#include #define RED(i) ((i >> 5) & ((1 << 3) - 1)) #define GREEN(i) ((i >> 3) & ((1 << 2) - 1)) #define BLUE(i) (i & ((1 << 3) - 1)) int main(int argc, char *argv[]) { unsigned int i; for (i = 0; i < 256; i++) printf("\t.byte 0x%02x, 0x%02x, 0x%02x, 0x00\n", BLUE(i) * 9, GREEN(i) * 21, RED(i) * 9); return 0; }