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add atari5200.h

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Christian Groessler 2014-05-29 00:42:54 +02:00
parent 2bf580fb89
commit ff31fa3e3f
1 changed files with 102 additions and 0 deletions
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/*****************************************************************************/
/* */
/* 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
/* make GTIA color value */
#define _gtia_mkcolor(hue,lum) (((hue) << 4) | ((lum) << 1))
/* luminance values go from 0 (black) to 7 (white) */
/* hue values */
#define HUE_GREY 0
#define HUE_GOLD 1
#define HUE_GOLDORANGE 2
#define HUE_REDORANGE 3
#define HUE_ORANGE 4
#define HUE_MAGENTA 5
#define HUE_PURPLE 6
#define HUE_BLUE 7
#define HUE_BLUE2 8
#define HUE_CYAN 9
#define HUE_BLUEGREEN 10
#define HUE_BLUEGREEN2 11
#define HUE_GREEN 12
#define HUE_YELLOWGREEN 13
#define HUE_YELLOW 14
#define HUE_YELLOWRED 15
/* Color defines, similar to c64 colors (untested) */
#define COLOR_BLACK _gtia_mkcolor(HUE_GREY,0)
#define COLOR_WHITE _gtia_mkcolor(HUE_GREY,7)
#define COLOR_RED _gtia_mkcolor(HUE_REDORANGE,1)
#define COLOR_CYAN _gtia_mkcolor(HUE_CYAN,3)
#define COLOR_VIOLET _gtia_mkcolor(HUE_PURPLE,4)
#define COLOR_GREEN _gtia_mkcolor(HUE_GREEN,2)
#define COLOR_BLUE _gtia_mkcolor(HUE_BLUE,2)
#define COLOR_YELLOW _gtia_mkcolor(HUE_YELLOW,7)
#define COLOR_ORANGE _gtia_mkcolor(HUE_ORANGE,5)
#define COLOR_BROWN _gtia_mkcolor(HUE_YELLOW,2)
#define COLOR_LIGHTRED _gtia_mkcolor(HUE_REDORANGE,6)
#define COLOR_GRAY1 _gtia_mkcolor(HUE_GREY,2)
#define COLOR_GRAY2 _gtia_mkcolor(HUE_GREY,3)
#define COLOR_LIGHTGREEN _gtia_mkcolor(HUE_GREEN,6)
#define COLOR_LIGHTBLUE _gtia_mkcolor(HUE_BLUE,6)
#define COLOR_GRAY3 _gtia_mkcolor(HUE_GREY,5)
/* get_tv return values */
#define AT_NTSC 0
#define AT_PAL 1
/* 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)
/* End of atari5200.h */
#endif /* #ifndef _ATARI5200_H */