#define CSTART 0x400L
#define CMAX 0x800L
#define ISTART 0x800L
#define IMAX 0xC00L
#define CIN 0xD10L
#define GLOBAL 0xD10L
#define EIN 0xD18L
#define FEPSTAT 0xD20L
#define CHANSTRUCT 0x1000L
#define RXTXBUF 0x4000L
struct global_data
{
u16 cin;
u16 cout;
u16 cstart;
u16 cmax;
u16 ein;
u16 eout;
u16 istart;
u16 imax;
};
struct board_chan
u32 filler1;
u32 filler2;
u16 tseg;
u16 tin;
u16 tout;
u16 tmax;
u16 rseg;
u16 rin;
u16 rout;
u16 rmax;
u16 tlow;
u16 rlow;
u16 rhigh;
u16 incr;
u16 etime;
u16 edelay;
unchar *dev;
u16 iflag;
u16 oflag;
u16 cflag;
u16 gmask;
u16 col;
u16 delay;
u16 imask;
u16 tflush;
u32 filler3;
u32 filler4;
u32 filler5;
u32 filler6;
u8 num;
u8 ract;
u8 bstat;
u8 tbusy;
u8 iempty;
u8 ilow;
u8 idata;
u8 eflag;
u8 tflag;
u8 rflag;
u8 xmask;
u8 xval;
u8 mstat;
u8 mchange;
u8 mint;
u8 lstat;
u8 mtran;
u8 orun;
u8 startca;
u8 stopca;
u8 startc;
u8 stopc;
u8 vnext;
u8 hflow;
u8 fillc;
u8 ochar;
u8 omask;
u8 filler7;
u8 filler8[28];
#define SRXLWATER 0xE0
#define SRXHWATER 0xE1
#define STOUT 0xE2
#define PAUSETX 0xE3
#define RESUMETX 0xE4
#define SAUXONOFFC 0xE6
#define SENDBREAK 0xE8
#define SETMODEM 0xE9
#define SETIFLAGS 0xEA
#define SONOFFC 0xEB
#define STXLWATER 0xEC
#define PAUSERX 0xEE
#define RESUMERX 0xEF
#define SETBUFFER 0xF2
#define SETCOOKED 0xF3
#define SETHFLOW 0xF4
#define SETCTRLFLAGS 0xF5
#define SETVNEXT 0xF6
#define BREAK_IND 0x01
#define LOWTX_IND 0x02
#define EMPTYTX_IND 0x04
#define DATA_IND 0x08
#define MODEMCHG_IND 0x20
#define FEP_HUPCL 0002000
#if 0
#define RTS 0x02
#define CD 0x08
#define DSR 0x10
#define CTS 0x20
#define RI 0x40
#define DTR 0x80
#endif