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#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

{

        volatile ushort cin;

        volatile ushort cout;

        volatile ushort cstart;

        volatile ushort cmax;

        volatile ushort ein;

        volatile ushort eout;

        volatile ushort istart;

        volatile ushort imax;

};

struct board_chan

{

        int filler1;

        int filler2;

        volatile ushort tseg;

        volatile ushort tin;

        volatile ushort tout;

        volatile ushort tmax;

        volatile ushort rseg;

        volatile ushort rin;

        volatile ushort rout;

        volatile ushort rmax;

        volatile ushort tlow;

        volatile ushort rlow;

        volatile ushort rhigh;

        volatile ushort incr;

        volatile ushort etime;

        volatile ushort edelay;

        volatile unchar *dev;

        volatile ushort iflag;

        volatile ushort oflag;

        volatile ushort cflag;

        volatile ushort gmask;

        volatile ushort col;

        volatile ushort delay;

        volatile ushort imask;

        volatile ushort tflush;

        int filler3;

        int filler4;

        int filler5;

        int filler6;

        volatile unchar num;

        volatile unchar ract;

        volatile unchar bstat;

        volatile unchar tbusy;

        volatile unchar iempty;

        volatile unchar ilow;

        volatile unchar idata;

        volatile unchar eflag;

        volatile unchar tflag;

        volatile unchar rflag;

        volatile unchar xmask;

        volatile unchar xval;

        volatile unchar mstat;

        volatile unchar mchange;

        volatile unchar mint;

        volatile unchar lstat;

        volatile unchar mtran;

        volatile unchar orun;

        volatile unchar startca;

        volatile unchar stopca;

        volatile unchar startc;

        volatile unchar stopc;

        volatile unchar vnext;

        volatile unchar hflow;

        volatile unchar fillc;

        volatile unchar ochar;

        volatile unchar omask;

        unchar filler7;

        unchar 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