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Up to [Power 6/32 Unix Tahoe 4.2BSD] / cci / d / pits|
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1.1 root 1:
2:
3: #define GATE_OPEN (0x00)
4: #define GATE_CLOSED (0xFF)
5:
6:
7: /* Group. I Control status/commands */
8: #define NOOP (0x20000000L) /* no op */
9: #define CONFIG (0x00000000L) /* configure */
10: #define SET_PA (0x08000000L) /* set page */
11: #define DRIVE_S (0x28000000L) /* drive status */
12: #define DRIVE_R (0x90000000L) /* drive reset */
13:
14: /* Group. II Tape position commands */
15: #define REWD_OV (0x04000000L) /* rewind overlapped */
16: #define READ_FO (0x1C000000L) /* read foreign tape */
17: #define REWD_TA (0x34000000L) /* rewind tape */
18: #define OFF_UNL (0x38000000L) /* off_line and unload */
19: #define WRIT_FM (0x40000000L) /* write filemark */
20: #define SERH_FM (0x44000000L) /* search filemark */
21: #define SPACE (0x48000000L) /* skip record */
22: #define SP_FORW (0x48000000L) /* space forward */
23: #define SP_BACK (0xC8000000L) /* space backwords */
24: #define ERASE_F (0x4C000000L) /* erase fixed length */
25: #define ERASE_T (0x50000000L) /* erase to end of tape */
26: #define SPAC_FM (0x70000000L) /* space filemark */
27: #define SERH_MU (0x94000000L) /* search multiple filemarks */
28:
29: /* Group. III Data transfer commands */
30: #define READ_BU (0x10000000L) /* read buffered */
31: #define WRIT_BU (0x14000000L) /* write buffered */
32: #define EDIT_BU (0x18000000L) /* edit buffered */
33: #define READ_TA (0x2C000000L) /* read tape */
34: #define WRIT_TA (0x30000000L) /* write tape */
35: #define EDIT_TA (0x3C000000L) /* edit tape */
36: #define READ_ST (0x60000000L) /* read streaming */
37: #define WRIT_ST (0x64000000L) /* write streaming */
38:
39: /* Group. IV Special commands */
40: #define EXCHANG (0x0C000000L) /* exchange system and tapemaster RAM */
41: #define BLOCK_M (0x80000000L) /* block move */
42:
43: /* Group. V Diagnostic commands */
44: #define TEST_SH (0x54000000L) /* short memory test */
45: #define TEST_LG (0x58000000L) /* long memory test */
46: #define TEST_CN (0x5C000000L) /* controller confidence test */
47: #define TEST_RW (0x68000000L) /* test read/write timeing */
48: /* Control byte[0] bit assignments */
49: #define CW_TSm (0x0C) /* tape select mask, 2 bit field */
50: #define CW_TSs (2) /* tape select shift, 2 bit field <<shift */
51: #define CW_M (0x10) /* mailbox flag */
52: #define CW_I (0x20) /* interrupt flag */
53: #define CW_L (0x40) /* link flag */
54: #define CW_BL (0x80) /* bus lock flag */
55:
56: /* Control byte[1] bit assignments */
57: #define CW_BS (0x01) /* bank select */
58: #define CW_R (0x04) /* reverse flag */
59: #define CW_SD (0x08) /* speed/density */
60: #define CW_25ips (0x00) /* 25 inches per second speed */
61: #define CW_100ips (0x08) /* 100 inches per second speed */
62: #define CW_C (0x10) /* continuous */
63: #define CW_W (0x80) /* width */
64: #define CW_8bits (0x00) /* width 8 bits */
65: #define CW_16bits (0x80) /* width 16 bits */
66:
67: /* status byte[0] bit assignements */
68: #define CS_P (0x02) /* Protected, no write ring */
69: #define CS_FB (0x04) /* formatter busy */
70: #define CS_DR (0x08) /* drive ready */
71: #define CS_EOT (0x10) /* end of tape detected */
72: #define CS_LP (0x20) /* tape is at load point */
73: #define CS_OL (0x40) /* drive on_line */
74: #define CS_FM (0x80) /* Filemark detected */
75:
76: /* status byte[1] bit assignements */
77: #define CS_ERm (0x1F) /* Command (Error) mask */
78: #define CS_CR (0x20) /* Command (Retry) */
79: #define CS_CC (0x40) /* Command (Complete) */
80: #define CS_CE (0x80) /* Command (Entered) */
81:
82: /* block move control byte[0] bit assignments */
83: #define BM_SI (0x01) /* increment source address */
84: #define BM_SW (0x02) /* source width */
85: #define BM_DI (0x04) /* increment destination address */
86: #define BM_DW (0x08) /* destination width */
87: #define BM_M (0x10) /* mailbox flag */
88: #define BM_I (0x20) /* interrupt flag */
89: #define BM_L (0x40) /* link flag */
90: #define BM_BL (0x80) /* bus lock flag */
91:
92: /* block move control byte[1] bit assignments */
93: #define BM_T (0x01) /* translate flag */
94: #define BM_S (0x02) /* search flag */
95: #define BM_NC (0x04) /* non_compare flag */
96: #define BM_TH (0x08) /* throttle flag */
97: #define BM_SL (0x10) /* source local flag */
98: #define BM_DL (0x20) /* destination local flag */
99:
100: /* block move status bit assignments */
101: #define BS_ERm (0x1F) /* Command (Error) mask */
102: #define BS_HIT (0x20) /* found match during search */
103: #define BS_CC (0x40) /* Command (Complete) */
104: #define BS_CE (0x80) /* Command (Entered) */
105: /* SC_ERROR & BM_ERROR codes */
106: #define ER_NONE (0x00) /* no error */
107: #define ER_TO1 (0x01) /* timed out data busy false */
108: #define ER_TO2 (0x02) /* data busy false,formatter,ready */
109: #define ER_T03 (0x03) /* time out ready busy false */
110: #define ER_T04 (0x04) /* time out ready busy true */
111: #define ER_T05 (0x05) /* time out data busy true */
112: #define ER_T06 (0x06) /* time out memory */
113: #define ER_BLAN (0X07) /* blank tape */
114: #define ER_DIAG (0x08) /* micro-diagnostic */
115: #define ER_END (0x09) /* EOT forward, BOT rev. */
116: #define ER_HARD (0x0A) /* retry unsuccessful */
117: #define ER_FIFO (0x0B) /* FIFO over/under flow */
118: /* (0x0C) /* Not used */
119: #define ER_PARI (0x0D) /* drive to tapemaster parity error */
120: #define ER_PSUM (0x0E) /* prom checksum */
121: #define ER_TOF (0x0F) /* time out tape strobe */
122: #define ER_TRN (0x10) /* tape not ready */
123: #define ER_PRO (0x11) /* write, no enable ring */
124: /* (0x12) /* Not used */
125: #define ER_JUMP (0x13) /* missing diagnostic jumper */
126: #define ER_BLIN (0x14) /* bad link, link inappropriate */
127: #define ER_FMAR (0x15) /* unexpected filemark */
128: #define ER_PARA (0x16) /* bad parameter, byte count ? */
129: /* (0x17) /* Not used */
130: #define ER_ER (0x18) /* unidentified hardware error */
131: #define ER_STER (0x19) /* streaming terminated */
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