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1.1 ! root 1: /* ! 2: * Unibus rm emulation via sc21: ! 3: * registers and bits. ! 4: */ ! 5: ! 6: struct updevice ! 7: { ! 8: u_short upcs1; /* control and status register 1 */ ! 9: short upwc; /* word count register */ ! 10: u_short upba; /* UNIBUS address register */ ! 11: u_short upda; /* desired address register */ ! 12: u_short upcs2; /* control and status register 2 */ ! 13: u_short upds; /* drive Status */ ! 14: u_short uper1; /* error register 1 */ ! 15: u_short upas; /* attention summary */ ! 16: u_short upla; /* look ahead */ ! 17: u_short updb; /* data buffer */ ! 18: u_short upmr; /* maintenance */ ! 19: u_short updt; /* drive type */ ! 20: u_short upsn; /* serial number */ ! 21: u_short upof; /* offset register */ ! 22: u_short updc; /* desired cylinder address register */ ! 23: u_short uphr; /* holding register */ ! 24: u_short upmr2; /* maintenance register 2 */ ! 25: u_short uper2; /* error register 2 */ ! 26: u_short upec1; /* burst error bit position */ ! 27: u_short upec2; /* burst error bit pattern */ ! 28: }; ! 29: ! 30: /* Other bits of upcs1 */ ! 31: #define UP_SC 0100000 /* special condition */ ! 32: #define UP_TRE 0040000 /* transfer error */ ! 33: #define UP_PSEL 0010000 /* port select */ ! 34: #define UP_DVA 0004000 /* drive available */ ! 35: /* bits 8 and 9 are the extended address bits */ ! 36: #define UP_RDY 0000200 /* controller ready */ ! 37: #define UP_IE 0000100 /* interrupt enable */ ! 38: /* bits 5-1 are the command */ ! 39: #define UP_GO 0000001 ! 40: ! 41: /* commands */ ! 42: #define UP_NOP 000 ! 43: #define UP_SEEK 004 /* seek */ ! 44: #define UP_RECAL 006 /* recalibrate */ ! 45: #define UP_DCLR 010 /* drive clear */ ! 46: #define UP_RELEASE 012 /* release */ ! 47: #define UP_OFFSET 014 /* offset */ ! 48: #define UP_RTC 016 /* return to center-line */ ! 49: #define UP_PRESET 020 /* read-in preset */ ! 50: #define UP_PACK 022 /* pack acknowledge */ ! 51: #define UP_DMABAND 024 /* dma bandwidth set */ ! 52: #define UP_SEARCH 030 /* search */ ! 53: #define UP_WCDATA 050 /* write check data */ ! 54: #define UP_WCHDR 052 /* write check header and data */ ! 55: #define UP_WCOM 060 /* write */ ! 56: #define UP_WHDR 062 /* write header and data */ ! 57: #define UP_RCOM 070 /* read data */ ! 58: #define UP_RHDR 072 /* read header and data */ ! 59: #define UP_BOOT 074 /* boot */ ! 60: #define UP_FORMAT 076 /* format */ ! 61: ! 62: /* upcs2 */ ! 63: #define UPCS2_DLT 0100000 /* data late */ ! 64: #define UPCS2_WCE 0040000 /* write check error */ ! 65: #define UPCS2_UPE 0020000 /* UNIBUS parity error */ ! 66: #define UPCS2_NED 0010000 /* nonexistent drive */ ! 67: #define UPCS2_NEM 0004000 /* nonexistent memory */ ! 68: #define UPCS2_PGE 0002000 /* programming error */ ! 69: #define UPCS2_MXF 0001000 /* missed transfer */ ! 70: #define UPCS2_MDPE 0000400 /* massbus data parity error (0) */ ! 71: #define UPCS2_OR 0000200 /* output ready */ ! 72: #define UPCS2_IR 0000100 /* input ready */ ! 73: #define UPCS2_CLR 0000040 /* controller clear */ ! 74: #define UPCS2_PAT 0000020 /* parity test */ ! 75: #define UPCS2_BAI 0000010 /* address increment inhibit */ ! 76: /* bits 0-2 are drive select */ ! 77: ! 78: #define UPCS2_BITS \ ! 79: "\10\20DLT\17WCE\16UPE\15NED\14NEM\13PGE\12MXF\11MDPE\ ! 80: \10OR\7IR\6CLR\5PAT\4BAI" ! 81: ! 82: /* upds */ ! 83: #define UPDS_ATA 0100000 /* attention active */ ! 84: #define UPDS_ERR 0040000 /* composite drive error */ ! 85: #define UPDS_PIP 0020000 /* positioning in progress */ ! 86: #define UPDS_MOL 0010000 /* medium on line */ ! 87: #define UPDS_WRL 0004000 /* write locked */ ! 88: #define UPDS_LST 0002000 /* last sector transferred */ ! 89: #define UPDS_PGM 0001000 /* programmable */ ! 90: #define UPDS_DPR 0000400 /* drive present */ ! 91: #define UPDS_DRY 0000200 /* drive ready */ ! 92: #define UPDS_VV 0000100 /* volume valid */ ! 93: /* bits 1-5 are spare */ ! 94: #define UPDS_OM 0000001 /* offset mode */ ! 95: ! 96: #define UPDS_DREADY (UPDS_DPR|UPDS_DRY|UPDS_MOL|UPDS_VV) ! 97: ! 98: #define UPDS_BITS \ ! 99: "\10\20ATA\17ERR\16PIP\15MOL\14WRL\13LST\12PGM\11DPR\10DRY\7VV\1OM" ! 100: ! 101: /* uper1 */ ! 102: #define UPER1_DCK 0100000 /* data check */ ! 103: #define UPER1_UNS 0040000 /* drive unsafe */ ! 104: #define UPER1_OPI 0020000 /* operation incomplete */ ! 105: #define UPER1_DTE 0010000 /* drive timing error */ ! 106: #define UPER1_WLE 0004000 /* write lock error */ ! 107: #define UPER1_IAE 0002000 /* invalid address error */ ! 108: #define UPER1_AOE 0001000 /* address overflow error */ ! 109: #define UPER1_HCRC 0000400 /* header crc error */ ! 110: #define UPER1_HCE 0000200 /* header compare error */ ! 111: #define UPER1_ECH 0000100 /* ecc hard error */ ! 112: #define UPER1_WCF 0000040 /* write clock fail (0) */ ! 113: #define UPER1_FER 0000020 /* format error */ ! 114: #define UPER1_PAR 0000010 /* parity error */ ! 115: #define UPER1_RMR 0000004 /* register modification refused */ ! 116: #define UPER1_ILR 0000002 /* illegal register */ ! 117: #define UPER1_ILF 0000001 /* illegal function */ ! 118: ! 119: #define UPER1_BITS \ ! 120: "\10\20DCK\17UNS\16OPI\15DTE\14WLE\13IAE\12AOE\11HCRC\10HCE\ ! 121: \7ECH\6WCF\5FER\4PAR\3RMR\2ILR\1ILF" ! 122: ! 123: /* uphr */ ! 124: /* write these int uphr and then read back values */ ! 125: #define UPHR_MAXCYL 0100027 /* max cyl address */ ! 126: #define UPHR_MAXTRAK 0100030 /* max track address */ ! 127: #define UPHR_MAXSECT 0100031 /* max sector address */ ! 128: ! 129: /* uper2 */ ! 130: #define UPER2_BSE 0100000 /* bad sector error */ ! 131: #define UPER2_SKI 0040000 /* seek incomplete */ ! 132: #define UPER2_OPE 0020000 /* operator plug error */ ! 133: #define UPER2_IVC 0010000 /* invalid command */ ! 134: #define UPER2_LSC 0004000 /* loss of sector clock */ ! 135: #define UPER2_LBC 0002000 /* loss of bit clock */ ! 136: #define UPER2_MDS 0001000 /* multiple drive select */ ! 137: #define UPER2_DCU 0000400 /* dc power unsafe */ ! 138: #define UPER2_DVC 0000200 /* device check */ ! 139: #define UPER2_ACU 0000100 /* ac power unsafe */ ! 140: /* bits 5 and 4 are spare */ ! 141: #define UPER2_DPE 0000010 /* data parity error (0) */ ! 142: /* bits 2-0 are spare */ ! 143: ! 144: #define UPER2_BITS \ ! 145: "\10\20BSE\17SKI\16OPE\15IVC\14LSC\13LBC\12MDS\11DCU\10DVC\7ACU\4DPE" ! 146: ! 147: /* upof */ ! 148: #define UPOF_FMT22 0010000 /* 16 bit format */ ! 149: #define UPOF_ECI 0004000 /* ecc inhibit */ ! 150: #define UPOF_HCI 0002000 /* header compare inhibit */ ! 151: ! 152: /* THE SC21 ACTUALLY JUST IMPLEMENTS ADVANCE/RETARD... */ ! 153: #define UPOF_P400 0020 /* +400 uinches */ ! 154: #define UPOF_M400 0220 /* -400 uinches */ ! 155: #define UPOF_P800 0040 /* +800 uinches */ ! 156: #define UPOF_M800 0240 /* -800 uinches */ ! 157: #define UPOF_P1200 0060 /* +1200 uinches */ ! 158: #define UPOF_M1200 0260 /* -1200 uinches */
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