int tx,ty; //appears to be the top left tile position on the viewable screen map\r
word dxThresh,dyThresh; //Threshold for physical tile switch\r
video_t *video; //pointer to game variables of the video\r
+ kurokku_t *kurokku; //pointer to game variables of the kurokku\r
nibble __near *p; // pointer to video's render page num\r
nibble __near *sp; // pointer to video's show page num\r
int dx, dy; // draw row and col var\r