-/*
- * atari.h
- *
- * Contributing authors:
- * Mark Keates
- * Freddy Offenga
- * Christian Groessler
- */
+/*****************************************************************************/
+/* */
+/* atari.h */
+/* */
+/* Atari system specific definitions */
+/* */
+/* */
+/* */
+/* (C) 2000-2006 Mark Keates <markk@dendrite.co.uk> */
+/* Freddy Offenga <taf_offenga@yahoo.com> */
+/* 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 _ATARI_H
#define _ATARI_H
-/* Color Defines */
-#define COLOR_BLACK 0x00
-#define COLOR_WHITE 0x0E
-/* Characters codes */
-#define CH_DEL 0xFE
+
+/* 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_ENTER 0x9B
#define CH_ESC 0x1B
#define CH_CURS_UP 28
#define CH_CURS_DOWN 29
#define CH_CURS_RIGHT 31
#define CH_TAB 0x7F /* tabulator */
-#define CH_EOL 0x0B /* end-of-line marker */
+#define CH_EOL 0x9B /* end-of-line marker */
#define CH_CLR 0x7D /* clear screen */
#define CH_BEL 0xFD /* bell */
-#define CH_RUBOUT 0x7E /* back space (rubout) */
+#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 */
#define CH_BTEE 0x18
#define CH_LTEE 0x01
#define CH_RTEE 0x04
-#define CH_CROSS 0x19
+#define CH_CROSS 0x13
#define CH_HLINE 0x12
-#define CH_VLINE 0x16
+#define CH_VLINE 0x7C
+
+/* 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);
+
+/* 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 unsigned char get_ostype(void); /* get ROM version */
+extern unsigned char get_tv(void); /* get TV system */
+extern void _save_vecs(void); /* save system vectors */
+extern void _rest_vecs(void); /* restore system vectors */
+extern char *_getdefdev(void); /* get default floppy device */
+
+/* global variables */
+extern unsigned char _dos_type; /* the DOS flavour */
+
+/* provide old names for backwards compatibility */
+#ifdef ATARI_COMPAT_PRE_2_11
+#define setcolor _setcolor
+#define setcolor_low _setcolor_low
+#define getcolor _getcolor
+#define graphics _graphics
+#define scroll _scroll
+#define save_vecs _save_vecs
+#define rest_vecs _rest_vecs
+#define getdefdev _getdefdev
+#endif /* #ifdef ATARI_COMPAT_PRE_2_11 */
+
+/* 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
+#define XDOS 4
+#define NODOS 255
/* Define hardware */
#include <_gtia.h>
-#define GTIA (*(struct __gtia_write*)0xD000)
-#define GTIA (*(struct __gtia_read*)0xD000)
+#define GTIA_READ (*(struct __gtia_read*)0xD000)
+#define GTIA_WRITE (*(struct __gtia_write*)0xD000)
#include <_pbi.h>
#include <_pokey.h>
-#define POKEY (*(struct __pokey_write*)0xD200)
-#define POKEY (*(struct __pokey_read*)0xD200)
+#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)
+
+/* I/O control block */
+struct __iocb {
+ unsigned char handler; /* handler index number (0xff free) */
+ unsigned char drive; /* device number (drive) */
+ unsigned char command; /* command */
+ unsigned char status; /* status of last operation */
+ void *buffer; /* pointer to buffer */
+ void *put_byte; /* pointer to device's PUT BYTE routine */
+ unsigned int buflen; /* length of buffer */
+ unsigned char aux1; /* 1st auxiliary byte */
+ unsigned char aux2; /* 2nd auxiliary byte */
+ unsigned char aux3; /* 3rd auxiliary byte */
+ unsigned char aux4; /* 4th auxiliary byte */
+ unsigned char aux5; /* 5th auxiliary byte */
+ unsigned char spare; /* spare byte */
+};
+#define ZIOCB (*(struct __iocb *)0x20) /* zero page IOCB */
+#define IOCB (*(struct __iocb *)0x340) /* system IOCB buffers */
+
/* End of atari.h */
-#endif
+#endif /* #ifndef _ATARI_H */
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