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

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                 _pokey.h                                  */
   4 /*                                                                           */
   5 /*                Internal include file, do not use directly                 */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2000 Freddy Offenga <taf_offenga@yahoo.com>                           */
  10 /*                                                                           */
  11 /*                                                                           */
  12 /* This software is provided 'as-is', without any expressed or implied       */
  13 /* warranty.  In no event will the authors be held liable for any damages    */
  14 /* arising from the use of this software.                                    */
  15 /*                                                                           */
  16 /* Permission is granted to anyone to use this software for any purpose,     */
  17 /* including commercial applications, and to alter it and redistribute it    */
  18 /* freely, subject to the following restrictions:                            */
  19 /*                                                                           */
  20 /* 1. The origin of this software must not be misrepresented; you must not   */
  21 /*    claim that you wrote the original software. If you use this software   */
  22 /*    in a product, an acknowledgment in the product documentation would be  */
  23 /*    appreciated but is not required.                                       */
  24 /* 2. Altered source versions must be plainly marked as such, and must not   */
  25 /*    be misrepresented as being the original software.                      */
  26 /* 3. This notice may not be removed or altered from any source              */
  27 /*    distribution.                                                          */
  28 /*                                                                           */
  29 /*****************************************************************************/
  30
  31
  32
  33 #ifndef __POKEY_H
  34 #define __POKEY_H
  35
  36
  37
  38 /* Define a structure with the pokey register offsets */
  39 struct __pokey_write {
  40     unsigned char   audf1;  /* audio channel #1 frequency */
  41     unsigned char   audc1;  /* audio channel #1 control */
  42     unsigned char   audf2;  /* audio channel #2 frequency */
  43     unsigned char   audc2;  /* audio channel #2 control */
  44     unsigned char   audf3;  /* audio channel #3 frequency */
  45     unsigned char   audc3;  /* audio channel #3 control */
  46     unsigned char   audf4;  /* audio channel #4 frequency */
  47     unsigned char   audc4;  /* audio channel #4 control */
  48     unsigned char   audctl; /* audio control */
  49     unsigned char   stimer; /* start pokey timers */
  50     unsigned char   skrest; /* reset serial port status reg. */
  51     unsigned char   potgo;  /* start paddle scan sequence */
  52     unsigned char   unuse1; /* unused */
  53     unsigned char   serout; /* serial port data output */
  54     unsigned char   irqen;  /* interrupt request enable */
  55     unsigned char   skctl;  /* serial port control */
  56 };
  57 struct __pokey_read {
  58     unsigned char   pot0;   /* paddle 0 value */
  59     unsigned char   pot1;   /* paddle 1 value */
  60     unsigned char   pot2;   /* paddle 2 value */
  61     unsigned char   pot3;   /* paddle 3 value */
  62     unsigned char   pot4;   /* paddle 4 value */
  63     unsigned char   pot5;   /* paddle 5 value */
  64     unsigned char   pot6;   /* paddle 6 value */
  65     unsigned char   pot7;   /* paddle 7 value */
  66     unsigned char   allpot; /* eight paddle port status */
  67     unsigned char   kbcode; /* keyboard code */
  68     unsigned char   random; /* random number generator */
  69     unsigned char   unuse2; /* unused */
  70     unsigned char   unuse3; /* unused */
  71     unsigned char   serin;  /* serial port input */
  72     unsigned char   irqst;  /* interrupt request status */
  73     unsigned char   skstat; /* serial port status */
  74 };
  75
  76
  77 /* End of _pokey.h */
  78 #endif /* #ifndef __POKEY_H */
  79