From 70519d31535c5c446ec3dc9ea22fd4d3e997ea46 Mon Sep 17 00:00:00 2001
From: mterwoord_cp <7cd3fd84a0151ea055c2f79e4d2eef9576fe9afesxUZAwxD>
Date: Mon, 26 Nov 2007 15:33:59 +0000
Subject: [PATCH] some small changes

---
 source/Cosmos/Cosmos.Hardware/Interrupts.cs   |  2 +-
 source/Cosmos/Cosmos.Hardware/Keyboard.cs     | 17 ++++++++--
 source/Cosmos/Cosmos.Kernel/DebugUtil.cs      | 14 ++++++++
 source/Cosmos/Cosmos.Kernel/Keyboard.cs       | 34 +++++++++++++++++--
 source/Cosmos/Cosmos.Shell.Console/Program.cs | 11 ++----
 5 files changed, 64 insertions(+), 14 deletions(-)

diff --git a/source/Cosmos/Cosmos.Hardware/Interrupts.cs b/source/Cosmos/Cosmos.Hardware/Interrupts.cs
index 16517840c..77c37b6af 100644
--- a/source/Cosmos/Cosmos.Hardware/Interrupts.cs
+++ b/source/Cosmos/Cosmos.Hardware/Interrupts.cs
@@ -67,7 +67,7 @@ namespace Cosmos.Hardware {
 
 		//IRQ 1 - Keyboard. Reserved for the system. Cannot be altered even if no keyboard is present or needed.
 		public static unsafe void HandleInterrupt_21(InterruptContext* aContext) {
-			byte xScanCode = IORead(0x60);
+			Keyboard.HandleKeyboardInterrupt();
 			PIC.SignalPrimary();
 		}
 
diff --git a/source/Cosmos/Cosmos.Hardware/Keyboard.cs b/source/Cosmos/Cosmos.Hardware/Keyboard.cs
index 574c3cd3e..5a8c17008 100644
--- a/source/Cosmos/Cosmos.Hardware/Keyboard.cs
+++ b/source/Cosmos/Cosmos.Hardware/Keyboard.cs
@@ -3,6 +3,19 @@ using System.Collections.Generic;
 using System.Text;
 
 namespace Cosmos.Hardware {
-    public class Keyboard : Hardware {
-    }
+	public delegate void HandleKeyboardDelegate(byte aScanCode, bool aReleased);
+	public class Keyboard: Hardware {
+		private static HandleKeyboardDelegate mHandleKeyboardKey;
+		public static void Initialize(HandleKeyboardDelegate aHandleKeyboardKeyDelegate) {
+			mHandleKeyboardKey = aHandleKeyboardKeyDelegate;
+		}
+
+		internal static void HandleKeyboardInterrupt() {
+			if (mHandleKeyboardKey != null) {
+				//mHandleKeyboardKey(
+				byte xScanCode = IORead(0x60);
+				mHandleKeyboardKey(xScanCode, (xScanCode & 0x80) == 0x80);
+			}
+		}
+	}
 }
diff --git a/source/Cosmos/Cosmos.Kernel/DebugUtil.cs b/source/Cosmos/Cosmos.Kernel/DebugUtil.cs
index f2ba8dd5b..bf7ec5b9b 100644
--- a/source/Cosmos/Cosmos.Kernel/DebugUtil.cs
+++ b/source/Cosmos/Cosmos.Kernel/DebugUtil.cs
@@ -26,6 +26,20 @@ namespace Cosmos.Kernel {
 			EndLogging();
 		}
 
+		public static void SendKeyboardEvent(byte aScanCode, bool aReleased) {
+			StartLogging();
+			Serial.Write(0, "<KeyboardEvent ScanCode=\"");
+			Hardware.DebugUtil.WriteNumber(aScanCode, 8);
+			Serial.Write(0, "\" Released=\"");
+			if (aReleased) {
+				Serial.Write(0, "true");
+			} else {
+				Serial.Write(0, "false");
+			}
+			Serial.Write(0, "\"/>\r\n");
+			EndLogging();
+		}
+
 		public static void SendError(string aModule, string aData) {
 			StartLogging();
 			Serial.Write(0, "<Message Type=\"Error\" Module=\"");
diff --git a/source/Cosmos/Cosmos.Kernel/Keyboard.cs b/source/Cosmos/Cosmos.Kernel/Keyboard.cs
index 40c6afde9..183c6b3eb 100644
--- a/source/Cosmos/Cosmos.Kernel/Keyboard.cs
+++ b/source/Cosmos/Cosmos.Kernel/Keyboard.cs
@@ -3,6 +3,36 @@ using System.Collections.Generic;
 using System.Text;
 
 namespace Cosmos.Kernel {
-    public class Keyboard {
-    }
+	public class Keyboard {
+		private static Queue<ushort> mBuffer;
+		private const int BufferSize = 64;
+		private static bool mEscaped;
+
+		private void HandleScancode(byte aScancode, bool aReleased) {
+			ushort xTheScancode = aScancode;
+			if (mEscaped) {
+				xTheScancode = (ushort)(xTheScancode + 256);
+				mEscaped = false;
+			}
+			switch (xTheScancode) {
+				case 0xE0: {
+						mEscaped = true;
+						break;
+					}
+				default: {
+						if (mBuffer.Count < BufferSize) {
+							mBuffer.Enqueue(xTheScancode);
+						}
+						break;
+					}
+			}
+			if (!aReleased) {
+				DebugUtil.SendKeyboardEvent(aScancode, aReleased);
+			}
+		}
+
+		public static void Initialize() {
+			mBuffer = new Queue<ushort>(BufferSize);
+		}
+	}
 }
diff --git a/source/Cosmos/Cosmos.Shell.Console/Program.cs b/source/Cosmos/Cosmos.Shell.Console/Program.cs
index 506345fbb..544214e22 100644
--- a/source/Cosmos/Cosmos.Shell.Console/Program.cs
+++ b/source/Cosmos/Cosmos.Shell.Console/Program.cs
@@ -6,16 +6,9 @@ namespace Cosmos.Shell.Console {
     class Program {
         static void Main() {
             Kernel.CPU.Init();
-            //System.Console.WriteLine("Cosmos creation complete");
+            System.Console.WriteLine("Cosmos creation complete");
         	Kernel.Interrupts.DoTest();
-        	object o = new object();
-        	System.Console.WriteLine("Object Created");
-			if (o == null) {
-				System.Console.WriteLine("Object == null");
-			} else {
-				System.Console.WriteLine("Object != null");
-			}
-			o = null;
+        	
         }
     }
 }