From 13d1f40f8502b18a05b9bf0e8ab63a0eeda3db66 Mon Sep 17 00:00:00 2001
From: Quajak <jasper.gerigk@gmx.net>
Date: Mon, 19 Oct 2020 00:15:39 +0200
Subject: [PATCH 1/4] Added Ulong.ToString(string) Plug

Allows default and hexadecimal outputs
---
 source/Cosmos.System2_Plugs/System/UInt64Impl.cs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/source/Cosmos.System2_Plugs/System/UInt64Impl.cs b/source/Cosmos.System2_Plugs/System/UInt64Impl.cs
index b764ebcd6..a8c86b9b8 100644
--- a/source/Cosmos.System2_Plugs/System/UInt64Impl.cs
+++ b/source/Cosmos.System2_Plugs/System/UInt64Impl.cs
@@ -12,5 +12,21 @@ namespace Cosmos.System_Plugs.System
         {
             return StringHelper.GetNumberString(aThis);
         }
+        
+        public static string ToString(ref ulong aThis, string formating)
+        {
+            if(formating == "X")
+            {
+                return ToHexString.ToHex(aThis, false);
+            }
+            else if(formating == "G")
+            {
+                return ToString(ref aThis);
+            }
+            else
+            {
+                throw new NotImplementedException();
+            }
+        }
     }
 }

From 87d514f4be4d4c7afacaa0698cf9b5d8045d8db0 Mon Sep 17 00:00:00 2001
From: Quajak <jasper.gerigk@gmx.net>
Date: Mon, 19 Oct 2020 00:18:09 +0200
Subject: [PATCH 2/4] Made 0 padding optional for ulong

---
 source/Cosmos.Common/Extensions/ToHexString.cs | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/source/Cosmos.Common/Extensions/ToHexString.cs b/source/Cosmos.Common/Extensions/ToHexString.cs
index 9703d1d9f..26a416309 100644
--- a/source/Cosmos.Common/Extensions/ToHexString.cs
+++ b/source/Cosmos.Common/Extensions/ToHexString.cs
@@ -112,13 +112,22 @@
         }
 
         /// <summary>
-        /// Convert 64-bit unsigned int to 16 characters long hexadecimal string, padded with '0's.
+        /// Convert 64-bit unsigned int to 16 characters long hexadecimal string, optionally padded with '0's.
         /// </summary>
         /// <param name="aValue">A 64-bit unsigned int to be converted to hexadecimal string.</param>
-        /// <returns>16 characters long string value, padded with '0's.</returns>
-        public static string ToHex(this ulong aValue)
+        /// <param name="withPadding">Determines if a left padding should be applied</param>
+        /// <returns>16 characters long string value, optionally padded with '0's.</returns>
+        public static string ToHex(this ulong aValue, bool withPadding = true)
         {
-            return ConvertToHex(aValue).PadLeft(16, '0');
+            var hex = ConvertToHex(aValue);
+            if (withPadding)
+            {
+                return hex.PadLeft(16, '0');
+            }
+            else
+            {
+                return hex;
+            }
         }
 
         /// <summary>

From b9d66e489d4b8f0ec11201a30254fd3ec8e0fd3e Mon Sep 17 00:00:00 2001
From: Quajak <jasper.gerigk@gmx.net>
Date: Mon, 19 Oct 2020 00:21:38 +0200
Subject: [PATCH 3/4] Added tests for new option

---
 .../Cosmos.Compiler.Tests.Bcl.System/System/UInt64Test.cs       | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Tests/Kernels/Cosmos.Compiler.Tests.Bcl.System/System/UInt64Test.cs b/Tests/Kernels/Cosmos.Compiler.Tests.Bcl.System/System/UInt64Test.cs
index de0900af2..3b90380bc 100644
--- a/Tests/Kernels/Cosmos.Compiler.Tests.Bcl.System/System/UInt64Test.cs
+++ b/Tests/Kernels/Cosmos.Compiler.Tests.Bcl.System/System/UInt64Test.cs
@@ -18,6 +18,8 @@ namespace Cosmos.Compiler.Tests.Bcl.System
             expectedResult = "18446744073709551615";
 
             Assert.IsTrue((result == expectedResult), "UInt64.ToString doesn't work");
+            Assert.IsTrue(value.ToString("X") == "FFFFFFFFFFFFFFFF", "UInt64.ToString(X) doesn't work");
+            Assert.IsTrue(((ulong)0x121411443).ToString("X") == "121411443", "UInt64.ToString(X) doesn't work");
 
             // Now let's try to concat to a String using '+' operator
             result = "The Maximum value of an UInt64 is " + value;

From 418752aaf403c4754296c8fc50bef030db5549ba Mon Sep 17 00:00:00 2001
From: Quajak <jasper.gerigk@gmx.net>
Date: Tue, 17 Nov 2020 10:05:23 +0100
Subject: [PATCH 4/4] Added missing using

---
 source/Cosmos.System2_Plugs/System/UInt64Impl.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/Cosmos.System2_Plugs/System/UInt64Impl.cs b/source/Cosmos.System2_Plugs/System/UInt64Impl.cs
index a8c86b9b8..5bc7cacbe 100644
--- a/source/Cosmos.System2_Plugs/System/UInt64Impl.cs
+++ b/source/Cosmos.System2_Plugs/System/UInt64Impl.cs
@@ -1,5 +1,6 @@
 using System;
 using Cosmos.Common;
+using Cosmos.Common.Extensions;
 using IL2CPU.API;
 using IL2CPU.API.Attribs;