usr/src/sys/h/cons.h

/*      cons.h  4.2     11/9/80 */

/*
 * VAX console interface registers
 */

#define RXCS_IE         0x40            /* receiver interrupt enable */
#define RXCS_DONE       0x80            /* receiver done */
#define RXDB_DATA       0xff            /* received character */
#define RXDB_ID         0xf00           /* channel id */
#define RXDB_ERR        0x80000000      /* receiver error */

#define TXCS_IE         0x40            /* transmitter interrupt enable */
#define TXCS_RDY        0x80            /* transmitter ready for next char */
#define TXDB_DATA       0xff            /* transmitter byte */
#define TXDB_ID         0xf00           /* channel id */
#define TXDB_WSI        0xf02           /* set warm start inhibit */
#define TXDB_CWSI       0xf03           /* clear warm start inhibit */
#define TXDB_BOOT       0xf04           /* enable boot */