--- a/ds.h
+++ b/ds.h
@@ -5,18 +5,37 @@
 
 
 /* Describe Device */
-typedef struct ds_s{
-    uint8_t A:1;      /* Pressed or held buttons */
-    uint8_t B:1;
-    uint8_t X:1;
-    uint8_t Y:1;
-    uint8_t L:1;
-    uint8_t R:1;
-    uint8_t Start:1;
-    uint8_t Select:1;
-    uint8_t aX;
-    uint8_t aY;
-} __attribute__((packed)) ds_t;
+typedef union {
+    uint32_t hex;
+    struct {
+        uint32_t a:1;      /* Pressed or held buttons */
+        uint32_t b:1;
+        uint32_t select:1;
+        uint32_t start:1;
+        uint32_t right:1;
+        uint32_t left:1;
+        uint32_t up:1;
+        uint32_t down:1;
+        uint32_t r:1;
+        uint32_t l:1;
+        uint32_t x:1;
+        uint32_t y:1;
+        uint32_t padding1:2;
+        uint32_t zl:1;
+        uint32_t zr:1;
+        uint32_t padding2:4;
+        uint32_t touch:1;
+        uint32_t padding3:3;
+        uint32_t c_right:1;
+        uint32_t c_left:1;
+        uint32_t c_up:1;
+        uint32_t c_down:1;
+        uint32_t circle_right:1;
+        uint32_t circle_left:1;
+        uint32_t circle_up:1;
+        uint32_t circle_down:1;
+    } __attribute__((packed));
+} ds_t;
 
 
 /*