/****************************************************************
* Commodore-Amiga, Inc.
* adkbits.h -- bit definitions for adkcon register
*
* $Header: adkbits.h,v 27.1 85/06/24 14:42:34 neil Exp $
*
* $Locker:  $
*
*****************************************************************/

#ifndef HARDWARE_ADKBITS_H
#define HARDWARE_ADKBITS_H

#define  ADKB_SETCLR    15 /* standard set/clear bit */
#define  ADKB_PRECOMP1  14 /* two bits of precompensation */
#define  ADKB_PRECOMP0  13
#define  ADKB_MFMPREC   12 /* use mfm style precompensation */
#define  ADKB_UARTBRK   11 /* force uart output to zero */
#define  ADKB_WORDSYNC  10 /* enable DSKSYNC register matching */
#define  ADKB_MSBSYNC   9  /* (Apple GCR Only) sync on MSB for reading */
#define  ADKB_FAST      8  /* 1 -> 2 us/bit (mfm), 2 -> 4 us/bit (gcr) */
#define  ADKB_USE3PN    7  /* use aud chan 3 to modulate period of ?? */
#define  ADKB_USE2P3    6  /* use aud chan 2 to modulate period of 3 */
#define  ADKB_USE1P2    5  /* use aud chan 1 to modulate period of 2 */
#define  ADKB_USE0P1    4  /* use aud chan 0 to modulate period of 1 */
#define  ADKB_USE3VN    3  /* use aud chan 3 to modulate volume of ?? */
#define  ADKB_USE2V3    2  /* use aud chan 2 to modulate volume of 3 */
#define  ADKB_USE1V2    1  /* use aud chan 1 to modulate volume of 2 */
#define  ADKB_USE0V1    0  /* use aud chan 0 to modulate volume of 1 */

#define  ADKF_SETCLR    (1L<<15)
#define  ADKF_PRECOMP1  (1<<14)
#define  ADKF_PRECOMP0  (1<<13)
#define  ADKF_MFMPREC   (1<<12)
#define  ADKF_UARTBRK   (1<<11)
#define  ADKF_WORDSYNC  (1<<10)
#define  ADKF_MSBSYNC   (1<<9)
#define  ADKF_FAST      (1<<8)
#define  ADKF_USE3PN    (1<<7)
#define  ADKF_USE2P3    (1<<6)
#define  ADKF_USE1P2    (1<<5)
#define  ADKF_USE0P1    (1<<4)
#define  ADKF_USE3VN    (1<<3)
#define  ADKF_USE2V3    (1<<2)
#define  ADKF_USE1V2    (1<<1)
#define  ADKF_USE0V1    (1<<0)

#define ADKF_PRE000NS   0                       /* 000 ns of precomp */
#define ADKF_PRE140NS   (ADKF_PRECOMP0)         /* 140 ns of precomp */
#define ADKF_PRE280NS   (ADKF_PRECOMP1)         /* 280 ns of precomp */
#define ADKF_PRE560NS   (ADKF_PRECOMP0|ADKF_PRECOMP1) /* 560 ns of precomp */

#endif !HARDWARE_ADKBITS_H