unsigned int read_screenbase : 1;
unsigned int bilinear : 1;
unsigned int dither : 1;
unsigned int diffusion : 1;
unsigned int horz_fill : 1;
unsigned int vert_fill : 1;
unsigned int read_palette : 1;
unsigned int use_osspriteop : 1;
unsigned int background : 24;
unsigned int next;
char name[12];
unsigned int width;
unsigned int height;
unsigned int firstbit;
unsigned int lastbit;
unsigned int offset1;
unsigned int offset2;
unsigned int type;