diff --git a/lib/libc_old/sys/mpi_creatembox.S b/lib/libc_old/sys/mpi_creatembox.S
new file mode 100644
index 0000000..8cf961e
--- /dev/null
+++ b/lib/libc_old/sys/mpi_creatembox.S
@@ -0,0 +1,7 @@
+.text
+.globl mpi_createMbox
+.type mpi_createMbox,@function
+mpi_createMbox:
+  movl $50,%eax
+  int $0x81
+  ret
diff --git a/lib/libc_old/sys/mpi_fetchmessage.S b/lib/libc_old/sys/mpi_fetchmessage.S
new file mode 100644
index 0000000..d24d312
--- /dev/null
+++ b/lib/libc_old/sys/mpi_fetchmessage.S
@@ -0,0 +1,7 @@
+.text
+.globl mpi_fetchMessage
+.type mpi_fetchMessage,@function
+mpi_fetchMessage:
+  movl $53,%eax
+  int $0x81
+  ret
diff --git a/lib/libc_old/sys/mpi_postmessage.S b/lib/libc_old/sys/mpi_postmessage.S
new file mode 100644
index 0000000..c6958a0
--- /dev/null
+++ b/lib/libc_old/sys/mpi_postmessage.S
@@ -0,0 +1,7 @@
+.text
+.globl mpi_postMessage
+.type mpi_postMessage,@function
+mpi_postMessage:
+  movl $52,%eax
+  int $0x81
+  ret
diff --git a/lib/objgfx40/ogFont.cpp b/lib/objgfx40/ogFont.cpp
index 4edab4d..aa5af28 100644
--- a/lib/objgfx40/ogFont.cpp
+++ b/lib/objgfx40/ogFont.cpp
@@ -5,6 +5,7 @@
 #ifdef __UBIXOS_KERNEL__
 #include <vfs/file.h>
 #include <sys/types.h>
+#include <lib/kprintf.h>
 #else
 #include <stdlib.h>
 #include <stdio.h>
@@ -118,7 +119,7 @@
 
 bool ogBitFont::Load(const char* fontFile, uint32_t offset = 0) {
 #ifdef __UBIXOS_KERNEL__
-  fileDescriptor * infile;
+  fileDescriptor_t *infile;
 #else
   FILE * infile;
 #endif
@@ -127,7 +128,7 @@
 
   delete[] fontData;
 
-  infile = fopen(fontFile, "rb");
+  infile = fopen(fontFile, "r");
 
   //fseek(infile, offset, SEEK_SET);
 
@@ -138,6 +139,7 @@
 
   if (numOfChars == 0)
     numOfChars = 256;
+
   startingChar = header.startingChar;
 
   memset(fontDataIdx, 0, sizeof(fontDataIdx));
@@ -151,6 +153,7 @@
     charWidthTable[tmp] = width;
     charHeightTable[tmp] = height;
     fontDataIdx[tmp] = (size * (tmp - startingChar));
+    //kprintf("fontDataIdx[%i]", tmp);
   } // for tmp
 
   fontData = new uint8_t[fontDataSize];
diff --git a/sys/i386/bios16code.S b/sys/i386/bios16code.S
new file mode 100644
index 0000000..b86ee01
--- /dev/null
+++ b/sys/i386/bios16code.S
@@ -0,0 +1,5 @@
+.globl bios16Code
+bios16Code:
+.code16
+int $0x10
+int $0x69
diff --git a/sys/include/sde/ogDisplay_UbixOS.h b/sys/include/sde/ogDisplay_UbixOS.h
index 7d67375..8726d07 100755
--- a/sys/include/sde/ogDisplay_UbixOS.h
+++ b/sys/include/sde/ogDisplay_UbixOS.h
@@ -29,89 +29,86 @@
 #ifndef OGDISPLAY_UBIXOS_H
 #define OGDISPLAY_UBIXOS_H
 
-extern "C" {
 #include <sys/types.h>
-}
-
 #include <objgfx40/objgfx40.h>
 
 struct ogModeInfo {
-    uInt16 modeAttributes __attribute__((packed));
-    uInt8 windowAFlags __attribute__((packed));
-    uInt8 windowBFlags __attribute__((packed));
-    uInt16 granularity __attribute__((packed));
-    uInt16 windowSize __attribute__((packed));
-    uInt16 windowASeg __attribute__((packed));
-    uInt16 windowBSeg __attribute__((packed));
+    uint16_t modeAttributes __attribute__((packed));
+    uint8_t windowAFlags __attribute__((packed));
+    uint8_t windowBFlags __attribute__((packed));
+    uint16_t granularity __attribute__((packed));
+    uint16_t windowSize __attribute__((packed));
+    uint16_t windowASeg __attribute__((packed));
+    uint16_t windowBSeg __attribute__((packed));
     void* bankSwitch __attribute__((packed));
-    uInt16 bytesPerLine __attribute__((packed));
-    uInt16 xRes __attribute__((packed));
-    uInt16 yRes __attribute__((packed));
-    uInt8 charWidth __attribute__((packed));
-    uInt8 charHeight __attribute__((packed));
-    uInt8 numBitPlanes __attribute__((packed));
-    uInt8 bitsPerPixel __attribute__((packed));
-    uInt8 numberOfBanks __attribute__((packed));
-    uInt8 memoryModel __attribute__((packed));
-    uInt8 bankSize __attribute__((packed));
-    uInt8 numOfImagePages __attribute__((packed));
-    uInt8 reserved __attribute__((packed));
+    uint16_t bytesPerLine __attribute__((packed));
+    uint16_t xRes __attribute__((packed));
+    uint16_t yRes __attribute__((packed));
+    uint8_t charWidth __attribute__((packed));
+    uint8_t charHeight __attribute__((packed));
+    uint8_t numBitPlanes __attribute__((packed));
+    uint8_t bitsPerPixel __attribute__((packed));
+    uint8_t numberOfBanks __attribute__((packed));
+    uint8_t memoryModel __attribute__((packed));
+    uint8_t bankSize __attribute__((packed));
+    uint8_t numOfImagePages __attribute__((packed));
+    uint8_t reserved __attribute__((packed));
     // Direct colour fields (required for Direct/6 and YUV/7 memory models
-    uInt8 redMaskSize __attribute__((packed));
-    uInt8 redFieldPosition __attribute__((packed));
-    uInt8 greenMaskSize __attribute__((packed));
-    uInt8 greenFieldPosition __attribute__((packed));
-    uInt8 blueMaskSize __attribute__((packed));
-    uInt8 blueFieldPosition __attribute__((packed));
-    uInt8 alphaMaskSize __attribute__((packed));
-    uInt8 alphaFieldPosition __attribute__((packed));
-    uInt8 directColourMode __attribute__((packed));
+    uint8_t redMaskSize __attribute__((packed));
+    uint8_t redFieldPosition __attribute__((packed));
+    uint8_t greenMaskSize __attribute__((packed));
+    uint8_t greenFieldPosition __attribute__((packed));
+    uint8_t blueMaskSize __attribute__((packed));
+    uint8_t blueFieldPosition __attribute__((packed));
+    uint8_t alphaMaskSize __attribute__((packed));
+    uint8_t alphaFieldPosition __attribute__((packed));
+    uint8_t directColourMode __attribute__((packed));
     // VESA 2.0 specific fields
-    uInt32 physBasePtr __attribute__((packed));
+    uint32_t physBasePtr __attribute__((packed));
     void* offScreenMemOffset __attribute__((packed));
-    uInt16 offScreenMemSize __attribute__((packed));
-    uInt8 paddington[461] __attribute__((packed));
+    uint16_t offScreenMemSize __attribute__((packed));
+    uint8_t paddington[461] __attribute__((packed));
 };
 
 struct ogVESAInfo {
     char VBESignature[4] __attribute__((packed));
-    uInt8 minVersion __attribute__((packed));
-    uInt8 majVersion __attribute__((packed));
-    uInt32 OEMStringPtr __attribute__((packed));
-    uInt32 capabilities __attribute__((packed));
-    uInt32 videoModePtr __attribute__((packed));
-    uInt16 totalMemory __attribute__((packed));
+    uint8_t minVersion __attribute__((packed));
+    uint8_t majVersion __attribute__((packed));
+    uint32_t OEMStringPtr __attribute__((packed));
+    uint32_t capabilities __attribute__((packed));
+    uint32_t videoModePtr __attribute__((packed));
+    uint16_t totalMemory __attribute__((packed));
     // VESA 2.0 specific fields
-    uInt16 OEMSoftwareRev __attribute__((packed));
-    uInt32 OEMVendorNamePtr __attribute__((packed));
-    uInt32 OEMProductNamePtr __attribute__((packed));
-    uInt32 OEMProductRevPtr __attribute__((packed));
-    uInt8 paddington[474] __attribute__((packed));
+    uint16_t OEMSoftwareRev __attribute__((packed));
+    uint32_t OEMVendorNamePtr __attribute__((packed));
+    uint32_t OEMProductNamePtr __attribute__((packed));
+    uint32_t OEMProductRevPtr __attribute__((packed));
+    uint8_t paddington[474] __attribute__((packed));
 };
 
 class ogDisplay_UbixOS: public ogSurface {
   protected:
     void * pages[2];
-    uInt32 activePage;
-    uInt32 visualPage;
+    uint32_t activePage;
+    uint32_t visualPage;
     ogVESAInfo * VESAInfo;
     ogModeInfo * modeInfo;
 
-    uInt16 FindMode(uInt32, uInt32, uInt32);
-    void GetModeInfo(uInt16);
+    uint16_t FindMode(uint32_t, uint32_t, uint32_t);
+    void GetModeInfo(uint16_t);
     void GetVESAInfo(void);
-    void SetMode(uInt16);
+    void SetMode(uint16_t);
     void SetPal(void);
   public:
     ogDisplay_UbixOS(void);
-    virtual bool ogAlias(ogSurface&, uInt32, uInt32, uInt32, uInt32);
+    virtual bool ogAlias(ogSurface&, uint32_t, uint32_t, uint32_t, uint32_t);
     virtual bool ogClone(ogSurface&);
     virtual void ogCopyPalette(ogSurface&);
-    virtual bool ogCreate(uInt32, uInt32, ogPixelFmt);
+    virtual bool ogCreate(uint32_t, uint32_t, ogPixelFmt);
     virtual bool ogLoadPalette(const char *);
     virtual void ogSetPalette(const ogRGBA8[]);
-    virtual void ogSetPalette(uInt8, uInt8, uInt8, uInt8);
-    virtual void ogSetPalette(uInt8, uInt8, uInt8, uInt8, uInt8);
+    virtual void ogSetPalette(uint8_t, uint8_t, uint8_t, uint8_t);
+    virtual void ogSetPalette(uint8_t, uint8_t, uint8_t, uint8_t, uint8_t);
     virtual ~ogDisplay_UbixOS(void);
 };
 // ogDisplay_UbixOS
diff --git a/sys/include/sde/sde.h b/sys/include/sde/sde.h
index 95d0222..a16a911 100644
--- a/sys/include/sde/sde.h
+++ b/sys/include/sde/sde.h
@@ -28,12 +28,12 @@
 #ifndef _SDE_SDE_H
 #define _SDE_SDE_H
 
+#include <sys/types.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#include <sys/types.h>
-
 #define registerWindow   1
 #define windowReady      2
 #define drawWindow       3
diff --git a/sys/init/start.S b/sys/init/start.S
index d835596..830a02f 100644
--- a/sys/init/start.S
+++ b/sys/init/start.S
@@ -53,7 +53,7 @@
   mov   %eax,%gs
   mov   %eax,%ss
   mov   $kStack,%eax
-  addl  $0x2000,%eax
+  addl  $0x1000,%eax
   mov   %esp,%edx
   mov   %eax,%esp
   mov   %eax,%ebp 
@@ -73,4 +73,4 @@
   subl  $0xE,%esp;
   call kmain
 .data
-.comm kStack,0x2000
+.comm kStack,0x1000
diff --git a/sys/kernel/vfs_calls.c b/sys/kernel/vfs_calls.c
index edebc3a..2bf501d 100644
--- a/sys/kernel/vfs_calls.c
+++ b/sys/kernel/vfs_calls.c
@@ -102,7 +102,7 @@
         if ( c != 0x0 ) {
           buf[x++] = c;
           bf[0] = c;
-          kprint(bf);
+          kprintf(bf);
         }
 
         if ( c == '\n') {
@@ -121,7 +121,7 @@
       buf[x++] = '\n';
 
           bf[0] = '\n';
-          kprint(bf);
+          kprintf(bf);
 
    //MROlsen 2018 kprintf("READ: %i", x);
 
@@ -137,7 +137,7 @@
     buffer = kmalloc(1024);
     memcpy(buffer, uap->buf, uap->nbyte);
     printColor += 1;
-    kprint(buffer);
+    kprintf(buffer);
     printColor = defaultColor;
     kfree(buffer);
     td->td_retval[0] = uap->nbyte;
@@ -145,7 +145,7 @@
   else if (uap->fd == 1) {
     buffer = kmalloc(1024);
     memcpy(buffer, uap->buf, uap->nbyte);
-    kprint(buffer);
+    kprintf(buffer);
     kfree(buffer);
     td->td_retval[0] = uap->nbyte;
   }
diff --git a/sys/lib/kprintf.c b/sys/lib/kprintf.c
index 4cf64d5..66d096a 100644
--- a/sys/lib/kprintf.c
+++ b/sys/lib/kprintf.c
@@ -259,7 +259,7 @@
 int kprintf(const char *fmt, ...) {
   va_list ap;
   int retval;
-  char buf[1024];
+  char buf[512];
 
   va_start(ap, fmt);
 
diff --git a/sys/sde/Makefile b/sys/sde/Makefile
index d01a088..b48edbb 100644
--- a/sys/sde/Makefile
+++ b/sys/sde/Makefile
@@ -12,8 +12,7 @@
 REMOVE = rm -fr
 
 #  Objects
-OBJS = objgfx40.o ogFont.o ogPixelFmt.o ogPixCon.o ogDisplay_UbixOS.o sde.o main.o
-# colours.o
+OBJS = objgfx40.o ogFont.o ogPixelFmt.o ogPixCon.o ogDisplay_UbixOS.o sde.o main.o colours.o
 
 CFLAGS += -fno-rtti -nostdinc++
 
diff --git a/sys/sde/colours.cc b/sys/sde/colours.cc
index 49b9695..3a487a7 100644
--- a/sys/sde/colours.cc
+++ b/sys/sde/colours.cc
@@ -26,7 +26,6 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-extern "C" {
 #include <sde/sde.h>
 #include <sde/ogDisplay_UbixOS.h>
 #include <objgfx40/objgfx40.h>
@@ -34,7 +33,7 @@
 
 #include <sys/video.h>
 #include <vmm/paging.h>
-#include <lib/string.h>
+#include <string.h>
 #include <lib/kprintf.h>
 #include <lib/kmalloc.h>
 #include <ubixos/sched.h>
@@ -115,5 +114,3 @@
     } // while
 
   } // sdeTestThread
-
-}
diff --git a/sys/sde/main.cc b/sys/sde/main.cc
index 442c738..b6c2476 100644
--- a/sys/sde/main.cc
+++ b/sys/sde/main.cc
@@ -26,14 +26,17 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+//#include <ubixos/sched.h>
+//#include <lib/kprintf.h>
+//#include <vmm/paging.h>
+//#include <lib/bioscall.h>
+
 extern "C" {
-#include <ubixos/sched.h>
-#include <lib/kmalloc.h>
 #include <lib/kprintf.h>
 #include <ubixos/vitals.h>
+#include <ubixos/exec.h>
 #include <vmm/vmm.h>
-#include <vmm/paging.h>
-#include <lib/bioscall.h>
+#include <lib/kmalloc.h>
 }
 
 #include <sde/sde.h>
@@ -41,7 +44,11 @@
 #include <sde/ogDisplay_UbixOS.h>
 #include <objgfx40/ogFont.h>
 
-extern "C" void sdeThread() {
+void sdeTestThread();
+
+extern "C" void sdeThread();
+
+void sdeThread() {
   ogSurface *screen = new ogDisplay_UbixOS();
 
 
@@ -66,6 +73,8 @@
 
   screen->ogSetAntiAliasing(false);
 
+  execThread(&sdeTestThread, 0x2000, 0x0);
+
   //ogSurface::RawLine(100, 100, 200, 200, 0xDEADBEEF)
   screen->RawLine(100, 100, 200, 200, 0xDEADBEEF);
 
@@ -112,7 +121,6 @@
           }
           vmm_unmapPages(buf->buffer, buf->bSize, VMM_KEEP);
           vmm_unmapPages(buf->lineOfs, buf->lSize, VMM_KEEP);
-          //kfree(tmp->buf);
           kfree(tmp);
           tmp = 0x0;
         break;
diff --git a/sys/sde/ogDisplay_UbixOS.cc b/sys/sde/ogDisplay_UbixOS.cc
index 5829d55..4c069eb 100755
--- a/sys/sde/ogDisplay_UbixOS.cc
+++ b/sys/sde/ogDisplay_UbixOS.cc
@@ -29,14 +29,14 @@
 #include <objgfx40/objgfx40.h>
 #include <objgfx40/defpal.inc>
 #include <sde/ogDisplay_UbixOS.h>
-#include <lib/bioscall.h>
+
+extern "C" {
 #include <vmm/vmm.h>
-#include <vmm/paging.h>
 #include <lib/kprintf.h>
-#include <sys/io.h>
-#include <string.h>
-#include <ubixos/sched.h>
+#include <lib/bioscall.h>
 #include <ubixos/kpanic.h>
+#include <sys/io.h>
+}
 
 /*
  *