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- #ifndef HARDWARE_ADKBITS_H
- #define HARDWARE_ADKBITS_H
- /*
- ** $Filename: hardware/adkbits.h $
- ** $Release: 2.04 Includes, V37.4 $
- ** $Revision: 36.2 $
- ** $Date: 90/07/10 $
- **
- ** bit definitions for adkcon register
- **
- ** (C) Copyright 1985-1991 Commodore-Amiga, Inc.
- ** All Rights Reserved
- */
-
- #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 (1<<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 */
-