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 filemask[12];
  11         char attribute;
  12         long filesize;
  13         long filetime;
  14         long filedate;
  15 };
  16
  17 struct diskinfo {
  18         unsigned int infolevel;
  19         unsigned long serialnumber;
  20         char    label[11];
  21         char    fstype[8];
  22 };
  23
  24 #define DosVersion        0x0303;
  25
  26 #define SectorSize        0x200;
  27 #define SectorsPerCluster 0x04;
  28
  29 #define EAX context->sc_eax
  30 #define EBX context->sc_ebx
  31 #define ECX context->sc_ecx
  32 #define EDX context->sc_edx
  33
  34 #define AX (context->sc_eax & 0x0000ffffL)
  35 #define BX (context->sc_ebx & 0x0000ffffL)
  36 #define CX (context->sc_ecx & 0x0000ffffL)
  37 #define DX (context->sc_edx & 0x0000ffffL)
  38
  39 #define CS context->sc_cs
  40 #define DS context->sc_ds
  41 #define ES context->sc_es
  42
  43 #define DI context->sc_edi
  44 #define SI context->sc_esi
  45
  46 #define EFL context->sc_efl
  47
  48 #define pointer(a,b)    (((unsigned int) a << 16) | b)
  49 #define segment(a)      (a >> 16)
  50 #define offset(a)       (a & 0xffff)
  51
  52 #define SetCflag        (EFL |= 0x00000001L)
  53 #define ResetCflag      (EFL &= 0xfffffffeL)
  54
  55 /* extended error codes */
  56
  57 #define NoError         0x00
  58 #define InvalidFunction 0x01
  59 #define FileNotFound    0x02
  60 #define PathNotFound    0x03
  61 #define AccessDenied    0x05
  62 #define InvalidHandle   0x06
  63 #define MCBDestroyed    0x07
  64 #define OutOfMemory     0x08
  65 #define MCBInvalid      0x09
  66 #define DataInvalid     0x0d
  67 #define InvalidDrive    0x0f
  68 #define CanNotRemoveCwd 0x10
  69 #define NotSameDevice   0x11
  70 #define NoMoreFiles     0x12
  71 #define WriteProtected  0x13
  72 #define UnknownUnit     0x14
  73 #define DriveNotReady   0x15
  74 #define UnknownCommand  0x16
  75 #define CRCError        0x17
  76 #define BadRqLength     0x18
  77 #define SeekError       0x19
  78 #define UnknownMedia    0x1a
  79 #define SectorNotFound  0x1b
  80 #define OutOfPaper      0x1c
  81 #define WriteFault      0x1d
  82 #define ReadFault       0x1e
  83 #define GeneralFailure  0x1f
  84 #define ShareViolation  0x20
  85 #define LockViolation   0x21
  86 #define DiskFull        0x27
  87 #define NoNetwork       0x49
  88 #define FileExists      0x50
  89 #define CanNotMakeDir   0x52
  90
  91 /* Error classes */
  92
  93 #define EC_Temporary    0x02
  94 #define EC_AccessDenied 0x03
  95 #define EC_AppError     0x04
  96 #define EC_SystemFailure 0x06
  97 #define EC_NotFound     0x08
  98 #define EC_MediaError   0x0b
  99 #define EC_Exists       0x0c
 100 #define EC_Unknown      0x0d
 101
 102 /* Suggested actions */
 103
 104 #define SA_Retry        0x01
 105 #define SA_Abort        0x04
 106 #define SA_Ignore       0x06
 107 #define SA_Ask4Retry    0x07
 108
 109 /* Error locus */
 110
 111 #define EL_Unknown      0x01
 112 #define EL_Disk         0x02
 113 #define EL_Network      0x03
 114 #define EL_Memory       0x05
 115
 116 #endif /* INT21_H */