1 /*****************************************************************************/
5 /* Atari system specific definitions */
9 /* (C) 2000-2006 Mark Keates <markk@dendrite.co.uk> */
10 /* Freddy Offenga <taf_offenga@yahoo.com> */
11 /* Christian Groessler <chris@groessler.org> */
14 /* This software is provided 'as-is', without any expressed or implied */
15 /* warranty. In no event will the authors be held liable for any damages */
16 /* arising from the use of this software. */
18 /* Permission is granted to anyone to use this software for any purpose, */
19 /* including commercial applications, and to alter it and redistribute it */
20 /* freely, subject to the following restrictions: */
22 /* 1. The origin of this software must not be misrepresented; you must not */
23 /* claim that you wrote the original software. If you use this software */
24 /* in a product, an acknowledgment in the product documentation would be */
25 /* appreciated but is not required. */
26 /* 2. Altered source versions must be plainly marked as such, and must not */
27 /* be misrepresented as being the original software. */
28 /* 3. This notice may not be removed or altered from any source */
31 /*****************************************************************************/
40 /* Check for errors */
41 #if !defined(__ATARI__)
42 # error This module may only be used when compiling for the Atari!
48 #define CH_DELCHR 0xFE /* delete char under the cursor */
52 #define CH_CURS_DOWN 29
53 #define CH_CURS_LEFT 30
54 #define CH_CURS_RIGHT 31
56 #define CH_TAB 0x7F /* tabulator */
57 #define CH_EOL 0x9B /* end-of-line marker */
58 #define CH_CLR 0x7D /* clear screen */
59 #define CH_BEL 0xFD /* bell */
60 #define CH_DEL 0x7E /* back space (delete char to the left) */
61 #define CH_RUBOUT 0x7E /* back space (old, deprecated) */
62 #define CH_DELLINE 0x9C /* delete line */
63 #define CH_INSLINE 0x9D /* insert line */
65 /* These are defined to be Atari + NumberKey */
77 #define CH_ULCORNER 0x11
78 #define CH_URCORNER 0x05
79 #define CH_LLCORNER 0x1A
80 #define CH_LRCORNER 0x03
91 /* make GTIA color value */
92 #define _gtia_mkcolor(hue,lum) (((hue) << 4) | ((lum) << 1))
94 /* luminance values go from 0 (black) to 7 (white) */
99 #define HUE_GOLDORANGE 2
100 #define HUE_REDORANGE 3
102 #define HUE_MAGENTA 5
107 #define HUE_BLUEGREEN 10
108 #define HUE_BLUEGREEN2 11
110 #define HUE_YELLOWGREEN 13
111 #define HUE_YELLOW 14
112 #define HUE_YELLOWRED 15
114 /* Color defines, similar to c64 colors (untested) */
115 /* Note that the conio color implementation is monochrome (bgcolor and textcolor are only placeholders) */
116 /* Use the defines with the setcolor() or _atari_xxxcolor() functions */
117 #define COLOR_BLACK _gtia_mkcolor(HUE_GREY,0)
118 #define COLOR_WHITE _gtia_mkcolor(HUE_GREY,7)
119 #define COLOR_RED _gtia_mkcolor(HUE_REDORANGE,1)
120 #define COLOR_CYAN _gtia_mkcolor(HUE_CYAN,3)
121 #define COLOR_VIOLET _gtia_mkcolor(HUE_PURPLE,4)
122 #define COLOR_GREEN _gtia_mkcolor(HUE_GREEN,2)
123 #define COLOR_BLUE _gtia_mkcolor(HUE_BLUE,2)
124 #define COLOR_YELLOW _gtia_mkcolor(HUE_YELLOW,7)
125 #define COLOR_ORANGE _gtia_mkcolor(HUE_ORANGE,5)
126 #define COLOR_BROWN _gtia_mkcolor(HUE_YELLOW,2)
127 #define COLOR_LIGHTRED _gtia_mkcolor(HUE_REDORANGE,6)
128 #define COLOR_GRAY1 _gtia_mkcolor(HUE_GREY,2)
129 #define COLOR_GRAY2 _gtia_mkcolor(HUE_GREY,3)
130 #define COLOR_LIGHTGREEN _gtia_mkcolor(HUE_GREEN,6)
131 #define COLOR_LIGHTBLUE _gtia_mkcolor(HUE_BLUE,6)
132 #define COLOR_GRAY3 _gtia_mkcolor(HUE_GREY,5)
134 /* color register functions */
135 extern void __fastcall__ _setcolor (unsigned char color_reg, unsigned char hue, unsigned char luminace);
136 extern void __fastcall__ _setcolor_low (unsigned char color_reg, unsigned char color_value);
137 extern unsigned char __fastcall__ _getcolor (unsigned char color_reg);
139 /* other screen functions */
140 extern int __fastcall__ _graphics (unsigned char mode); /* mode value same as in BASIC */
141 extern void __fastcall__ _scroll (signed char numlines);
142 /* numlines > 0 scrolls up */
143 /* numlines < 0 scrolls down */
145 /* misc. functions */
146 extern unsigned char get_ostype(void); /* get ROM version */
147 extern unsigned char get_tv(void); /* get TV system */
148 extern void _save_vecs(void); /* save system vectors */
149 extern void _rest_vecs(void); /* restore system vectors */
150 extern char *_getdefdev(void); /* get default floppy device */
152 /* global variables */
153 extern unsigned char _dos_type; /* the DOS flavour */
155 /* provide old names for backwards compatibility */
156 #ifdef ATARI_COMPAT_PRE_2_11
157 #define setcolor _setcolor
158 #define setcolor_low _setcolor_low
159 #define getcolor _getcolor
160 #define graphics _graphics
161 #define scroll _scroll
162 #define save_vecs _save_vecs
163 #define rest_vecs _rest_vecs
164 #define getdefdev _getdefdev
165 #endif /* #ifdef ATARI_COMPAT_PRE_2_11 */
167 /* get_ostype return value defines (for explanation, see ostype.s) */
169 #define AT_OS_TYPE_MAIN 7
170 #define AT_OS_TYPE_MINOR (7 << 3)
171 /* AT_OS_TYPE_MAIN values */
172 #define AT_OS_UNKNOWN 0
173 #define AT_OS_400800 1
174 #define AT_OS_1200XL 2
176 /* AS_OS_TYPE_MINOR values */
177 /* for 400/800 remember this are the ROM versions */
178 /* to check whether the hw is PAL or NTSC, use get_tv() */
179 #define AT_OS_400800PAL_A 1
180 #define AT_OS_400800PAL_B 2
181 #define AT_OS_400800NTSC_A 1
182 #define AT_OS_400800NTSC_B 2
183 #define AT_OS_1200_10 1
184 #define AT_OS_1200_11 2
185 #define AT_OS_XLXE_1 1
186 #define AT_OS_XLXE_2 2
187 #define AT_OS_XLXE_3 3
188 #define AT_OS_XLXE_4 4
190 /* get_tv return values */
194 /* valid _dos_type values */
201 /* Define hardware */
203 #define GTIA_READ (*(struct __gtia_read*)0xD000)
204 #define GTIA_WRITE (*(struct __gtia_write*)0xD000)
209 #define POKEY_READ (*(struct __pokey_read*)0xD200)
210 #define POKEY_WRITE (*(struct __pokey_write*)0xD200)
213 #define PIA (*(struct __pia*)0xD300)
216 #define ANTIC (*(struct __antic*)0xD400)
218 /* device control block */
220 unsigned char device; /* device id */
221 unsigned char unit; /* unit number */
222 unsigned char command; /* command */
223 unsigned char status; /* command type / status return */
224 void *buffer; /* pointer to buffer */
225 unsigned char timeout; /* device timeout in seconds */
226 unsigned char unused;
227 unsigned int xfersize; /* # of bytes to transfer */
228 unsigned char aux1; /* 1st command auxiliary byte */
229 unsigned char aux2; /* 2nd command auxiliary byte */
231 #define DCB (*(struct __dcb *)0x300)
233 /* I/O control block */
235 unsigned char handler; /* handler index number (0xff free) */
236 unsigned char drive; /* device number (drive) */
237 unsigned char command; /* command */
238 unsigned char status; /* status of last operation */
239 void *buffer; /* pointer to buffer */
240 void *put_byte; /* pointer to device's PUT BYTE routine */
241 unsigned int buflen; /* length of buffer */
242 unsigned char aux1; /* 1st auxiliary byte */
243 unsigned char aux2; /* 2nd auxiliary byte */
244 unsigned char aux3; /* 3rd auxiliary byte */
245 unsigned char aux4; /* 4th auxiliary byte */
246 unsigned char aux5; /* 5th auxiliary byte */
247 unsigned char spare; /* spare byte */
249 #define ZIOCB (*(struct __iocb *)0x20) /* zero page IOCB */
250 #define IOCB (*(struct __iocb *)0x340) /* system IOCB buffers */
253 #endif /* #ifndef _ATARI_H */