1 /*****************************************************************************/
5 /* Atari 5200 system specific definitions */
9 /* (C) 2014 Christian Groessler <chris@groessler.org> */
12 /* This software is provided 'as-is', without any expressed or implied */
13 /* warranty. In no event will the authors be held liable for any damages */
14 /* arising from the use of this software. */
16 /* Permission is granted to anyone to use this software for any purpose, */
17 /* including commercial applications, and to alter it and redistribute it */
18 /* freely, subject to the following restrictions: */
20 /* 1. The origin of this software must not be misrepresented; you must not */
21 /* claim that you wrote the original software. If you use this software */
22 /* in a product, an acknowledgment in the product documentation would be */
23 /* appreciated but is not required. */
24 /* 2. Altered source versions must be plainly marked as such, and must not */
25 /* be misrepresented as being the original software. */
26 /* 3. This notice may not be removed or altered from any source */
29 /*****************************************************************************/
38 /* Check for errors */
39 #if !defined(__ATARI5200__)
40 # error This module may only be used when compiling for the Atari 5200!
44 /* make GTIA color value */
45 #define _gtia_mkcolor(hue,lum) (((hue) << 4) | ((lum) << 1))
47 /* luminance values go from 0 (black) to 7 (white) */
52 #define HUE_GOLDORANGE 2
53 #define HUE_REDORANGE 3
60 #define HUE_BLUEGREEN 10
61 #define HUE_BLUEGREEN2 11
63 #define HUE_YELLOWGREEN 13
65 #define HUE_YELLOWRED 15
67 /* Color defines, similar to c64 colors (untested) */
68 #define COLOR_BLACK _gtia_mkcolor(HUE_GREY,0)
69 #define COLOR_WHITE _gtia_mkcolor(HUE_GREY,7)
70 #define COLOR_RED _gtia_mkcolor(HUE_REDORANGE,1)
71 #define COLOR_CYAN _gtia_mkcolor(HUE_CYAN,3)
72 #define COLOR_VIOLET _gtia_mkcolor(HUE_PURPLE,4)
73 #define COLOR_GREEN _gtia_mkcolor(HUE_GREEN,2)
74 #define COLOR_BLUE _gtia_mkcolor(HUE_BLUE,2)
75 #define COLOR_YELLOW _gtia_mkcolor(HUE_YELLOW,7)
76 #define COLOR_ORANGE _gtia_mkcolor(HUE_ORANGE,5)
77 #define COLOR_BROWN _gtia_mkcolor(HUE_YELLOW,2)
78 #define COLOR_LIGHTRED _gtia_mkcolor(HUE_REDORANGE,6)
79 #define COLOR_GRAY1 _gtia_mkcolor(HUE_GREY,2)
80 #define COLOR_GRAY2 _gtia_mkcolor(HUE_GREY,3)
81 #define COLOR_LIGHTGREEN _gtia_mkcolor(HUE_GREEN,6)
82 #define COLOR_LIGHTBLUE _gtia_mkcolor(HUE_BLUE,6)
83 #define COLOR_GRAY3 _gtia_mkcolor(HUE_GREY,5)
85 /* get_tv return values */
91 #define GTIA_READ (*(struct __gtia_read*)0xC000)
92 #define GTIA_WRITE (*(struct __gtia_write*)0xC000)
95 #define POKEY_READ (*(struct __pokey_read*)0xE800)
96 #define POKEY_WRITE (*(struct __pokey_write*)0xE800)
99 #define ANTIC (*(struct __antic*)0xD400)
101 /* End of atari5200.h */
102 #endif /* #ifndef _ATARI5200_H */