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https://github.com/cc65/cc65.git
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191 lines
7.4 KiB
C
191 lines
7.4 KiB
C
/*****************************************************************************/
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/* */
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/* atari.h */
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/* */
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/* Atari system specific definitions */
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/* */
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/* */
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/* */
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/* (C) 2000 Mark Keates <markk@dendrite.co.uk> */
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/* Freddy Offenga <taf_offenga@yahoo.com> */
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/* Christian Groessler <cpg@aladdin.de> */
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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 _ATARI_H
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#define _ATARI_H
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/* Character codes */
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#define CH_DEL 0xFE
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#define CH_ESC 0x1B
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#define CH_CURS_UP 28
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#define CH_CURS_DOWN 29
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#define CH_CURS_LEFT 30
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#define CH_CURS_RIGHT 31
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#define CH_TAB 0x7F /* tabulator */
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#define CH_EOL 0x9B /* end-of-line marker */
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#define CH_CLR 0x7D /* clear screen */
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#define CH_BEL 0xFD /* bell */
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#define CH_RUBOUT 0x7E /* back space (rubout) */
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#define CH_DELLINE 0x9C /* delete line */
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#define CH_INSLINE 0x9D /* insert line */
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/* These are defined to be Atari + NumberKey */
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#define CH_F1 177
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#define CH_F2 178
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#define CH_F3 179
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#define CH_F4 180
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#define CH_F5 181
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#define CH_F6 182
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#define CH_F7 183
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#define CH_F8 184
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#define CH_F9 185
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#define CH_F10 176
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#define CH_ULCORNER 0x11
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#define CH_URCORNER 0x05
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#define CH_LLCORNER 0x1A
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#define CH_LRCORNER 0x03
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#define CH_TTEE 0x17
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#define CH_BTEE 0x18
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#define CH_LTEE 0x01
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#define CH_RTEE 0x04
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#define CH_CROSS 0x19
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#define CH_HLINE 0x12
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#define CH_VLINE 0x16
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/* color defines */
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/* make GTIA color value */
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#define _gtia_mkcolor(hue,lum) (((hue) << 4) | ((lum) << 1))
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/* luminance values go from 0 (black) to 7 (white) */
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/* hue values */
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#define HUE_GREY 0
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#define HUE_GOLD 1
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#define HUE_GOLDORANGE 2
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#define HUE_REDORANGE 3
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#define HUE_ORANGE 4
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#define HUE_MAGENTA 5
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#define HUE_PURPLE 6
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#define HUE_BLUE 7
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#define HUE_BLUE2 8
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#define HUE_CYAN 9
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#define HUE_BLUEGREEN 10
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#define HUE_BLUEGREEN2 11
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#define HUE_GREEN 12
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#define HUE_YELLOWGREEN 13
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#define HUE_YELLOW 14
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#define HUE_YELLOWRED 15
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/* Color defines, similar to c64 colors (untested) */
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#define COLOR_BLACK _gtia_mkcolor(HUE_GREY,0)
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#define COLOR_WHITE _gtia_mkcolor(HUE_GREY,7)
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#define COLOR_RED _gtia_mkcolor(HUE_REDORANGE,1)
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#define COLOR_CYAN _gtia_mkcolor(HUE_CYAN,3)
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#define COLOR_VIOLET _gtia_mkcolor(HUE_PURPLE,4)
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#define COLOR_GREEN _gtia_mkcolor(HUE_GREEN,2)
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#define COLOR_BLUE _gtia_mkcolor(HUE_BLUE,2)
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#define COLOR_YELLOW _gtia_mkcolor(HUE_YELLOW,7)
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#define COLOR_ORANGE _gtia_mkcolor(HUE_ORANGE,5)
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#define COLOR_BROWN _gtia_mkcolor(HUE_YELLOW,2)
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#define COLOR_LIGHTRED _gtia_mkcolor(HUE_REDORANGE,6)
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#define COLOR_GRAY1 _gtia_mkcolor(HUE_GREY,2)
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#define COLOR_GRAY2 _gtia_mkcolor(HUE_GREY,3)
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#define COLOR_LIGHTGREEN _gtia_mkcolor(HUE_GREEN,6)
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#define COLOR_LIGHTBLUE _gtia_mkcolor(HUE_BLUE,6)
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#define COLOR_GRAY3 _gtia_mkcolor(HUE_GREY,5)
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/* color register functions */
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extern void __fastcall__ setcolor (unsigned char color_reg, unsigned char hue, unsigned char luminace);
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extern void __fastcall__ setcolor_low (unsigned char color_reg, unsigned char color_value);
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extern unsigned char __fastcall__ getcolor (unsigned char color_reg);
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/* other screen functions */
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extern void __fastcall__ scroll (signed char numlines);
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/* numlines > 0 scrolls up */
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/* numlines < 0 scrolls down */
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/* misc. functions */
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extern void save_vecs(void); /* save system vectors */
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extern void rest_vecs(void); /* restore system vectors */
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extern unsigned int get_ostype(void); /* get ROM version */
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/* get_ostype return value defines (for explanation, see ostype.s) */
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/* masks */
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#define AT_OS_TYPE_MAIN 7
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#define AT_OS_PALNTSC (3 << 3)
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#define AT_OS_TYPE_MINOR (7 << 5)
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/* AT_OS_TYPE_MAIN values */
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#define AT_OS_UNKNOWN 0
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#define AT_OS_400800 1
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#define AT_OS_1200XL 2
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#define AT_OS_XLXE 3
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/* AT_OS_PALNTSC values */
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#define AT_OS_PAL 1
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#define AT_OS_NTSC 2
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/* AS_OS_TYPE_MINOR values */
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#define AT_OS_400800_A 1
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#define AT_OS_400800_B 2
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#define AT_OS_1200_10 1
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#define AT_OS_1200_11 2
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#define AT_OS_XLXE_1 1
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#define AT_OS_XLXE_2 2
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#define AT_OS_XLXE_3 3
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#define AT_OS_XLXE_4 4
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/* Define hardware */
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#include <_gtia.h>
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#define GTIA_READ (*(struct __gtia_read*)0xD000)
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#define GTIA_WRITE (*(struct __gtia_write*)0xD000)
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#include <_pbi.h>
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#include <_pokey.h>
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#define POKEY_READ (*(struct __pokey_read*)0xD200)
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#define POKEY_WRITE (*(struct __pokey_write*)0xD200)
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#include <_pia.h>
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#define PIA (*(struct __pia*)0xD300)
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#include <_antic.h>
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#define ANTIC (*(struct __antic*)0xD400)
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/* device control block */
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struct __dcb {
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unsigned char device; /* device id */
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unsigned char unit; /* unix number */
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unsigned char command; /* command */
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unsigned char status; /* command type / status return */
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void *buffer; /* pointer to buffer */
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unsigned char timeout; /* device timeout in seconds */
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unsigned char unused;
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unsigned int xfersize; /* # of bytes to transfer */
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unsigned char aux1; /* 1st command auxiliary byte */
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unsigned char aux2; /* 2nd command auxiliary byte */
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};
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#define DCB (*(struct __dcb *)0x300)
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/* End of atari.h */
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#endif /* #ifndef _ATARI_H */
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