diff --git a/libs/arcadeshield/arcadegamepad.h b/libs/arcadeshield/arcadegamepad.h
new file mode 100644
index 00000000000..bcfe4577511
--- /dev/null
+++ b/libs/arcadeshield/arcadegamepad.h
@@ -0,0 +1,49 @@
+// Autogenerated C header file for Arcade Gamepad
+#ifndef _JACDAC_SPEC_ARCADE_GAMEPAD_H
+#define _JACDAC_SPEC_ARCADE_GAMEPAD_H 1
+
+#define JD_SERVICE_CLASS_ARCADE_GAMEPAD  0x1deaa06e
+
+// enum Button (uint8_t)
+#define JD_ARCADE_GAMEPAD_BUTTON_LEFT 0x1
+#define JD_ARCADE_GAMEPAD_BUTTON_UP 0x2
+#define JD_ARCADE_GAMEPAD_BUTTON_RIGHT 0x3
+#define JD_ARCADE_GAMEPAD_BUTTON_DOWN 0x4
+#define JD_ARCADE_GAMEPAD_BUTTON_A 0x5
+#define JD_ARCADE_GAMEPAD_BUTTON_B 0x6
+#define JD_ARCADE_GAMEPAD_BUTTON_MENU 0x7
+#define JD_ARCADE_GAMEPAD_BUTTON_SELECT 0x8
+#define JD_ARCADE_GAMEPAD_BUTTON_RESET 0x9
+#define JD_ARCADE_GAMEPAD_BUTTON_EXIT 0xa
+
+/**
+ * Indicates which buttons are currently active (pressed).
+ * `pressure` should be `0xff` for digital buttons, and proportional for analog ones.
+ */
+#define JD_ARCADE_GAMEPAD_REG_BUTTONS JD_REG_READING
+typedef struct jd_arcade_gamepad_buttons {
+    uint8_t button;  // Button
+    uint8_t pressure;  // ratio u0.8
+} jd_arcade_gamepad_buttons_t;
+
+
+/**
+ * Constant. Indicates number of players supported and which buttons are present on the controller.
+ */
+#define JD_ARCADE_GAMEPAD_REG_AVAILABLE_BUTTONS 0x180
+typedef struct jd_arcade_gamepad_available_buttons {
+    uint8_t button[0];  // Button
+} jd_arcade_gamepad_available_buttons_t;
+
+
+/**
+ * Argument: button Button (uint8_t). Emitted when button goes from inactive to active.
+ */
+#define JD_ARCADE_GAMEPAD_EV_DOWN JD_EV_ACTIVE
+
+/**
+ * Argument: button Button (uint8_t). Emitted when button goes from active to inactive.
+ */
+#define JD_ARCADE_GAMEPAD_EV_UP JD_EV_INACTIVE
+
+#endif