Hello world finally works.

Sample working code:
.data:
text0 "Hello, World!\n"
.code:
sd.int32 $4 123
sd.int32 $5 321
sd.int32 $10 1
sd.int32 $11 text0
sd.int32 $12 14
sys 4

sd.int32 $10 100
sys 1
bmath add Int32 $4 $5 $6

src/SVM.Advanced/BSDStyleVM/BSDLikeWrapper.cs

@@ -1,6 +1,8 @@
 using SVM.Core;
+using SVM.Core.Utils;
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
 
 namespace SVM.Advanced.BSDStyleVM
@@ -14,7 +16,10 @@ namespace SVM.Advanced.BSDStyleVM
 			this.baseVM = baseVM;
 			baseVM.AdditionalData = this;
 			baseVM.Config = BSDConfig.CreateConfig();
+			FDs.Add(0, new FileDescripter(Console.OpenStandardInput()));
+			FDs.Add(1, new FileDescripter(Console.OpenStandardOutput()));
 		}
+
 	}
 	public class BSDConfig
 	{
@@ -30,6 +35,7 @@ namespace SVM.Advanced.BSDStyleVM
 		public static void SetupSyscall(SVMConfig config)
 		{
 			config.FuncCalls.Add(1, BSDStyleFunctions0.__exit);
+			config.FuncCalls.Add(4, BSDStyleFunctions0.__write);
 		}
 	}
 	public static class BSDStyleFunctions0
@@ -37,9 +43,27 @@ namespace SVM.Advanced.BSDStyleVM
 		public static void __exit(SimpleVirtualMachine machine)
 		{
 			var status = machine.registers.GetData<int>(10);
-			Console.WriteLine("Bye-bye!");
 			Environment.Exit(status);
 		}
+		public static void __write(SimpleVirtualMachine machine)
+		{
+			if (machine.AdditionalData is BSDLikeWrapper w)
+			{
+				var fd = machine.registers.GetData<int>(10);
+				var ptr = machine.registers.GetData<SVMPointer>(11);
+				var size = machine.registers.GetData<ulong>(12);
+				if (w.FDs.TryGetValue(fd, out var descripter))
+				{
+					descripter.stream.WriteData(machine.GetPointer(ptr), size);
+				}
+				else
+					Console.WriteLine($"FD:{fd} does not exist.");
+			}
+			else
+			{
+				Console.WriteLine("Incorrectly set wrapper!");
+			}
+		}
 	}
 	public class FileDescripter
 	{

src/SVM.Assembler.Core/Assembler.cs

@@ -17,6 +17,8 @@ Match:
 InstMath bmath
 InstSDInt32 sd\.int32
 InstSDInt sd\.int
+InstSDInt64 sd\.int64
+InstSDLong sd\.long
 InstCvt cvt
 InstSystem system
 InstSys sys
@@ -35,6 +37,8 @@ D \d
 
 Id:
 word Word
+InstSDInt64 inst
+InstSDLong inst
 InstMath inst
 InstSDInt inst
 InstSDInt32 inst
@@ -80,7 +84,7 @@ LabelConstant InternalLbl
 				if (r.Result.LexSegmentId != null && r.Result.LexMatchedItemId != null)
 				{
 					if (r.Result.LexSegmentId == "LE") continue;
-					
+
 					return r;
 				}
 
@@ -128,6 +132,7 @@ LabelConstant InternalLbl
 				operationResult.AddError(new ErrorWMsg($"Unknown Instruction:{LexDef.Content ?? "<null>"}", LexDef));
 				return operationResult;
 			}
+			intermediateInstruction.InstDefID = instructionDef.Id;
 			intermediateInstruction.inst = instructionDef.PrimaryInstruction;
 			foreach (var item in instructionDef.ParameterPattern)
 			{
@@ -250,10 +255,26 @@ LabelConstant InternalLbl
 		public Dictionary<string, string> data = new Dictionary<string, string>();
 		public Dictionary<string, string> consts = new Dictionary<string, string>();
 		public List<IntermediateInstruction> instructions = new List<IntermediateInstruction>();
+		public int DetermineFinalInstructionCount(LinkingContext context)
+		{
+			int count = 0;
+			foreach (var item in instructions)
+			{
+				if (context.Definition.InstructionDefinitions.TryGetValue(item.InstDefID, out var def))
+				{
+					count += def.InstructionCount;
+				}
+			}
+			return count;
+		}
 		public bool TryGetConst(string str, out string value)
 		{
 			return consts.TryGetValue(str, out value);
 		}
+		public bool TryGetDataOffset(string str, out string value)
+		{
+			return consts.TryGetValue(str, out value);
+		}
 		public bool TryGetLabelPC(string label, out int PC)
 		{
 			for (int i = 0; i < instructions.Count; i++)
@@ -273,6 +294,7 @@ LabelConstant InternalLbl
 	public class IntermediateInstruction
 	{
 		public LexSegment? Label = null;
+		public string InstDefID = "";
 		public PrimaryInstruction inst;
 		public List<LexSegment> Parameters = new List<LexSegment>();
 	}

src/SVM.Assembler.Core/ISADefinition.cs

@@ -15,7 +15,7 @@ namespace SVM.Assembler.Core
 	{
 		public Dictionary<string, byte> RegisterNames = new Dictionary<string, byte>();
 		public Dictionary<string, Dictionary<string, string>> Enums = new Dictionary<string, Dictionary<string, string>>();
-		public Dictionary<PrimaryInstruction, InstructionDefinition> InstructionDefinitions = new Dictionary<PrimaryInstruction, InstructionDefinition>();
+		public Dictionary<string, InstructionDefinition> InstructionDefinitions = new Dictionary<string, InstructionDefinition>();
 		[NonSerialized]
 		public Dictionary<string, InstructionDefinition> InstructionDefinitionAliases = new Dictionary<string, InstructionDefinition>();
 		public void Init()
@@ -117,7 +117,11 @@ namespace SVM.Assembler.Core
 			InstructionDefinition instDefinition = new InstructionDefinition();
 			var PIAttr = node.Attributes.GetNamedItem("PrimaryInstruction");
 			var ICAttr = node.Attributes.GetNamedItem("InstructionCount");
+			var IdAttr = node.Attributes.GetNamedItem("Id");
 			if (PIAttr == null) return false;
+			if (IdAttr == null) return false;
+			string Id = IdAttr.InnerText;
+			instDefinition.Id = Id;
 			if (ICAttr != null)
 			{
 				if (int.TryParse(ICAttr.InnerText, out var ic))
@@ -171,7 +175,7 @@ namespace SVM.Assembler.Core
 						break;
 				}
 			}
-			definition.InstructionDefinitions.Add(pi, instDefinition);
+			definition.InstructionDefinitions.Add(Id, instDefinition);
 			foreach (var item in instDefinition.Aliases)
 			{
 

src/SVM.Assembler.Core/InstructionDefinition.cs

@@ -7,6 +7,7 @@ namespace SVM.Assembler.Core
 	[Serializable]
 	public class InstructionDefinition
 	{
+		public string Id="";
 		public PrimaryInstruction PrimaryInstruction = PrimaryInstruction.Nop;
 		public int InstructionCount = 1;
 		public List<string> Aliases = new List<string>();

src/SVM.Assembler.Core/Linker.cs

@@ -4,10 +4,13 @@ using SVM.Assembler.Core.Errors;
 using SVM.Core;
 using SVM.Core.Utils;
 using System;
+using System.Buffers.Text;
 using System.Collections.Generic;
 using System.ComponentModel;
+using System.IO;
 using System.Reflection.Emit;
 using System.Text;
+using System.Text.RegularExpressions;
 
 namespace SVM.Assembler.Core
 {
@@ -78,6 +81,16 @@ namespace SVM.Assembler.Core
 				{
 					return TryParseInt32(realStr, context, out value);
 				}
+				if (context.TryFindLabel(input, out var lblV))
+				{
+					value = lblV;
+					return true;
+				}
+				if (context.TryFindData(input, out var dataV))
+				{
+					value = (int)dataV;
+					return true;
+				}
 			}
 			value = byte.MaxValue;
 			return false;
@@ -94,6 +107,42 @@ namespace SVM.Assembler.Core
 				{
 					return TryParseInt64(realStr, context, out value);
 				}
+				if (context.TryFindLabel(input, out var lblV))
+				{
+					value = lblV;
+					return true;
+				}
+				if (context.TryFindData(input, out var dataV))
+				{
+					value = (long)dataV;
+					return true;
+				}
+			}
+			value = byte.MaxValue;
+			return false;
+		}
+		public static bool TryParseUInt64(string input, LinkingContext context, out ulong value)
+		{
+			if (ulong.TryParse(input, out value))
+			{
+				return true;
+			}
+			else
+			{
+				if (context.IntermediateObject.TryGetConst(input, out var realStr))
+				{
+					return TryParseUInt64(realStr, context, out value);
+				}
+				if (context.TryFindLabel(input, out var lblV))
+				{
+					value = (ulong)lblV;
+					return true;
+				}
+				if (context.TryFindData(input, out var dataV))
+				{
+					value = (ulong)dataV;
+					return true;
+				}
 			}
 			value = byte.MaxValue;
 			return false;
@@ -329,21 +378,60 @@ namespace SVM.Assembler.Core
 			uint offset = 0;
 			foreach (var item in Obj.data)
 			{
-				var data = Encoding.UTF8.GetBytes(item.Value);
-				byte[] data2 = new byte[data.Length + sizeof(int)];
-				fixed (byte* ptr = data2)
+				if (item.Value.StartsWith("base64:"))
 				{
-					int len = data.Length;
-					((IntPtr)ptr).SetData(len);
+					var eData = item.Value.Substring("base64:".Length);
+					var data = Convert.FromBase64String(eData);
+					byte[] data2 = new byte[data.Length + sizeof(int)];
+					fixed (byte* ptr = data2)
+					{
+						int len = data.Length;
+						((IntPtr)ptr).SetData(len);
+					}
+					Buffer.BlockCopy(data, 0, data2, sizeof(int), data.Length);
+					context.DataOffsets.Add(item.Key, offset);
+				}
+				else if (item.Value.StartsWith("file:"))
+				{
+					var fileName = item.Value.Substring("file:".Length);
+					var data = File.ReadAllBytes(fileName);
+					byte[] data2 = new byte[data.Length + sizeof(int)];
+					fixed (byte* ptr = data2)
+					{
+						int len = data.Length;
+						((IntPtr)ptr).SetData(len);
+					}
+					Buffer.BlockCopy(data, 0, data2, sizeof(int), data.Length);
+					context.DataOffsets.Add(item.Key, offset);
+					offset += (uint)data2.Length;
+					Data.Add(data);
+				}
+				else
+				{
+					byte[] data;
+					string str=Regex.Unescape(item.Value);
+					if (str[0] == '\"' && str[^1] == '\"')
+					{
+						data = Encoding.UTF8.GetBytes(str, 1, str.Length - 2);
+
+					}
+					else
+						data = Encoding.UTF8.GetBytes(str);
+					byte[] data2 = new byte[data.Length + sizeof(int)];
+					fixed (byte* ptr = data2)
+					{
+						int len = data.Length;
+						((IntPtr)ptr).SetData(len);
+					}
+					Buffer.BlockCopy(data, 0, data2, sizeof(int), data.Length);
+					context.DataOffsets.Add(item.Key, offset);
+					offset += (uint)data2.Length;
+					Data.Add(data);
 				}
-				Buffer.BlockCopy(data, 0, data2, sizeof(int), data.Length);
-				context.DataOffsets.Add(item.Key, offset);
-				offset += (uint)data2.Length;
-				Data.Add(data);
 			}
 			foreach (var item in Obj.instructions)
 			{
-				if (definition.InstructionDefinitions.TryGetValue(item.inst, out var def))
+				if (definition.InstructionDefinitions.TryGetValue(item.InstDefID, out var def))
 				{
 
 					var instruction = stackalloc SVMInstruction[def.InstructionCount];
@@ -362,6 +450,9 @@ namespace SVM.Assembler.Core
 
 					}
 				}
+				else
+				{
+				}
 			}
 			program.Datas = new byte[offset];
 			int offset2 = 0;

src/SVM.Assembler.Core/LinkingContext.cs

@@ -16,6 +16,15 @@ namespace SVM.Assembler.Core
 			IntermediateObject = intermediateObject;
 			Definition = definition;
 		}
+		public unsafe bool TryFindData(string label, out uint offset)
+		{
+			if (DataOffsets.TryGetValue(label, out offset))
+			{
+				offset += (uint)IntermediateObject.DetermineFinalInstructionCount(this) * (uint)sizeof(SVMInstruction);
+				return true;
+			}
+			return false;
+		}
 		public bool TryFindLabel(string label, out int offset)
 		{
 			label = label + ":";

src/SVM.Assembler/ISA.xml

@@ -9,7 +9,7 @@
 		<Item Key="sp" Value="2"/>
 	</Registers>
 	<Definitions>
-		<InstructionDefinition PrimaryInstruction="BMath">
+		<InstructionDefinition Id="BMath" PrimaryInstruction="BMath">
 			<Aliases>
 				<Alias Name="bmath"/>
 				<Alias Name="b.math"/>
@@ -51,7 +51,7 @@
 				</InstructionParameter>
 			</Parameters>
 		</InstructionDefinition>
-		<InstructionDefinition PrimaryInstruction="SD" InstructionCount="2">
+		<InstructionDefinition Id="std.int32" PrimaryInstruction="SD" InstructionCount="2">
 			<Aliases>
 				<Alias Name="sd.int"/>
 				<Alias Name="sd.int32"/>
@@ -73,7 +73,29 @@
 				</InstructionParameter>
 			</Parameters>
 		</InstructionDefinition>
-		<InstructionDefinition PrimaryInstruction="System" InstructionCount="1">
+		<InstructionDefinition Id="sd.int64" PrimaryInstruction="SD" InstructionCount="2">
+			<Aliases>
+				<Alias Name="sd.long"/>
+				<Alias Name="sd.int64"/>
+			</Aliases>
+			<Parameters>
+				<InstructionParameter>
+					<MatchingItems>
+						<Item Id="Word"/>
+						<Item Id="Register"/>
+					</MatchingItems>
+					<ExpectedValue Type="UInt8" Pos="1" Converter="Register" />
+				</InstructionParameter>
+				<InstructionParameter>
+					<MatchingItems>
+						<Item Id="Number"/>
+						<Item Id="Word"/>
+					</MatchingItems>
+					<ExpectedValue Type="Int64" Pos="8" Converter="Integer64" />
+				</InstructionParameter>
+			</Parameters>
+		</InstructionDefinition>
+		<InstructionDefinition Id="syscall" PrimaryInstruction="System" InstructionCount="1">
 			<Aliases>
 				<Alias Name="system"/>
 				<Alias Name="sys"/>

src/SVM.Core/Registers.cs

@@ -15,7 +15,6 @@ namespace SVM.Core
 		public void Init(uint size)
 		{
 			Size = size;
-			Console.WriteLine($"Allocating:{size}");
 			Data = calloc(size);
 		}
 		public T ReadData<T>(int RegisterID) where T : unmanaged

src/SVM.Core/SVMProgram.cs

@@ -37,8 +37,6 @@ namespace SVM.Core
 			{
 				return null;
 			}
-			Console.WriteLine(dataSectionLength);
-			Console.WriteLine(codeCount);
 			IntPtr dataPtr = malloc(dataSectionLength);
 			if (dataSectionLength != 0)
 			{

src/SVM.Core/SimpleVirtualMachine.cs

@@ -64,7 +64,6 @@ namespace SVM.Core
 				ErrorIDOffset = Config.EIDRegisterID;
 			}
 			var PC = registers.GetData<ulong>((int)PCOffset);
-			Console.WriteLine($"{PC},{Program->InstructionCount}");
 			return PC >= Program->InstructionCount;
 		}
 
@@ -85,7 +84,6 @@ namespace SVM.Core
 			var currentInstPtr = GetPointer(PC);
 			var Instruction = currentInstPtr.GetData<SVMInstruction>();
 			var def = Instruction.GetDef();
-			Console.WriteLine(def);
 			fixed (MState* statePtr = &MachineState)
 			{
 
@@ -165,7 +163,7 @@ namespace SVM.Core
 							var dataPtr = GetPointer(PC);
 							var data = dataPtr.GetData<int>();
 							registers.SetDataInRegister(Reg, data);
-							Console.WriteLine($"SVM:SD:{data} form PC={PC}");
+							//Console.WriteLine($"SVM:SD:{data} form PC={PC}");
 						}
 						break;
 					case PrimaryInstruction.JAL:
@@ -190,7 +188,7 @@ namespace SVM.Core
 							}
 							else
 							{
-								registers.SetData((int)ErrorIDOffset,ErrorIDs.SyscallCallNotExist);
+								registers.SetData((int)ErrorIDOffset, ErrorIDs.SyscallCallNotExist);
 							}
 						}
 						else
@@ -305,12 +303,11 @@ namespace SVM.Core
 					offset1 = Program->DataSize;
 					if (absoluteAddress.offset < offset0)
 					{
-
 						return (IntPtr)(Program->instructions + absoluteAddress.offset / sizeof(SVMInstruction));
 					}
-					else if (absoluteAddress.offset < offset1)
+					else if (absoluteAddress.offset < offset0 + offset1)
 					{
-						return IntPtr.Add((IntPtr)Program->instructions, (int)(absoluteAddress.offset - offset0));
+						return IntPtr.Add((IntPtr)Program->data, (int)(absoluteAddress.offset - offset0));
 
 					}
 				}
@@ -358,6 +355,10 @@ namespace SVM.Core
 	{
 		public uint offset;
 		public uint index;
+		public override string ToString()
+		{
+			return $"{index}+{offset}";
+		}
 	}
 	public class SVMConfig
 	{

src/SVM.Core/Utils/StreamUtils.cs

@@ -7,9 +7,20 @@ namespace SVM.Core.Utils
 {
 	public static class StreamUtils
 	{
+		public unsafe static void WriteData(this Stream s, IntPtr ptr, ulong length)
+		{
+			WriteData(s, (byte*)ptr, length);
+		}
+		public unsafe static void WriteData(this Stream s, byte* ptr, ulong length)
+		{
+			for (ulong i = 0; i < length; i++)
+			{
+				s.WriteByte(ptr[i]);
+			}
+		}
 		public unsafe static void WriteData<T>(this Stream s, T data) where T : unmanaged
 		{
-			var ptr=&data;
+			var ptr = &data;
 			Span<byte> buffer = new(ptr, sizeof(T));
 			s.Write(buffer);
 		}