diff --git a/CMakeLists.txt b/CMakeLists.txt
index d648b47..f1186eb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,5 +5,7 @@ set(CMAKE_C_STANDARD 99)
 
 add_compile_options(-g -Wall -pedantic)
 
+include_directories("./bigint/build/include")
+
 add_executable(ninja njvm.c
         SDA.c)
diff --git a/Makefile b/Makefile
index f56f609..452f957 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@
 CC = gcc
 
 # program to Run
-F = prog.bin
+F = programs/prog1.bin
 
 # Compiler flags
 CFLAGS = -g -Wall -Ibigint/build/include
diff --git a/njvm.c b/njvm.c
index 226326b..ecf1c1b 100644
--- a/njvm.c
+++ b/njvm.c
@@ -9,6 +9,7 @@
 #include "SDA.c"
 #include "debugMenu.c"
 #include "bigint.h"
+
 // Debug
 int debug = 0;
 
@@ -49,7 +50,7 @@ void execute(struct program program) {
     StackSlot tempSlot;
     ObjRef tempObj;
     for (i = 0; i < *program.size; ++i) {
-        if (debug == 1) debugMenu(fp,stack,&debug);       
+        if (debug == 1) debugMenu(fp, stack, &debug);
         switch (program.program[i] >> 24) {
             case HALT:
                 if (debug == 1) printf("halt\n");
@@ -59,8 +60,11 @@ void execute(struct program program) {
                 push(stack, stackSlotWithObjRef(getIntObj(SIGN_EXTEND(IMMEDIATE(program.program[i])))));
                 break;
             case ADD:
-                if (debug == 1) printf("add: %i + %i\n",peek(stack, 2),peek(stack, 1)); 
-                push(stack, stackSlotWithObjRef(getIntObj(getIntValfromStackSlot(pop(stack)) + getIntValfromStackSlot(pop(stack)))));
+                if (debug == 1) printf("add: %i + %i\n", peek(stack, 2), peek(stack, 1));
+                bip.op1 = pop(stack).u.objRef;
+                bip.op2 = pop(stack).u.objRef;
+                bigAdd();
+                push(stack, stackSlotWithObjRef(bip.res));
                 break;
             case SUB:
                 if (debug == 1) printf("sub: %i - %i\n", peek(stack, 2), peek(stack, 1));
@@ -69,7 +73,8 @@ void execute(struct program program) {
                 break;
             case MUL:
                 if (debug == 1) printf("mul: %i * %i\n", peek(stack, 2), peek(stack, 1));
-                push(stack, stackSlotWithObjRef(getIntObj(getIntValfromStackSlot(pop(stack)) * getIntValfromStackSlot(pop(stack)))));
+                push(stack, stackSlotWithObjRef(
+                        getIntObj(getIntValfromStackSlot(pop(stack)) * getIntValfromStackSlot(pop(stack)))));
                 break;
             case DIV:
                 if (debug == 1) printf("div: %i / %i\n", peek(stack, 2), peek(stack, 1));
@@ -119,7 +124,7 @@ void execute(struct program program) {
                 if (debug == 1) printf("rsf: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
                 *stack.current = fp;
                 if (debug == 1) printf("pop: %i\n", peek(stack, 1));
-                tempSlot = pop(stack) ;
+                tempSlot = pop(stack);
                 fp = tempSlot.u.number;
                 break;
             case POPL:
@@ -132,12 +137,18 @@ void execute(struct program program) {
                 break;
             case NE:
                 if (debug == 1) printf("ne: %i != %i\n", peek(stack, 2), peek(stack, 1));
-                if (getIntValfromStackSlot(pop(stack)) != getIntValfromStackSlot(pop(stack))) push(stack, stackSlotWithObjRef(getIntObj(1)));
+                if (getIntValfromStackSlot(pop(stack)) != getIntValfromStackSlot(pop(stack))) push(stack,
+                                                                                                   stackSlotWithObjRef(
+                                                                                                           getIntObj(
+                                                                                                                   1)));
                 else push(stack, stackSlotWithObjRef(getIntObj(0)));
                 break;
             case EQ:
                 if (debug == 1) printf("eq: %i == %i\n", peek(stack, 2), peek(stack, 1));
-                if (getIntValfromStackSlot(pop(stack)) == getIntValfromStackSlot(pop(stack))) push(stack, stackSlotWithObjRef(getIntObj(1)));
+                if (getIntValfromStackSlot(pop(stack)) == getIntValfromStackSlot(pop(stack))) push(stack,
+                                                                                                   stackSlotWithObjRef(
+                                                                                                           getIntObj(
+                                                                                                                   1)));
                 else push(stack, stackSlotWithObjRef(getIntObj(0)));
                 break;
             case LT:
@@ -199,21 +210,21 @@ void execute(struct program program) {
                 if (debug == 1) printf("new i: %i\n", i);
                 break;
             case DROP:
-                if(debug ==1) printf("drop\n");
+                if (debug == 1) printf("drop\n");
                 *stack.current = *stack.current - SIGN_EXTEND(IMMEDIATE(program.program[i]));
                 break;
             case DUP:
-                if (debug==1) printf("dup\n");
+                if (debug == 1) printf("dup\n");
                 tempObj = pop(stack).u.objRef;
                 push(stack, stackSlotWithObjRef(tempObj));
                 push(stack, stackSlotWithObjRef(tempObj));
                 break;
             case POPR:
-                if (debug==1) printf("popr")  ;
+                if (debug == 1) printf("popr");
                 push(reg, pop(stack));
                 break;
             case PUSHR:
-                if(debug == 1) printf("pushr");
+                if (debug == 1) printf("pushr");
                 push(stack, pop(reg));
                 break;
         }
@@ -234,7 +245,7 @@ int main(int argc, char *argv[]) {
     stack.size = &size;
     stack.current = &current;
     stack.stack = s;
-    
+
     // Initialize the registery
     int rSize = SIZE;
     int rCurrent = 0;
@@ -267,7 +278,7 @@ int main(int argc, char *argv[]) {
             } else if (strcmp(argv[i], "--stack") == 0) {
                 i++;
                 // TODO: implement stack size
-            } else if(strcmp(argv[i], "--heap") == 0) {
+            } else if (strcmp(argv[i], "--heap") == 0) {
                 i++;
                 // TODO: implement heap size
             } else {
diff --git a/njvm.o b/njvm.o
index 0390d91..d790adb 100644
Binary files a/njvm.o and b/njvm.o differ
diff --git a/support.o b/support.o
index b9bac9c..83da1f6 100644
Binary files a/support.o and b/support.o differ