diff --git a/Book/Common/test.cpp b/Book/Common/test.cpp
new file mode 100644
index 0000000..4bd65fa
--- /dev/null
+++ b/Book/Common/test.cpp
@@ -0,0 +1,23 @@
+
+enum ColourFormat {
+	RGB_555 = 0,
+	RGB_565,
+	RGB_888 ,
+	ARGB_8888
+};
+
+class Colour {
+	public:
+		unsigned char red;
+};
+
+static const int screenWidth = 1024;
+
+template<ColourFormat format>
+void writePixel(int x, int y, Colour col)
+{
+	int index = (y * screenWidth) + x;
+	//framebufferBaseAddress[index] = val;
+}
+
+

diff --git a/Book/Common/test.cpp b/Book/Common/test.cpp
new file mode 100644
index 0000000..4bd65fa
--- /dev/null
+++ b/Book/Common/test.cpp
@@ -0,0 +1,23 @@
+
+enum ColourFormat {
+	RGB_555 = 0,
+	RGB_565,
+	RGB_888 ,
+	ARGB_8888
+};
+
+class Colour {
+	public:
+		unsigned char red;
+};
+
+static const int screenWidth = 1024;
+
+template<ColourFormat format>
+void writePixel(int x, int y, Colour col)
+{
+	int index = (y * screenWidth) + x;
+	//framebufferBaseAddress[index] = val;
+}
+
+
diff --git a/Book/Linux/direct.cpp b/Book/Linux/direct.cpp
new file mode 100644
index 0000000..486ec80
--- /dev/null
+++ b/Book/Linux/direct.cpp
@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+
+static const int count = 1024;
+
+int main(int argc, char *argv[])
+{
+	int fileDescriptor;
+	char *frameBuffer;
+	int index;
+
+	/* Open the framebuffer device */
+	fileDescriptor = open("/dev/fb0", O_RDWR);
+	if (fileDescriptor <= 0) {
+		perror("Error opening framebuffer device /dev/fb0");
+		return 0;
+	}
+
+	/* Map the framebuffer to the process address space */
+	frameBuffer = (char *)mmap(0, count, PROT_READ | PROT_WRITE,
+		MAP_SHARED, fileDescriptor, 0);
+	if (frameBuffer <= 0) {
+		perror("Error mapping framebuffer to address space");
+		return 0;
+	}
+
+	/* Write to the framebuffer memory */
+	for (index = 0; index < count; index++) {
+		frameBuffer[index] = 0xFF;
+	}
+
+	/* Shutdown */
+	munmap((void *)frameBuffer, count);
+	close(fileDescriptor);
+	return 1;
+}
+