Added some code

source/main.c

@@ -0,0 +1,53 @@
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+
+#include <3ds.h>
+#include <sf2d.h>
+#include <sftd.h>
+
+#include <lua.h>
+#include <lauxlib.h>
+
+#define BOOT_FILE "/ctruLua/main.lua"
+
+int load_ctr_lib(lua_State *L);
+
+// Display an error
+void error(char *error) {
+	gfxInitDefault();
+
+	consoleInit(GFX_TOP, NULL);
+	printf("------------------ FATAL ERROR -------------------");
+	printf(error);
+	printf("\n--------------------------------------------------");
+	printf("Please exit ctruLua by pressing the home button.");
+
+	while (aptMainLoop()) {
+		gfxFlushBuffers();
+		gfxSwapBuffers();
+		gspWaitForVBlank();
+	}
+}
+
+// Main loop
+int main() {
+	// Init GFX
+	sf2d_init();
+	sftd_init();
+	//sf2d_set_3d(true);
+
+	// Init Lua
+	lua_State *L = luaL_newstate();
+	if (L == NULL) error("memory allocation error while creating a new Lua state");
+	luaL_openlibs(L);
+	load_ctr_lib(L);
+
+	// Do the actual thing
+	luaL_dofile(L, BOOT_FILE);
+
+	// Un-init (?)
+	sftd_fini();
+	sf2d_fini();
+	return 0;
+}