diff --git a/njvm.c b/njvm.c
index 3b80e1a..007516d 100644
--- a/njvm.c
+++ b/njvm.c
@@ -23,6 +23,37 @@
 
 unsigned int programmSpeicher[1000];
 
+unsigned int code1[] = {
+  (PUSHC << 24) | IMMEDIATE(3),
+  (PUSHC << 24) | IMMEDIATE(4),
+  (ADD << 24),
+  (PUSHC << 24) | IMMEDIATE(10),
+  (PUSHC << 24) | IMMEDIATE(6),
+  (SUB << 24),
+  (MUL << 24),
+  (WRINT << 24),
+  (PUSHC << 24) | IMMEDIATE(10),
+  (WRCHR << 24),
+  (HALT)
+};
+unsigned int code2[] = {
+  (PUSHC << 24) | IMMEDIATE(-2),
+  (RDINT << 24),
+  (MUL << 24),
+  (PUSHC << 24) | IMMEDIATE(3),
+  (ADD << 24),
+  (WRINT << 24),
+  (PUSHC << 24) | IMMEDIATE('\n'),
+  (WRCHR << 24),
+  (HALT << 24)
+};
+unsigned int code3[] = {
+  (RDCHR << 24),
+  (WRINT << 24),
+  (PUSHC << 24) | IMMEDIATE('\n');
+  (WRCHR << 24),
+  (HALT << 24)
+};
 // Stack
 #define maxValues 1000
 
@@ -117,8 +148,8 @@ void execute(void) {
 }
 #ifdef DEBUG
 
-void printStck(){
-  if(current >= 0) {return;}
+void printStck(void){
+  if(current >= 0) return;
   printf("----\n");
   for (int i = 0; i < current; i++) {
     printf("|%i| \n",stack[i]);
@@ -126,7 +157,7 @@ void printStck(){
   printf("----\n");
 }
 
-void tests(){
+void tests(void){
   printf("Runnig debug mode\n");
   stackPush(10);
   stackPush(15);