diff --git a/src/SVM.Assembler.Core/Assembler.cs b/src/SVM.Assembler.Core/Assembler.cs
index a9d0c17..bbc4fd7 100644
--- a/src/SVM.Assembler.Core/Assembler.cs
+++ b/src/SVM.Assembler.Core/Assembler.cs
@@ -1,5 +1,8 @@
 using LibCLCC.NET.Lexer;
+using LibCLCC.NET.Operations;
+using SVM.Core;
 using System;
+using System.Collections.Generic;
 
 namespace SVM.Assembler.Core
 {
@@ -19,7 +22,10 @@ InstSD sd
 Register \${D}+
 LabelCode \.code\:
 LabelData \.data\:
+ \.const\:
 string "".*""
+word \w*
+GenericLabel {word}\:
 LineEnd \n
 
 OpAdd add
@@ -42,11 +48,54 @@ OpSub BOp
 OpMul BOp
 OpDiv BOp
 LineEnd LE
+GenericLabel LblG
+LabelCode InternalLbl
+LabelData InternalLbl
+LabelConstant InternalLbl
 ";
 		LexerDefinition? definition;
 		public Assembler()
 		{
-			LexerDefinition.TryParse(LexDefinition, out definition);
+			if (LexerDefinition.TryParse(LexDefinition, out definition))
+			{
+				definition.Substitute();
+			}
+		}
+		public OperationResult<IntermediateObject> Assemble(string input, string ID = "main.asm")
+		{
+			StringLexer lexer = new StringLexer();
+			lexer.SetDefinition(definition);
+			lexer.Content = input;
+			lexer.SourceID = ID;
+			OperationResult<IntermediateObject> operationResult = new OperationResult<IntermediateObject>();
+			while (true)
+			{
+				var lexResult = lexer.Lex();
+				if (lexResult.Result == null) break;
+				var r = lexResult.Result;
+				switch (r.LexSegmentId)
+				{
+					case "InternalLbl":
+						break;
+					default:
+						break;
+				}
+			}
+
+			return operationResult;
 		}
 	}
+	[Serializable]
+	public class IntermediateObject
+	{
+		public Dictionary<string, string> data = new Dictionary<string, string>();
+		public List<IntermediateInstruction> instructions = new List<IntermediateInstruction>();
+	}
+	[Serializable]
+	public class IntermediateInstruction
+	{
+		public string? Label = null;
+		public PrimaryInstruction inst;
+		public List<LexSegment> Parameters = new List<LexSegment>();
+	}
 }
diff --git a/src/SVM.Core/SVMInstDef.cs b/src/SVM.Core/PrimaryInstruction.cs
similarity index 97%
rename from src/SVM.Core/SVMInstDef.cs
rename to src/SVM.Core/PrimaryInstruction.cs
index a66407c..32a741e 100644
--- a/src/SVM.Core/SVMInstDef.cs
+++ b/src/SVM.Core/PrimaryInstruction.cs
@@ -1,6 +1,6 @@
 namespace SVM.Core
 {
-	public enum SVMInstDef : byte
+	public enum PrimaryInstruction : byte
 	{
 		// 0	1		2		3		4		5		6
 		// Math	[I]Op	[I]Type	[R]L	[R]R	[R]T	[I]CheckOF
diff --git a/src/SVM.Core/SimpleVirtualMachine.cs b/src/SVM.Core/SimpleVirtualMachine.cs
index ff6019d..9325f5b 100644
--- a/src/SVM.Core/SimpleVirtualMachine.cs
+++ b/src/SVM.Core/SimpleVirtualMachine.cs
@@ -72,7 +72,7 @@ namespace SVM.Core
 
 				switch (def)
 				{
-					case SVMInstDef.BMath:
+					case PrimaryInstruction.BMath:
 						{
 							var Op = Instruction.GetData<BMathOp>(1);
 							var NativeType = Instruction.GetData<SVMNativeTypes>(2);
@@ -102,16 +102,16 @@ namespace SVM.Core
 							}
 						}
 						break;
-					case SVMInstDef.UMath:
+					case PrimaryInstruction.UMath:
 						break;
-					case SVMInstDef.Cvt:
+					case PrimaryInstruction.Cvt:
 						{
 							Convert(Instruction);
 						}
 						break;
-					case SVMInstDef.Cmp:
+					case PrimaryInstruction.Cmp:
 						break;
-					case SVMInstDef.SD:
+					case PrimaryInstruction.SD:
 						{
 							var Reg = Instruction.GetData<byte>(1);
 							PC++;
@@ -120,19 +120,19 @@ namespace SVM.Core
 							registers.SetData(Reg, data);
 						}
 						break;
-					case SVMInstDef.JAL:
+					case PrimaryInstruction.JAL:
 						break;
-					case SVMInstDef.JALF:
+					case PrimaryInstruction.JALF:
 						break;
-					case SVMInstDef.Load:
+					case PrimaryInstruction.Load:
 						break;
-					case SVMInstDef.Save:
+					case PrimaryInstruction.Save:
 						break;
-					case SVMInstDef.Call:
+					case PrimaryInstruction.Call:
 						break;
-					case SVMInstDef.Return:
+					case PrimaryInstruction.Return:
 						break;
-					case SVMInstDef.System:
+					case PrimaryInstruction.System:
 						if (Config != null)
 						{
 							var target = Instruction.GetData<uint>(1);
@@ -142,7 +142,7 @@ namespace SVM.Core
 							}
 						}
 						break;
-					case SVMInstDef.SIMD:
+					case PrimaryInstruction.SIMD:
 						break;
 					default:
 						break;
@@ -351,11 +351,11 @@ namespace SVM.Core
 				return ((T*)(((byte*)dataPtr) + offset))[0];
 			}
 		}
-		public SVMInstDef GetDef()
+		public PrimaryInstruction GetDef()
 		{
 			fixed (ulong* dataPtr = &data)
 			{
-				return ((SVMInstDef*)dataPtr)[0];
+				return ((PrimaryInstruction*)dataPtr)[0];
 			}
 		}
 	}