madex

// example for xmega256d3

// bit delay
static void delay(void) {
    __no_operation();
    __no_operation();
    __no_operation();
    __no_operation();
    __no_operation();
    __no_operation();

madex

char *itoaFixedWidth(int32_t zahl) {
   static uint32_t subtractors[] = {1000000000, 100000000, 10000000, 1000000,
                                    100000, 10000, 1000, 100, 10, 1};
   static char string[12];
   char n, *str = string, sign = zahl < 0 ? '-' : ' ';	
   uint32_t *sub = subtractors;
   uint32_t u = zahl < 0 ? (uint32_t) -zahl : (uint32_t) zahl;    
   uint8_t  i = 10;	
   *str++ = ' ';
   while (i > 1 && u < *sub) {

madex

#include <stdio.h>
#define _      0
#define S(x)   x,
#define D(x)   x x x
#define L(x)   D(S(x))
#define R(x)   D(D(S(x)))
#define E(f,x) f(x)f(x+1)f(x+2)
char sudoku[] = { 
 1, _, _,  _, _, 7,  _, 9, _,
 _, 3, _,  _, 2, _,  _, _, 8,