compiler/include/hardware/cia.h

   1 #ifndef HARDWARE_CIA_H
   2 #define HARDWARE_CIA_H
   3
   4 /*
   5     Copyright © 1995-2017, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: Amiga CIA chips
   9     Lang: english
  10 */
  11
  12 #ifndef EXEC_TYPES_H
  13 #   include <exec/types.h>
  14 #endif
  15
  16 struct CIA
  17 {
  18     UBYTE ciapra;
  19     UBYTE ciapad0[255];
  20     UBYTE ciaprb;
  21     UBYTE ciapad1[255];
  22     UBYTE ciaddra;
  23     UBYTE ciapad2[255];
  24     UBYTE ciaddrb;
  25     UBYTE ciapad3[255];
  26     UBYTE ciatalo;
  27     UBYTE ciapad4[255];
  28     UBYTE ciatahi;
  29     UBYTE ciapad5[255];
  30     UBYTE ciatblo;
  31     UBYTE ciapad6[255];
  32     UBYTE ciatbhi;
  33     UBYTE ciapad7[255];
  34     UBYTE ciatodlow;
  35     UBYTE ciapad8[255];
  36     UBYTE ciatodmid;
  37     UBYTE ciapad9[255];
  38     UBYTE ciatodhi;
  39     UBYTE ciapad10[255];
  40     UBYTE unusedreg;
  41     UBYTE ciapad11[255];
  42     UBYTE ciasdr;
  43     UBYTE ciapad12[255];
  44     UBYTE ciaicr;
  45     UBYTE ciapad13[255];
  46     UBYTE ciacra;
  47     UBYTE ciapad14[255];
  48     UBYTE ciacrb;
  49 };
  50
  51 /* Used in rom/exec/execstrap_init.c */
  52 /* Still has to be completed */
  53 #define CIAF_GAMEPORT0                  (1L<<6)
  54
  55 /* iCR bit definitions */
  56 #define CIAICRB_TA                      0
  57 #define CIAICRB_TB                      1
  58
  59 /* iCR bit definitions for Timer A */
  60 #define CIACRAB_START                   0
  61 #define CIACRAB_PBON                    1
  62 #define CIACRAB_OUTMODE                 2
  63 #define CIACRAB_RUNMODE                 3
  64 #define CIACRAB_SPMODE                  6
  65 #define CIACRAB_TODIN                   7
  66
  67 /* iCR Flags for Timer A */
  68 #define CIACRAF_START                   (1 << CIACRAB_START)
  69 #define CIACRAF_PBON                    (1 << CIACRAB_PBON)
  70 #define CIACRAF_RUNMODE                 (1 << CIACRAB_RUNMODE)
  71 #define CIACRAF_OUTMODE                 (1 << CIACRAB_OUTMODE)
  72 #define CIACRAF_SPMODE                  (1 << CIACRAB_SPMODE)
  73 #define CIACRAF_TODIN                   (1 << CIACRAB_TODIN)
  74
  75 /* iCR bit definitions for Timer B */
  76 #define CIACRBB_START                   0
  77 #define CIACRBB_PBON                    1
  78 #define CIACRBB_OUTMODE                 2
  79 #define CIACRBB_RUNMODE                 3
  80 #define CIACRBB_ALARM                   7
  81
  82 /* iCR Flags for Timer B */
  83 #define CIACRBF_START                   (1 << CIACRBB_START)
  84 #define CIACRBF_PBON                    (1 << CIACRBB_PBON)
  85 #define CIACRBF_RUNMODE                 (1 << CIACRBB_RUNMODE)
  86 #define CIACRBF_OUTMODE                 (1 << CIACRBB_OUTMODE)
  87 #define CIACRBF_ALARM                   (1 << CIACRBB_ALARM)
  88
  89 #endif /* HARDWARE_CIA_H */