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| Commit | Line | Data |
|---|---|---|
| 6bafdb92 C |
1 | /* flp.h 4.4 81/02/25 */ |
| 2 | ||
| 3 | #if VAX780 | |
| 4 | /* | |
| 5 | * Console floppy command/status and sectoring information. | |
| 6 | */ | |
| 7 | #define FL_FFC 0x200 /* floppy function complete */ | |
| 8 | #define FL_ERR 0x80 /* error bit in floppy status byte */ | |
| 9 | #define FL_PERR 0x905 /* floppy protocol error */ | |
| 10 | #define FL_DATA 0x100 /* floppy data select code */ | |
| 11 | #define FL_RS 0x900 /* floppy read sector command */ | |
| 12 | #define FL_WS 0x901 /* floppy write sector command*/ | |
| 13 | #define FL_STAT 0x902 /* floppy get status command*/ | |
| 14 | #define FL_CANCEL 0x904 /* cancel floppy function */ | |
| 15 | ||
| 16 | #define RXFTRK 77 /* tracks/floppy */ | |
| 17 | #define RXSTRK 26 /* sectors/track */ | |
| 18 | #define RXBYSEC 128 /* bytes/sector */ | |
| 19 | #define MAXSEC (RXFTRK*RXSTRK) /* sectors/floppy */ | |
| 20 | ||
| 21 | /* | |
| 22 | * In the floppy driver routines, the device active byte is used | |
| 23 | * not as a boolean, but as an indicator of the state we are in. | |
| 24 | * That is, it contains what to do on the next interrupt. | |
| 25 | */ | |
| 26 | ||
| 27 | #define FL_IDLE 0 /* floppy idle */ | |
| 28 | #define FL_MAND 1 /* about to send read/write command */ | |
| 29 | #define FL_SEC 2 /* about to send sector # to LSI */ | |
| 30 | #define FL_TRACK 3 /* about to send track # to LSI */ | |
| 31 | #define FL_DAX 4 /* transmitting data */ | |
| 32 | #define FL_DAR 5 /* receiving data */ | |
| 33 | #define FL_COM 6 /* completing transmission */ | |
| 34 | #define FL_CAN 7 /* give cancel order - we had an error, | |
| 35 | and are to restart */ | |
| 36 | ||
| 37 | #define FLERRS 5 /* number of retries before quitting */ | |
| 38 | ||
| 39 | /* | |
| 40 | * The state byte is used to retain exclusivity, | |
| 41 | * and contains the busy flag. | |
| 42 | */ | |
| 43 | #define FL_OPEN 1 | |
| 44 | #define FL_BUSY 2 | |
| 45 | #endif |