diff --git a/Inc/sprites.h b/Inc/sprites.h
index 0d2bd4c..be75989 100644
--- a/Inc/sprites.h
+++ b/Inc/sprites.h
@@ -1,13 +1,18 @@
-#include "stm32f4xx_hal.h"
-
-typedef struct {
-    const uint8_t width;
-    const uint8_t height;
-    const uint8_t *buffer;
-} SpriteDef;
-
-extern SpriteDef sprite_0;
-extern SpriteDef sprite_1;
-extern SpriteDef sprite_2;
-extern SpriteDef sprite_3;
-extern SpriteDef sprite_4;
+#include "stm32f4xx_hal.h"
+
+typedef struct {
+    const uint8_t width;
+    const uint8_t height;
+    const uint8_t *buffer;
+} SpriteDef;
+
+typedef struct {
+    uint8_t frames;
+    SpriteDef sprite[];
+} AnimationDef;
+
+extern SpriteDef sprite_0;
+extern SpriteDef sprite_1;
+extern SpriteDef sprite_2;
+extern SpriteDef sprite_3;
+extern SpriteDef sprite_4;
diff --git a/Src/ssd1306.c b/Src/ssd1306.c
index ef60dea..6c7bf83 100644
--- a/Src/ssd1306.c
+++ b/Src/ssd1306.c
@@ -58,12 +58,11 @@ void drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1)
 }
 
 static int anim = 1;
-static x = 0;
+static int x = 0;
 
 void ssd1306_LoadImage(void) {
    //memcpy(SSD1306_Buffer, image, 1024);
    fastlz_decompress(image, 1024, SSD1306_Buffer, 1024); 
-   //size = fastlz_compress(a, 1024, b);
 }
 
 void ssd1306_DrawSprite(SpriteDef *sprite, int8_t x, int8_t y) {