#define	UNIT	1048576		/* 1 fixpoint real = 2^20 */
#define	VFRATIO	UNIT

#define	VSY	2
#define	VHIRA	3
#define	VKATA	4

enum vop {
    vop_shift,
    vop_rot,
    vop_mirror,
};
struct vchar {
    int cc;
    int f, c;
    enum vop op;
    int x, y;
};