Mercurial > hg > Members > kono > nitros9-code
annotate defs/rbfdefs @ 388:81ae11488745
Made changes to output
| author | boisy |
|---|---|
| date | Sun, 25 Aug 2002 03:23:07 +0000 |
| parents | c07686556109 |
| children | c3929e005d23 |
| rev | line source |
|---|---|
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c07686556109
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1 ifeq RBFDEFS |
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3 RBFDEFS set 1 |
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4 |
| 0 | 5 nam RBFDefs |
| 6 ttl Random Block File Manager Definitions | |
| 7 | |
| 8 ********************** | |
| 9 * Modification History | |
| 10 * | |
| 11 * Date Changes Made by | |
| 12 * -------- ------------------------------------------------------------ --- | |
| 13 * 82/07/13 PD.Exten added to path descriptor rfd | |
| 14 * 82/07/13 PE entries defined rfd | |
| 15 * 82/07/15 V.FileHd inserted in drive static rfd | |
| 16 * 82/09/10 Level One/ Level two cond added WGP | |
| 17 * 82/09/17 Record Lock cond added WGP | |
| 18 * 82/09/17 PD.SLE renamed to PD.Creat rfd | |
| 19 * 82/09/17 V.DiskID, V.BMapSz, V.MapSct added for | |
| 20 * smart multi-sector bitmap searching rfd | |
| 21 * 82/09/20 reserved areas added in static storage. | |
| 22 * 83/06/07 Added InDriver flag in PD.SMF. rfd | |
| 23 * 83/06/13 Added PE.Req tmp save for PE.Lock rfd | |
| 24 * 83/08/08 reserved PD.SToff for Japanese rfd | |
| 25 * 83/11/19 Added V.ResBit in drive tables. rfd | |
| 26 * 83/12/12 Added PE.Prior to save process priority. rfd | |
| 27 * 83/12/13 Added BufBusy bit in state flag (PD.SMF) rfd | |
| 28 * 84/07/06 Added Bit Definitions for DD.FMT MGH | |
| 29 * 87/06/23 Updated with Dev Desc Info KKD | |
| 30 | |
| 31 ******************************* | |
| 32 * RBF Device Descriptor Offsets | |
| 33 * | |
| 34 org M$DTyp | |
| 35 rmb 1 Device type (IT.DTP) (1=RBF) | |
| 36 IT.DRV rmb 1 Drive number | |
| 37 IT.STP rmb 1 Step rate | |
| 38 IT.TYP rmb 1 Disk device type (5" 8" other) | |
| 39 IT.DNS rmb 1 Density capability | |
| 40 IT.CYL rmb 2 Number of cylinders | |
| 41 IT.SID rmb 1 Number of surfaces | |
| 42 IT.VFY rmb 1 0=verify disk writes | |
| 43 IT.SCT rmb 2 Default sectors/track | |
| 44 IT.T0S rmb 2 Default sectors/track tr00,s0 | |
| 45 IT.ILV rmb 1 Sector interleave offset | |
| 46 IT.SAS rmb 1 Segment allocation size | |
| 47 | |
| 48 ************************************* | |
| 49 * IT.TYP/IT.DNS/IT.STP definitions | |
| 50 * | |
| 51 TYP.5 equ %00000000 5" media | |
| 52 TYP.8 equ %00000001 8" media | |
| 53 TYP.CCF equ %00100000 CoCo format | |
| 54 TYP.NCCF equ %00000000 Non-CoCo format | |
| 55 TYP.SOF equ %00000000 Standard OS-9 format | |
| 56 TYP.NSF equ %01000000 Non-standard format | |
| 57 TYP.FLP equ %00000000 Floppy disk | |
| 58 TYP.HARD equ %10000000 Hard disk | |
| 59 | |
| 60 DNS.FM equ %00000000 Single-density (FM) | |
| 61 DNS.MFM equ %00000001 Double-density (MFM) | |
| 62 DNS.STD equ %00000000 Single track density (48 tpi) | |
| 63 DNS.DTD equ %00000010 Single track density (96 tpi) | |
| 64 | |
| 65 STP.30ms equ 0 30ms step rate | |
| 66 STP.20ms equ 1 20ms step rate | |
| 67 STP.12ms equ 2 12ms step rate | |
| 68 STP.6ms equ 3 6ms step rate | |
| 69 | |
| 70 ************************************* | |
| 71 * Random Block Path Descriptor Format | |
| 72 * | |
| 73 org PD.FST | |
| 74 PD.SMF rmb 1 State flags | |
| 75 PD.CP rmb 4 Current logical byte position | |
| 76 PD.SIZ rmb 4 File size | |
| 77 PD.SBL rmb 3 Segment beginning lsn | |
| 78 PD.SBP rmb 3 Segment beginning psn | |
| 79 PD.SSZ rmb 3 Segment size | |
| 80 PD.DSK rmb 2 Disk id | |
| 81 PD.DTB rmb 2 Drive table ptr | |
| 82 org PD.OPT | |
| 83 rmb 1 Device type | |
| 84 PD.DRV rmb 1 Drive number | |
| 85 PD.STP rmb 1 Step rate | |
| 86 PD.TYP rmb 1 Disk device type (5" 8" other) | |
| 87 PD.DNS rmb 1 Density capability | |
| 88 PD.CYL rmb 2 Number of cylinders | |
| 89 PD.SID rmb 1 Number of surfaces | |
| 90 PD.VFY rmb 1 0=verify disk writes | |
| 91 PD.SCT rmb 2 Default sectors/track | |
| 92 PD.T0S rmb 2 Default sectors/track tr00,s0 | |
| 93 PD.ILV rmb 1 Sector interleave offset | |
| 94 PD.SAS rmb 1 Segment allocation size | |
| 95 PD.TFM rmb 1 DMA Transfer Mode | |
| 96 PD.Exten rmb 2 Path Extension (PE) for record locking | |
| 97 PD.SToff rmb 1 Sector/Track offsets (for "foreign" disk formats) | |
| 98 PD.ATT rmb 1 File attributes | |
| 99 PD.FD rmb 3 File descriptor psn | |
| 100 PD.DFD rmb 3 Directory file descriptor psn | |
| 101 PD.DCP rmb 4 File directory entry ptr | |
| 102 PD.DVT rmb 2 User readable dev tbl ptr | |
| 103 | |
| 104 * State Flags | |
| 105 BUFMOD equ $01 Buffer modified | |
| 106 SINBUF equ $02 Sector in buffer | |
| 107 FDBUF equ $04 File descriptor in buffer | |
| 108 *EOFSEC equ $08 End of file sector | |
| 109 *EOF equ $10 End of file | |
| 110 InDriver equ $20 Currently in Disk Driver, or queued | |
| 111 BufBusy equ $40 Buffer is currently busy | |
| 112 | |
| 113 ifne Level-1 | |
| 114 ************************************ | |
| 115 * Random Block Path Extension Format | |
| 116 * | |
| 117 org 0 | |
| 118 PE.PE rmb 1 PE path number | |
| 119 PE.PDptr rmb 2 back ptr to this PE's Path Descriptor | |
| 120 PE.NxFil rmb 2 Drive Open-File list ptr | |
| 121 PE.Confl rmb 2 circular File Conflict list | |
| 122 PE.Lock rmb 1 Path lockout status | |
| 123 PE.LoLck rmb 4 Low Locked Logical addr | |
| 124 PE.HiLck rmb 4 High Locked Logical addr | |
| 125 PE.Wait rmb 2 PE ptr to (next) locked-out PE | |
| 126 PE.TmOut rmb 2 Max ticks to wait for locked segment | |
| 127 PE.Owner rmb 1 Process ID of owner of locked segment | |
| 128 PE.Req rmb 1 temp for PE.Lock in GAIN when LockSeg fails | |
| 129 PE.Prior rmb 1 tmp for process priority while in driver | |
| 71 | 130 PE.SigSg rmb 1 signal code to send |
| 131 PE.SigID rmb 1 process ID to send the signal to | |
| 0 | 132 rmb 32-. reserved |
| 133 PE.FilNm rmb 32 temp for filename during directory search | |
| 134 | |
| 135 * PE.Lock status codes | |
| 136 Unlocked equ 0 no portion of file is locked | |
| 137 RcdLock equ 1 record from LoLck to HiLck locked | |
| 138 FileLock equ 2 entire file locked | |
| 139 EofLock equ 4 End of file is locked | |
| 140 endc | |
| 141 | |
| 142 *********************** | |
| 143 * LSN0 Disk Data Format | |
| 144 * | |
| 145 org 0 | |
| 146 DD.TOT rmb 3 Total number of sectors | |
| 147 DD.TKS rmb 1 Track size in sectors | |
| 148 DD.MAP rmb 2 Number of bytes in allocation bit map | |
| 149 DD.BIT rmb 2 Number of sectors/bit | |
| 150 DD.DIR rmb 3 Address of root directory fd | |
| 151 DD.OWN rmb 2 Owner | |
| 152 DD.ATT rmb 1 Attributes | |
| 153 DD.DSK rmb 2 Disk id | |
| 154 DD.FMT rmb 1 Disk format; density/sides | |
| 155 DD.SPT rmb 2 Sectors/track | |
| 156 DD.RES rmb 2 Reserved for future use | |
| 157 DD.SIZ equ . Device descriptor minimum size | |
| 158 DD.BT rmb 3 System bootstrap sector | |
| 159 DD.BSZ rmb 2 Size of system bootstrap | |
| 160 DD.DAT rmb 5 Creation date | |
| 161 DD.NAM rmb 32 Volume name | |
| 162 DD.OPT rmb 32 option area | |
| 163 | |
| 164 * DD.FMT Bit Definitions | |
| 165 FMT.SIDE equ %00000001 Single Side=0, Double Side=1 | |
| 166 FMT.DNS equ %00000010 Single DNS=0, Double DNS=1 | |
| 167 FMT.TDNS equ %00000100 48tpi=0, 96tpi=1 | |
| 168 FMT.T0DN equ %00100000 Track 0 DNS, see FMT.DNS | |
| 169 | |
| 170 ************************ | |
| 171 * File Descriptor Format | |
| 172 * | |
| 173 org 0 | |
| 174 FD.ATT rmb 1 Attributes | |
| 175 FD.OWN rmb 2 Owner | |
| 176 FD.DAT rmb 5 Date last modified | |
| 177 FD.LNK rmb 1 Link count | |
| 178 FD.SIZ rmb 4 File size | |
| 179 FD.Creat rmb 3 Segment list extension | |
| 180 FD.SEG equ . Beginning of segment list | |
| 181 * Segment List Entry Format | |
| 182 org 0 | |
| 183 FDSL.A rmb 3 Segment beginning physical sector number | |
| 184 FDSL.B rmb 2 Segment size | |
| 185 FDSL.S equ . Segment list entry size | |
| 186 FD.LS1 equ FD.SEG+((256-FD.SEG)/FDSL.S-1)*FDSL.S | |
| 187 FD.LS2 equ (256/FDSL.S-1)*FDSL.S | |
| 188 MINSEC set 16 | |
| 189 | |
| 190 ************************ | |
| 191 * Directory Entry Format | |
| 192 * | |
| 193 org 0 | |
| 194 DIR.NM rmb 29 File name | |
| 195 DIR.FD rmb 3 File descriptor physical sector number | |
| 196 DIR.SZ equ . Directory record size | |
| 197 | |
| 198 **************** | |
| 199 * Static Storage | |
| 200 * | |
| 201 * Overall Disk Static Storage | |
| 202 * | |
| 203 * Note: This does not reserve any memory for drive tables. Each Driver is | |
| 204 * responsible for reserving sufficient memory for the appropriate | |
| 205 * number of tables. | |
| 206 * | |
| 207 org V.USER Reserve required ($06) | |
| 208 V.NDRV rmb 1 Number of drives ($07) | |
| 209 rmb 8 reserved ($08) | |
| 210 DRVBEG equ . Beginning of drive tables ($10) | |
| 211 * | |
| 212 * Global Storage For Disk Drive Tables | |
| 213 * Each Table Contains The First 'DD.Siz' Bytes | |
| 214 * From Sector 0, And The Current Track, Stepping Rate, | |
| 215 * Bit-Map Use Flag, And Disk Type | |
| 216 * | |
| 217 org 0 | |
| 218 rmb DD.SIZ Device descriptor, sector 0 | |
| 219 V.TRAK rmb 2 Current track | |
| 220 V.BMB rmb 1 Bit-map use flag | |
| 221 V.FileHd rmb 2 open file list for this drive | |
| 222 V.DiskID rmb 2 Disk ID | |
| 223 V.BMapSz rmb 1 Bitmap Size | |
| 224 V.MapSct rmb 1 lowest reasonable bitmap sector | |
| 225 V.ResBit rmb 1 reserved bitmap sector (for compaction) | |
| 226 V.ScTkOf rmb 1 Sector/Track byte (Combined from descriptor) | |
| 227 V.ScOfst rmb 1 Sector offset split from byte above | |
| 228 V.TkOfst rmb 1 Track offset split from byte above | |
| 229 rmb 4 reserved | |
| 230 DRVMEM equ . | |
| 231 | |
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232 endc |
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