bool S9xIsValidCheatCode(const char *codestring)
{
std::string codes(codestring);
if (codes.empty() || codes[codes.length() - 1] == '+')
return false; // std::getline cannot handle this case
std::istringstream iss(codes);
std::string code;
while(std::getline(iss, code, '+'))
{
uint32 address;
uint8 byte;
if (S9xProActionReplayToRaw(code.c_str(), address, byte) != NULL &&
S9xGameGenieToRaw(code.c_str(), address, byte) != NULL)
{
uint8 bytes[3];
uint8 num_bytes;
if (S9xGoldFingerToRaw(code.c_str(), address, num_bytes, bytes) != NULL)
return false; // invalid format
}
}
return true;
}
void retro_cheat_set(unsigned index, bool enabled, const char *code)
{
uint32 address;
uint8 val;
bool8 sram;
uint8 bytes[3];//used only by GoldFinger, ignored for now
if (S9xGameGenieToRaw(code, &address, &val)!=NULL &&
S9xProActionReplayToRaw(code, &address, &val)!=NULL &&
S9xGoldFingerToRaw(code, &address, &sram, &val, bytes)!=NULL)
{ // bad code, ignore
return;
}
if (index>Cheat.num_cheats) return; // cheat added in weird order, ignore
if (index==Cheat.num_cheats) Cheat.num_cheats++;
Cheat.c[index].address = address;
Cheat.c[index].byte = val;
Cheat.c[index].enabled = enabled;
Cheat.c[index].saved = FALSE; // it'll be saved next time cheats run anyways
Settings.ApplyCheats=true;
S9xApplyCheats();
}
static inline bool S9xCompileCheat(struct SCheatItem& cheat, bool8 save_current_value)
{
std::string codes(cheat.code);
std::vector<SCheat> cheatVector;
if (codes.empty() || codes[codes.length() - 1] == '+')
return false; // std::getline cannot handle this case
std::istringstream iss(codes);
std::string code;
while(std::getline(iss, code, '+'))
{
SCheat c;
if (S9xProActionReplayToRaw(code.c_str(), c.address, c.byte) == NULL ||
S9xGameGenieToRaw(code.c_str(), c.address, c.byte) == NULL)
{
c.saved = save_current_value;
if (c.saved) {
c.saved_byte = S9xGetByteFree(c.address);
}
cheatVector.push_back(c);
}
else
{
uint32 address;
uint8 bytes[3];
uint8 num_bytes;
if (S9xGoldFingerToRaw(code.c_str(), address, num_bytes, bytes) == NULL)
{
for (int i = 0; i < num_bytes; i++)
{
c.address = address + i;
c.byte = bytes[i];
c.saved = save_current_value;
if (c.saved) {
c.saved_byte = S9xGetByteFree(c.address);
}
cheatVector.push_back(c);
}
}
else
return false; // invalid format
}
}
cheat.c.clear();
copy(cheatVector.begin(), cheatVector.end(), std::back_inserter(cheat.c));
return true;
}
char * S9xParseArgs (char **argv, int argc)
{
for (int i = 1; i < argc; i++)
{
if (*argv[i] == '-')
{
if (!strcasecmp(argv[i], "-help"))
S9xUsage();
else
// SOUND OPTIONS
if (!strcasecmp(argv[i], "-soundsync"))
Settings.SoundSync = TRUE;
else
if (!strcasecmp(argv[i], "-playbackrate"))
{
if (i + 1 < argc)
{
Settings.SoundPlaybackRate = atoi(argv[++i]);
if (Settings.SoundPlaybackRate < 8192)
Settings.SoundPlaybackRate = 8192;
}
else
S9xUsage();
}
else
if (!strcasecmp(argv[i], "-inputrate"))
{
if (i + 1 < argc)
{
Settings.SoundInputRate = atoi(argv[++i]);
if (Settings.SoundInputRate < 8192)
Settings.SoundInputRate = 8192;
}
else
S9xUsage();
}
else
if (!strcasecmp(argv[i], "-reversestereo"))
Settings.ReverseStereo = TRUE;
else
if (!strcasecmp(argv[i], "-nostereo"))
Settings.Stereo = FALSE;
else
if (!strcasecmp(argv[i], "-eightbit"))
Settings.SixteenBitSound = FALSE;
else
if (!strcasecmp(argv[i], "-mute"))
Settings.Mute = TRUE;
else
// DISPLAY OPTIONS
if (!strcasecmp(argv[i], "-displayframerate"))
Settings.DisplayFrameRate = TRUE;
else
if (!strcasecmp(argv[i], "-displaykeypress"))
Settings.DisplayPressedKeys = TRUE;
else
if (!strcasecmp(argv[i], "-nohires"))
Settings.SupportHiRes = FALSE;
else
if (!strcasecmp(argv[i], "-notransparency"))
Settings.Transparency = FALSE;
else
if (!strcasecmp(argv[i], "-nowindows"))
Settings.DisableGraphicWindows = TRUE;
else
// CONTROLLER OPTIONS
if (!strcasecmp(argv[i], "-nomp5"))
Settings.MultiPlayer5Master = FALSE;
else
if (!strcasecmp(argv[i], "-nomouse"))
Settings.MouseMaster = FALSE;
else
if (!strcasecmp(argv[i], "-nosuperscope"))
Settings.SuperScopeMaster = FALSE;
else
if (!strcasecmp(argv[i], "-nojustifier"))
Settings.JustifierMaster = FALSE;
else
if (!strcasecmp(argv[i], "-port1") ||
!strcasecmp(argv[i], "-port2"))
{
if (i + 1 < argc)
{
i++;
if (!parse_controller_spec(argv[i - 1][5] - '1', argv[i]))
S9xUsage();
}
else
S9xUsage();
}
else
// ROM OPTIONS
if (!strcasecmp(argv[i], "-hirom"))
Settings.ForceHiROM = TRUE;
else
if (!strcasecmp(argv[i], "-lorom"))
Settings.ForceLoROM = TRUE;
else
if (!strcasecmp(argv[i], "-ntsc"))
Settings.ForceNTSC = TRUE;
else
if (!strcasecmp(argv[i], "-pal"))
Settings.ForcePAL = TRUE;
else
if (!strcasecmp(argv[i], "-nointerleave"))
Settings.ForceNotInterleaved = TRUE;
else
if (!strcasecmp(argv[i], "-interleaved"))
Settings.ForceInterleaved = TRUE;
else
if (!strcasecmp(argv[i], "-interleaved2"))
Settings.ForceInterleaved2 = TRUE;
else
if (!strcasecmp(argv[i], "-interleavedgd24"))
Settings.ForceInterleaveGD24 = TRUE;
else
if (!strcasecmp(argv[i], "-noheader"))
Settings.ForceNoHeader = TRUE;
else
if (!strcasecmp(argv[i], "-header"))
Settings.ForceHeader = TRUE;
else
if (!strcasecmp(argv[i], "-bsxbootup"))
Settings.BSXBootup = TRUE;
else
// PATCH/CHEAT OPTIONS
if (!strcasecmp(argv[i], "-nopatch"))
Settings.NoPatch = TRUE;
else
if (!strcasecmp(argv[i], "-cheat"))
Settings.ApplyCheats = TRUE;
else
if (!strcasecmp(argv[i], "-gamegenie"))
{
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], "-actionreplay"))
{
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], "-goldfinger"))
{
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
// NETPLAY OPTIONS
#ifdef NETPLAY_SUPPORT
if (!strcasecmp(argv[i], "-net"))
Settings.NetPlay = TRUE;
else
if (!strcasecmp(argv[i], "-port"))
{
if (i + 1 < argc)
Settings.Port = -atoi(argv[++i]);
else
S9xUsage();
}
else
if (!strcasecmp(argv[i], "-server"))
{
if (i + 1 < argc)
{
strncpy(Settings.ServerName, argv[++i], 127);
Settings.ServerName[127] = 0;
}
else
S9xUsage();
}
else
#endif
// HACKING OR DEBUGGING OPTIONS
#ifdef DEBUGGER
if (!strcasecmp(argv[i], "-debug"))
CPU.Flags |= DEBUG_MODE_FLAG;
else
if (!strcasecmp(argv[i], "-trace"))
{
ENSURE_TRACE_OPEN(trace,"trace.log","wb")
CPU.Flags |= TRACE_FLAG;
}
else
#endif
if (!strcasecmp(argv[i], "-hdmatiming"))
{
if (i + 1 < argc)
{
int p = atoi(argv[++i]);
if (p > 0 && p < 200)
Settings.HDMATimingHack = p;
}
else
S9xUsage();
}
else
if (!strcasecmp(argv[i], "-invalidvramaccess"))
Settings.BlockInvalidVRAMAccessMaster = FALSE;
else
// OTHER OPTIONS
if (!strcasecmp(argv[i], "-frameskip"))
{
if (i + 1 < argc)
Settings.SkipFrames = atoi(argv[++i]) + 1;
else
S9xUsage();
}
else
if (!strcasecmp(argv[i], "-frametime"))
{
if (i + 1 < argc)
Settings.FrameTimePAL = Settings.FrameTimeNTSC = atoi(argv[++i]);
else
S9xUsage();
}
else
if (!strcasecmp(argv[i], "-upanddown"))
Settings.UpAndDown = TRUE;
else
if (!strcasecmp(argv[i], "-conf"))
{
if (++i >= argc)
S9xUsage();
// Else do nothing, S9xLoadConfigFiles() handled it.
}
else
if (!strcasecmp(argv[i], "-nostdconf"))
{
// Do nothing, S9xLoadConfigFiles() handled it.
}
else
S9xParseArg(argv, i, argc);
}
else
rom_filename = argv[i];
}
S9xVerifyControllers();
return (rom_filename);
}
