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cc65/include/atari.h
cpg 73ab1ef8a9 fix CH_CROSS definition 
git-svn-id: svn://svn.cc65.org/cc65/trunk@2313 b7a2c559-68d2-44c3-8de9-860c34a00d81
2003-08-14 14:15:41 +00:00

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/*****************************************************************************/
/* */
/* atari.h */
/* */
/* Atari system specific definitions */
/* */
/* */
/* */
/* (C) 2000 Mark Keates <markk@dendrite.co.uk> */
/* Freddy Offenga <taf_offenga@yahoo.com> */
/* Christian Groessler <cpg@aladdin.de> */
/* */
/* */
/* 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 _ATARI_H
#define _ATARI_H
/* Check for errors */
#if !defined(__ATARI__)
# error This module may only be used when compiling for the Atari!
#endif
/* Character codes */
#define CH_DELCHR 0xFE /* delete char under the cursor */
#define CH_ESC 0x1B
#define CH_CURS_UP 28
#define CH_CURS_DOWN 29
#define CH_CURS_LEFT 30
#define CH_CURS_RIGHT 31
#define CH_TAB 0x7F /* tabulator */
#define CH_EOL 0x9B /* end-of-line marker */
#define CH_CLR 0x7D /* clear screen */
#define CH_BEL 0xFD /* bell */
#define CH_DEL 0x7E /* back space (delete char to the left) */
#define CH_RUBOUT 0x7E /* back space (old, deprecated) */
#define CH_DELLINE 0x9C /* delete line */
#define CH_INSLINE 0x9D /* insert line */
/* These are defined to be Atari + NumberKey */
#define CH_F1 177
#define CH_F2 178
#define CH_F3 179
#define CH_F4 180
#define CH_F5 181
#define CH_F6 182
#define CH_F7 183
#define CH_F8 184
#define CH_F9 185
#define CH_F10 176
#define CH_ULCORNER 0x11
#define CH_URCORNER 0x05
#define CH_LLCORNER 0x1A
#define CH_LRCORNER 0x03
#define CH_TTEE 0x17
#define CH_BTEE 0x18
#define CH_LTEE 0x01
#define CH_RTEE 0x04
#define CH_CROSS 0x13
#define CH_HLINE 0x12
#define CH_VLINE 0x16
/* color defines */
/* 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) */
/* Note that the conio color implementation is monochrome (bgcolor and textcolor are only placeholders) */
/* Use the defines with the setcolor() or _atari_xxxcolor() functions */
#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)
/* color register functions */
extern void __fastcall__ setcolor (unsigned char color_reg, unsigned char hue, unsigned char luminace);
extern void __fastcall__ setcolor_low (unsigned char color_reg, unsigned char color_value);
extern unsigned char __fastcall__ getcolor (unsigned char color_reg);
/* function similar to conio color functions; please note that _atari_textcolor only sets the */
/* luminance of the text in standard text mode */
extern unsigned char __fastcall__ _atari_textcolor (unsigned char color);
extern unsigned char __fastcall__ _atari_bgcolor (unsigned char color);
extern unsigned char __fastcall__ _atari_bordercolor (unsigned char color);
/* other screen functions */
extern int __fastcall__ graphics(unsigned char mode); /* mode value same as in BASIC */
extern void __fastcall__ scroll (signed char numlines);
/* numlines > 0 scrolls up */
/* numlines < 0 scrolls down */
/* misc. functions */
extern void save_vecs(void); /* save system vectors */
extern void rest_vecs(void); /* restore system vectors */
extern unsigned char get_ostype(void); /* get ROM version */
extern unsigned char get_tv(void); /* get TV system */
extern char *getdefdev(void); /* get default floppy device */
/* global variables */
extern unsigned char _dos_type; /* the DOS flavour */
/* get_ostype return value defines (for explanation, see ostype.s) */
/* masks */
#define AT_OS_TYPE_MAIN 7
#define AT_OS_TYPE_MINOR (7 << 3)
/* AT_OS_TYPE_MAIN values */
#define AT_OS_UNKNOWN 0
#define AT_OS_400800 1
#define AT_OS_1200XL 2
#define AT_OS_XLXE 3
/* AS_OS_TYPE_MINOR values */
/* for 400/800 remember this are the ROM versions */
/* to check whether the hw is PAL or NTSC, use get_tv() */
#define AT_OS_400800PAL_A 1
#define AT_OS_400800PAL_B 2
#define AT_OS_400800NTSC_A 1
#define AT_OS_400800NTSC_B 2
#define AT_OS_1200_10 1
#define AT_OS_1200_11 2
#define AT_OS_XLXE_1 1
#define AT_OS_XLXE_2 2
#define AT_OS_XLXE_3 3
#define AT_OS_XLXE_4 4
/* get_tv return values */
#define AT_NTSC 0
#define AT_PAL 1
/* valid _dos_type values */
#define ATARIDOS 0
#define SPARTADOS 1
#define OSADOS 2
#define MYDOS 3 /* detection currently not implemented */
#define NODOS 255 /* detection currently not implemented */
/* Define hardware */
#include <_gtia.h>
#define GTIA_READ (*(struct __gtia_read*)0xD000)
#define GTIA_WRITE (*(struct __gtia_write*)0xD000)
#include <_pbi.h>
#include <_pokey.h>
#define POKEY_READ (*(struct __pokey_read*)0xD200)
#define POKEY_WRITE (*(struct __pokey_write*)0xD200)
#include <_pia.h>
#define PIA (*(struct __pia*)0xD300)
#include <_antic.h>
#define ANTIC (*(struct __antic*)0xD400)
/* device control block */
struct __dcb {
unsigned char device; /* device id */
unsigned char unit; /* unit number */
unsigned char command; /* command */
unsigned char status; /* command type / status return */
void *buffer; /* pointer to buffer */
unsigned char timeout; /* device timeout in seconds */
unsigned char unused;
unsigned int xfersize; /* # of bytes to transfer */
unsigned char aux1; /* 1st command auxiliary byte */
unsigned char aux2; /* 2nd command auxiliary byte */
};
#define DCB (*(struct __dcb *)0x300)
/* End of atari.h */
#endif /* #ifndef _ATARI_H */
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