port: allow running without a crash handler

--no-crash-handler

port/include/system.h

@@ -13,7 +13,8 @@ enum LogLevel {
   LOG_ERROR,
 };
 
-void sysInit(s32 argc, const char **argv);
+void sysInitArgs(s32 argc, const char **argv);
+void sysInit(void);
 
 s32 sysArgCheck(const char *arg);
 const char *sysArgGetString(const char *arg);

port/src/main.c

@@ -85,8 +85,13 @@ static void gameLoadConfig(void)
 
 int main(int argc, const char **argv)
 {
-	crashInit();
-	sysInit(argc, argv);
+	sysInitArgs(argc, argv);
+
+	if (!sysArgCheck("--no-crash-handler")) {
+		crashInit();
+	}
+
+	sysInit();
 	fsInit();
 	configInit();
 	videoInit();

port/src/system.c

@@ -19,12 +19,15 @@ static char logPath[2048];
 static s32 sysArgc;
 static const char **sysArgv;
 
-void sysInit(s32 argc, const char **argv)
+void sysInitArgs(s32 argc, const char **argv)
 {
-	startTick = sysGetMicroseconds();
-
 	sysArgc = argc;
 	sysArgv = argv;
+}
+
+void sysInit(void)
+{
+	startTick = sysGetMicroseconds();
 
 	if (sysArgCheck("--log")) {
 		// figure out where the log is and clear it