1: struct brdevice {
   2:     short brds;
   3:     short brer;
   4:     union {
   5:         short w;
   6:         char c[2];
   7:     } brcs;
   8:     short brwc;
   9:     caddr_t brba;
  10:     short brca;
  11:     short brda;
  12:     short brae;
  13: };
  14: 
  15: /* bits in brds */
  16: #define BRDS_SURDY  0100000     /* selected unit ready */
  17: #define BRDS_SUOL   0040000     /* selected unit on line */
  18: #define BRDS_TOE    0020000     /* selected unit BR */
  19: #define BRDS_HNF    0010000     /* header not found */
  20: #define BRDS_SUSI   0004000     /* selected unit seek incomplete */
  21: #define BRDS_SUFU   0001000     /* selected unit file unsafe */
  22: #define BRDS_SUWP   0000400     /* selected unit write protected */
  23: /* bits 7-0 are attention bits */
  24: #define BRDS_BITS   "\10\20SURDY\17SUOL\16BR\15HNF\14SUSI\12SUFU\11SUWP"
  25: 
  26: /* bits in brer */
  27: #define BRER_WPV    0100000     /* write protect violation */
  28: #define BRER_FUV    0040000     /* file unsafe violation */
  29: #define BRER_NXC    0020000     /* nonexistent cylinder */
  30: #define BRER_NXT    0010000     /* nonexistent track */
  31: #define BRER_SUBUSY 0004000     /* selected unit busy */
  32: #define BRER_PROG   0002000     /* program error */
  33: #define BRER_FMTE   0001000     /* format error */
  34: #define BRER_BSE    0000400     /* bad sector */
  35: #define BRER_ATE    0000200     /* aborted transfer error */
  36: #define BRER_DCE    0000100     /* data check error */
  37: #define BRER_DSE    0000040     /* data sync error */
  38: #define BRER_SBPE   0000020     /* system bad parity error */
  39: #define BRER_WCE    0000010     /* write check error */
  40: #define BRER_NXME   0000004     /* nonexistent memory */
  41: #define BRER_EOP    0000002     /* end of pack */
  42: #define BRER_DSKERR 0000001     /* disk error */
  43: #define BRER_BITS   \
  44: "\10\20WPV\17FUV\16NXC\15NXT\14SUBUSY\13PROG\12FMTE\11BSE\10ATE\
  45: \7DCE\6DSE\5SBPE\4WCE\3NXME\2EOP\1DSKERR"
  46: 
  47: /* bits in brcs */
  48: #define BR_ERR      0100000     /* error */
  49: #define BR_HE       0040000     /* hard error */
  50: #define BR_AIE      0020000     /* attention interrupt enable */
  51: #define BR_HDB      0010000     /* hold drive busy */
  52: #define BR_HDR      0004000     /* header */
  53: /* bits 10-8 are drive select */
  54: #define BR_RDY      0000200     /* ready */
  55: #define BR_IDE      0000100     /* interrupt on done (error) enable */
  56: /* bits 5-4 are the UNIBUS extension bits */
  57: /* bits 3-1 are the function */
  58: #define BR_GO       0000001     /* go */
  59: #define BR_BITS     "\10\20ERR\17HE\16AIE\15HDB\14HDR\10RDY\7IDE\1GO"
  60: 
  61: /* commands */
  62: #define BR_IDLE     0000000     /* idle */
  63: #define BR_WCOM     0000002     /* write */
  64: #define BR_RCOM     0000004     /* read */
  65: #define BR_WCHK     0000006     /* write check */
  66: #define BR_SEEK     0000010     /* seek */
  67: #define BR_WNS      0000012     /* write (no seek) */
  68: #define BR_HSEEK    0000014     /* home seek */
  69: #define BR_RNS      0000016     /* read (no seek) */
  70: 
  71: #define STBE        0000100     /* Strobe early */
  72: #define STBL        0000200     /* Strobe late */
  73: #define OFFP        0140000     /* Positive offset */
  74: #define OFFM        0100000     /* Negative offset */
  75: 
  76: /* Bits in br_ae */
  77: #define AE_DTYP     0007400     /* Disk type */
  78: #define AE_T50      0000400     /* T-50  drive */
  79: #define AE_T80      0001000     /* T-80  drive */
  80: #define AE_T200     0002000     /* T-200 drive */
  81: #define AE_T300     0004000     /* T-300 drive */

Defined struct's

brdevice defined in line 1; used 20 times

Defined macros

AE_DTYP defined in line 77; used 1 times
AE_T200 defined in line 80; never used
AE_T300 defined in line 81; never used
AE_T50 defined in line 78; never used
AE_T80 defined in line 79; never used
BRDS_BITS defined in line 24; used 1 times
BRDS_HNF defined in line 19; used 1 times
BRDS_SUFU defined in line 21; used 1 times
BRDS_SUOL defined in line 17; never used
BRDS_SURDY defined in line 16; used 1 times
BRDS_SUSI defined in line 20; used 1 times
BRDS_SUWP defined in line 22; never used
BRDS_TOE defined in line 18; never used
BRER_ATE defined in line 35; never used
BRER_BITS defined in line 43; used 1 times
BRER_BSE defined in line 34; never used
BRER_DCE defined in line 36; never used
BRER_DSE defined in line 37; never used
BRER_DSKERR defined in line 42; never used
BRER_EOP defined in line 41; never used
BRER_FMTE defined in line 33; never used
BRER_FUV defined in line 28; never used
BRER_NXC defined in line 29; never used
BRER_NXME defined in line 40; used 1 times
BRER_NXT defined in line 30; never used
BRER_PROG defined in line 32; never used
BRER_SBPE defined in line 38; never used
BRER_SUBUSY defined in line 31; used 2 times
BRER_WCE defined in line 39; never used
BRER_WPV defined in line 27; never used
BR_AIE defined in line 50; never used
BR_BITS defined in line 59; used 1 times
BR_ERR defined in line 48; never used
BR_GO defined in line 58; used 7 times
BR_HDB defined in line 51; never used
BR_HDR defined in line 52; never used
BR_HE defined in line 49; used 2 times
BR_HSEEK defined in line 68; used 3 times
BR_IDE defined in line 55; used 1 times
BR_IDLE defined in line 62; used 1 times
BR_RCOM defined in line 64; used 2 times
BR_RDY defined in line 54; used 8 times
BR_RNS defined in line 69; never used
BR_SEEK defined in line 66; never used
BR_WCHK defined in line 65; never used
BR_WCOM defined in line 63; used 3 times
BR_WNS defined in line 67; never used
OFFM defined in line 74; used 2 times
OFFP defined in line 73; used 10 times
STBE defined in line 71; used 6 times
STBL defined in line 72; used 6 times

Usage of this include

Last modified: 1988-08-26
Generated: 2016-12-26
Generated by src2html V0.67
page hit count: 389
Valid CSS Valid XHTML 1.0 Strict