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//==========================================================================
//
// vga_lookup.h
//
// Author(s): Michael Kelly, Cogent Computer Systems, Inc.
// Contributors:
// Date: 03/06/2005
// Description: This file contains vga color lookup
// 16-bit pixels are RGB 565 - LSB of RED and BLUE are tied low at the
// LCD Interface, while the LSB of GREEN is loaded as 0
#define RED_SUBPIXEL(n) (n & 0x1f) << 11
#define GREEN_SUBPIXEL(n) (n & 0x1f) << 6
#define BLUE_SUBPIXEL(n) (n & 0x1f) << 0
// define a simple VGA style 16-color pallette
#define LU_BLACK RED_SUBPIXEL(0x00) | GREEN_SUBPIXEL(0x00) | BLUE_SUBPIXEL(0x00)
#define LU_BLUE RED_SUBPIXEL(0x0f) | GREEN_SUBPIXEL(0x00) | BLUE_SUBPIXEL(0x00)
#define LU_GREEN RED_SUBPIXEL(0x00) | GREEN_SUBPIXEL(0x0f) | BLUE_SUBPIXEL(0x00)
#define LU_CYAN RED_SUBPIXEL(0x00) | GREEN_SUBPIXEL(0x0f) | BLUE_SUBPIXEL(0x0f)
#define LU_RED RED_SUBPIXEL(0x0f) | GREEN_SUBPIXEL(0x00) | BLUE_SUBPIXEL(0x00)
#define LU_VIOLET RED_SUBPIXEL(0x0f) | GREEN_SUBPIXEL(0x00) | BLUE_SUBPIXEL(0x0f)
#define LU_YELLOW RED_SUBPIXEL(0x0f) | GREEN_SUBPIXEL(0x0f) | BLUE_SUBPIXEL(0x00)
#define LU_GREY RED_SUBPIXEL(0x0f) | GREEN_SUBPIXEL(0x0f) | BLUE_SUBPIXEL(0x0f)
#define LU_WHITE RED_SUBPIXEL(0x17) | GREEN_SUBPIXEL(0x17) | BLUE_SUBPIXEL(0x17)
#define LU_BRT_BLUE RED_SUBPIXEL(0x00) | GREEN_SUBPIXEL(0x00) | BLUE_SUBPIXEL(0x1f)
#define LU_BRT_GREEN RED_SUBPIXEL(0x00) | GREEN_SUBPIXEL(0x1f) | BLUE_SUBPIXEL(0x00)
#define LU_BRT_CYAN RED_SUBPIXEL(0x00) | GREEN_SUBPIXEL(0x1f) | BLUE_SUBPIXEL(0x1f)
#define LU_BRT_RED RED_SUBPIXEL(0x1f) | GREEN_SUBPIXEL(0x00) | BLUE_SUBPIXEL(0x00)
#define LU_BRT_VIOLET RED_SUBPIXEL(0x1f) | GREEN_SUBPIXEL(0x00) | BLUE_SUBPIXEL(0x1f)
#define LU_BRT_YELLOW RED_SUBPIXEL(0x00) | GREEN_SUBPIXEL(0x1f) | BLUE_SUBPIXEL(0x1f)
#define LU_BRT_WHITE RED_SUBPIXEL(0x1f) | GREEN_SUBPIXEL(0x1f) | BLUE_SUBPIXEL(0x1f)
const static unsigned short vga_lookup[] = {
LU_BLACK,
LU_BLUE,
LU_GREEN,
LU_CYAN,
LU_RED,
LU_VIOLET,
LU_YELLOW,
LU_GREY,
LU_WHITE,
LU_BRT_BLUE,
LU_BRT_GREEN,
LU_BRT_CYAN,
LU_BRT_RED,
LU_BRT_VIOLET,
LU_BRT_YELLOW,
LU_BRT_WHITE
};
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