mirror of https://github.com/aufflick/kegs.git
79 lines
1.6 KiB
C
79 lines
1.6 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 1.12 2003-11-21 00:27:00-05 kentd Exp $";
|
|
#endif
|
|
|
|
#ifdef _WIN32
|
|
# include <winsock.h>
|
|
#else
|
|
# include <sys/socket.h>
|
|
# include <netinet/in.h>
|
|
#endif
|
|
|
|
#if defined(HPUX) || defined(__linux__) || defined(SOLARIS) || defined(MAC) || defined(__MACH__)
|
|
# define SCC_SOCKETS
|
|
#endif
|
|
|
|
|
|
/* my scc port 0 == channel A, port 1 = channel B */
|
|
|
|
#define SCC_INBUF_SIZE 4096 /* must be a power of 2 */
|
|
#define SCC_OUTBUF_SIZE 4096 /* must be a power of 2 */
|
|
|
|
STRUCT(Scc) {
|
|
int port;
|
|
int state;
|
|
int accfd;
|
|
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 int_pending_rx;
|
|
int int_pending_tx;
|
|
int int_pending_zerocnt;
|
|
|
|
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;
|
|
};
|
|
|