From 29f57b31962b65cd382048e2c0a44ac2add5ea2f Mon Sep 17 00:00:00 2001
From: cpg <cpg@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Thu, 22 Jun 2000 00:50:05 +0000
Subject: [PATCH] GTIA color defines; added c64 compatibility color defines

git-svn-id: svn://svn.cc65.org/cc65/trunk@94 b7a2c559-68d2-44c3-8de9-860c34a00d81
---
 include/atari.h | 52 +++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 48 insertions(+), 4 deletions(-)

diff --git a/include/atari.h b/include/atari.h
index da4e012f0..051d26950 100644
--- a/include/atari.h
+++ b/include/atari.h
@@ -10,10 +10,6 @@
 #ifndef _ATARI_H
 #define _ATARI_H
 
-/* Color Defines */
-#define COLOR_BLACK 	0x00
-#define COLOR_WHITE 	0x0E
-
 /* Characters codes */
 #define CH_DEL 	    	0xFE
 #define CH_ESC 	    	0x1B
@@ -54,6 +50,54 @@
 #define CH_HLINE        0x12
 #define CH_VLINE        0x16
 
+/* 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 */
+#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);
+
 /* Define hardware */
 #include <_gtia.h>
 #define GTIA (*(struct __gtia_write*)0xD000)
-- 
2.39.5