typedef	struct {
	unsigned short	head;
	unsigned short	cntl;
	unsigned short	dsp_x_pos;
	unsigned short	dsp_y_pos;
	unsigned short	dsp_xy_size;
	unsigned short	src_xy_pos;
	unsigned short	z;
	unsigned short	src_xy_size;
	short			src_x_off;
	short			src_y_off;
	short			src_x_scan;
	short			src_y_scan;
	unsigned short	pt_bank_sel;
	unsigned short	pt_off_addr;
	unsigned short	reserved1;
	unsigned short	reserved2;
} ASLSct;
