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Oops, forgot to commit one file in the fd driver mega update. Here it

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is, some more constants for NE765 & Co.

Pointed out by: silby, Dave Cornejo <dave@dogwood.com>
This commit is contained in:
Joerg Wunsch 2001-12-16 07:52:13 +00:00
parent 0ec7e3efa9
commit 94896f7b05
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=88010
1 changed files with 22 additions and 17 deletions
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39
sys/dev/ic/nec765.h
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@ -98,28 +98,33 @@
/*
* the top three bits -- where appropriate -- are set as follows:
*
* 0x80 - MT multi-track; allow both sides to be handled in single cmd
* 0x40 - MFM modified frequency modulation; use MFM encoding
* 0x20 - SK skip; skip sectors marked as "deleted"
* MT - multi-track; allow both sides to be handled in single cmd
* MFM - modified frequency modulation; use MFM encoding
* SK - skip; skip sectors marked as "deleted"
*/
#define NE7CMD_READTRK 0x42 /* read whole track */
#define NE7CMD_MT 0x80 /* READ, WRITE, WRITEDEL, READDEL, SCAN* */
#define NE7CMD_MFM 0x40 /* same as MT, plus READTRK, READID, FORMAT */
#define NE7CMD_SK 0x20 /* READ, READDEL, SCAN* */
#define NE7CMD_READTRK 2 /* read whole track */
#define NE7CMD_SPECIFY 3 /* specify drive parameters - requires unit
parameters byte */
* parameters byte */
#define NE7CMD_SENSED 4 /* sense drive - requires unit select byte */
#define NE7CMD_WRITE 0xc5 /* write - requires eight additional bytes */
#define NE7CMD_READ 0xe6 /* read - requires eight additional bytes */
#define NE7CMD_WRITE 5 /* write - requires eight additional bytes */
#define NE7CMD_READ 6 /* read - requires eight additional bytes */
#define NE7CMD_RECAL 7 /* recalibrate drive - requires
unit select byte */
* unit select byte */
#define NE7CMD_SENSEI 8 /* sense controller interrupt status */
#define NE7CMD_WRITEDEL 0xc9 /* write deleted data */
#define NE7CMD_READID 0x4a /* read ID field */
#define NE7CMD_READDEL 0xec /* read deleted data */
#define NE7CMD_FORMAT 0x4d /* format - requires five additional bytes */
#define NE7CMD_SEEK 0x0f /* seek drive - requires unit select byte
and new cyl byte */
#define NE7CMD_SCNEQU 0xf1 /* scan equal */
#define NE7CMD_SCNLE 0xf9 /* scan less or equal */
#define NE7CMD_SCNGE 0xfd /* scan greater or equal */
#define NE7CMD_WRITEDEL 9 /* write deleted data */
#define NE7CMD_READID 0xa /* read ID field */
#define NE7CMD_READDEL 0xc /* read deleted data */
#define NE7CMD_FORMAT 0xd /* format - requires five additional bytes */
#define NE7CMD_SEEK 0xf /* seek drive - requires unit select byte
* and new cyl byte */
#define NE7CMD_SCNEQU 0x11 /* scan equal */
#define NE7CMD_SCNLE 0x19 /* scan less or equal */
#define NE7CMD_SCNGE 0x1d /* scan greater or equal */
/*
* Enhanced controller commands: