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snes9x/unix/unix.cpp
Brandon Wright 1d57e214b3 GTK/Unix: Consistent default playback rate.
2019-02-15 13:06:25 -06:00

1833 lines
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/*****************************************************************************\
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
This file is licensed under the Snes9x License.
For further information, consult the LICENSE file in the root directory.
\*****************************************************************************/
#include <stdlib.h>
#include <unistd.h>
#include <ctype.h>
#include <fcntl.h>
#include <dirent.h>
#include <signal.h>
#include <errno.h>
#include <string.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#ifdef USE_THREADS
#include <sched.h>
#include <pthread.h>
#endif
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#ifndef NOSOUND
#include <sys/soundcard.h>
#include <sys/mman.h>
#endif
#ifdef JOYSTICK_SUPPORT
#include <linux/joystick.h>
#endif
#include "snes9x.h"
#include "memmap.h"
#include "apu/apu.h"
#include "gfx.h"
#include "snapshot.h"
#include "controls.h"
#include "cheats.h"
#include "movie.h"
#include "logger.h"
#include "display.h"
#include "conffile.h"
#ifdef NETPLAY_SUPPORT
#include "netplay.h"
#endif
#ifdef DEBUGGER
#include "debug.h"
#endif
#include "statemanager.h"
#ifdef NETPLAY_SUPPORT
#ifdef _DEBUG
#define NP_DEBUG 2
#endif
#endif
typedef std::pair<std::string, std::string> strpair_t;
ConfigFile::secvec_t keymaps;
StateManager stateMan;
#define FIXED_POINT 0x10000
#define FIXED_POINT_SHIFT 16
#define FIXED_POINT_REMAINDER 0xffff
#define SOUND_BUFFER_SIZE (1024 * 16)
#define SOUND_BUFFER_SIZE_MASK (SOUND_BUFFER_SIZE - 1)
static volatile bool8 block_signal = FALSE;
static volatile bool8 block_generate_sound = FALSE;
static const char *sound_device = NULL;
static const char *s9x_base_dir = NULL,
*rom_filename = NULL,
*snapshot_filename = NULL,
*play_smv_filename = NULL,
*record_smv_filename = NULL;
static char default_dir[PATH_MAX + 1];
static const char dirNames[13][32] =
{
"", // DEFAULT_DIR
"", // HOME_DIR
"", // ROMFILENAME_DIR
"rom", // ROM_DIR
"sram", // SRAM_DIR
"savestate", // SNAPSHOT_DIR
"screenshot", // SCREENSHOT_DIR
"spc", // SPC_DIR
"cheat", // CHEAT_DIR
"patch", // PATCH_DIR
"bios", // BIOS_DIR
"log", // LOG_DIR
""
};
struct SUnixSettings
{
bool8 JoystickEnabled;
bool8 ThreadSound;
uint32 SoundBufferSize;
uint32 SoundFragmentSize;
uint32 rewindBufferSize;
uint32 rewindGranularity;
};
struct SoundStatus
{
int sound_fd;
uint32 fragment_size;
uint32 err_counter;
uint32 err_rate;
int32 samples_mixed_so_far;
int32 play_position;
};
static int frame_advance = 0;
static SUnixSettings unixSettings;
static SoundStatus so;
static bool8 rewinding;
#ifndef NOSOUND
static uint8 Buf[SOUND_BUFFER_SIZE];
#endif
#ifdef USE_THREADS
static pthread_t thread;
static pthread_mutex_t mutex;
#endif
#ifdef JOYSTICK_SUPPORT
static uint8 js_mod[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
static int js_fd[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
static const char *js_device[8] = { "/dev/js0", "/dev/js1", "/dev/js2", "/dev/js3", "/dev/js4", "/dev/js5", "/dev/js6", "/dev/js7" };
static bool8 js_unplugged[8] = { FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE };
#endif
#ifdef NETPLAY_SUPPORT
static uint32 joypads[8];
static uint32 old_joypads[8];
#endif
bool8 S9xMapDisplayInput (const char *, s9xcommand_t *);
s9xcommand_t S9xGetDisplayCommandT (const char *);
char * S9xGetDisplayCommandName (s9xcommand_t);
void S9xHandleDisplayCommand (s9xcommand_t, int16, int16);
bool S9xDisplayPollButton (uint32, bool *);
bool S9xDisplayPollAxis (uint32, int16 *);
bool S9xDisplayPollPointer (uint32, int16 *, int16 *);
static long log2 (long);
static void SoundTrigger (void);
static void InitTimer (void);
static void NSRTControllerSetup (void);
static int make_snes9x_dirs (void);
#ifndef NOSOUND
static void * S9xProcessSound (void *);
#endif
#ifdef JOYSTICK_SUPPORT
static void InitJoysticks (void);
static void ReadJoysticks (void);
#endif
void _splitpath (const char *path, char *drive, char *dir, char *fname, char *ext)
{
*drive = 0;
const char *slash = strrchr(path, SLASH_CHAR),
*dot = strrchr(path, '.');
if (dot && slash && dot < slash)
dot = NULL;
if (!slash)
{
*dir = 0;
strcpy(fname, path);
if (dot)
{
fname[dot - path] = 0;
strcpy(ext, dot + 1);
}
else
*ext = 0;
}
else
{
strcpy(dir, path);
dir[slash - path] = 0;
strcpy(fname, slash + 1);
if (dot)
{
fname[dot - slash - 1] = 0;
strcpy(ext, dot + 1);
}
else
*ext = 0;
}
}
void _makepath (char *path, const char *, const char *dir, const char *fname, const char *ext)
{
if (dir && *dir)
{
strcpy(path, dir);
strcat(path, SLASH_STR);
}
else
*path = 0;
strcat(path, fname);
if (ext && *ext)
{
strcat(path, ".");
strcat(path, ext);
}
}
static long log2 (long num)
{
long n = 0;
while (num >>= 1)
n++;
return (n);
}
void S9xExtraUsage (void)
{
/* 12345678901234567890123456789012345678901234567890123456789012345678901234567890 */
S9xMessage(S9X_INFO, S9X_USAGE, "-multi Enable multi cartridge system");
S9xMessage(S9X_INFO, S9X_USAGE, "-carta <filename> ROM in slot A (use with -multi)");
S9xMessage(S9X_INFO, S9X_USAGE, "-cartb <filename> ROM in slot B (use with -multi)");
S9xMessage(S9X_INFO, S9X_USAGE, "");
#ifdef JOYSTICK_SUPPORT
S9xMessage(S9X_INFO, S9X_USAGE, "-nogamepad Disable gamepad reading");
S9xMessage(S9X_INFO, S9X_USAGE, "-paddev1 <string> Specify gamepad device 1");
S9xMessage(S9X_INFO, S9X_USAGE, "-paddev1 <string> Specify gamepad device 2");
S9xMessage(S9X_INFO, S9X_USAGE, "-paddev1 <string> Specify gamepad device 3");
S9xMessage(S9X_INFO, S9X_USAGE, "-paddev1 <string> Specify gamepad device 4");
S9xMessage(S9X_INFO, S9X_USAGE, "");
#endif
#ifdef USE_THREADS
S9xMessage(S9X_INFO, S9X_USAGE, "-threadsound Use a separate thread to output sound");
#endif
S9xMessage(S9X_INFO, S9X_USAGE, "-buffersize Sound generating buffer size in millisecond");
S9xMessage(S9X_INFO, S9X_USAGE, "-fragmentsize Sound playback buffer fragment size in bytes");
S9xMessage(S9X_INFO, S9X_USAGE, "-sounddev <string> Specify sound device");
S9xMessage(S9X_INFO, S9X_USAGE, "");
S9xMessage(S9X_INFO, S9X_USAGE, "-loadsnapshot Load snapshot file at start");
S9xMessage(S9X_INFO, S9X_USAGE, "-playmovie <filename> Start emulator playing the .smv file");
S9xMessage(S9X_INFO, S9X_USAGE, "-recordmovie <filename> Start emulator recording the .smv file");
S9xMessage(S9X_INFO, S9X_USAGE, "-dumpstreams Save audio/video data to disk");
S9xMessage(S9X_INFO, S9X_USAGE, "-dumpmaxframes <num> Stop emulator after saving specified number of");
S9xMessage(S9X_INFO, S9X_USAGE, " frames (use with -dumpstreams)");
S9xMessage(S9X_INFO, S9X_USAGE, "");
S9xMessage(S9X_INFO, S9X_USAGE, "-rwbuffersize Rewind buffer size in MB");
S9xMessage(S9X_INFO, S9X_USAGE, "-rwgranularity Rewind granularity in frames");
S9xMessage(S9X_INFO, S9X_USAGE, "");
S9xExtraDisplayUsage();
}
void S9xParseArg (char **argv, int &i, int argc)
{
if (!strcasecmp(argv[i], "-multi"))
Settings.Multi = TRUE;
else
if (!strcasecmp(argv[i], "-carta"))
{
if (i + 1 < argc)
strncpy(Settings.CartAName, argv[++i], _MAX_PATH);
else
S9xUsage();
}
else
if (!strcasecmp(argv[i], "-cartb"))
{
if (i + 1 < argc)
strncpy(Settings.CartBName, argv[++i], _MAX_PATH);
else
S9xUsage();
}
else
#ifdef JOYSTICK_SUPPORT
if (!strcasecmp(argv[i], "-nogamepad"))
unixSettings.JoystickEnabled = FALSE;
else
if (!strncasecmp(argv[i], "-paddev", 7) &&
argv[i][7] >= '1' && argv[i][7] <= '8' && argv[i][8] == '\0')
{
int j = argv[i][7] - '1';
if (i + 1 < argc)
js_device[j] = argv[++i];
else
S9xUsage();
}
else
#endif
#ifdef USE_THREADS
if (!strcasecmp(argv[i], "-threadsound"))
unixSettings.ThreadSound = TRUE;
else
#endif
if (!strcasecmp(argv[i], "-buffersize"))
{
if (i + 1 < argc)
unixSettings.SoundBufferSize = atoi(argv[++i]);
else
S9xUsage();
}
else
if (!strcasecmp(argv[i], "-fragmentsize"))
{
if (i + 1 < argc)
unixSettings.SoundFragmentSize = atoi(argv[++i]);
else
S9xUsage();
}
else
if (!strcasecmp(argv[i], "-sounddev"))
{
if (i + 1 < argc)
sound_device = argv[++i];
else
S9xUsage();
}
else
if (!strcasecmp(argv[i], "-loadsnapshot"))
{
if (i + 1 < argc)
snapshot_filename = argv[++i];
else
S9xUsage();
}
else
if (!strcasecmp(argv[i], "-playmovie"))
{
if (i + 1 < argc)
play_smv_filename = argv[++i];
else
S9xUsage();
}
else
if (!strcasecmp(argv[i], "-recordmovie"))
{
if (i + 1 < argc)
record_smv_filename = argv[++i];
else
S9xUsage();
}
else
if (!strcasecmp(argv[i], "-dumpstreams"))
Settings.DumpStreams = TRUE;
else
if (!strcasecmp(argv[i], "-dumpmaxframes"))
Settings.DumpStreamsMaxFrames = atoi(argv[++i]);
else
if (!strcasecmp(argv[i], "-rwbuffersize"))
{
if (i + 1 < argc)
unixSettings.rewindBufferSize = atoi(argv[++i]);
else
S9xUsage();
}
else
if (!strcasecmp(argv[i], "-rwgranularity"))
{
if (i + 1 < argc)
unixSettings.rewindGranularity = atoi(argv[++i]);
else
S9xUsage();
}
else
S9xParseDisplayArg(argv, i, argc);
}
static void NSRTControllerSetup (void)
{
if (!strncmp((const char *) Memory.NSRTHeader + 24, "NSRT", 4))
{
// First plug in both, they'll change later as needed
S9xSetController(0, CTL_JOYPAD, 0, 0, 0, 0);
S9xSetController(1, CTL_JOYPAD, 1, 0, 0, 0);
switch (Memory.NSRTHeader[29])
{
case 0x00: // Everything goes
break;
case 0x10: // Mouse in Port 0
S9xSetController(0, CTL_MOUSE, 0, 0, 0, 0);
break;
case 0x01: // Mouse in Port 1
S9xSetController(1, CTL_MOUSE, 1, 0, 0, 0);
break;
case 0x03: // Super Scope in Port 1
S9xSetController(1, CTL_SUPERSCOPE, 0, 0, 0, 0);
break;
case 0x06: // Multitap in Port 1
S9xSetController(1, CTL_MP5, 1, 2, 3, 4);
break;
case 0x66: // Multitap in Ports 0 and 1
S9xSetController(0, CTL_MP5, 0, 1, 2, 3);
S9xSetController(1, CTL_MP5, 4, 5, 6, 7);
break;
case 0x08: // Multitap in Port 1, Mouse in new Port 1
S9xSetController(1, CTL_MOUSE, 1, 0, 0, 0);
// There should be a toggle here for putting in Multitap instead
break;
case 0x04: // Pad or Super Scope in Port 1
S9xSetController(1, CTL_SUPERSCOPE, 0, 0, 0, 0);
// There should be a toggle here for putting in a pad instead
break;
case 0x05: // Justifier - Must ask user...
S9xSetController(1, CTL_JUSTIFIER, 1, 0, 0, 0);
// There should be a toggle here for how many justifiers
break;
case 0x20: // Pad or Mouse in Port 0
S9xSetController(0, CTL_MOUSE, 0, 0, 0, 0);
// There should be a toggle here for putting in a pad instead
break;
case 0x22: // Pad or Mouse in Port 0 & 1
S9xSetController(0, CTL_MOUSE, 0, 0, 0, 0);
S9xSetController(1, CTL_MOUSE, 1, 0, 0, 0);
// There should be a toggles here for putting in pads instead
break;
case 0x24: // Pad or Mouse in Port 0, Pad or Super Scope in Port 1
// There should be a toggles here for what to put in, I'm leaving it at gamepad for now
break;
case 0x27: // Pad or Mouse in Port 0, Pad or Mouse or Super Scope in Port 1
// There should be a toggles here for what to put in, I'm leaving it at gamepad for now
break;
// Not Supported yet
case 0x99: // Lasabirdie
break;
case 0x0A: // Barcode Battler
break;
}
}
}
void S9xParsePortConfig (ConfigFile &conf, int pass)
{
s9x_base_dir = conf.GetStringDup("Unix::BaseDir", default_dir);
snapshot_filename = conf.GetStringDup("Unix::SnapshotFilename", NULL);
play_smv_filename = conf.GetStringDup("Unix::PlayMovieFilename", NULL);
record_smv_filename = conf.GetStringDup("Unix::RecordMovieFilename", NULL);
#ifdef JOYSTICK_SUPPORT
unixSettings.JoystickEnabled = conf.GetBool ("Unix::EnableGamePad", true);
js_device[0] = conf.GetStringDup("Unix::PadDevice1", NULL);
js_device[1] = conf.GetStringDup("Unix::PadDevice2", NULL);
js_device[2] = conf.GetStringDup("Unix::PadDevice3", NULL);
js_device[3] = conf.GetStringDup("Unix::PadDevice4", NULL);
js_device[4] = conf.GetStringDup("Unix::PadDevice5", NULL);
js_device[5] = conf.GetStringDup("Unix::PadDevice6", NULL);
js_device[6] = conf.GetStringDup("Unix::PadDevice7", NULL);
js_device[7] = conf.GetStringDup("Unix::PadDevice8", NULL);
#endif
#ifdef USE_THREADS
unixSettings.ThreadSound = conf.GetBool ("Unix::ThreadSound", false);
#endif
unixSettings.SoundBufferSize = conf.GetUInt ("Unix::SoundBufferSize", 100);
unixSettings.SoundFragmentSize = conf.GetUInt ("Unix::SoundFragmentSize", 2048);
sound_device = conf.GetStringDup("Unix::SoundDevice", "/dev/dsp");
keymaps.clear();
if (!conf.GetBool("Unix::ClearAllControls", false))
{
#if 0
// Using an axis to control Pseudo-pointer #1
keymaps.push_back(strpair_t("J00:Axis0", "AxisToPointer 1h Var"));
keymaps.push_back(strpair_t("J00:Axis1", "AxisToPointer 1v Var"));
keymaps.push_back(strpair_t("PseudoPointer1", "Pointer C=2 White/Black Superscope"));
#elif 0
// Using an Axis for Pseudo-buttons
keymaps.push_back(strpair_t("J00:Axis0", "AxisToButtons 1/0 T=50%"));
keymaps.push_back(strpair_t("J00:Axis1", "AxisToButtons 3/2 T=50%"));
keymaps.push_back(strpair_t("PseudoButton0", "Joypad1 Right"));
keymaps.push_back(strpair_t("PseudoButton1", "Joypad1 Left"));
keymaps.push_back(strpair_t("PseudoButton2", "Joypad1 Down"));
keymaps.push_back(strpair_t("PseudoButton3", "Joypad1 Up"));
#else
// Using 'Joypad# Axis'
keymaps.push_back(strpair_t("J00:Axis0", "Joypad1 Axis Left/Right T=50%"));
keymaps.push_back(strpair_t("J00:Axis1", "Joypad1 Axis Up/Down T=50%"));
#endif
keymaps.push_back(strpair_t("J00:B0", "Joypad1 X"));
keymaps.push_back(strpair_t("J00:B1", "Joypad1 A"));
keymaps.push_back(strpair_t("J00:B2", "Joypad1 B"));
keymaps.push_back(strpair_t("J00:B3", "Joypad1 Y"));
#if 1
keymaps.push_back(strpair_t("J00:B6", "Joypad1 L"));
#else
// Show off joypad-meta
keymaps.push_back(strpair_t("J00:X+B6", "JS1 Meta1"));
keymaps.push_back(strpair_t("J00:M1+B1", "Joypad1 Turbo A"));
#endif
keymaps.push_back(strpair_t("J00:B7", "Joypad1 R"));
keymaps.push_back(strpair_t("J00:B8", "Joypad1 Select"));
keymaps.push_back(strpair_t("J00:B11", "Joypad1 Start"));
}
std::string section = S9xParseDisplayConfig(conf, 1);
ConfigFile::secvec_t sec = conf.GetSection((section + " Controls").c_str());
for (ConfigFile::secvec_t::iterator c = sec.begin(); c != sec.end(); c++)
keymaps.push_back(*c);
}
static int make_snes9x_dirs (void)
{
if (strlen(s9x_base_dir) + 1 + sizeof(dirNames[0]) > PATH_MAX + 1)
return (-1);
mkdir(s9x_base_dir, 0755);
for (int i = 0; i < LAST_DIR; i++)
{
if (dirNames[i][0])
{
char s[PATH_MAX + 1];
snprintf(s, PATH_MAX + 1, "%s%s%s", s9x_base_dir, SLASH_STR, dirNames[i]);
mkdir(s, 0755);
}
}
return (0);
}
const char * S9xGetDirectory (enum s9x_getdirtype dirtype)
{
static char s[PATH_MAX + 1];
if (dirNames[dirtype][0])
snprintf(s, PATH_MAX + 1, "%s%s%s", s9x_base_dir, SLASH_STR, dirNames[dirtype]);
else
{
switch (dirtype)
{
case DEFAULT_DIR:
strncpy(s, s9x_base_dir, PATH_MAX + 1);
s[PATH_MAX] = 0;
break;
case HOME_DIR:
strncpy(s, getenv("HOME"), PATH_MAX + 1);
s[PATH_MAX] = 0;
break;
case ROMFILENAME_DIR:
strncpy(s, Memory.ROMFilename, PATH_MAX + 1);
s[PATH_MAX] = 0;
for (int i = strlen(s); i >= 0; i--)
{
if (s[i] == SLASH_CHAR)
{
s[i] = 0;
break;
}
}
break;
default:
s[0] = 0;
break;
}
}
return (s);
}
const char * S9xGetFilename (const char *ex, enum s9x_getdirtype dirtype)
{
static char s[PATH_MAX + 1];
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], fname[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
_splitpath(Memory.ROMFilename, drive, dir, fname, ext);
snprintf(s, PATH_MAX + 1, "%s%s%s%s", S9xGetDirectory(dirtype), SLASH_STR, fname, ex);
return (s);
}
const char * S9xGetFilenameInc (const char *ex, enum s9x_getdirtype dirtype)
{
static char s[PATH_MAX + 1];
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], fname[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
unsigned int i = 0;
const char *d;
struct stat buf;
_splitpath(Memory.ROMFilename, drive, dir, fname, ext);
d = S9xGetDirectory(dirtype);
do
snprintf(s, PATH_MAX + 1, "%s%s%s.%03d%s", d, SLASH_STR, fname, i++, ex);
while (stat(s, &buf) == 0 && i < 1000);
return (s);
}
const char * S9xBasename (const char *f)
{
const char *p;
if ((p = strrchr(f, '/')) != NULL || (p = strrchr(f, '\\')) != NULL)
return (p + 1);
return (f);
}
const char * S9xChooseFilename (bool8 read_only)
{
char s[PATH_MAX + 1];
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], fname[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
const char *filename;
char title[64];
_splitpath(Memory.ROMFilename, drive, dir, fname, ext);
snprintf(s, PATH_MAX + 1, "%s.frz", fname);
sprintf(title, "%s snapshot filename", read_only ? "Select load" : "Choose save");
S9xSetSoundMute(TRUE);
filename = S9xSelectFilename(s, S9xGetDirectory(SNAPSHOT_DIR), "frz", title);
S9xSetSoundMute(FALSE);
return (filename);
}
const char * S9xChooseMovieFilename (bool8 read_only)
{
char s[PATH_MAX + 1];
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], fname[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
const char *filename;
char title[64];
_splitpath(Memory.ROMFilename, drive, dir, fname, ext);
snprintf(s, PATH_MAX + 1, "%s.smv", fname);
sprintf(title, "Choose movie %s filename", read_only ? "playback" : "record");
S9xSetSoundMute(TRUE);
filename = S9xSelectFilename(s, S9xGetDirectory(HOME_DIR), "smv", title);
S9xSetSoundMute(FALSE);
return (filename);
}
bool8 S9xOpenSnapshotFile (const char *filename, bool8 read_only, STREAM *file)
{
char s[PATH_MAX + 1];
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], fname[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
_splitpath(filename, drive, dir, fname, ext);
if (*drive || *dir == SLASH_CHAR || (strlen(dir) > 1 && *dir == '.' && *(dir + 1) == SLASH_CHAR))
{
strncpy(s, filename, PATH_MAX + 1);
s[PATH_MAX] = 0;
}
else
snprintf(s, PATH_MAX + 1, "%s%s%s", S9xGetDirectory(SNAPSHOT_DIR), SLASH_STR, fname);
if (!*ext && strlen(s) <= PATH_MAX - 4)
strcat(s, ".frz");
if ((*file = OPEN_STREAM(s, read_only ? "rb" : "wb")))
return (TRUE);
return (FALSE);
}
void S9xCloseSnapshotFile (STREAM file)
{
CLOSE_STREAM(file);
}
bool8 S9xInitUpdate (void)
{
return (TRUE);
}
bool8 S9xDeinitUpdate (int width, int height)
{
S9xPutImage(width, height);
return (TRUE);
}
bool8 S9xContinueUpdate (int width, int height)
{
return (TRUE);
}
void S9xToggleSoundChannel (int c)
{
static uint8 sound_switch = 255;
if (c == 8)
sound_switch = 255;
else
sound_switch ^= 1 << c;
S9xSetSoundControl(sound_switch);
}
void S9xAutoSaveSRAM (void)
{
Memory.SaveSRAM(S9xGetFilename(".srm", SRAM_DIR));
}
void S9xSyncSpeed (void)
{
#ifndef NOSOUND
if (Settings.SoundSync)
{
while (!S9xSyncSound())
usleep(0);
}
#endif
if (Settings.DumpStreams)
return;
#ifdef NETPLAY_SUPPORT
if (Settings.NetPlay && NetPlay.Connected)
{
#if defined(NP_DEBUG) && NP_DEBUG == 2
printf("CLIENT: SyncSpeed @%d\n", S9xGetMilliTime());
#endif
S9xNPSendJoypadUpdate(old_joypads[0]);
for (int J = 0; J < 8; J++)
joypads[J] = S9xNPGetJoypad(J);
if (!S9xNPCheckForHeartBeat())
{
NetPlay.PendingWait4Sync = !S9xNPWaitForHeartBeatDelay(100);
#if defined(NP_DEBUG) && NP_DEBUG == 2
if (NetPlay.PendingWait4Sync)
printf("CLIENT: PendingWait4Sync1 @%d\n", S9xGetMilliTime());
#endif
IPPU.RenderThisFrame = TRUE;
IPPU.SkippedFrames = 0;
}
else
{
NetPlay.PendingWait4Sync = !S9xNPWaitForHeartBeatDelay(200);
#if defined(NP_DEBUG) && NP_DEBUG == 2
if (NetPlay.PendingWait4Sync)
printf("CLIENT: PendingWait4Sync2 @%d\n", S9xGetMilliTime());
#endif
if (IPPU.SkippedFrames < NetPlay.MaxFrameSkip)
{
IPPU.RenderThisFrame = FALSE;
IPPU.SkippedFrames++;
}
else
{
IPPU.RenderThisFrame = TRUE;
IPPU.SkippedFrames = 0;
}
}
if (!NetPlay.PendingWait4Sync)
{
NetPlay.FrameCount++;
S9xNPStepJoypadHistory();
}
return;
}
#endif
if (Settings.HighSpeedSeek > 0)
Settings.HighSpeedSeek--;
if (Settings.TurboMode)
{
if ((++IPPU.FrameSkip >= Settings.TurboSkipFrames) && !Settings.HighSpeedSeek)
{
IPPU.FrameSkip = 0;
IPPU.SkippedFrames = 0;
IPPU.RenderThisFrame = TRUE;
}
else
{
IPPU.SkippedFrames++;
IPPU.RenderThisFrame = FALSE;
}
return;
}
static struct timeval next1 = { 0, 0 };
struct timeval now;
while (gettimeofday(&now, NULL) == -1) ;
// If there is no known "next" frame, initialize it now.
if (next1.tv_sec == 0)
{
next1 = now;
next1.tv_usec++;
}
// If we're on AUTO_FRAMERATE, we'll display frames always only if there's excess time.
// Otherwise we'll display the defined amount of frames.
unsigned limit = (Settings.SkipFrames == AUTO_FRAMERATE) ? (timercmp(&next1, &now, <) ? 10 : 1) : Settings.SkipFrames;
IPPU.RenderThisFrame = (++IPPU.SkippedFrames >= limit) ? TRUE : FALSE;
if (IPPU.RenderThisFrame)
IPPU.SkippedFrames = 0;
else
{
// If we were behind the schedule, check how much it is.
if (timercmp(&next1, &now, <))
{
unsigned lag = (now.tv_sec - next1.tv_sec) * 1000000 + now.tv_usec - next1.tv_usec;
if (lag >= 500000)
{
// More than a half-second behind means probably pause.
// The next line prevents the magic fast-forward effect.
next1 = now;
}
}
}
// Delay until we're completed this frame.
// Can't use setitimer because the sound code already could be using it. We don't actually need it either.
while (timercmp(&next1, &now, >))
{
// If we're ahead of time, sleep a while.
unsigned timeleft = (next1.tv_sec - now.tv_sec) * 1000000 + next1.tv_usec - now.tv_usec;
usleep(timeleft);
while (gettimeofday(&now, NULL) == -1) ;
// Continue with a while-loop because usleep() could be interrupted by a signal.
}
// Calculate the timestamp of the next frame.
next1.tv_usec += Settings.FrameTime;
if (next1.tv_usec >= 1000000)
{
next1.tv_sec += next1.tv_usec / 1000000;
next1.tv_usec %= 1000000;
}
}
bool8 S9xMapInput (const char *n, s9xcommand_t *cmd)
{
int i, j, d;
char *c;
char buf[4] = "M1+";
if (!strncmp(n, "PseudoPointer", 13) && n[13] >= '1' && n[13] <= '8' && n[14] == '\0')
return (S9xMapPointer(PseudoPointerBase + (n[13] - '1'), *cmd, false));
if (!strncmp(n, "PseudoButton", 12) && isdigit(n[12]) && (j = strtol(n + 12, &c, 10)) < 256 && (c == NULL || *c == '\0'))
return (S9xMapButton(PseudoButtonBase + j, *cmd, false));
if (n[0] != 'J' || !isdigit(n[1]) || !isdigit(n[2]) || n[3] != ':')
goto unrecog;
d = ((n[1] - '0') * 10 + (n[2] - '0')) << 24;
d |= 0x80000000;
i = 4;
if (!strncmp(n + i, "X+", 2))
{
d |= 0x4000;
i += 2;
}
else
{
for (buf[1] = '1'; buf[1] <= '8'; buf[1]++)
{
if (!strncmp(n + i, buf, 3))
{
d |= 1 << (buf[1] - '1' + 16);
i += 3;
}
}
}
if (!strncmp(n + i, "Axis", 4))
{
d |= 0x8000;
i += 4;
}
else
if (n[i] == 'B')
i++;
else
goto unrecog;
d |= j = strtol(n + i, &c, 10);
if ((c != NULL && *c != '\0') || j > 0x3fff)
goto unrecog;
if (d & 0x8000)
return (S9xMapAxis(d, *cmd, false));
return (S9xMapButton(d, *cmd, false));
unrecog:
return (S9xMapDisplayInput(n, cmd));
}
bool S9xPollButton (uint32 id, bool *pressed)
{
return (S9xDisplayPollButton(id, pressed));
}
bool S9xPollAxis (uint32 id, int16 *value)
{
return (S9xDisplayPollAxis(id, value));
}
bool S9xPollPointer (uint32 id, int16 *x, int16 *y)
{
return (S9xDisplayPollPointer(id, x, y));
}
s9xcommand_t S9xGetPortCommandT (const char *n)
{
s9xcommand_t cmd;
cmd.type = S9xBadMapping;
cmd.multi_press = 0;
cmd.button_norpt = 0;
cmd.port[0] = 0;
cmd.port[1] = 0;
cmd.port[2] = 0;
cmd.port[3] = 0;
if (!strncmp(n, "JS", 2) && n[2] >= '1' && n[2] <= '8')
{
if (!strncmp(n + 3, " Meta", 5) && n[8] >= '1' && n[8] <= '8' && n[9] == '\0')
{
cmd.type = S9xButtonPort;
cmd.port[1] = 0;
cmd.port[2] = n[2] - '1';
cmd.port[3] = 1 << (n[8] - '1');
return (cmd);
}
else
if (!strncmp(n + 3, " ToggleMeta", 11) && n[14] >= '1' && n[14] <= '8' && n[15] == '\0')
{
cmd.type = S9xButtonPort;
cmd.port[1] = 1;
cmd.port[2] = n[2] - '1';
cmd.port[3] = 1 << (n[13] - '1');
return (cmd);
}
} else
if (!strcmp(n,"Rewind"))
{
cmd.type = S9xButtonPort;
cmd.port[1] = 2;
return (cmd);
}
else if (!strcmp(n, "Advance"))
{
cmd.type = S9xButtonPort;
cmd.port[1] = 3;
return (cmd);
}
return (S9xGetDisplayCommandT(n));
}
char * S9xGetPortCommandName (s9xcommand_t cmd)
{
std::string x;
switch (cmd.type)
{
case S9xButtonPort:
if (cmd.port[0] != 0)
break;
switch (cmd.port[1])
{
case 0:
x = "JS";
x += (int) cmd.port[2];
x += " Meta";
x += (int) cmd.port[3];
return (strdup(x.c_str()));
case 1:
x = "JS";
x += (int) cmd.port[2];
x += " ToggleMeta";
x += (int) cmd.port[3];
return (strdup(x.c_str()));
case 2:
return (strdup("Rewind"));
case 3:
return (strdup("Advance"));
}
break;
case S9xAxisPort:
break;
case S9xPointerPort:
break;
}
return (S9xGetDisplayCommandName(cmd));
}
void S9xHandlePortCommand (s9xcommand_t cmd, int16 data1, int16 data2)
{
#ifdef JOYSTICK_SUPPORT
switch (cmd.type)
{
case S9xButtonPort:
if (cmd.port[0] != 0)
break;
switch (cmd.port[1])
{
case 0:
if (data1)
js_mod[cmd.port[2]] |= cmd.port[3];
else
js_mod[cmd.port[2]] &= ~cmd.port[3];
break;
case 1:
if (data1)
js_mod[cmd.port[2]] ^= cmd.port[3];
break;
case 2:
rewinding = (bool8) data1;
break;
case 3:
frame_advance = (bool8) data1;
}
break;
case S9xAxisPort:
break;
case S9xPointerPort:
break;
}
S9xHandleDisplayCommand(cmd, data1, data2);
#endif
}
void S9xSetupDefaultKeymap (void)
{
s9xcommand_t cmd;
S9xUnmapAllControls();
for (ConfigFile::secvec_t::iterator i = keymaps.begin(); i != keymaps.end(); i++)
{
cmd = S9xGetPortCommandT(i->second.c_str());
if (cmd.type == S9xBadMapping)
{
cmd = S9xGetCommandT(i->second.c_str());
if (cmd.type == S9xBadMapping)
{
std::string s("Unrecognized command '");
s += i->second + "'";
perror(s.c_str());
continue;
}
}
if (!S9xMapInput(i->first.c_str(), &cmd))
{
std::string s("Could not map '");
s += i->second + "' to '" + i->first + "'";
perror(s.c_str());
continue;
}
}
keymaps.clear();
}
void S9xInitInputDevices (void)
{
#ifdef JOYSTICK_SUPPORT
InitJoysticks();
#endif
}
#ifdef JOYSTICK_SUPPORT
static void InitJoysticks (void)
{
#ifdef JSIOCGVERSION
int version;
unsigned char axes, buttons;
if ((js_fd[0] = open(js_device[0], O_RDONLY | O_NONBLOCK)) == -1)
{
fprintf(stderr, "joystick: No joystick found.\n");
return;
}
if (ioctl(js_fd[0], JSIOCGVERSION, &version) == -1)
{
fprintf(stderr, "joystick: You need at least driver version 1.0 for joystick support.\n");
close(js_fd[0]);
return;
}
for (int i = 1; i < 8; i++)
js_fd[i] = open(js_device[i], O_RDONLY | O_NONBLOCK);
#ifdef JSIOCGNAME
char name[130];
bzero(name, 128);
if (ioctl(js_fd[0], JSIOCGNAME(128), name) > 0)
{
printf("Using %s (%s) as joystick1\n", name, js_device[0]);
for (int i = 1; i < 8; i++)
{
if (js_fd[i] > 0)
{
ioctl(js_fd[i], JSIOCGNAME(128), name);
printf (" and %s (%s) as joystick%d\n", name, js_device[i], i + 1);
}
}
}
else
#endif
{
ioctl(js_fd[0], JSIOCGAXES, &axes);
ioctl(js_fd[0], JSIOCGBUTTONS, &buttons);
printf("Using %d-axis %d-button joystick (%s) as joystick1\n", axes, buttons, js_device[0]);
for (int i = 1; i < 8; i++)
{
if (js_fd[i] > 0)
{
ioctl(js_fd[i], JSIOCGAXES, &axes);
ioctl(js_fd[i], JSIOCGBUTTONS, &buttons);
printf(" and %d-axis %d-button joystick (%s) as joystick%d\n", axes, buttons, js_device[i], i + 1);
}
}
}
#endif
}
static void ReadJoysticks (void)
{
#ifdef JSIOCGVERSION
struct js_event js_ev;
for (int i = 0; i < 8; i++)
{
// Try to reopen unplugged sticks
if (js_unplugged[i])
{
js_fd[i] = open(js_device[i], O_RDONLY | O_NONBLOCK);
if (js_fd[i] >= 0)
{
fprintf(stderr,"Joystick %d reconnected.\n",i);
js_unplugged[i] = FALSE;
}
}
// skip sticks without valid file desc
if (js_fd[i] < 0) continue;
while (read(js_fd[i], &js_ev, sizeof(struct js_event)) == sizeof(struct js_event))
{
switch (js_ev.type)
{
case JS_EVENT_AXIS:
S9xReportAxis(0x8000c000 | (i << 24) | js_ev.number, js_ev.value);
S9xReportAxis(0x80008000 | (i << 24) | (js_mod[i] << 16) | js_ev.number, js_ev.value);
break;
case JS_EVENT_BUTTON:
case JS_EVENT_BUTTON | JS_EVENT_INIT:
S9xReportButton(0x80004000 | (i << 24) | js_ev.number, js_ev.value);
S9xReportButton(0x80000000 | (i << 24) | (js_mod[i] << 16) | js_ev.number, js_ev.value);
break;
}
}
/* EAGAIN is returned when the queue is empty */
if (errno != EAGAIN) {
// Error reading joystick.
fprintf(stderr,"Error reading joystick %d!\n",i);
// Mark for reconnect attempt.
js_unplugged[i] = TRUE;
for (unsigned int j = 0; j < 16; j++)
{
// Center all axis
S9xReportAxis(0x8000c000 | (i << 24) | j, 0);
S9xReportAxis(0x80008000 | (i << 24) | (js_mod[i] << 16) | j, 0);
// Unpress all buttons.
S9xReportButton(0x80004000 | (i << 24) | j, 0);
S9xReportButton(0x80000000 | (i << 24) | (js_mod[i] << 16) | j, 0);
}
}
}
#endif
}
#endif
static void SoundTrigger (void)
{
#ifndef NOSOUND
S9xProcessSound(NULL);
#endif
}
static void InitTimer (void)
{
#ifndef NOSOUND
struct itimerval timeout;
#endif
struct sigaction sa;
#ifdef USE_THREADS
if (unixSettings.ThreadSound)
{
pthread_mutex_init(&mutex, NULL);
pthread_create(&thread, NULL, S9xProcessSound, NULL);
return;
}
#endif
sa.sa_handler = (SIG_PF) SoundTrigger;
#ifdef SA_RESTART
sa.sa_flags = SA_RESTART;
#else
sa.sa_flags = 0;
#endif
#ifndef NOSOUND // FIXME: Kludge to get calltree running. Remove later.
sigemptyset(&sa.sa_mask);
sigaction(SIGALRM, &sa, NULL);
timeout.it_interval.tv_sec = 0;
timeout.it_interval.tv_usec = 10000;
timeout.it_value.tv_sec = 0;
timeout.it_value.tv_usec = 10000;
if (setitimer(ITIMER_REAL, &timeout, NULL) < 0)
perror("setitimer");
#endif
}
bool8 S9xOpenSoundDevice (void)
{
#ifndef NOSOUND
int J, K;
so.sound_fd = open(sound_device, O_WRONLY | O_NONBLOCK);
if (so.sound_fd == -1)
{
fprintf(stderr, "ERROR: Failed to open sound device %s for writing.\n\t(Try loading snd-pcm-oss module?)\n", sound_device);
return (FALSE);
}
J = log2(unixSettings.SoundFragmentSize) | (3 << 16);
if (ioctl(so.sound_fd, SNDCTL_DSP_SETFRAGMENT, &J) == -1)
return (FALSE);
J = K = Settings.SixteenBitSound ? AFMT_S16_NE : AFMT_U8;
if (ioctl(so.sound_fd, SNDCTL_DSP_SETFMT, &J) == -1 || J != K)
return (FALSE);
J = K = Settings.Stereo ? 1 : 0;
if (ioctl(so.sound_fd, SNDCTL_DSP_STEREO, &J) == -1 || J != K)
return (FALSE);
J = K = Settings.SoundPlaybackRate;
if (ioctl(so.sound_fd, SNDCTL_DSP_SPEED, &J) == -1 || J != K)
return (FALSE);
J = 0;
if (ioctl(so.sound_fd, SNDCTL_DSP_GETBLKSIZE, &J) == -1)
return (FALSE);
so.fragment_size = J;
printf("fragment size: %d\n", J);
#endif
return (TRUE);
}
#ifndef NOSOUND
static void * S9xProcessSound (void *)
{
// If threads in use, this is to loop indefinitely.
// If not, this will be called by timer.
audio_buf_info info;
if (!unixSettings.ThreadSound && (ioctl(so.sound_fd, SNDCTL_DSP_GETOSPACE, &info) == -1 || info.bytes < (int) so.fragment_size))
return (NULL);
#ifdef USE_THREADS
do
{
#endif
int sample_count = so.fragment_size;
if (Settings.SixteenBitSound)
sample_count >>= 1;
#ifdef USE_THREADS
if (unixSettings.ThreadSound)
pthread_mutex_lock(&mutex);
else
#endif
if (block_signal)
return (NULL);
block_generate_sound = TRUE;
if (so.samples_mixed_so_far < sample_count)
{
unsigned ofs = so.play_position + (Settings.SixteenBitSound ? (so.samples_mixed_so_far << 1) : so.samples_mixed_so_far);
S9xMixSamples(Buf + (ofs & SOUND_BUFFER_SIZE_MASK), sample_count - so.samples_mixed_so_far);
so.samples_mixed_so_far = sample_count;
}
unsigned bytes_to_write = sample_count;
if (Settings.SixteenBitSound)
bytes_to_write <<= 1;
unsigned byte_offset = so.play_position;
so.play_position += bytes_to_write;
so.play_position &= SOUND_BUFFER_SIZE_MASK;
#ifdef USE_THREADS
if (unixSettings.ThreadSound)
pthread_mutex_unlock(&mutex);
#endif
block_generate_sound = FALSE;
for (;;)
{
int I = bytes_to_write;
if (byte_offset + I > SOUND_BUFFER_SIZE)
I = SOUND_BUFFER_SIZE - byte_offset;
if (I == 0)
break;
I = write(so.sound_fd, (char *) Buf + byte_offset, I);
if (I > 0)
{
bytes_to_write -= I;
byte_offset += I;
byte_offset &= SOUND_BUFFER_SIZE_MASK;
}
else
if (I < 0 && errno != EINTR)
break;
}
so.samples_mixed_so_far -= sample_count;
#ifdef USE_THREADS
} while (unixSettings.ThreadSound);
#endif
return (NULL);
}
#endif
void S9xExit (void)
{
S9xMovieShutdown();
S9xSetSoundMute(TRUE);
Settings.StopEmulation = TRUE;
#ifdef NETPLAY_SUPPORT
if (Settings.NetPlay)
S9xNPDisconnect();
#endif
Memory.SaveSRAM(S9xGetFilename(".srm", SRAM_DIR));
S9xResetSaveTimer(FALSE);
S9xSaveCheatFile(S9xGetFilename(".cht", CHEAT_DIR));
S9xUnmapAllControls();
S9xDeinitDisplay();
Memory.Deinit();
S9xDeinitAPU();
exit(0);
}
#ifdef DEBUGGER
static void sigbrkhandler (int)
{
CPU.Flags |= DEBUG_MODE_FLAG;
signal(SIGINT, (SIG_PF) sigbrkhandler);
}
#endif
int main (int argc, char **argv)
{
if (argc < 2)
S9xUsage();
printf("\n\nSnes9x " VERSION " for unix\n");
snprintf(default_dir, PATH_MAX + 1, "%s%s%s", getenv("HOME"), SLASH_STR, ".snes9x");
s9x_base_dir = default_dir;
memset(&Settings, 0, sizeof(Settings));
Settings.MouseMaster = TRUE;
Settings.SuperScopeMaster = TRUE;
Settings.JustifierMaster = TRUE;
Settings.MultiPlayer5Master = TRUE;
Settings.FrameTimePAL = 20000;
Settings.FrameTimeNTSC = 16667;
Settings.SixteenBitSound = TRUE;
Settings.Stereo = TRUE;
Settings.SoundPlaybackRate = 48000;
Settings.SoundInputRate = 31950;
Settings.SupportHiRes = TRUE;
Settings.Transparency = TRUE;
Settings.AutoDisplayMessages = TRUE;
Settings.InitialInfoStringTimeout = 120;
Settings.HDMATimingHack = 100;
Settings.BlockInvalidVRAMAccessMaster = TRUE;
Settings.StopEmulation = TRUE;
Settings.WrongMovieStateProtection = TRUE;
Settings.DumpStreamsMaxFrames = -1;
Settings.StretchScreenshots = 1;
Settings.SnapshotScreenshots = TRUE;
Settings.SkipFrames = AUTO_FRAMERATE;
Settings.TurboSkipFrames = 15;
Settings.CartAName[0] = 0;
Settings.CartBName[0] = 0;
#ifdef NETPLAY_SUPPORT
Settings.ServerName[0] = 0;
#endif
#ifdef JOYSTICK_SUPPORT
unixSettings.JoystickEnabled = TRUE;
#else
unixSettings.JoystickEnabled = FALSE;
#endif
unixSettings.ThreadSound = TRUE;
unixSettings.SoundBufferSize = 100;
unixSettings.SoundFragmentSize = 2048;
unixSettings.rewindBufferSize = 0;
unixSettings.rewindGranularity = 1;
memset(&so, 0, sizeof(so));
rewinding = false;
CPU.Flags = 0;
S9xLoadConfigFiles(argv, argc);
rom_filename = S9xParseArgs(argv, argc);
S9xDeleteCheats();
make_snes9x_dirs();
if (!Memory.Init() || !S9xInitAPU())
{
fprintf(stderr, "Snes9x: Memory allocation failure - not enough RAM/virtual memory available.\nExiting...\n");
Memory.Deinit();
S9xDeinitAPU();
exit(1);
}
S9xInitSound(unixSettings.SoundBufferSize, 0);
S9xSetSoundMute(TRUE);
S9xReportControllers();
#ifdef GFX_MULTI_FORMAT
S9xSetRenderPixelFormat(RGB565);
#endif
uint32 saved_flags = CPU.Flags;
bool8 loaded = FALSE;
if (Settings.Multi)
{
loaded = Memory.LoadMultiCart(Settings.CartAName, Settings.CartBName);
if (!loaded)
{
char s1[PATH_MAX + 1], s2[PATH_MAX + 1];
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], fname[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
s1[0] = s2[0] = 0;
if (Settings.CartAName[0])
{
_splitpath(Settings.CartAName, drive, dir, fname, ext);
snprintf(s1, PATH_MAX + 1, "%s%s%s", S9xGetDirectory(ROM_DIR), SLASH_STR, fname);
if (ext[0] && (strlen(s1) <= PATH_MAX - 1 - strlen(ext)))
{
strcat(s1, ".");
strcat(s1, ext);
}
}
if (Settings.CartBName[0])
{
_splitpath(Settings.CartBName, drive, dir, fname, ext);
snprintf(s2, PATH_MAX + 1, "%s%s%s", S9xGetDirectory(ROM_DIR), SLASH_STR, fname);
if (ext[0] && (strlen(s2) <= PATH_MAX - 1 - strlen(ext)))
{
strcat(s2, ".");
strcat(s2, ext);
}
}
loaded = Memory.LoadMultiCart(s1, s2);
}
}
else
if (rom_filename)
{
loaded = Memory.LoadROM(rom_filename);
if (!loaded && rom_filename[0])
{
char s[PATH_MAX + 1];
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], fname[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
_splitpath(rom_filename, drive, dir, fname, ext);
snprintf(s, PATH_MAX + 1, "%s%s%s", S9xGetDirectory(ROM_DIR), SLASH_STR, fname);
if (ext[0] && (strlen(s) <= PATH_MAX - 1 - strlen(ext)))
{
strcat(s, ".");
strcat(s, ext);
}
loaded = Memory.LoadROM(s);
}
}
if (!loaded)
{
fprintf(stderr, "Error opening the ROM file.\n");
exit(1);
}
S9xDeleteCheats();
S9xCheatsEnable();
NSRTControllerSetup();
Memory.LoadSRAM(S9xGetFilename(".srm", SRAM_DIR));
if (Settings.ApplyCheats)
{
S9xLoadCheatFile(S9xGetFilename(".cht", CHEAT_DIR));
}
S9xParseArgsForCheats(argv, argc);
CPU.Flags = saved_flags;
Settings.StopEmulation = FALSE;
#ifdef DEBUGGER
struct sigaction sa;
sa.sa_handler = sigbrkhandler;
#ifdef SA_RESTART
sa.sa_flags = SA_RESTART;
#else
sa.sa_flags = 0;
#endif
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
#endif
S9xInitInputDevices();
S9xInitDisplay(argc, argv);
S9xSetupDefaultKeymap();
S9xTextMode();
#ifdef NETPLAY_SUPPORT
if (strlen(Settings.ServerName) == 0)
{
char *server = getenv("S9XSERVER");
if (server)
{
strncpy(Settings.ServerName, server, 127);
Settings.ServerName[127] = 0;
}
}
char *port = getenv("S9XPORT");
if (Settings.Port >= 0 && port)
Settings.Port = atoi(port);
else
if (Settings.Port < 0)
Settings.Port = -Settings.Port;
if (Settings.NetPlay)
{
NetPlay.MaxFrameSkip = 10;
unixSettings.rewindBufferSize = 0;
if (!S9xNPConnectToServer(Settings.ServerName, Settings.Port, Memory.ROMName))
{
fprintf(stderr, "Failed to connect to server %s on port %d.\n", Settings.ServerName, Settings.Port);
S9xExit();
}
fprintf(stderr, "Connected to server %s on port %d as player #%d playing %s.\n", Settings.ServerName, Settings.Port, NetPlay.Player, Memory.ROMName);
}
#endif
if (play_smv_filename)
{
uint32 flags = CPU.Flags & (DEBUG_MODE_FLAG | TRACE_FLAG);
if (S9xMovieOpen(play_smv_filename, TRUE) != SUCCESS)
exit(1);
CPU.Flags |= flags;
}
else
if (record_smv_filename)
{
uint32 flags = CPU.Flags & (DEBUG_MODE_FLAG | TRACE_FLAG);
if (S9xMovieCreate(record_smv_filename, 0xFF, MOVIE_OPT_FROM_RESET, NULL, 0) != SUCCESS)
exit(1);
CPU.Flags |= flags;
}
else
{
if (snapshot_filename)
{
uint32 flags = CPU.Flags & (DEBUG_MODE_FLAG | TRACE_FLAG);
if (!S9xUnfreezeGame(snapshot_filename))
exit(1);
CPU.Flags |= flags;
}
if (unixSettings.rewindBufferSize)
{
stateMan.init(unixSettings.rewindBufferSize * 1024 * 1024);
}
}
S9xGraphicsMode();
sprintf(String, "\"%s\" %s: %s", Memory.ROMName, TITLE, VERSION);
S9xSetTitle(String);
#ifdef JOYSTICK_SUPPORT
uint32 JoypadSkip = 0;
#endif
InitTimer();
S9xSetSoundMute(FALSE);
#ifdef NETPLAY_SUPPORT
bool8 NP_Activated = Settings.NetPlay;
#endif
while (1)
{
#ifdef NETPLAY_SUPPORT
if (NP_Activated)
{
if (NetPlay.PendingWait4Sync && !S9xNPWaitForHeartBeatDelay(100))
{
S9xProcessEvents(FALSE);
continue;
}
for (int J = 0; J < 8; J++)
old_joypads[J] = MovieGetJoypad(J);
for (int J = 0; J < 8; J++)
MovieSetJoypad(J, joypads[J]);
if (NetPlay.Connected)
{
if (NetPlay.PendingWait4Sync)
{
NetPlay.PendingWait4Sync = FALSE;
NetPlay.FrameCount++;
S9xNPStepJoypadHistory();
}
}
else
{
fprintf(stderr, "Lost connection to server.\n");
S9xExit();
}
}
#endif
#ifdef DEBUGGER
if (!Settings.Paused || (CPU.Flags & (DEBUG_MODE_FLAG | SINGLE_STEP_FLAG)))
#else
if (!Settings.Paused)
#endif
{
if(rewinding)
{
uint16 joypads[8];
for (int i = 0; i < 8; i++)
joypads[i] = MovieGetJoypad(i);
rewinding = stateMan.pop();
for (int i = 0; i < 8; i++)
MovieSetJoypad (i, joypads[i]);
}
else if(IPPU.TotalEmulatedFrames % unixSettings.rewindGranularity == 0)
stateMan.push();
S9xMainLoop();
}
if (Settings.Paused && frame_advance)
{
S9xMainLoop();
frame_advance = 0;
}
#ifdef NETPLAY_SUPPORT
if (NP_Activated)
{
for (int J = 0; J < 8; J++)
MovieSetJoypad(J, old_joypads[J]);
}
#endif
#ifdef DEBUGGER
if (Settings.Paused || (CPU.Flags & DEBUG_MODE_FLAG))
#else
if (Settings.Paused)
#endif
S9xSetSoundMute(TRUE);
#ifdef DEBUGGER
if (CPU.Flags & DEBUG_MODE_FLAG)
S9xDoDebug();
else
#endif
if (Settings.Paused)
{
S9xProcessEvents(FALSE);
usleep(100000);
}
#ifdef JOYSTICK_SUPPORT
if (unixSettings.JoystickEnabled && (JoypadSkip++ & 1) == 0)
ReadJoysticks();
#endif
S9xProcessEvents(FALSE);
#ifdef DEBUGGER
if (!Settings.Paused && !(CPU.Flags & DEBUG_MODE_FLAG))
#else
if (!Settings.Paused)
#endif
S9xSetSoundMute(FALSE);
}
return (0);
}
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