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date and time created 82/07/15 20:36:14 by root
[unix-history]
/
usr
/
src
/
sys
/
vax
/
uba
/
adreg.h
/* adreg.h 4.1 82/06/26 */
struct
addevice
{
short int
ad_csr
;
/* Control status register */
short int
ad_data
;
/* Data buffer */
};
#define AD_CHAN ((
'a'
<<8)|0)
#define AD_READ ((
'a'
<<8)|1)
/*
* Unibus CSR register bits
*/
#define AD_START 01
#define AD_SCHMITT 020
#define AD_CLOCK 040
#define AD_IENABLE 0100
#define AD_DONE 0200
#define AD_INCENABLE 040000
#define AD_ERROR 0100000