typedef struct SprSpCmd {                 /*     Sprite Command Table             */
     Uint16  control;                     /*     control word                     */
     Uint16 link; / * command link * /
     Uint16  drowMode;                    /*     drow mode                        */
     Uint16  color;                       /*     color info.                      */
     Uint16  charAddr;                    /*     character address                */
     Uint16  charSize;                    /*     character size                   */
     Sint16   ax;                         /*     point A x                        */
     Sint16   ay;                         /*     point A y                        */
     Sint16   bx;                         /*     point B x                        */
     Sint16   by;                         /*     point B y                        */
     Sint16   cx;                         /*     point C x                        */
     Sint16   cy;                         /*     point C y                        */
     Sint16   dx;                         /*     point D x                        */
     Sint16   dy;                         /*     point D y                        */
     Uint16  grshAddr;                    /*     gouraud shading table address    */
     Uint16  dummy;                       /*     dummy area                       */
} SprSpCmd;