kegs/src/scc.h

107 lines
2.2 KiB
C

/************************************************************************/
/* KEGS: Apple //gs Emulator */
/* Copyright 2002 by Kent Dickey */
/* */
/* This code is covered by the GNU GPL */
/* */
/* The KEGS web page is kegs.sourceforge.net */
/* You may contact the author at: kadickey@alumni.princeton.edu */
/************************************************************************/
#ifdef INCLUDE_RCSID_C
const char rcsid_scc_h[] = "@(#)$KmKId: scc.h,v 1.17 2004-12-03 14:03:12-05 kentd Exp $";
#endif
#include <ctype.h>
#ifdef _WIN32
# include <winsock2.h>
#else
# include <sys/socket.h>
# include <netinet/in.h>
# include <netdb.h>
#endif
#if defined(HPUX) || defined(__linux__) || defined(SOLARIS) || defined(MAC) || defined(__MACH__) || defined(_WIN32)
# define SCC_SOCKETS
#endif
/* my scc port 0 == channel A, port 1 = channel B */
#define SCC_INBUF_SIZE 512 /* must be a power of 2 */
#define SCC_OUTBUF_SIZE 512 /* must be a power of 2 */
#define SCC_MODEM_MAX_CMD_STR 128
#ifndef SOCKET
# define SOCKET word32 /* for non-windows */
#endif
STRUCT(Scc) {
int port;
int state;
int accfd;
SOCKET sockfd;
int socket_state;
int rdwrfd;
void *host_handle;
void *host_handle2;
int host_aux1;
int read_called_this_vbl;
int write_called_this_vbl;
int mode;
int reg_ptr;
int reg[16];
int rx_queue_depth;
byte rx_queue[4];
int in_rdptr;
int in_wrptr;
byte in_buf[SCC_INBUF_SIZE];
int out_rdptr;
int out_wrptr;
byte out_buf[SCC_OUTBUF_SIZE];
int br_is_zero;
int tx_buf_empty;
int wantint_rx;
int wantint_tx;
int wantint_zerocnt;
int dcd;
double br_dcycs;
double tx_dcycs;
double rx_dcycs;
int br_event_pending;
int rx_event_pending;
int tx_event_pending;
int char_size;
int baud_rate;
double out_char_dcycs;
int socket_num_rings;
int socket_last_ring_dcycs;
word32 modem_mode;
int modem_dial_or_acc_mode;
int modem_plus_mode;
int modem_s0_val;
int telnet_mode;
int telnet_iac;
word32 telnet_local_mode[2];
word32 telnet_remote_mode[2];
word32 telnet_reqwill_mode[2];
word32 telnet_reqdo_mode[2];
int modem_cmd_len;
byte modem_cmd_str[SCC_MODEM_MAX_CMD_STR + 5];
};
#define SCCMODEM_NOECHO 0x0001
#define SCCMODEM_NOVERBOSE 0x0002