Started Vbe

source/Cosmos.Core/BaseIOGroups.cs

@@ -17,5 +17,6 @@ public class BaseIOGroups {
         public readonly IOGroup.ATA ATA1 = new IOGroup.ATA(false);
         public readonly IOGroup.ATA ATA2 = new IOGroup.ATA(true);
         public readonly IOGroup.RTC RTC = new IOGroup.RTC();
+        public readonly IOGroup.VBE VBE = new IOGroup.VBE();
     }
 }

source/Cosmos.Core/Cosmos.Core.csproj

@@ -81,6 +81,7 @@
     <Compile Include="IOGroup\COM.cs" />
     <Compile Include="IOGroup\Network\AMDPCNetIIIOGroup.cs" />
     <Compile Include="IOGroup\PCSpeaker.cs" />
+    <Compile Include="IOGroup\VBE.cs" />
     <Compile Include="ManagedMemoryBlock.cs" />
     <Compile Include="CPU.cs" />
     <Compile Include="DeviceIDAttribute.cs" />

source/Cosmos.Core/IOGroup/VBE.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Cosmos.Core.IOGroup
+{
+    public class VBE : IOGroup
+    {
+        public IOPort VBE_DISPI_INDEX_ENABLE = new IOPort(0x4);
+        public IOPort VBE_DISPI_INDEX_XRES = new IOPort(0x1);
+        public IOPort VBE_DISPI_INDEX_YRES = new IOPort(0x2);
+        public IOPort VBE_DISPI_INDEX_BPP = new IOPort(0x3);
+    }
+}

source/Cosmos.HAL/Cosmos.HAL.csproj

@@ -102,6 +102,7 @@
     <Compile Include="Drivers\PCI\Audio\PCMStream.cs" />
     <Compile Include="Drivers\PCI\Network\AMDPCNetII.cs" />
     <Compile Include="Drivers\PCI\Video\VMWareSVGAII.cs" />
+    <Compile Include="Drivers\VBEScreen.cs" />
     <Compile Include="Drivers\VGAScreen.cs" />
     <Compile Include="Global.cs" />
     <Compile Include="Keyboard.cs" />

source/Cosmos.HAL/Drivers/VBEScreen.cs

@@ -0,0 +1,106 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Cosmos.HAL.Drivers
+{
+    public class VBEScreen
+    {
+        public int ScreenWidth { get; set; }
+        public int ScreenHeight { get; set; }
+        public int ScreenBpp { get; set; }
+
+        #region Internals
+
+        private Core.IOGroup.VBE IO = Core.Global.BaseIOGroups.VBE;
+
+        private void vbe_set(ushort xres, ushort yres, ushort bpp)
+        {
+            //Disable Display
+            IO.VBE_DISPI_INDEX_ENABLE.Word = 0x00;
+            //Set Display Xres
+            IO.VBE_DISPI_INDEX_XRES.Word = xres;
+            //SetDisplay Yres
+            IO.VBE_DISPI_INDEX_YRES.Word = yres;
+            //SetDisplay bpp
+            IO.VBE_DISPI_INDEX_BPP.Word = bpp;
+            //Enable Display
+            IO.VBE_DISPI_INDEX_ENABLE.Word = (ushort)(0x01 | 0x00);
+        }
+
+        #endregion
+
+
+
+        public enum ScreenSize
+        {
+            Size320x200,
+            Size640x400,
+            Size640x480,
+            Size800x600,
+            Size1024x768,
+            Size1280x1024
+
+        }
+
+        public enum Bpp
+        {
+            Bpp15 = 15,
+            Bpp16 = 16,
+            Bpp24 = 24,
+            Bpp32 = 32
+        }
+
+        public void SetMode(ScreenSize aSize, Bpp aBpp)
+        {
+            //Get screen size
+            switch (aSize)
+            {
+                case ScreenSize.Size320x200:
+                    ScreenWidth = 320;
+                    ScreenHeight = 200;
+                    break;
+                case ScreenSize.Size640x400:
+                    ScreenWidth = 640;
+                    ScreenHeight = 400;
+                    break;
+                case ScreenSize.Size640x480:
+                    ScreenWidth = 640;
+                    ScreenHeight = 480;
+                    break;
+                case ScreenSize.Size800x600:
+                    ScreenWidth = 800;
+                    ScreenHeight = 600;
+                    break;
+                case ScreenSize.Size1024x768:
+                    ScreenWidth = 1024;
+                    ScreenHeight = 768;
+                    break;
+                case ScreenSize.Size1280x1024:
+                    ScreenWidth = 1280;
+                    ScreenHeight = 1024;
+                    break;
+            }
+            //Get bpp
+            switch (aBpp)
+            {
+                case Bpp.Bpp15:
+                    ScreenBpp = 15;
+                    break;
+                case Bpp.Bpp16:
+                    ScreenBpp = 16;
+                    break;
+                case Bpp.Bpp24:
+                    ScreenBpp = 24;
+                    break;
+                case Bpp.Bpp32:
+                    ScreenBpp = 32;
+                    break;
+            }
+            vbe_set((ushort)ScreenWidth, (ushort)ScreenHeight, (ushort)ScreenBpp);
+
+        }
+    }
+}