(a) (a & 0xffff)
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#define SetCflag (context->sc_efl |= 0x00000001L)
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#define ResetCflag (context->sc_efl &= 0xfffffffeL)
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struct diskinfo {
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WORD infolevel;
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DWORD serialnumber;
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char label[11];
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char fstype[8];
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};
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/* extended error codes */
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#define NoError 0x00
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#define InvalidFunction 0x01
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#define FileNotFound 0x02
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#define PathNotFound 0x03
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#define AccessDenied 0x05
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#define InvalidHandle 0x06
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#define MCBDestroyed 0x07
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#define OutOfMemory 0x08
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#define MCBInvalid 0x09
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#define DataInvalid 0x0d
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#define InvalidDrive 0x0f
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#define CanNotRemoveCwd 0x10
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#define NotSameDevice 0x11
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#define NoMoreFiles 0x12
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#define WriteProtected 0x13
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#define UnknownUnit 0x14
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#define DriveNotReady 0x15
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#define UnknownCommand 0x16
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#define CRCError 0x17
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#define BadRqLength 0x18
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#define SeekError 0x19
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#define UnknownMedia 0x1a
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#define SectorNotFound 0x1b
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#define OutOfPaper 0x1c
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#define WriteFault 0x1d
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#define ReadFault 0x1e
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#define GeneralFailure 0x1f
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#define ShareViolation 0x20
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#define LockViolation 0x21
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#define DiskFull 0x27
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#define NoNetwork 0x49
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#define FileExists 0x50
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#define CanNotMakeDir 0x52
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/* Error classes */
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#define EC_Temporary 0x02
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#define EC_AccessDenied 0x03
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#define EC_AppError 0x04
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#define EC_SystemFailure 0x06
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#define EC_NotFound 0x08
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#define EC_MediaError 0x0b
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#define EC_Exists 0x0c
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#define EC_Unknown 0x0d
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/* Suggested actions */
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#define SA_Retry 0x01
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#define SA_Abort 0x04
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#define SA_Ignore 0x06
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#define SA_Ask4Retry 0x07
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/* Error locus */
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#define EL_Unknown 0x01
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#define EL_Disk 0x02
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#define EL_Network 0x03
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#define EL_Memory 0x05
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#endif /* INT21_H */
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