mandelbrot-128x128 added to documentation

README.md

@@ -1,7 +1,7 @@
 avr-tex: An AVR Emulator written in pure LaTeX
 ======================================================
 
-![A Mandelbrot Set. The image took 40 Minute so be calculated](imgs/mandelbrot-20x20.png)[5]
+![A Mandelbrot Set. The image took 6 hours to be calculated](imgs/mandelbrot-128x128.png)[5]
 
 LaTeX is known as a typesetting system. But the underlying TeX system
 is a powerful macro processor. In fact, TeX is a Turing-complete
@@ -69,4 +69,4 @@ than the actual hardware with the highest supported clock rate.
 
 [4] http://en.wikipedia.org/wiki/Atmel_AVR
 
-[5] A Mandelbrot Set. The image took 40 Minute to be calculated
+[5] A Mandelbrot Set. The image took 6 hours to be calculated

source/avremu.tex

@@ -63,6 +63,23 @@ machine. Never. Look out for the halting problem.
 This package does contain an \emph{CPU emulator} for the 8-bit microcontroller platform Atmel AVR, more
 precisely it implements the instruction-set architecture of the \texttt{ATmega8}.
 
+\begin{tcolorbox}
+\begin{lstlisting}[language=TeX]
+\avrloadc{mandelbrot.c}
+\avrrun
+
+\avrdrawppm{mandelbrot.ppm}
+\immediate\write18{convert mandelbrot.ppm mandelbrot.png}
+  
+\includegraphics[width=\linewidth]{mandelbrot.png}
+\end{lstlisting}
+  \tcblower
+  This picture (128x128) took 6 hours to render. The source code can be found in the test-suite
+  directory under mandelbrot.c.\\
+
+  \includegraphics[width=\linewidth]{../imgs/mandelbrot-128x128}
+\end{tcolorbox}
+
 \section{Provided Commands}
 
 \DescribeMacro{\avrloadihex}{\meta{filename}}

source/test-suite/mandelbrot.c

@@ -60,8 +60,8 @@ int main() {
     uint8_t hx,hy;
 #define itermax  100 /* how many iterations to do    */
 #define magnify  4.0 /* no magnification         */
-#define hxres    128   /* horizonal resolution      */
-#define hyres    128   /* vertical resolution       */
+#define hxres    250   /* horizonal resolution      */
+#define hyres    250   /* vertical resolution       */
 #define ydelta 0
 #define xdelta -0.75