[nostalgia] Integrate Ox Preloader

src/nostalgia/player/app.cpp

@@ -45,6 +45,7 @@ ox::Error run(ox::UniquePtr<ox::FileSystem> fs) noexcept {
 	oxRequireM(ctx, core::init(std::move(fs)));
 	constexpr auto TileSheetAddr = "/TileSheets/Charset.ng";
 	constexpr auto PaletteAddr = "/Palettes/Charset.npal";
+	oxRequire(tsStat, ctx->rom->stat(PaletteAddr));
 	oxReturnError(core::loadSpriteTileSheet(ctx.get(), 0, TileSheetAddr, PaletteAddr));
 	oxReturnError(core::initConsole(ctx.get()));
 	core::puts(ctx.get(), 10, 9, "DOPENESS!!!");