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cc65/include/atari5200.h

101 lines
4.0 KiB
C

/*****************************************************************************/
/* */
/* atari5200.h */
/* */
/* Atari 5200 system specific definitions */
/* */
/* */
/* */
/* (C) 2014 Christian Groessler <chris@groessler.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 _ATARI5200_H
#define _ATARI5200_H
/* check for errors */
#if !defined(__ATARI5200__)
# error This module may only be used when compiling for the Atari 5200!
#endif
/* no support for dynamically loadable drivers */
#define DYN_DRV 0
/* the addresses of the static drivers */
extern void atr5200std_joy[]; /* referred to by joy_static_stddrv[] */
/* 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
/* character codes */
#define CH_ULCORNER 0x0B /* '+' sign */
#define CH_URCORNER 0x0B
#define CH_LLCORNER 0x0B
#define CH_LRCORNER 0x0B
#define CH_HLINE 0x0D /* dash */
#define CH_VLINE 0x01 /* exclamation mark */
/* get_tv return values */
#define AT_NTSC 0
#define AT_PAL 1
/* Define variables used by the OS*/
#include <_atari5200os.h>
#define OS (*(struct __os*)0x0000)
/* define hardware */
#include <_gtia.h>
#define GTIA_READ (*(struct __gtia_read*)0xC000)
#define GTIA_WRITE (*(struct __gtia_write*)0xC000)
#include <_pokey.h>
#define POKEY_READ (*(struct __pokey_read*)0xE800)
#define POKEY_WRITE (*(struct __pokey_write*)0xE800)
#include <_antic.h>
#define ANTIC (*(struct __antic*)0xD400)
/* conio color defines */
#define COLOR_WHITE 0x00
#define COLOR_RED 0x01
#define COLOR_GREEN 0x02
#define COLOR_BLACK 0x03
/* The following #define will cause the matching function calls in conio.h
** to be overlaid by macros with the same names, saving the function call
** overhead.
*/
#define _bordercolor(color) 0
/* wait for start of next frame */
extern void waitvsync (void);
/* end of atari5200.h */
#endif