V10/lsys/sys/vplotcmd.h
#define VGETSTATE (('v'<<8)|0)
#define VSETSTATE (('v'<<8)|1)
#define VC_ERROR 0100000
#define VC_UNUSED1 0040000
#define VC_SPP 0020000
#define VC_BTCNT 0010000
#define VC_ADDR 0004000
#define VC_PP 0002000
#define VC_SWPBT 0001000
#define VC_UNUSED2 0000400
#define VC_READY 0000200
#define VC_IENABLE 0000100
#define VC_AD17 0000040
#define VC_AD16 0000020
#define VC_REMOTE 0000016
#define VC_REMOTE2 0000010
#define VC_REMOTE1 0000004
#define VC_REMOTE0 0000002
#define VC_DMAGO 0000001
#define VC_MASK (VC_SPP | VC_PP | VC_SWPBT | VC_REMOTE)
/* sc_state bits (other than bits defined above) */
#define VCSC_CMNDS VC_REMOTE
#define VCSC_OPEN VC_UNUSED1
/* remote functions */
#define VC_RLTER (01 << 1)
#define VC_CLEAR (02 << 1)
#define VC_RESET (03 << 1)
#define VC_RFFED (04 << 1)
#define VC_REOTR (05 << 1)
#define VC_RESET_ALL (06 << 1)