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

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                   pet.h                                   */
   4 /*                                                                           */
   5 /*                      PET system specific definitions                      */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 1998-2005 Ullrich von Bassewitz                                       */
  10 /*               Roemerstrasse 52                                            */
  11 /*               D-70794 Filderstadt                                         */
  12 /* EMail:        uz@cc65.org                                                 */
  13 /*                                                                           */
  14 /*                                                                           */
  15 /* This software is provided 'as-is', without any expressed or implied       */
  16 /* warranty.  In no event will the authors be held liable for any damages    */
  17 /* arising from the use of this software.                                    */
  18 /*                                                                           */
  19 /* Permission is granted to anyone to use this software for any purpose,     */
  20 /* including commercial applications, and to alter it and redistribute it    */
  21 /* freely, subject to the following restrictions:                            */
  22 /*                                                                           */
  23 /* 1. The origin of this software must not be misrepresented; you must not   */
  24 /*    claim that you wrote the original software. If you use this software   */
  25 /*    in a product, an acknowledgment in the product documentation would be  */
  26 /*    appreciated but is not required.                                       */
  27 /* 2. Altered source versions must be plainly marked as such, and must not   */
  28 /*    be misrepresented as being the original software.                      */
  29 /* 3. This notice may not be removed or altered from any source              */
  30 /*    distribution.                                                          */
  31 /*                                                                           */
  32 /*****************************************************************************/
  33
  34
  35
  36 #ifndef _PET_H
  37 #define _PET_H
  38
  39
  40
  41 /* Check for errors */
  42 #if !defined(__PET__)
  43 #  error This module may only be used when compiling for the CBM PET!
  44 #endif
  45
  46
  47
  48 /*****************************************************************************/
  49 /*                                   Data                                    */
  50 /*****************************************************************************/
  51
  52
  53
  54 /* Color defines */
  55 #define COLOR_BLACK             0x00
  56 #define COLOR_WHITE             0x01
  57
  58 /* Masks for joy_read */
  59 #define JOY_UP_MASK             0x01
  60 #define JOY_DOWN_MASK           0x02
  61 #define JOY_LEFT_MASK           0x04
  62 #define JOY_RIGHT_MASK          0x08
  63 #define JOY_BTN_1_MASK          0x10
  64
  65 /* Define hardware */
  66 #include <_pia.h>
  67 #define PIA1    (*(struct __pia*)0xE810)
  68 #define PIA2    (*(struct __pia*)0xE820)
  69
  70 #include <_6522.h>
  71 #define VIA     (*(struct __6522*)0xE840)
  72
  73 /* All models from 40xx and above */
  74 #include <_6545.h>
  75 #define CRTC    (*(struct __6545)0xE880)
  76
  77 /* SuperPET only */
  78 #include <_6551.h>
  79 #define ACIA    (*(struct __6551*)0xEFF0)
  80
  81
  82
  83 /*****************************************************************************/
  84 /*                                 Variables                                 */
  85 /*****************************************************************************/
  86
  87
  88
  89 /* The addresses of the static drivers */
  90 extern void pet_ptvjoy_joy[];
  91 extern void pet_stdjoy_joy[];       /* Referred to by joy_static_stddrv[] */
  92
  93
  94
  95 /*****************************************************************************/
  96 /*                                   Code                                    */
  97 /*****************************************************************************/
  98
  99
 100
 101 /* The following #defines will cause the matching functions calls in conio.h
 102 ** to be overlaid by macros with the same names, saving the function call
 103 ** overhead.
 104 */
 105 #define _textcolor(color)       COLOR_WHITE
 106 #define _bgcolor(color)         COLOR_BLACK
 107 #define _bordercolor(color)     COLOR_BLACK
 108 #define _cpeekcolor(color)      COLOR_WHITE
 109
 110
 111
 112 /* End of pet.h */
 113 #endif