git.sur5r.net Git - cc65/blob - include/_riot.h

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /* Atari VCS 2600 RIOT registers addresses                                   */
   4 /*                                                                           */
   5 /* Source: DASM - vcs.h                                                      */
   6 /*                                                                           */
   7 /* Florent Flament (contact@florentflament.com), 2017                        */
   8 /*                                                                           */
   9 /*****************************************************************************/
  10
  11 /* RIOT registers */
  12 struct __riot {
  13     unsigned char swcha;
  14     unsigned char swacnt;
  15     unsigned char swchb;
  16     unsigned char swbcnt;
  17     unsigned char intim;
  18     unsigned char timint;
  19
  20     unsigned char unused[14];
  21
  22     unsigned char tim1t;
  23     unsigned char tim8t;
  24     unsigned char tim64t;
  25     unsigned char t1024t;
  26 };