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cc65/include/pet.h
2017-12-11 19:52:11 +01:00

114 lines
4.5 KiB
C

/*****************************************************************************/
/* */
/* pet.h */
/* */
/* PET system specific definitions */
/* */
/* */
/* */
/* (C) 1998-2005 Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef _PET_H
#define _PET_H
/* Check for errors */
#if !defined(__PET__)
# error This module may only be used when compiling for the CBM PET!
#endif
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* Color defines */
#define COLOR_BLACK 0x00
#define COLOR_WHITE 0x01
/* Masks for joy_read */
#define JOY_UP_MASK 0x01
#define JOY_DOWN_MASK 0x02
#define JOY_LEFT_MASK 0x04
#define JOY_RIGHT_MASK 0x08
#define JOY_BTN_1_MASK 0x10
/* Define hardware */
#include <_pia.h>
#define PIA1 (*(struct __pia*)0xE810)
#define PIA2 (*(struct __pia*)0xE820)
#include <_6522.h>
#define VIA (*(struct __6522*)0xE840)
/* All models from 40xx and above */
#include <_6545.h>
#define CRTC (*(struct __6545)0xE880)
/* SuperPET only */
#include <_6551.h>
#define ACIA (*(struct __6551*)0xEFF0)
/*****************************************************************************/
/* Variables */
/*****************************************************************************/
/* The addresses of the static drivers */
extern void pet_ptvjoy_joy[];
extern void pet_stdjoy_joy[]; /* Referred to by joy_static_stddrv[] */
/*****************************************************************************/
/* Code */
/*****************************************************************************/
/* The following #defines will cause the matching functions calls in conio.h
** to be overlaid by macros with the same names, saving the function call
** overhead.
*/
#define _textcolor(color) COLOR_WHITE
#define _bgcolor(color) COLOR_BLACK
#define _bordercolor(color) COLOR_BLACK
#define _cpeekcolor(color) COLOR_WHITE
/* End of pet.h */
#endif