/* vcsstub.h02 - Atari 2600 Program Stub              *
 * Usage:                                             *
 *   #include <vcsstub.h>                             *
 * Contains the start label required by vcsfoot.h02   *
 * Program must contain the following functions       *
 *   setup() - Program Startup Code                 
 *   vrtblk() - Code to Execute During Vertical Blank *
 *   kernel() - Kernel Code - Draws Screen            *
 *   ovrscn() - Code to Execute During Overscan       */