diff --git a/njvm.c b/njvm.c
index 7e9fd70..72cf6c3 100644
--- a/njvm.c
+++ b/njvm.c
@@ -5,6 +5,21 @@
 
 unsigned int stack[100];
 unsigned int current = 0;
+unsigned int programmSpeicher[100];
+
+#define IMMEDIATE(x) ((x) & 0x00FFFFFF)
+
+#define HALT 0
+#define PUSHC 1
+#define ADD 2
+#define SUB 3
+#define MUL 4
+#define DIV 5
+#define MOD 6
+#define RDINT 7
+#define WRINT 8
+#define RDCHR 9
+#define WRCHR 10
 
 void stackPush(unsigned int value){
     if(current > 100) {