Added a debug menue

fix call not jumping

.gitignore

@@ -0,0 +1,6 @@
+.idea
+cmake-build-debug
+njvm
+njvm.dSYM
+njvm.exe
+njvm2

.idea/.gitignore

@@ -1,8 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
-# Editor-based HTTP Client requests
-/httpRequests/
-# Datasource local storage ignored files
-/dataSources/
-/dataSources.local.xml

.idea/modules.xml

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/ninja.iml" filepath="$PROJECT_DIR$/.idea/ninja.iml" />
-    </modules>
-  </component>
-</project>

.idea/ninja.iml

@@ -1,2 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module classpath="CMake" type="CPP_MODULE" version="4" />

.idea/vcs.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="" vcs="Git" />
-  </component>
-</project>

CMakeLists.txt

@@ -2,11 +2,8 @@ cmake_minimum_required(VERSION 3.0)
 project(ninja LANGUAGES C)
 
 set(CMAKE_C_STANDARD 99)
-set(PROJECT_VERSION 0)
+
-configure_file(
+add_compile_options(-g -Wall -pedantic)
-        ${CMAKE_SOURCE_DIR}/config.h.in
+
-        ${CMAKE_BINARY_DIR}/config.h
+add_executable(ninja njvm.c
-)
+        SDA.c)
-include_directories(${CMAKE_BINARY_DIR})
-add_executable(ninja
-        njvm.c config.h.in)

Makefile

@@ -0,0 +1,35 @@
+# Makefile for a simple C program
+
+# Compiler
+CC = gcc
+
+# program to Run
+F = prog.bin
+
+# Compiler flags
+CFLAGS = -g -Wall -std=c99 -pedantic
+
+# Source file
+SRC = njvm.c
+
+# Executable name
+TARGET = njvm
+
+# Default target
+all: 
+	$(CC) $(CFLAGS) -o $(TARGET) $(SRC)
+# Clean up
+clean:
+	rm -f $(OBJ) $(TARGET)
+
+debug: all
+	./$(TARGET) --debug $(F) 
+
+run: all
+	./$(TARGET) $(F)
+
+nja:	./nja/nja$(V)
+	./nja/nja$(V) $(IN) $(OUT)
+
+njc: ./njc/njc$(V)
+	./njc/njc$(V) $(IN) $(OUT)

SDA.c

@@ -0,0 +1,27 @@
+//
+// Created by Nils on 03.12.2023
+//
+#ifndef SDA
+#define SDA
+#include <stdio.h>
+#include "stackslot.c"
+struct sda {
+    int *size;
+    ObjRef *sda;
+};
+
+ObjRef getSDA(int i, struct sda s) {
+    return s.sda[i];
+}
+
+void setSDA(int point, ObjRef val, struct sda s) {
+    s.sda[point] = val;
+}
+
+void printSDA(struct sda s) {
+    for (int i = 0; i < *s.size; i++) {
+        printf("%i\n", *(int *)getSDA(i, s)->data);
+    }
+}
+
+#endif

code.c

@@ -0,0 +1,38 @@
+#ifndef CODE
+
+#define CODE
+
+#include "instruktion.c"
+
+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(SIGN_EXTEND(-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)
+};
+#endif

codeReader.c

@@ -0,0 +1,37 @@
+#ifndef CODEREADER
+#define CODEREADER
+
+#include "consts.c"
+#include <stdio.h>
+#include <stdlib.h>
+#include "program.c"
+
+unsigned int fromFile(char *path, struct program program) {
+    unsigned int countInstructions;
+    unsigned int staticVars;
+    FILE *fptr;
+    fptr = fopen(path, "r");
+    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 */

config.h.in

@@ -1 +0,0 @@
-#define PROJECT_VERSION @PROJECT_VERSION@

consts.c

@@ -0,0 +1,7 @@
+#ifndef CONSTS
+#define CONSTS
+#define VERSION 5
+
+#endif /* ifndef CONSTS
+#define CONSTS
+#define VERSION 2; */

debugMenu.c

@@ -0,0 +1,40 @@
+#ifndef DEBUGMENU
+#define DEBUGMENU
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "stack.c"
+#include "stack.c"
+
+void inspect(struct stack s, int fp){
+  char input[20];
+  printf("DEBUG [inspect]: stack, datam object?");
+  fgets(input,20,stdin);
+  if (input[0] == 's') printStack(s, fp);
+  if (input[0] == 'd'){/* todo */ }
+  if (input[0] == 'o'){/* todo */}
+}
+void list(){
+  //todo
+}
+void breakpoint(){
+  //todo
+}
+
+void debugMenu(int fp, struct stack stack, int* debug){
+  char input[20];
+  while (true) {
+    printf("DEBUG: inspect, list, breakpoint, run, step, quit?");
+    fgets(input, 20, stdin);
+    printf("%s",input);
+    if(input[0] == 'i') {inspect(stack,fp);}
+    if(input[0] == 'l') list();
+    if(input[0] == 'b') breakpoint();
+    if(input[0] == 's') break;
+    if(input[0] == 'r') {*debug = 0; break;};
+    if(input[0] == 'q') exit(0);
+    strcpy(input, "");
+  }
+}
+
+#endif /* ifndef DEBUGMENU */

instruktion.c

@@ -0,0 +1,41 @@
+#ifndef INSREUKTION
+#define INSREUKTION
+
+#define IMMEDIATE(x) ((x) & 0x00FFFFFF)
+
+#define SIGN_EXTEND(i) ((i) & 0x00800000 ? (i) | 0xFF000000 : (i))
+
+#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
+#define PUSHG 11
+#define POPG 12
+#define ASF 13
+#define RSF 14
+#define PUSHL 15
+#define POPL 16
+#define EQ 17
+#define NE 18
+#define LT 19
+#define LE 20
+#define GT 21
+#define GE 22
+#define JMP 23
+#define BRF 24
+#define BRT 25
+#define CALL 26
+#define RET 27
+#define DROP 28
+#define PUSHR 29
+#define POPR 30
+#define DUP 31
+
+#endif /* ifndef INSREUKTION */

njc/njc4

@@ -0,0 +1,14 @@
+--2024-01-14 15:07:13--  https://git.thm.de/arin07/KSP_public/-/raw/master/aufgaben/a4/njc?inline=false
+Loaded CA certificate '/etc/ssl/certs/ca-certificates.crt'
+Resolving git.thm.de (git.thm.de)... 212.201.6.138
+Connecting to git.thm.de (git.thm.de)|212.201.6.138|:443... connected.
+HTTP request sent, awaiting response... 200 OK
+Length: 137095 (134K) [application/octet-stream]
+Saving to: ‘njc?inline=false’
+
+     0K .......... .......... .......... .......... .......... 37% 1.23M 0s
+    50K .......... .......... .......... .......... .......... 74% 2.63M 0s
+   100K .......... .......... .......... ...                  100% 9.98M=0.06s
+
+2024-01-14 15:07:14 (2.13 MB/s) - ‘njc?inline=false’ saved [137095/137095]
+

njc/njc5

@@ -0,0 +1,14 @@
+--2024-01-14 15:07:20--  https://git.thm.de/arin07/KSP_public/-/raw/master/aufgaben/a5/njc?inline=false
+Loaded CA certificate '/etc/ssl/certs/ca-certificates.crt'
+Resolving git.thm.de (git.thm.de)... 212.201.6.138
+Connecting to git.thm.de (git.thm.de)|212.201.6.138|:443... connected.
+HTTP request sent, awaiting response... 200 OK
+Length: 137095 (134K) [application/octet-stream]
+Saving to: ‘njc?inline=false.1’
+
+     0K .......... .......... .......... .......... .......... 37% 1.21M 0s
+    50K .......... .......... .......... .......... .......... 74% 2.51M 0s
+   100K .......... .......... .......... ...                  100% 11.2M=0.06s
+
+2024-01-14 15:07:21 (2.08 MB/s) - ‘njc?inline=false.1’ saved [137095/137095]
+

njc/njc6

@@ -0,0 +1,14 @@
+--2024-01-14 15:07:28--  https://git.thm.de/arin07/KSP_public/-/raw/master/aufgaben/a6/njc?inline=false
+Loaded CA certificate '/etc/ssl/certs/ca-certificates.crt'
+Resolving git.thm.de (git.thm.de)... 212.201.6.138
+Connecting to git.thm.de (git.thm.de)|212.201.6.138|:443... connected.
+HTTP request sent, awaiting response... 200 OK
+Length: 137095 (134K) [application/octet-stream]
+Saving to: ‘njc?inline=false.2’
+
+     0K .......... .......... .......... .......... .......... 37% 1.02M 0s
+    50K .......... .......... .......... .......... .......... 74% 2.03M 0s
+   100K .......... .......... .......... ...                  100% 11.4M=0.07s
+
+2024-01-14 15:07:28 (1.74 MB/s) - ‘njc?inline=false.2’ saved [137095/137095]
+

njc/njc7

@@ -0,0 +1,15 @@
+--2024-01-14 15:07:49--  https://git.thm.de/arin07/KSP_public/-/raw/master/aufgaben/a7/njc?inline=false
+Loaded CA certificate '/etc/ssl/certs/ca-certificates.crt'
+Resolving git.thm.de (git.thm.de)... 212.201.6.138
+Connecting to git.thm.de (git.thm.de)|212.201.6.138|:443... connected.
+HTTP request sent, awaiting response... 200 OK
+Length: 166681 (163K) [application/octet-stream]
+Saving to: ‘njc?inline=false.6’
+
+     0K .......... .......... .......... .......... .......... 30% 1.04M 0s
+    50K .......... .......... .......... .......... .......... 61% 2.13M 0s
+   100K .......... .......... .......... .......... .......... 92% 11.2M 0s
+   150K .......... ..                                         100% 14.2M=0.08s
+
+2024-01-14 15:07:49 (2.11 MB/s) - ‘njc?inline=false.6’ saved [166681/166681]
+

njc/njc8

@@ -0,0 +1,15 @@
+--2024-01-14 15:07:46--  https://git.thm.de/arin07/KSP_public/-/raw/master/aufgaben/a8/njc?inline=false
+Loaded CA certificate '/etc/ssl/certs/ca-certificates.crt'
+Resolving git.thm.de (git.thm.de)... 212.201.6.138
+Connecting to git.thm.de (git.thm.de)|212.201.6.138|:443... connected.
+HTTP request sent, awaiting response... 200 OK
+Length: 166681 (163K) [application/octet-stream]
+Saving to: ‘njc?inline=false.5’
+
+     0K .......... .......... .......... .......... .......... 30% 1.20M 0s
+    50K .......... .......... .......... .......... .......... 61% 2.53M 0s
+   100K .......... .......... .......... .......... .......... 92% 6.70M 0s
+   150K .......... ..                                         100% 8.97M=0.07s
+
+2024-01-14 15:07:47 (2.31 MB/s) - ‘njc?inline=false.5’ saved [166681/166681]
+

njvm.c

@@ -1,43 +1,291 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
-#include "config.h"
+#include "instruktion.c"
+#include "code.c"
+#include "stack.c"
+#include "program.c"
+#include "codeReader.c"
+#include "SDA.c"
+#include "reg.c"
+#include "debugMenu.c"
 
-void version() {
+// Debug
-    printf("Ninja Virtual Machine version %i (compiled %s, %s)\n", PROJECT_VERSION, __DATE__, __TIME__);
+int debug = 0;
+
+// Stack
+struct stack stack;
+#define SIZE 1000
+
+//Register
+struct reg reg;
+
+// 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__);
 }
 
-void help() {
+void help(void) {
-    printf("usage: ./njvm [option] [option] ...\n\t--version\tshow version and exit\n\t--help\t\tshow this help and exit");
+    printf("Usage: ./njvm [options] <code file>\n\t--debug\tstart virtual machine in debug mode\n\t--version\tshow version and exit\n\t--help\t\tshow this help and exit\n");
 }
-void printArgs(int argc, char *argv[]){
+
-    for (int i = 0; i < argc; ++i) {
+void execute(struct program program) {
-        printf("%s\n", argv[i]);
+    int i;
+    int intInput;
+    unsigned int temp;
+    char charInput;
+    StackSlot tempSlot;
+    for (i = 0; i < *program.size; ++i) {
+        if (debug == 1) debugMenu(fp,stack,&debug);       
+        switch (program.program[i] >> 24) {
+            case HALT:
+                if (debug == 1) printf("halt\n");
+                goto end;
+            case PUSHC:
+                if (debug == 1) printf("pushc: %i\n", IMMEDIATE(program.program[i]));
+                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)))));
+                break;
+            case SUB:
+                if (debug == 1) printf("sub: %i - %i\n", peek(stack, 2), peek(stack, 1));
+                temp = getIntValfromStackSlot(pop(stack));
+                push(stack, stackSlotWithObjRef(getIntObj(getIntValfromStackSlot(pop(stack)) - temp)));
+                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)))));
+                break;
+            case DIV:
+                if (debug == 1) printf("div: %i / %i\n", peek(stack, 2), peek(stack, 1));
+                temp = getIntValfromStackSlot(pop(stack));
+                push(stack, stackSlotWithObjRef(getIntObj(getIntValfromStackSlot(pop(stack)) / temp)));
+                break;
+            case MOD:
+                if (debug == 1) printf("mod: %i %% %i\n", peek(stack, 2), peek(stack, 1));
+                temp = getIntValfromStackSlot(pop(stack));
+                push(stack, stackSlotWithObjRef(getIntObj(getIntValfromStackSlot(pop(stack)))));
+                break;
+            case RDINT:
+                if (debug == 1) printf("rdint\n");
+                scanf("%i", &intInput);
+                push(stack, stackSlotWithObjRef(getIntObj(intInput)));
+                if (debug == 1) printf("pushed %i\n", intInput);
+                break;
+            case WRINT:
+                if (debug == 1) printf("wrint: %i\n", peek(stack, 1));
+                printf("%i", getIntValfromStackSlot(pop(stack)));
+                break;
+            case RDCHR:
+                if (debug == 1) printf("rdchr\n");
+                scanf("%c", &charInput);
+                push(stack, stackSlotWithObjRef(getIntObj(charInput)));
+                if (debug == 1) printf("pushed %c\n", charInput);
+                break;
+            case WRCHR:
+                if (debug == 1) printf("wrchr: %c\n", peek(stack, 1));
+                printf("%c", getIntValfromStackSlot(pop(stack)));
+                break;
+            case PUSHG:
+                if (debug == 1) printf("pushg: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
+                push(stack, stackSlotWithObjRef(getSDA(SIGN_EXTEND(IMMEDIATE(program.program[i])), sda)));
+                break;
+            case POPG:
+                if (debug == 1) printf("popg: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
+                setSDA(SIGN_EXTEND(IMMEDIATE(program.program[i])), pop(stack).u.objRef, sda);
+                break;
+            case ASF:
+                if (debug == 1) printf("asf: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
+                push(stack, stackSlotWitchNumber(fp));
+                fp = *stack.current;
+                *stack.current = *stack.current + SIGN_EXTEND(IMMEDIATE(program.program[i]));
+                break;
+            case RSF:
+                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) ;
+                fp = getIntValfromStackSlot(tempSlot);
+                break;
+            case POPL:
+                if (debug == 1) printf("popl: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
+                stack.stack[fp + SIGN_EXTEND(IMMEDIATE(program.program[i]))] = pop(stack);
+                break;
+            case PUSHL:
+                if (debug == 1) printf("pushl: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
+                push(stack, stack.stack[fp + SIGN_EXTEND(IMMEDIATE(program.program[i]))]);
+                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, stackSlotWitchNumber(1));
+                else push(stack, stackSlotWitchNumber(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, stackSlotWitchNumber(1));
+                else push(stack, stackSlotWitchNumber(0));
+                break;
+            case LT:
+                if (debug == 1) printf("lt: %i < %i\n", peek(stack, 2), peek(stack, 1));
+                temp = getIntValfromStackSlot(pop(stack));
+                if (getIntValfromStackSlot(pop(stack)) < temp) push(stack, stackSlotWitchNumber(1));
+                else push(stack, stackSlotWitchNumber(0));
+                break;
+            case LE:
+                if (debug == 1) printf("le: %i <= %i\n", peek(stack, 2), peek(stack, 1));
+                temp = getIntValfromStackSlot(pop(stack));
+                if (getIntValfromStackSlot(pop(stack)) <= temp) push(stack, stackSlotWitchNumber(1));
+                else push(stack, stackSlotWitchNumber(0));
+                break;
+            case GT:
+                if (debug == 1) printf("gt: %i > %i\n", peek(stack, 2), peek(stack, 1));
+                temp = getIntValfromStackSlot(pop(stack));
+                if (getIntValfromStackSlot(pop(stack)) > temp) push(stack, stackSlotWitchNumber(1));
+                else push(stack, stackSlotWitchNumber(0));
+                break;
+            case GE:
+                if (debug == 1) printf("ge: %i >= %i\n", peek(stack, 2), peek(stack, 1));
+                temp = getIntValfromStackSlot(pop(stack));
+                if (getIntValfromStackSlot(pop(stack)) >= temp) push(stack, stackSlotWitchNumber(1));
+                else push(stack, stackSlotWitchNumber(0));
+                break;
+            case BRF:
+                if (debug == 1) printf("brf: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
+                if (debug == 1) printf("pop: %i\n", peek(stack, 1));
+                if (getIntValfromStackSlot(pop(stack)) == 0) {
+                    i = SIGN_EXTEND(IMMEDIATE(program.program[i])) - 1;
+                    if (debug == 1) printf("new i: %i\n", i);
                 }
+                break;
+            case BRT:
+                if (debug == 1) printf("brt: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
+                if (debug == 1) printf("pop: %i\n", peek(stack, 1));
+                if (getIntValfromStackSlot(pop(stack)) == 1) {
+                    i = SIGN_EXTEND(IMMEDIATE(program.program[i])) - 1;
+                    if (debug == 1) printf("new i: %i\n", i);
+                }
+                break;
+            case JMP:
+                if (debug == 1) printf("jmp: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
+                i = SIGN_EXTEND(IMMEDIATE(program.program[i])) - 1;
+                if (debug == 1) printf("new i: %i\n", i);
+                break;
+            case CALL:
+                if (debug == 1) printf("call: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
+                push(stack, stackSlotWitchNumber(i));
+                if (debug == 1) printf("push: %i\n", i + 1);
+                i = SIGN_EXTEND(IMMEDIATE(program.program[i])) - 1;
+                if (debug == 1) printf("new i: %i\n", i);
+                break;
+            case RET:
+                if (debug == 1) printf("ret\n");
+                if (debug == 1) printf("pop: %i\n", peek(stack, 1));
+                i = getIntValfromStackSlot(pop(stack));
+                if (debug == 1) printf("new i: %i\n", i);
+                break;
+            case DROP:
+                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");
+                temp = getIntValfromStackSlot(pop(stack));
+                push(stack, stackSlotWitchNumber(temp));
+                push(stack, stackSlotWitchNumber(temp));
+                break;
+            case POPR:
+                if (debug==1) printf("popr")  ;
+                pushR(reg, getIntValfromStackSlot(pop(stack)));
+                if(debug == 1) printStackR(reg);
+                break;
+            case PUSHR:
+                if(debug == 1) printf("pushr");
+                push(stack, stackSlotWitchNumber(popR(reg)));
+                if(debug == 1) printStackR(reg);
+                break;
+        }
+    }
+    end:
+    return;
 }
-void useption(int argc, char *argv[]){
+
-    if (argc > 1) {
+void tests(void) {
-        if (strcmp(argv[1], "--version") == 0) {
+
-            version();
-        } else if (strcmp(argv[1], "--help") == 0) {
-            help();
-        } else if (argc != 0) {
-            printf("unknown command line argument '%s', try './njvm --help'", argv[1]);
-        }
-    }
 }
 
 int main(int argc, char *argv[]) {
-    printArgs(argc,argv);
+    // Initialize the Stack
-    if (argc > 1)   useption(argc,argv);
+    int size = SIZE;
-    else {
+    int current = 0;
+    StackSlot s[SIZE];
+    stack.size = &size;
+    stack.current = &current;
+    stack.stack = s;
     
-//    Started
+    // Initialize the registery
-        printf("Ninja Virtual Machine started\n");
+    int rSize = SIZE;
+    int rCurrent = 0;
+    unsigned int r[SIZE];
+    reg.size = &rSize;
+    reg.current = &rCurrent;
+    reg.stack = r;
 
+    // Initialize ProgrammSpeicher
+    int psize = 1000;
+    int saveProgram = 0;
+    unsigned int p[1000];
+    program.size = &psize;
+    program.program = p;
+    program.saveProgram = &saveProgram;
 
+    int run = 0;
+    int sizeSDA;
 
-//    Stopped
+    if (argc > 1) {
-        printf("Ninja Virtual Machine stopped\n");
+        for (int i = 1; i < argc; ++i) {
+            if (strcmp(argv[i], "--debug") == 0) {
+                debug = 1;
+            } else if (strcmp(argv[i], "--version") == 0) {
+                version();
                 return 0;
+            } else if (strcmp(argv[i], "--help") == 0) {
+                help();
+                return 0;
+            } else if (strcmp(argv[i], "--stack") == 0) {
+                i++;
+                // TODO: implement stack size
+            } else if(strcmp(argv[i], "--heap") == 0) {
+                i++;
+                // TODO: implement heap size
+            } else {
+                sizeSDA = fromFile(argv[i], program);
+                run = 1;
+            }
+        }
+    }
+
+    if (debug) {
+        tests();
+    }
+
+    if (run) {
+        printf("Ninja Virtual Machine started\n");
+        ObjRef s[sizeSDA];
+        sda.size = &sizeSDA;
+        sda.sda = s;
+        if (debug == 1) printProgram(program);
+        execute(program);
+        printf("Ninja Virtual Machine stopped\n");
+    } else {
+        printf("Error: no code file specified\n");
+        return 1;
     }
 }

program.c

@@ -0,0 +1,134 @@
+/*
+ * Created by Nils on 30.10.2023.
+ */
+#ifndef PROGRAM
+#define PROGRAM
+
+#include <string.h>
+#include "instruktion.c"
+#include <stdio.h>
+
+struct program {
+    int *size;
+    unsigned int *program;
+    int *saveProgram;
+};
+
+void copyToProgram(const unsigned int codeToCopy[], int size, struct program program) {
+    for (int i = 0; i < size; ++i) {
+        program.program[i] = codeToCopy[i];
+    }
+    *program.size = size;
+    *program.saveProgram = 1;
+}
+
+void printProgram(struct program program) {
+    char c[10];
+    for (int i = 0; i < *program.size; i++) {
+        switch (program.program[i] >> 24) {
+            case PUSHC:
+                strcpy(c, "pushc");
+                break;
+            case ADD:
+                strcpy(c, "add");
+                break;
+            case SUB:
+                strcpy(c, "sub");
+                break;
+            case MUL:
+                strcpy(c, "mul");
+                break;
+            case DIV:
+                strcpy(c, "div");
+                break;
+            case MOD:
+                strcpy(c, "mod");
+                break;
+            case RDINT:
+                strcpy(c, "rdint");
+                break;
+            case WRINT:
+                strcpy(c, "wrint");
+                break;
+            case RDCHR:
+                strcpy(c, "rdchr");
+                break;
+            case WRCHR:
+                strcpy(c, "wrchr");
+                break;
+            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;
+            case EQ:
+                strcpy(c, "eq");
+                break;
+            case NE:
+                strcpy(c, "ne");
+                break;
+            case LT:
+                strcpy(c, "lt");
+                break;
+            case LE:
+                strcpy(c, "le");
+                break;
+            case GT:
+                strcpy(c, "gt");
+                break;
+            case GE:
+                strcpy(c, "ge");
+                break;
+            case JMP:
+                strcpy(c, "jmp");
+                break;
+            case BRF:
+                strcpy(c, "brf");
+                break;
+            case BRT:
+                strcpy(c, "brt");
+                break;
+            case CALL:
+                strcpy(c, "call");
+                break;
+            case RET:
+                strcpy(c, "ret");
+                break;
+            case DROP:
+                strcpy(c, "drop");
+                break;
+            case PUSHR:
+                strcpy(c, "pushr");
+                break;
+            case POPR:
+                strcpy(c, "popr");
+                break;
+            case DUP:
+                strcpy(c, "dup");
+                break;
+            default:
+                strcpy(c, "ERROR");
+                break;
+        }
+        IMMEDIATE(program.program[i]) ? printf("%03i:\t%s\t%i\n", i, c, SIGN_EXTEND(IMMEDIATE(program.program[i]))) : printf(
+                "%03i:\t%s\n", i, c);
+    }
+}
+
+#endif /* ifndef PROGRAMM */

programs/prog02.asm

@@ -0,0 +1,28 @@
+//
+// prog02.asm -- call/ret with args, but without ret value
+//
+
+	asf	3
+	pushc	11
+	pushc	33
+	call	proc
+	drop	2
+	rsf
+	halt
+
+proc:
+	asf	2
+	pushl	-4
+	wrint
+	pushc	'\n'
+	wrchr
+	pushc	22
+	wrint
+	pushc	'\n'
+	wrchr
+	pushl	-3
+	wrint
+	pushc	'\n'
+	wrchr
+	rsf
+	ret

programs/prog04.asm

@@ -0,0 +1,32 @@
+//
+// prog04.asm -- call/ret with args, and with ret value
+//
+
+	asf	3
+	pushc	11
+	wrint
+	pushc	'\n'
+	wrchr
+	pushc	11
+	pushc	33
+	call	proc
+	drop	2
+	pushr
+	wrint
+	pushc	'\n'
+	wrchr
+	pushc	33
+	wrint
+	pushc	'\n'
+	wrchr
+	rsf
+	halt
+
+proc:
+	asf	2
+	pushl	-3
+	pushl	-4
+	sub
+	popr
+	rsf
+	ret

programs/prog1.asm

@@ -0,0 +1,31 @@
+//
+// prog1.asm -- an assembler example with global variables
+//
+
+// global Integer x;
+// global Integer y;
+// x = 2;
+// y = x + 3;
+// x = 7 * y + x;
+// writeInteger(x + -33);
+// writeCharacter('\n');
+
+	pushc	2
+	popg	0
+	pushg	0
+	pushc	3
+	add
+	popg	1
+	pushc	7
+	pushg	1
+	mul
+	pushg	0
+	add
+	popg	0
+	pushg	0
+	pushc	-33
+	add
+	wrint
+	pushc	'\n'
+	wrchr
+	halt

programs/prog1.asm?inline=false

@@ -0,0 +1,31 @@
+//
+// prog1.asm -- an assembler example with global variables
+//
+
+// global Integer x;
+// global Integer y;
+// x = 2;
+// y = x + 3;
+// x = 7 * y + x;
+// writeInteger(x + -33);
+// writeCharacter('\n');
+
+	pushc	2
+	popg	0
+	pushg	0
+	pushc	3
+	add
+	popg	1
+	pushc	7
+	pushg	1
+	mul
+	pushg	0
+	add
+	popg	0
+	pushg	0
+	pushc	-33
+	add
+	wrint
+	pushc	'\n'
+	wrchr
+	halt

programs/prog2.asm

@@ -0,0 +1,33 @@
+//
+// prog2.asm -- an assembler example with local variables
+//
+
+// local Integer x;
+// local Integer y;
+// x = 2;
+// y = x + 3;
+// x = 7 * y + x;
+// writeInteger(x + -33);
+// writeCharacter('\n');
+
+	asf	2
+	pushc	2
+	popl	0
+	pushl	0
+	pushc	3
+	add
+	popl	1
+	pushc	7
+	pushl	1
+	mul
+	pushl	0
+	add
+	popl	0
+	pushl	0
+	pushc	-33
+	add
+	wrint
+	pushc	'\n'
+	wrchr
+	rsf
+	halt

programs/prog3.asm

@@ -0,0 +1,9 @@
+	pushc 1
+  asf	2
+  asf 4
+  pushc 23
+  asf 3
+  rsf
+  rsf
+  rsf
+	halt

programs/prog4.asm

@@ -0,0 +1,61 @@
+//
+// prog1.asm -- an assembler example with global variables
+//
+
+//
+// compute the gcd of two positive numbers
+//
+// global Integer x;
+// global Integer y;
+// x = readInteger();
+// y = readInteger();
+// while (x != y) {
+//   if (x > y) {
+//     x = x - y;
+//   } else {
+//     y = y - x;
+//   }
+// }
+// writeInteger(x);
+// writeCharacter('\n');
+
+	// x = readInteger();
+	rdint
+	popg	0
+	// y = readInteger();
+	rdint
+	popg	1
+	// while ...
+L1:
+	// x != y
+	pushg	0
+	pushg	1
+	ne
+	brf	L2
+	// if ...
+	pushg	0
+	pushg	1
+	gt
+	brf	L3
+	// x = x - y
+	pushg	0
+	pushg	1
+	sub
+	popg	0
+	jmp	L4
+L3:
+	// y = y - x
+	pushg	1
+	pushg	0
+	sub
+	popg	1
+L4:
+	jmp	L1
+L2:
+	// writeInteger(x);
+	pushg	0
+	wrint
+	// writeCharacter('\n');
+	pushc	'\n'
+	wrchr
+	halt

programs/prog5.asm

@@ -0,0 +1,63 @@
+//
+// prog2.asm -- an assembler example with local variables
+//
+
+//
+// compute the gcd of two positive numbers
+//
+// local Integer x;
+// local Integer y;
+// x = readInteger();
+// y = readInteger();
+// while (x != y) {
+//   if (x > y) {
+//     x = x - y;
+//   } else {
+//     y = y - x;
+//   }
+// }
+// writeInteger(x);
+// writeCharacter('\n');
+
+	asf	2
+	// x = readInteger();
+	rdint
+	popl	0
+	// y = readInteger();
+	rdint
+	popl	1
+	// while ...
+L1:
+	// x != y
+	pushl	0
+	pushl	1
+	ne
+	brf	L2
+	// if ...
+	pushl	0
+	pushl	1
+	gt
+	brf	L3
+	// x = x - y
+	pushl	0
+	pushl	1
+	sub
+	popl	0
+	jmp	L4
+L3:
+	// y = y - x
+	pushl	1
+	pushl	0
+	sub
+	popl	1
+L4:
+	jmp	L1
+L2:
+	// writeInteger(x);
+	pushl	0
+	wrint
+	// writeCharacter('\n');
+	pushc	'\n'
+	wrchr
+	rsf
+	halt

programs/prog6.asm

@@ -0,0 +1,61 @@
+//
+// prog1.asm -- an assembler example with global variables
+//
+
+//
+// compute the gcd of two positive numbers
+//
+// global Integer x;
+// global Integer y;
+// x = readInteger();
+// y = readInteger();
+// while (x != y) {
+//   if (x > y) {
+//     x = x - y;
+//   } else {
+//     y = y - x;
+//   }
+// }
+// writeInteger(x);
+// writeCharacter('\n');
+
+	// x = readInteger();
+	rdint
+	popg	0
+	// y = readInteger();
+	rdint
+	popg	1
+	// while ...
+L1:
+	// x != y
+	pushg	0
+	pushg	1
+	ne
+	brf	L2
+	// if ...
+	pushg	0
+	pushg	1
+	gt
+	brf	L3
+	// x = x - y
+	pushg	0
+	pushg	1
+	sub
+	popg	0
+	jmp	L4
+L3:
+	// y = y - x
+	pushg	1
+	pushg	0
+	sub
+	popg	1
+L4:
+	jmp	L1
+L2:
+	// writeInteger(x);
+	pushg	0
+	wrint
+	// writeCharacter('\n');
+	pushc	'\n'
+	wrchr
+	halt

programs/prog7.asm

@@ -0,0 +1,17 @@
+//
+// prog04.asm -- call/ret with args, and with ret value
+//
+
+	pushc 12
+  rdint
+  mul
+  wrint
+  call proc
+  halt
+
+proc:
+	asf 1
+  pushc '\n'
+  wrchr
+  rsf
+  ret

reg.c

@@ -0,0 +1,48 @@
+//
+// Created by Nils on 29.10.2023.
+//
+#ifndef REG
+#define REG
+
+#include <stdio.h>
+#include <stdlib.h>
+
+struct reg {
+    int* size;
+    int* current;
+    unsigned int *stack;
+};
+
+void printStackR(struct reg stack) {
+    printf("Regurn reg\nSize:\t\t%i\nCurrent:\t%i\n", *stack.size, *stack.current);
+    for (int i = *stack.current-1; i > 0; --i) {
+        printf("||%i||\n", stack.stack[i]);
+    }
+}
+
+void pushR(struct reg s, unsigned int value) {
+    if (*s.current >= *s.size) {
+        printf("Stack Overflow\n");
+        exit(EXIT_FAILURE);
+    }
+    s.stack[*s.current] = value;
+    *s.current=*s.current + 1;
+}
+
+unsigned int popR(struct reg s) {
+    if (*s.current == 0) {
+        printf("Stack Underflow\n");
+        exit(EXIT_FAILURE);
+    }
+    *s.current = *s.current -1;
+    return s.stack[*s.current];
+}
+
+unsigned int peekR(struct reg s, int steps) {
+    if (*s.current - steps < 0) {
+        printf("Stack Underflow\n");
+        exit(EXIT_FAILURE);
+    }
+    return s.stack[*s.current - steps];
+}
+#endif

stack.c

@@ -0,0 +1,59 @@
+//
+// Created by Nils on 29.10.2023.
+//
+#ifndef STACK
+#define STACK
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "stackslot.c"
+
+struct stack {
+    int* size;
+    int* current;
+    StackSlot *stack;
+};
+
+void printStack(struct stack stack, int fp) {
+    printf("Stack\nSize:\t\t%i\nCurrent:\t%i\n", *stack.size, *stack.current);
+    for (int i = *stack.current -1; i >= 0; --i) {
+        printf("%i\t",i);
+        if(stack.stack[i].isObjRef){
+          printf("|%p|", stack.stack[i].u.objRef);
+          if(stack.stack[i].u.objRef->size == sizeof(int))
+            printf("(%i)",*(int *)stack.stack[i].u.objRef->data);
+        }else { 
+        printf("|%i|", getIntValfromStackSlot(stack.stack[i]));
+      }
+      if(fp == i) printf("<-\tFP\n");
+      else if(*stack.current == i) printf("<-\tSP\n");
+      else printf("\n");
+    }
+}
+
+void push(struct stack s, StackSlot value) {
+    if (*s.current >= *s.size) {
+        printf("Stack Overflow\n");
+        exit(EXIT_FAILURE);
+    }
+    s.stack[*s.current] = value;
+    *s.current=*s.current + 1;
+}
+
+StackSlot pop(struct stack s) {
+    if (*s.current == 0) {
+        printf("Stack Underflow\n");
+        exit(EXIT_FAILURE);
+    }
+    *s.current = *s.current -1;
+    return s.stack[*s.current];
+}
+
+int peek(struct stack s, int steps) {
+    if (*s.current - steps < 0) {
+        printf("Stack Underflow\n");
+        exit(EXIT_FAILURE);
+    }
+    return getIntValfromStackSlot(s.stack[*s.current - steps]);
+}
+#endif

stackslot.c

@@ -0,0 +1,57 @@
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#ifndef STACKSLOT
+#define STACKSLOT
+typedef int Object;
+typedef struct {
+  unsigned int size;
+  unsigned char data[1];
+} *ObjRef;
+
+typedef struct{
+  bool isObjRef;
+  union {
+    ObjRef objRef;
+    int number;
+  } u;
+} StackSlot;
+
+ObjRef getIntObj(int val){
+  ObjRef intObject;
+  unsigned int objSize = sizeof(unsigned int) + sizeof(int);
+  if ((intObject = malloc(objSize)) == NULL) {
+    perror("malloc");
+  }
+  *(int *)intObject->data=val;
+  intObject->size=sizeof(int);
+  return intObject;
+}
+int getValFromIntObj(ObjRef iref){
+  return *(int *)iref->data;
+}
+int getIntValfromStackSlot(StackSlot s){
+  if(s.isObjRef){
+    return *(int *)s.u.objRef->data;
+  }
+  return s.u.number;
+}
+void setValIntObj(ObjRef iref, int val){
+  iref->size=sizeof(int);
+  *(int *)iref->data=val;
+}
+StackSlot stackSlotWithObjRef(ObjRef val){
+  StackSlot *stackSlot;
+  stackSlot=malloc(sizeof(StackSlot));
+  stackSlot->isObjRef=true;
+  stackSlot->u.objRef=val;
+  return *stackSlot;
+}
+StackSlot stackSlotWitchNumber(int val){
+  StackSlot *stackSlot;
+  stackSlot= malloc(sizeof(StackSlot));
+  stackSlot->isObjRef=false;
+  stackSlot->u.number=val;
+  return *stackSlot;
+}
+#endif