initial pocketsnes commit

1 files changed, 655 insertions, 0 deletions

diff --git a/src/snes9x.cpp b/src/snes9x.cpp
new file mode 100644
index 0000000..36e3f44
--- /dev/null
+++ b/src/snes9x.cpp
@@ -0,0 +1,655 @@
+/*
+ * Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
+ *
+ * (c) Copyright 1996 - 2001 Gary Henderson (gary.henderson@ntlworld.com) and
+ *                           Jerremy Koot (jkoot@snes9x.com)
+ *
+ * Super FX C emulator code 
+ * (c) Copyright 1997 - 1999 Ivar (ivar@snes9x.com) and
+ *                           Gary Henderson.
+ * Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_.
+ *
+ * DSP1 emulator code (c) Copyright 1998 Ivar, _Demo_ and Gary Henderson.
+ * C4 asm and some C emulation code (c) Copyright 2000 zsKnight and _Demo_.
+ * C4 C code (c) Copyright 2001 Gary Henderson (gary.henderson@ntlworld.com).
+ *
+ * DOS port code contains the works of other authors. See headers in
+ * individual files.
+ *
+ * Snes9x homepage: http://www.snes9x.com
+ *
+ * Permission to use, copy, modify and distribute Snes9x in both binary and
+ * source form, for non-commercial purposes, is hereby granted without fee,
+ * providing that this license information and copyright notice appear with
+ * all copies and any derived work.
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event shall the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Snes9x is freeware for PERSONAL USE only. Commercial users should
+ * seek permission of the copyright holders first. Commercial use includes
+ * charging money for Snes9x or software derived from Snes9x.
+ *
+ * The copyright holders request that bug fixes and improvements to the code
+ * should be forwarded to them so everyone can benefit from the modifications
+ * in future versions.
+ *
+ * Super NES and Super Nintendo Entertainment System are trademarks of
+ * Nintendo Co., Limited and its subsidiary companies.
+ */
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "snes9x.h"
+#include "memmap.h"
+#include "display.h"
+#include "cheats.h"
+
+#ifdef DEBUGGER
+extern FILE *trace;
+#endif
+
+void S9xUsage ()
+{
+    S9xMessage (S9X_INFO, S9X_USAGE, "snes9x: S9xUsage: snes9x <options> <rom image filename>\n\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "Where <options> can be:\n");
+    
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-cycles or -h <num>       Percentage of CPU cycles to execute every scan line (default 90)\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-frameskip or -f <num>    Screen update frame skip rate (default 2)\n");
+    S9xExtraUsage ();
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-forcehirom or -F or -FH  Force Hi-ROM memory map, useful for hacked ROM imagess.\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-forcelorom or -FL        Force Lo-ROM memory map, useful for hacked ROM images.\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-old or -o                Enable old-style SNES joypad emulation\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-noold or -no             Disbale old-style SNES joypad emulation\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-soundskip or -ss <num>   Sound CPU skip-waiting method, 0 - 3 (default 0)\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-sound or -S              Enable digital sound output (default: enabled)\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-nosound or -NS           Disable digital sound output\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-sound or -S              Enable digital sound output (default: off)\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-soundquality or -r <num> Sound sample playback rate/quality, 0-7 (default 4)\n");
+
+#ifdef __sgi
+/* BS: changed the sample rate values to match the IRIX options */
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+                          0 - off, 1 - 8192, 2 - 11025, 3 - 16000,\n\
+                          4 - 22050 (default), 5 - 32000, 6 - 44100,\n\
+                          7 - 48000\n");
+#else
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+                          0 - off, 1 - 8192, 2 - 11025, 3 - 16500,\n\
+                          4 - 22050 (default), 5 - 29300, 6 - 36600,\n\
+                          7 - 44000\n");
+#endif
+
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-stereo                   Enable stereo sound (default: mono sound)\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-mono                     Enable mono sound (default: mono sound)\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-buffersize or -B         Sound playback buffer size (default auto for playback rate)\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-nospeedhacks or -N       Disable some internal speed ups that break a few  ROMs\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-speedhacks or -SH        Enable some internal speed ups that break a few ROMs\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-loadsnapshot or -l <filename>\n\
+                          Load saved game position snapshot file & required ROM\n\
+                          image.\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-swapjoypads or -s        Swap joypad 1 and 2 around\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-pal or -p                Fool ROM into thinking that this is a PAL SNES system\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-ntsc or -n               Fool ROM into thinking that this is a NTCS SNES system\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-interleaved or -i        ROM image is in interleaved format.\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-interleaved2 or -i2      ROM image is in interleaved 2 format\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-nohdma or -H             Disable H-DMA emulation (default: enabled)\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-hdma or -NH              Enable H-DMA emulation (default: enabled)\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-layering or -L           Swap some background priority levels - helps some games\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-graphicwindows           Enable graphic window effects (default: enabled)\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-nographicwindows or -nw  Disable graphic window effects (default: enabled)\n");
+#ifdef DEBUGGER
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-noirq or -I              Disable processor IRQ (for debugging)\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-debug or -d              Enter debug mode once ROM has loaded\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-trace or -t              Trace CPU instructions to file (WARNING: file gets very large!)\n");
+#endif    
+
+#ifdef JOYSTICK_SUPPORT
+#ifdef __linux
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-joydevX /dev/jsY         Use joystick device /dev/jsY for emulation of gamepad X\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-joymapX 0 1 2 3 4 5 6 7  Joystick buttons which should be assigned to gamepad X - A B X Y TL TR Start and Select\n");
+#else
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-four or -4               Single standard PC joystick has four buttons\n");
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-six or -6                Single standard PC joystick has six buttons\n");
+#endif
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+-nojoy or -j              Disable joystick support\n");
+#endif    
+
+    S9xMessage (S9X_INFO, S9X_USAGE, "\
+\nROM image needs to be in Super MagiCom (*.smc), Super FamiCom (*.sfc),\n\
+*.fig, or split (*.1, *.2, or sf32527a, sf32527b, etc) format and can be\n\
+compressed with gzip or compress.\n");
+
+    exit (1);
+}
+
+#ifdef STORM
+extern int dofps;
+extern int hicolor;
+extern int secondjoy;
+extern int minimal;
+int prelude=0;
+extern int unit;
+#endif
+
+char *S9xParseArgs (char **argv, int argc)
+{
+    char *rom_filename = NULL;
+
+    for (int i = 1; i < argc; i++)
+    {
+	if (*argv[i] == '-')
+	{
+	    if (strcasecmp (argv [i], "-so") == 0 ||
+		     strcasecmp (argv [i], "-sound") == 0)
+	    {
+		Settings.NextAPUEnabled = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-ns") == 0 ||
+		     strcasecmp (argv [i], "-nosound") == 0)
+	    {
+		Settings.NextAPUEnabled = FALSE;
+	    }
+	    else if (strcasecmp (argv [i], "-soundskip") == 0 ||
+		     strcasecmp (argv [i], "-sk") == 0)
+	    {
+		if (i + 1 < argc)
+		    Settings.SoundSkipMethod = atoi (argv [++i]);
+		else
+		    S9xUsage ();
+	    }
+	    else if (strcasecmp (argv [i], "-ra") == 0 ||
+		     strcasecmp (argv [i], "-ratio") == 0)
+	    {
+		if (i + 1 < argc)
+		{
+		}
+		else
+		    S9xUsage ();
+	    }
+	    else if (strcasecmp (argv [i], "-h") == 0 ||
+		     strcasecmp (argv [i], "-cycles") == 0)
+	    {
+		if (i + 1 < argc)
+		{
+		    int p = atoi (argv [++i]);
+		    if (p > 0 && p < 200)
+			Settings.CyclesPercentage = p;
+		}
+		else
+		    S9xUsage ();
+	    }
+	    else if (strcasecmp (argv [i], "-nh") == 0 ||
+		     strcasecmp (argv [i], "-nohdma") == 0)
+	    {
+		Settings.DisableHDMA = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-ha") == 0 ||
+		     strcasecmp (argv [i], "-hdma") == 0)
+	    {
+		Settings.DisableHDMA = FALSE;
+	    }
+	    else if (strcasecmp (argv [i], "-n") == 0 ||
+		     strcasecmp (argv [i], "-nospeedhacks") == 0)
+	    {
+		Settings.ShutdownMaster = FALSE;
+	    }
+	    else if (strcasecmp (argv [i], "-sh") == 0 ||
+		     strcasecmp (argv [i], "-speedhacks") == 0)
+	    {
+		Settings.ShutdownMaster = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-p") == 0 ||
+		     strcasecmp (argv [i], "-pal") == 0)
+	    {
+		Settings.ForcePAL = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-n") == 0 ||
+		     strcasecmp (argv [i], "-ntsc") == 0)
+	    {
+		Settings.ForceNTSC = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-f") == 0 ||
+		     strcasecmp (argv [i], "-frameskip") == 0)
+	    {
+		if (i + 1 < argc)
+		    Settings.SkipFrames = atoi (argv [++i]) + 1;
+		else
+		    S9xUsage ();
+	    }
+	    else if (strcasecmp (argv [i], "-fh") == 0 ||
+		     strcasecmp (argv [i], "-hr") == 0 ||
+		     strcasecmp (argv [i], "-hirom") == 0)
+		Settings.ForceHiROM = TRUE;
+	    else if (strcasecmp (argv [i], "-fl") == 0 ||
+		     strcasecmp (argv [i], "-lr") == 0 ||
+		     strcasecmp (argv [i], "-lorom") == 0)
+		Settings.ForceLoROM = TRUE;
+	    else if (strcasecmp (argv [i], "-hd") == 0 ||
+		     strcasecmp (argv [i], "-header") == 0 ||
+		     strcasecmp (argv [i], "-he") == 0)
+	    {
+		Settings.ForceHeader = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-nhd") == 0 ||
+		     strcasecmp (argv [i], "-noheader") == 0)
+	    {
+		Settings.ForceNoHeader = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-bs") == 0)
+	    {
+		Settings.BS = TRUE;
+	    }
+#ifdef DEBUGGER
+	    else if (strcasecmp (argv [i], "-d") == 0 ||
+		     strcasecmp (argv [i], "-debug") == 0)
+	    {
+		CPU.Flags |= DEBUG_MODE_FLAG;
+	    }
+	    else if (strcasecmp (argv [i], "-t") == 0 ||
+		     strcasecmp (argv [i], "-trace") == 0)
+	    {
+		trace = fopen ("trace.log", "wb");
+		CPU.Flags |= TRACE_FLAG;
+	    }
+#endif
+	    else if (strcasecmp (argv [i], "-L") == 0 ||
+		     strcasecmp (argv [i], "-layering") == 0)
+		Settings.BGLayering = TRUE;
+	    else if (strcasecmp (argv [i], "-nl") == 0 ||
+		     strcasecmp (argv [i], "-nolayering") == 0)
+		Settings.BGLayering = FALSE;
+	    else if (strcasecmp (argv [i], "-O") == 0 ||
+		     strcasecmp (argv [i], "-tileredraw") == 0)
+	    {
+	    }
+	    else if (strcasecmp (argv [i], "-no") == 0 ||
+		     strcasecmp (argv [i], "-lineredraw") == 0)
+	    {
+	    }
+	    else if (strcasecmp (argv [i], "-tr") == 0 ||
+		     strcasecmp (argv [i], "-transparency") == 0)
+	    {
+		Settings.ForceTransparency = TRUE;
+		Settings.ForceNoTransparency = FALSE;
+	    }
+	    else if (strcasecmp (argv [i], "-nt") == 0 ||
+		     strcasecmp (argv [i], "-notransparency") == 0)
+	    {
+		Settings.ForceNoTransparency = TRUE;
+		Settings.ForceTransparency = FALSE;
+	    }
+	    else if (strcasecmp (argv [i], "-hi") == 0 ||   
+		     strcasecmp (argv [i], "-hires") == 0)
+	    {
+		Settings.SupportHiRes = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-16") == 0 ||
+		     strcasecmp (argv [i], "-sixteen") == 0)
+	    {
+		Settings.SixteenBit = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-displayframerate") == 0 ||
+		     strcasecmp (argv [i], "-dfr") == 0)
+	    {
+		Settings.DisplayFrameRate = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-s") == 0 ||
+		     strcasecmp (argv [i], "-swapjoypads") == 0 ||
+		     strcasecmp (argv [i], "-sw") == 0)
+		Settings.SwapJoypads = TRUE;
+	    else if (strcasecmp (argv [i], "-i") == 0 ||
+		     strcasecmp (argv [i], "-interleaved") == 0)
+		Settings.ForceInterleaved = TRUE;
+	    else if (strcasecmp (argv [i], "-i2") == 0 ||
+		     strcasecmp (argv [i], "-interleaved2") == 0)
+		Settings.ForceInterleaved2 = TRUE;
+	    else if (strcasecmp (argv [i], "-ni") == 0 ||
+		     strcasecmp (argv [i], "-nointerleave") == 0)
+		Settings.ForceNotInterleaved = TRUE;
+	    else if (strcasecmp (argv [i], "-noirq") == 0)
+		Settings.DisableIRQ = TRUE;
+	    else if (strcasecmp (argv [i], "-nw") == 0 ||
+		     strcasecmp (argv [i], "-nowindows") == 0)
+	    {
+		Settings.DisableGraphicWindows = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-windows") == 0)
+	    {
+		Settings.DisableGraphicWindows = FALSE;
+	    }
+	    else if (strcasecmp (argv [i], "-im7") == 0)
+	    {
+		Settings.Mode7Interpolate = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-gg") == 0 ||
+		     strcasecmp (argv [i], "-gamegenie") == 0)
+	    {
+		if (i + 1 < argc)
+		{
+		    uint32 address;
+		    uint8 byte;
+		    const char *error;
+		    if ((error = S9xGameGenieToRaw (argv [++i], address, byte)) == NULL)
+			S9xAddCheat (TRUE, FALSE, address, byte);
+		    else
+			S9xMessage (S9X_ERROR, S9X_GAME_GENIE_CODE_ERROR,
+				    error);
+		}
+		else
+		    S9xUsage ();
+	    }
+	    else if (strcasecmp (argv [i], "-ar") == 0 ||
+		     strcasecmp (argv [i], "-actionreplay") == 0)
+	    {
+		if (i + 1 < argc)
+		{
+		    uint32 address;
+		    uint8 byte;
+		    const char *error;
+		    if ((error = S9xProActionReplayToRaw (argv [++i], address, byte)) == NULL)
+			S9xAddCheat (TRUE, FALSE, address, byte);
+		    else
+			S9xMessage (S9X_ERROR, S9X_ACTION_REPLY_CODE_ERROR,
+				    error);
+		}
+		else
+		    S9xUsage ();
+	    }
+	    else if (strcasecmp (argv [i], "-gf") == 0 ||
+		     strcasecmp (argv [i], "-goldfinger") == 0)
+	    {
+		if (i + 1 < argc)
+		{
+		    uint32 address;
+		    uint8 bytes [3];
+		    bool8 sram;
+		    uint8 num_bytes;
+		    const char *error;
+		    if ((error = S9xGoldFingerToRaw (argv [++i], address, sram,
+						     num_bytes, bytes)) == NULL)
+		    {
+			for (int c = 0; c < num_bytes; c++)
+			    S9xAddCheat (TRUE, FALSE, address + c, bytes [c]);
+		    }
+		    else
+			S9xMessage (S9X_ERROR, S9X_GOLD_FINGER_CODE_ERROR,
+				    error);
+		}
+		else
+		    S9xUsage ();
+	    }
+	    else if (strcasecmp (argv[i], "-ft") == 0 ||
+		     strcasecmp (argv [i], "-frametime") == 0)
+	    {
+		if (i + 1 < argc)
+		{
+		    double ft;
+		    if (sscanf (argv [++i], "%lf", &ft) == 1)
+		    {
+#ifdef __WIN32__
+			Settings.FrameTimePAL = (int32) (ft * 1000);
+			Settings.FrameTimeNTSC = (int32) (ft * 1000);
+#else
+			Settings.FrameTimePAL = (int32) ft;
+			Settings.FrameTimeNTSC = (int32) ft;
+#endif
+
+		    }
+		}
+		else
+		    S9xUsage ();
+	    }
+	    else if (strcasecmp (argv [i], "-e") == 0 ||
+		     strcasecmp (argv [i], "-echo") == 0)
+		Settings.DisableSoundEcho = FALSE;
+	    else if (strcasecmp (argv [i], "-ne") == 0 ||
+		     strcasecmp (argv [i], "-noecho") == 0)
+		Settings.DisableSoundEcho = TRUE;
+	    else if (strcasecmp (argv [i], "-r") == 0 ||
+		     strcasecmp (argv [i], "-soundquality") == 0 ||
+		     strcasecmp (argv [i], "-sq") == 0)
+	    {
+		if (i + 1 < argc)
+		    Settings.SoundPlaybackRate = atoi (argv [++i]) & 7;
+		else
+		    S9xUsage ();
+	    }
+	    else if (strcasecmp (argv [i], "-stereo") == 0 ||
+		     strcasecmp (argv [i], "-st") == 0)
+	    {
+		Settings.Stereo = TRUE;
+		Settings.APUEnabled = TRUE;
+		Settings.NextAPUEnabled = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-mono") == 0)
+	    {
+		Settings.Stereo = FALSE;
+		Settings.NextAPUEnabled = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-envx") == 0 ||
+		     strcasecmp (argv [i], "-ex") == 0)
+	    {
+		Settings.SoundEnvelopeHeightReading = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-nosamplecaching") == 0 ||
+		     strcasecmp (argv [i], "-nsc") == 0 ||
+		     strcasecmp (argv [i], "-nc") == 0)
+	    {
+		Settings.DisableSampleCaching = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-nomastervolume") == 0 ||
+		     strcasecmp (argv [i], "-nmv") == 0)
+	    {
+		Settings.DisableMasterVolume = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-soundsync") == 0 ||
+		     strcasecmp (argv [i], "-sy") == 0)
+	    {
+		Settings.SoundSync = TRUE;
+		Settings.SoundEnvelopeHeightReading = TRUE;
+		Settings.InterpolatedSound = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-soundsync2") == 0 ||
+		     strcasecmp (argv [i], "-sy2") == 0)
+	    {
+		Settings.SoundSync = 2;
+		Settings.SoundEnvelopeHeightReading = TRUE;
+		Settings.InterpolatedSound = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-interpolatedsound") == 0 ||
+		     strcasecmp (argv [i], "-is") == 0)
+	    {
+		Settings.InterpolatedSound = TRUE;
+	    }
+#ifdef USE_THREADS
+	    else if (strcasecmp (argv [i], "-threadsound") == 0 ||
+		     strcasecmp (argv [i], "-ts") == 0)
+	    {
+		Settings.ThreadSound = TRUE;
+	    }
+#endif
+	    else if (strcasecmp (argv [i], "-alt") == 0 ||
+		     strcasecmp (argv [i], "-altsampledecode") == 0)
+	    {
+		Settings.AltSampleDecode = 1;
+	    }
+	    else if (strcasecmp (argv [i], "-fix") == 0)
+	    {
+		Settings.FixFrequency = 1;
+	    }
+	    else if (strcasecmp (argv [i], "-nosuperfx") == 0 ||
+		     strcasecmp (argv [i], "-nosfx") == 0)
+		Settings.ForceNoSuperFX = TRUE;
+	    else if (strcasecmp (argv [i], "-superfx") == 0 ||
+		     strcasecmp (argv [i], "-sfx") == 0)
+		Settings.ForceSuperFX = TRUE;
+	    else if (strcasecmp (argv [i], "-dsp1") == 0)
+		Settings.ForceDSP1 = TRUE;
+	    else if (strcasecmp (argv [i], "-nodsp1") == 0)
+		Settings.ForceNoDSP1 = TRUE;
+	    else if (strcasecmp (argv [i], "-nomultiplayer5") == 0 ||
+		     strcasecmp (argv [i], "-nmp") == 0)
+		Settings.MultiPlayer5 = FALSE;
+	    else if (strcasecmp (argv [i], "-multiplayer5") == 0 ||
+		     strcasecmp (argv [i], "-mp") == 0)
+	    {
+		Settings.MultiPlayer5 = TRUE;
+		Settings.ControllerOption = SNES_MULTIPLAYER5;
+	    }
+	    else if (strcasecmp (argv [i], "-mouse") == 0 ||
+		     strcasecmp (argv [i], "-mo") == 0)
+	    {
+		Settings.ControllerOption = SNES_MOUSE_SWAPPED;
+		Settings.Mouse = TRUE;
+	    }
+	    else if (strcasecmp (argv [i], "-nomouse") == 0 ||
+		     strcasecmp (argv [i], "-nm") == 0)
+	    {
+		Settings.Mouse = FALSE;
+	    }
+	    else if (strcasecmp (argv [i], "-superscope") == 0 ||
+		     strcasecmp (argv [i], "-ss") == 0)
+	    {
+		Settings.SuperScope = TRUE;
+		Settings.ControllerOption = SNES_SUPERSCOPE;
+	    }
+	    else if (strcasecmp (argv [i], "-nosuperscope") == 0 ||
+		     strcasecmp (argv [i], "-nss") == 0)
+	    {
+		Settings.SuperScope = FALSE;
+	    }
+#ifdef NETPLAY_SUPPORT
+	    else if (strcasecmp (argv [i], "-port") == 0 ||
+		     strcasecmp (argv [i], "-po") == 0)
+	    {
+		if (i + 1 < argc)
+		{
+		    Settings.NetPlay = TRUE;
+		    Settings.Port = -atoi (argv [++i]);
+		}
+		else
+		    S9xUsage ();
+	    }
+	    else if (strcasecmp (argv [i], "-server") == 0 ||
+		     strcasecmp (argv [i], "-srv") == 0)
+	    {
+		if (i + 1 < argc)
+		{
+		    Settings.NetPlay = TRUE;
+		    strncpy (Settings.ServerName, argv [++i], 127);
+		    Settings.ServerName [127] = 0;
+		}
+		else
+		    S9xUsage ();
+	    }
+	    else if (strcasecmp (argv [i], "-net") == 0)
+	    {
+		Settings.NetPlay = TRUE;
+	    }
+#endif
+#ifdef STORM
+            else if (strcasecmp(argv[i],"-nosecondjoy")==0){secondjoy=0;}
+            else if (strcasecmp(argv[i],"-showfps")==0){dofps=1;}
+            else if (strcasecmp(argv[i],"-hicolor")==0){hicolor=1;}
+            else if (strcasecmp(argv[i],"-minimal")==0){minimal=1;printf("Keyboard with exception of ESC switched off!\n");}
+            else if (strcasecmp(argv[i],"-ahiunit")==0)
+            {
+             if (i+1<argc)
+             {
+              fprintf(stderr,"AHI Unit set to: Unit %i\n",atoi(argv[++i]));
+              unit=atoi(argv[++i]);
+             }
+            }
+#endif
+
+	    else
+		S9xParseArg (argv, i, argc);
+	}
+	else
+	    rom_filename = argv [i];
+    }
+
+    return (rom_filename);
+}
+
+void S9xParseCheatsFile (const char *rom_filename)
+{
+    FILE *f;
+    char dir [_MAX_DIR];
+    char drive [_MAX_DRIVE];
+    char name [_MAX_FNAME];
+    char ext [_MAX_EXT];
+    char fname [_MAX_PATH];
+    char buf [80];
+    uint32 address;
+    uint8 byte;
+    uint8 bytes [3];
+    bool8 sram;
+    uint8 num_bytes;
+    const char *error;
+    char *p;
+
+    _splitpath (rom_filename, drive, dir, name, ext);
+    _makepath (fname, drive, dir, name, "pat");
+
+    if ((f = fopen(fname, "r")) != NULL)
+    {
+        while(fgets(buf, 80, f) != NULL)
+        {
+	    if ((p = strrchr (buf, '\n')) != NULL) 
+		*p = '\0';
+/*	    if (((error = S9xGameGenieToRaw (buf, address, byte)) == NULL) ||
+		((error = S9xProActionReplayToRaw (buf, address, byte)) == NULL))
+	    {
+		S9xAddCheat (TRUE, FALSE, address, byte);
+	    }
+	    else
+	    if ((error = S9xGoldFingerToRaw (buf, address, sram,
+					     num_bytes, bytes)) == NULL)
+	    {
+		for (int c = 0; c < num_bytes; c++)
+		    S9xAddCheat (TRUE, FALSE, address + c, bytes [c]);
+	    }
+	    else
+		S9xMessage (S9X_ERROR, S9X_GAME_GENIE_CODE_ERROR, error);*/
+        }
+        fclose(f);
+    }
+}