diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5d8fa11..d648b47 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,4 +5,5 @@ set(CMAKE_C_STANDARD 99)
 
 add_compile_options(-g -Wall -pedantic)
 
-add_executable(ninja njvm.c)
+add_executable(ninja njvm.c
+        SDA.c)
diff --git a/SDA.c b/SDA.c
new file mode 100644
index 0000000..7be99b9
--- /dev/null
+++ b/SDA.c
@@ -0,0 +1,28 @@
+//
+// Created by Nils on 03.12.2023
+//
+#ifndef SDA
+#define SDA
+
+#include <stdio.h>
+
+struct sda {
+    int *size;
+    unsigned int *sda;
+};
+
+unsigned int getSDA(int i, struct sda s) {
+    return s.sda[i];
+}
+
+void setSDA(int point, int val, struct sda s) {
+    s.sda[point] = val;
+}
+
+void printSDA(struct sda s) {
+    for (int i; i < *s.size; i++) {
+        printf("%i", get(i, s));
+    }
+}
+
+#endif
\ No newline at end of file
diff --git a/codeReader.c b/codeReader.c
index ca66ddb..a698b10 100644
--- a/codeReader.c
+++ b/codeReader.c
@@ -1,32 +1,37 @@
 #ifndef CODEREADER
 #define CODEREADER
-#include "consts.c" 
+
+#include "consts.c"
 #include <stdio.h>
 #include <stdlib.h>
 #include "program.c"
-void fromFile(char *path, struct program program){
-  unsigned int countInstructions;
-  unsigned int staticVars;
-  FILE *fptr;
-  fptr = fopen(path, "r+b");
-  if(fptr == NULL) {
-    printf("Error: cannot open code file %s", path);
-    exit(EXIT_FAILURE);
-  }
-  unsigned int buffer[4];
-  fread(buffer, 4, 4, fptr);
-  // Check file type 
-  if(buffer[0] != 0x46424A4E){
-  printf("Error: wrong file type");
-  exit(EXIT_FAILURE);
-  }
-  if(buffer[1] != VERSION){
-    printf("Error: wrong version");
-  }
-  countInstructions = buffer[2];
-  staticVars = buffer[3];
-  unsigned int instBuffer[countInstructions];
-  fread(instBuffer, 4, countInstructions, fptr);
-  copyToProgram(instBuffer,countInstructions,program);
+
+unsigned int fromFile(char *path, struct program program) {
+    unsigned int countInstructions;
+    unsigned int staticVars;
+    FILE *fptr;
+    fptr = fopen(path, "r+b");
+    if (fptr == NULL) {
+        printf("Error: cannot open code file %s", path);
+        exit(EXIT_FAILURE);
+    }
+    unsigned int buffer[4];
+    fread(buffer, 4, 4, fptr);
+    // Check file type
+    if (buffer[0] != 0x46424A4E) {
+        printf("Error: wrong file type");
+        exit(EXIT_FAILURE);
+    }
+    if (buffer[1] != VERSION) {
+        printf("Error: wrong version");
+        exit(EXIT_FAILURE);
+    }
+    countInstructions = buffer[2];
+    staticVars = buffer[3];
+    unsigned int instBuffer[countInstructions];
+    fread(instBuffer, 4, countInstructions, fptr);
+    copyToProgram(instBuffer, countInstructions, program);
+    return staticVars;
 }
+
 #endif /* ifdef CODEREADER */
diff --git a/instruktion.c b/instruktion.c
index 4f8459c..7853372 100644
--- a/instruktion.c
+++ b/instruktion.c
@@ -16,5 +16,11 @@
 #define WRINT 8
 #define RDCHR 9
 #define WRCHR 10
+#define PUSHG 11
+#define POPG 12
+#define ASF 13
+#define RSF 14
+#define PUSHL 15
+#define POPL 16
 
 #endif /* ifndef INSREUKTION */
diff --git a/njvm.c b/njvm.c
index ddf73ad..6bfb565 100644
--- a/njvm.c
+++ b/njvm.c
@@ -4,10 +4,12 @@
 #include "code.c"
 #include "stack.c"
 #include "program.c"
+#include "codeReader.c"
+#include "SDA.c"
 
 //Comment to disable debug
 
-//#define DEBUG
+#define DEBUG
 
 // Stack
 struct stack stack;
@@ -16,6 +18,10 @@ struct stack stack;
 // Program
 struct program program;
 
+// SDA
+struct sda sda;
+unsigned fp;
+
 void version(void) {
     printf("Ninja Virtual Machine version %i (compiled %s, %s)\n", 0, __DATE__, __TIME__);
 }
@@ -33,7 +39,6 @@ void execute(struct program program) {
         switch (program.program[i] >> 24) {
             case HALT:
                 goto end;
-                break;
             case PUSHC:
                 push(stack, SIGN_EXTEND(IMMEDIATE(program.program[i])));
                 break;
@@ -69,6 +74,26 @@ void execute(struct program program) {
             case WRCHR:
                 printf("%c", pop(stack));
                 break;
+            case PUSHG:
+                push(stack, getSDA(SIGN_EXTEND(IMMEDIATE(program.program[i])), sda));
+                break;
+            case POPG:
+                setSDA(SIGN_EXTEND(IMMEDIATE(program.program[i])), pop(stack), sda);
+                break;
+            case ASF:
+                push(stack, *stack.current);
+                fp = *stack.current;
+                *stack.current = *stack.current + SIGN_EXTEND(IMMEDIATE(program.program[i]));
+                break;
+            case RSF:
+                *stack.current = fp;
+                fp = pop(stack);
+            case PUSHL:
+                stack.stack[fp + SIGN_EXTEND(IMMEDIATE(program.program[i]))] = pop(stack);
+                break;
+            case POPL:
+                push(stack, stack.stack[fp + SIGN_EXTEND(IMMEDIATE(program.program[i]))]);
+                break;
         }
     }
     end:
@@ -77,10 +102,13 @@ void execute(struct program program) {
 
 #ifdef DEBUG
 
-void tests(void){
-  printf("Runnig debug mode\n");
-  copyToProgram(code1,sizeof(code1)/sizeof(code1[0]),program);
-  printProgram(program);
+void tests(void) {
+    printf("Runnig debug mode\n");
+    int sizeSDA = fromFile("C:\\Users\\Nilss\\CLionProjects\\njvm\\prog1.bin", program);
+    unsigned int s[sizeSDA];
+    sda.size = &sizeSDA;
+    sda.sda = s;
+    printProgram(program);
 }
 
 #endif /* ifdef DEBUG */
diff --git a/prog1.bin b/prog1.bin
new file mode 100644
index 0000000..9aa0fba
Binary files /dev/null and b/prog1.bin differ
diff --git a/program.c b/program.c
index 7da099f..02bed77 100644
--- a/program.c
+++ b/program.c
@@ -59,6 +59,24 @@ void printProgram(struct program program) {
             case HALT:
                 strcpy(c, "halt");
                 break;
+            case PUSHG :
+                strcpy(c, "pushg");
+                break;
+            case POPG:
+                strcpy(c, "popg");
+                break;
+            case ASF:
+                strcpy(c, "asf");
+                break;
+            case RSF:
+                strcpy(c, "rsf");
+                break;
+            case PUSHL:
+                strcpy(c, "pushl");
+                break;
+            case POPL:
+                strcpy(c, "popl");
+                break;
             default:
                 strcpy(c, "ERROR");
                 break;