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94 lines
3.8 KiB
C
94 lines
3.8 KiB
C
/*****************************************************************************/
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/* */
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/* atari5200.h */
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/* */
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/* Atari 5200 system specific definitions */
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/* */
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/* */
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/* */
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/* (C) 2014 Christian Groessler <chris@groessler.org> */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef _ATARI5200_H
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#define _ATARI5200_H
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/* Check for errors */
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#if !defined(__ATARI5200__)
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# error This module may only be used when compiling for the Atari 5200!
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#endif
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/* no support for dynamically loadable drivers */
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#define DYN_DRV 0
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/* the addresses of the static drivers */
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extern void atr5200std_joy[]; /* referred to by joy_static_stddrv[] */
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/* Masks for joy_read */
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#define JOY_UP_MASK 0x01
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#define JOY_DOWN_MASK 0x02
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#define JOY_LEFT_MASK 0x04
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#define JOY_RIGHT_MASK 0x08
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#define JOY_BTN_1_MASK 0x10
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/* Character codes */
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#define CH_ULCORNER 0x0B /* '+' sign */
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#define CH_URCORNER 0x0B
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#define CH_LLCORNER 0x0B
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#define CH_LRCORNER 0x0B
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#define CH_HLINE 0x0D /* dash */
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#define CH_VLINE 0x01 /* exclamation mark */
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/* get_tv return values */
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#define AT_NTSC 0
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#define AT_PAL 1
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/* Define hardware */
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#include <_gtia.h>
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#define GTIA_READ (*(struct __gtia_read*)0xC000)
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#define GTIA_WRITE (*(struct __gtia_write*)0xC000)
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#include <_pokey.h>
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#define POKEY_READ (*(struct __pokey_read*)0xE800)
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#define POKEY_WRITE (*(struct __pokey_write*)0xE800)
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#include <_antic.h>
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#define ANTIC (*(struct __antic*)0xD400)
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/* conio color defines */
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#define COLOR_WHITE 0x00
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#define COLOR_RED 0x01
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#define COLOR_GREEN 0x02
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#define COLOR_BLACK 0x03
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/* The following #define will cause the matching function calls in conio.h
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** to be overlaid by macros with the same names, saving the function call
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** overhead.
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*/
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#define _bordercolor(color) 0
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/* End of atari5200.h */
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#endif
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