Something

typedef union {
@@	DWORD Value;
	struct {
		unsigned R_DPAD       : 1;
		unsigned L_DPAD       : 1;
		unsigned D_DPAD       : 1;
		unsigned U_DPAD       : 1;
		unsigned START_BUTTON : 1;
		unsigned Z_TRIG       : 1;
		unsigned B_BUTTON     : 1;
		unsigned A_BUTTON     : 1;

		unsigned R_CBUTTON    : 1;
		unsigned L_CBUTTON    : 1;
		unsigned D_CBUTTON    : 1;
		unsigned U_CBUTTON    : 1;
		unsigned R_TRIG       : 1;
		unsigned L_TRIG       : 1;
		unsigned Reserved1    : 1;
		unsigned Reserved2    : 1;

		signed   Y_AXIS       : 8;

		signed   X_AXIS       : 8;
	};
} BUTTONS;