include/int21.h

   1 #ifndef INT21_H
   2 #define INT21_H
   3 #include <dirent.h>
   4
   5 struct dosdirent {
   6         int  inuse;
   7         DIR *ds;
   8         char unixpath[256];
   9         char filename[256];
  10         char attribute;
  11         long filesize;
  12         long filetime;
  13         long filedate;
  14 };
  15
  16 struct diskinfo {
  17         unsigned int infolevel;
  18         unsigned long serialnumber;
  19         char    label[11];
  20         char    fstype[8];
  21 };
  22
  23 #define DosVersion        0x0303;
  24
  25 #define SectorSize        0x200;
  26 #define SectorsPerCluster 0x04;
  27
  28 #define EAX context->sc_eax
  29 #define EBX context->sc_ebx
  30 #define ECX context->sc_ecx
  31 #define EDX context->sc_edx
  32
  33 #define AX (context->sc_eax & 0x0000ffffL)
  34 #define BX (context->sc_ebx & 0x0000ffffL)
  35 #define CX (context->sc_ecx & 0x0000ffffL)
  36 #define DX (context->sc_edx & 0x0000ffffL)
  37
  38 #define ES context->sc_es
  39 #define DS context->sc_ds
  40 #define DI context->sc_edi
  41 #define SI context->sc_esi
  42
  43 #define pointer(a,b)    (((unsigned int) a << 16) | b)
  44 #define segment(a)      (a >> 16)
  45 #define offset(a)       (a & 0xffff)
  46
  47 #define SetCflag        (context->sc_efl |= 0x00000001L)
  48 #define ResetCflag      (context->sc_efl &= 0xfffffffeL)
  49
  50 /* extended error codes */
  51
  52 #define NoError         0x00
  53 #define InvalidFunction 0x01
  54 #define FileNotFound    0x02
  55 #define PathNotFound    0x03
  56 #define AccessDenied    0x05
  57 #define InvalidHandle   0x06
  58 #define MCBDestroyed    0x07
  59 #define OutOfMemory     0x08
  60 #define MCBInvalid      0x09
  61 #define DataInvalid     0x0d
  62 #define InvalidDrive    0x0f
  63 #define CanNotRemoveCwd 0x10
  64 #define NotSameDevice   0x11
  65 #define NoMoreFiles     0x12
  66 #define WriteProtected  0x13
  67 #define UnknownUnit     0x14
  68 #define DriveNotReady   0x15
  69 #define UnknownCommand  0x16
  70 #define CRCError        0x17
  71 #define BadRqLength     0x18
  72 #define SeekError       0x19
  73 #define UnknownMedia    0x1a
  74 #define SectorNotFound  0x1b
  75 #define OutOfPaper      0x1c
  76 #define WriteFault      0x1d
  77 #define ReadFault       0x1e
  78 #define GeneralFailure  0x1f
  79 #define ShareViolation  0x20
  80 #define LockViolation   0x21
  81 #define DiskFull        0x27
  82 #define NoNetwork       0x49
  83 #define FileExists      0x50
  84 #define CanNotMakeDir   0x52
  85
  86 /* Error classes */
  87
  88 #define EC_Temporary    0x02
  89 #define EC_AccessDenied 0x03
  90 #define EC_AppError     0x04
  91 #define EC_SystemFailure 0x06
  92 #define EC_NotFound     0x08
  93 #define EC_MediaError   0x0b
  94 #define EC_Exists       0x0c
  95 #define EC_Unknown      0x0d
  96
  97 /* Suggested actions */
  98
  99 #define SA_Retry        0x01
 100 #define SA_Abort        0x04
 101 #define SA_Ignore       0x06
 102 #define SA_Ask4Retry    0x07
 103
 104 /* Error locus */
 105
 106 #define EL_Unknown      0x01
 107 #define EL_Disk         0x02
 108 #define EL_Network      0x03
 109 #define EL_Memory       0x05
 110
 111 #endif /* INT21_H */