diff --git a/dat.h b/dat.h
index 6457e27..4254bd2 100644
--- a/dat.h
+++ b/dat.h
@@ -21,6 +21,7 @@ struct Image {
 struct State {
 	SDL_Window *win;
 	SDL_Renderer *ren;
+	Uint64 lastframe;
 
 	Samply *sam;
 };
diff --git a/slutpet.c b/slutpet.c
index 17b6b7d..883cd73 100644
--- a/slutpet.c
+++ b/slutpet.c
@@ -47,15 +47,24 @@ SDL_AppResult
 SDL_AppIterate(void *as)
 {
 	State *st = as;
+	SDL_Texture *tx;
+	Uint64 ms;
 
 	SDL_SetRenderDrawColor(st->ren, 0, 0, 0, SDL_ALPHA_TRANSPARENT);
 	SDL_RenderClear(st->ren);
 
-	if (SDL_RenderTexture(st->ren, st->sam->idle->tex, NULL, NULL) == false) {
+	ms = SDL_GetTicks();
+	if ((ms / 100) % 2)
+		tx = st->sam->walka->tex;
+	else
+		tx = st->sam->walkb->tex;
+
+	if (SDL_RenderTexture(st->ren, tx, NULL, NULL) == false) {
 		fuck("rendertexture fail: %s", SDL_GetError());
 		return SDL_APP_FAILURE;
 	}
 	SDL_RenderPresent(st->ren);
+	st->lastframe = SDL_GetTicks();
 	return SDL_APP_CONTINUE;
 }
 
@@ -80,6 +89,8 @@ SDL_AppInit(void **as, int argc, char **argv)
 
 	SDL_SetHint(SDL_HINT_X11_FORCE_OVERRIDE_REDIRECT, "1");
 
+	st->lastframe = SDL_GetTicks();
+
 	babble("create win+render...");
 	if (!SDL_CreateWindowAndRenderer("slutpet", 320, 320,
 				SDL_WINDOW_TRANSPARENT | SDL_WINDOW_BORDERLESS
@@ -98,5 +109,6 @@ SDL_AppInit(void **as, int argc, char **argv)
 	}
 
 	babble("hi!!");
+	babble("program startup took %llums!", SDL_GetTicks());
 	return SDL_APP_CONTINUE;
 }