/* The 10-11 interface */

typedef struct Ten11 Ten11;

struct Ten11

{

int cycle;

int fd;

};

/* Some of these numbers are also hardcoded! */

enum {

NUMFBUFFERS = 16,

NUMCONNECTIONS = 32,

NUMOUTPUTS = 32,

NUMINPUTS = 16,

NUMSECTIONS = 2,

};

/* Mask to get buffer number from CREG. */

#define BUFMASK 037

/* A remote TV connection */

typedef struct TVcon TVcon;

struct TVcon

{

int fd;

int dpy; /* output number */

int kbd;

};

typedef struct FBuffer FBuffer;

struct FBuffer

{

word fb[16*1024 - 1];

word csa;

word mask; /* 0 or ~0 for bw flip */

/* list of all outputs that are driven

* by this buffer. */

int osw[NUMOUTPUTS];

int nosw;

};

/* The whole TV system */

typedef struct TV TV;

struct TV

{

/* need this to tell 11 from 10 cycles */

Ten11 *ten11;

FBuffer buffers[NUMFBUFFERS]; /* 256 is the theoretical maximum */

/* two different variables for 10 and 11 */

word creg11;

word creg10;

/* Two sections.

* Each has 32 outputs that can have one of 16 inputs.

* Input 0 is null on both,

* that leaves 30 different actual inputs in total. */

uint8 vswsect[NUMSECTIONS][NUMOUTPUTS];

word kms;

uint32 kma_hi;

uint32 kma_lo;

int km_haskey;

word km_kbd;

word km_key;

TVcon cons[NUMCONNECTIONS];

int omap[NUMOUTPUTS]; /* map of outputs to connections */

};

void inittv(TV *tv);

void closetv(TV *tv);

int dato_tv(Bus *bus, void *dev);

int datob_tv(Bus *bus, void *dev);

int dati_tv(Bus *bus, void *dev);

int svc_tv(Bus *bus, void *dev);

int bg_tv(void *dev);

void reset_tv(void *dev);

void handletvs(TV *tv);

void accepttv(int fd, void *arg);

void servetv(TV *tv, int port);