/* */
/* */
/* */
-/* (C) 2000 Mark Keates <markk@dendrite.co.uk> */
-/* Freddy Offenga <taf_offenga@yahoo.com> */
-/* Christian Groessler <cpg@aladdin.de> */
+/* (C) 2000-2006 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 */
/* */
/*****************************************************************************/
+
+
#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_DEL 0xFE
+#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_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 */
#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_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);
+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 void __fastcall__ scroll (signed char numlines);
+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 int get_ostype(void); /* get ROM version */
+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_PALNTSC (3 << 3)
-#define AT_OS_TYPE_MINOR (7 << 5)
+#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
-/* AT_OS_PALNTSC values */
-#define AT_OS_PAL 1
-#define AT_OS_NTSC 2
/* AS_OS_TYPE_MINOR values */
-#define AT_OS_400800_A 1
-#define AT_OS_400800_B 2
+/* 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_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 NODOS 255
+
/* Define hardware */
#include <_gtia.h>
#define GTIA_READ (*(struct __gtia_read*)0xD000)
#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 /* #ifndef _ATARI_H */
projects / cc65 / blobdiff