1 /* 2 * Copyright (c) 1982, 1986 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)flp.h 7.1 (Berkeley) 06/05/86 7 */ 8 9 #if VAX780 10 /* 11 * Console floppy command/status and sectoring information. 12 */ 13 #define FL_FFC 0x200 /* floppy function complete */ 14 #define FL_ERR 0x80 /* error bit in floppy status byte */ 15 #define FL_PERR 0x905 /* floppy protocol error */ 16 #define FL_DATA 0x100 /* floppy data select code */ 17 #define FL_RS 0x900 /* floppy read sector command */ 18 #define FL_WS 0x901 /* floppy write sector command*/ 19 #define FL_STAT 0x902 /* floppy get status command*/ 20 #define FL_CANCEL 0x904 /* cancel floppy function */ 21 22 #define RXFTRK 77 /* tracks/floppy */ 23 #define RXSTRK 26 /* sectors/track */ 24 #define RXBYSEC 128 /* bytes/sector */ 25 #define MAXSEC (RXFTRK*RXSTRK) /* sectors/floppy */ 26 27 /* 28 * In the floppy driver routines, the device active byte is used 29 * not as a boolean, but as an indicator of the state we are in. 30 * That is, it contains what to do on the next interrupt. 31 */ 32 33 #define FL_IDLE 0 /* floppy idle */ 34 #define FL_MAND 1 /* about to send read/write command */ 35 #define FL_SEC 2 /* about to send sector # to LSI */ 36 #define FL_TRACK 3 /* about to send track # to LSI */ 37 #define FL_DAX 4 /* transmitting data */ 38 #define FL_DAR 5 /* receiving data */ 39 #define FL_COM 6 /* completing transmission */ 40 #define FL_CAN 7 /* give cancel order - we had an error, 41 and are to restart */ 42 43 #define FLERRS 5 /* number of retries before quitting */ 44 45 /* 46 * The state byte is used to retain exclusivity, 47 * and contains the busy flag. 48 */ 49 #define FL_OPEN 1 50 #define FL_BUSY 2 51 #endif 52