diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c5f939a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,135 @@
+./node_modules/
+./test.lisp
+./test.mms
+./test.mmo
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+.cache
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
\ No newline at end of file
diff --git a/js/ctx.js b/js/ctx.js
index e487a0e..b9b5d8f 100644
--- a/js/ctx.js
+++ b/js/ctx.js
@@ -1,7 +1,23 @@
+import { link } from "fs";
 import { error } from "./lexer.js";
 
 export class context{
     #list = {};
+    #types = {
+        u8:  { size: 1,type: 0, content: false },
+        u16: { size: 2,type: 0, content: false },
+        u32: { size: 4,type: 0, content: false },
+        u64: { size: 8,type: 0, content: false },
+        i8:  { size: 1,type: 1, content: false },
+        i16: { size: 2,type: 1, content: false },
+        i32: { size: 4,type: 1, content: false },
+        i64: { size: 8,type: 1, content: false },
+        f32: { size: 4,type: 2, content: false },
+        f64: { size: 8,type: 2, content: false },
+        char: {link:"u8"},
+        bool: {link:"u8"},
+        b: {link:"bool"},
+    };
     constructor(){
         console.log("create");
     }
@@ -18,6 +34,16 @@ export class context{
         if(!elem) error("Can not find '"+name+"' in context!");
         return elem;
     }
+
+    getType(name){
+        let type;
+        do{
+            if (type) type = this.#types[type.link]
+            else type = this.#types[name];
+        }while(type.link);
+        return type;
+    }
+
     build(){
         let out = `
         LOC Data_Segment
diff --git a/js/nativefunc.js b/js/nativefunc.js
index 77ec4d4..05e657f 100644
--- a/js/nativefunc.js
+++ b/js/nativefunc.js
@@ -2,8 +2,8 @@ import { createType, error, LISPcmd } from "./lexer.js";
 import { convertType, getOutType } from "./types.js"
 
 export default {
-    "+": ({execute, data, target, nid, ctx}) => {
-        let params = data.array.slice(1).map((d, i) => execute({data:d, target:target + (i ? 0 : 1)}));
+    "+": ({ execute, data, target, nid, ctx }) => {
+        let params = data.array.slice(1).map((d, i) => execute({ data: d, target: target + (i ? 0 : 1) }));
         let outType = getOutType(...params.map(d => d.type));
         return {
             type: outType,
@@ -15,23 +15,56 @@ export default {
                 return [
                     d.code,
                     convertType(d.type, outType, target + 1),
-                    `       ${(["ADDU","ADD","FADD"])[outType]}  $${target},$${target},$${target+1}`
+                    `       ${(["ADDU", "ADD", "FADD"])[outType]}  $${target},$${target},$${target + 1}`
                 ];
             }).flat(Infinity).join("\n")
         }
     },
-    defvar: ({ execute, data, target, nid, ctx })=>{
+    "-": ({ execute, data, target, nid, ctx }) => {
+        let params = data.array.slice(1).map((d, i) => execute({ data: d, target: target + (i ? 0 : 1) }));
+        let outType = getOutType(...params.map(d => d.type));
+        return {
+            type: outType,
+            code: params.map((d, i) => {
+                if (i == 0) return [
+                    d.code,
+                    convertType(d.type, outType, target)
+                ];
+                return [
+                    d.code,
+                    convertType(d.type, outType, target + 1),
+                    `       ${(["SUBU", "SUB", "FSUB"])[outType]}  $${target},$${target},$${target + 1}`
+                ];
+            }).flat(Infinity).join("\n")
+        }
+    },
+    defvar: ({ execute, data, target, nid, ctx }) => {
         let param = data[3];
-        let [type,d] = createType(param);
-        if(type == "var" || type == "code"){
-            error("devfar with input is not implemented yet.",...param.pos)
-        }else{
+        let [type, d] = createType(param);
 
-            ctx.add({ name: data[1]+"V", size: (Number(data[2].substring(1)) ?? 64) / 8, amount: 1, type: (((["u","i","f"]).indexOf(data[2].substring(0,1))+1)||1)-1,content:param });
+        let varType = ctx.getType(data[2]);
+        if (varType.content) error("A variable only can be created with a primitive Type.", ...data[2].pos);
+
+        if (type == "var" || type == "code") {
+            error("devfar with input is not implemented yet.", ...param.pos)
+        } else {
+            ctx.add({ name: data[1] + "V", size: varType.size, amount: 1, type: varType.type, content: param });
             return {
-                code:"",
-                type:0
+                code: "",
+                type: 0
             }
         }
+    },
+    defarr: ({ execute, data, target, nid, ctx }) => {
+        let param = data.slice(3).map(d => Number(d));
+        let varType = ctx.getType(data[2]);
+        let amount = param.reduce((v, c) => v * c, 1);
+
+        ctx.add({ name: data[1] + "V", size: varType.size, amount: amount, type: varType.type, content: param });
+
+        return {
+            code: "",
+            type: 0
+        };
     }
 }
diff --git a/node_modules/.package-lock.json b/node_modules/.package-lock.json
deleted file mode 100644
index d6b9ba7..0000000
--- a/node_modules/.package-lock.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "name": "lisptommix",
-  "version": "0.0.1",
-  "lockfileVersion": 2,
-  "requires": true,
-  "packages": {
-    "node_modules/fs": {
-      "version": "0.0.1-security",
-      "resolved": "https://registry.npmjs.org/fs/-/fs-0.0.1-security.tgz",
-      "integrity": "sha512-3XY9e1pP0CVEUCdj5BmfIZxRBTSDycnbqhIOGec9QYtmVH2fbLpj86CFWkrNOkt/Fvty4KZG5lTglL9j/gJ87w=="
-    }
-  }
-}
diff --git a/node_modules/fs/README.md b/node_modules/fs/README.md
deleted file mode 100644
index 5e9a74c..0000000
--- a/node_modules/fs/README.md
+++ /dev/null
@@ -1,9 +0,0 @@
-# Security holding package
-
-This package name is not currently in use, but was formerly occupied
-by another package. To avoid malicious use, npm is hanging on to the
-package name, but loosely, and we'll probably give it to you if you
-want it.
-
-You may adopt this package by contacting support@npmjs.com and
-requesting the name.
diff --git a/node_modules/fs/package.json b/node_modules/fs/package.json
deleted file mode 100644
index 11661b0..0000000
--- a/node_modules/fs/package.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-  "name": "fs",
-  "version": "0.0.1-security",
-  "description": "",
-  "main": "index.js",
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
-  },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/npm/security-holder.git"
-  },
-  "keywords": [],
-  "author": "",
-  "license": "ISC",
-  "bugs": {
-    "url": "https://github.com/npm/security-holder/issues"
-  },
-  "homepage": "https://github.com/npm/security-holder#readme"
-}
diff --git a/test.lisp b/test.lisp
deleted file mode 100644
index af30cc1..0000000
--- a/test.lisp
+++ /dev/null
@@ -1,2 +0,0 @@
-(defvar x:u16 5)
-(+ 5 x)
\ No newline at end of file
diff --git a/test.mmo b/test.mmo
deleted file mode 100644
index 40d5803..0000000
Binary files a/test.mmo and /dev/null differ
diff --git a/test.mms b/test.mms
deleted file mode 100644
index 658487e..0000000
--- a/test.mms
+++ /dev/null
@@ -1,11 +0,0 @@
-
-        LOC Data_Segment
-        GREG    @
-
-xV    WYDE  5
-      LOC     #100
-Main        SET  $1,5
-//no type conversion nessesary
-       LDWU  $0,xV
-//no type conversion nessesary
-       ADDU  $0,$0,$1
\ No newline at end of file