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diff --git a/00_blog/00030_Computer-Games/00010_The-Old-Times/index.md b/00_blog/00030_Computer-Games/00010_The-Old-Times/index.md
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+Games from the past
+===================
+
+    1990ies
+
+## About this games
+
+I recently found this simple and stupid games from times long gone.
+I coded them in the 90ies as a teenager. Their source code was fortunatelly lost. 
+
+This DOS MZ exacutables will run fine in a DOSBox. 
+
+## Highway
+
+    Coded:    1999
+    Tech:     C, DJGPP compiler, Allegro library
+
+A unique combination of Frogger and the original GTA, which it was probably 
+inspired by. Control your vehicle with the arrow keys without crashing, 
+as long as possible.
+
+Download: [highway.zip](highway.zip)
+
+![](high1.png){.img-fluid style="width:300px;"}
+![](high2.png){.img-fluid style="width:300px;"}
+
+## Under Attack
+
+    Coded:    Early 90ies
+    Tech:     QBasic
+
+Originally I coded this game for the TI-83 caluclator, later reimplementing
+it for my PC **in colors**. As the commander of a the mighty battleship _HMS Miguel_ you need
+to use the arrow keys to evade enemy missiles fired from the deepness of the ocean,
+by enemy submarines.
+
+Download: [attack.zip](attack.zip)
+
+![](attack.png){.img-fluid style="width:300px;"}
+
+## Operation Naval Storm 
+
+    Coded:    1996
+    Tech:     QBasic
+
+Another naval warfare classic, based on the well known *Sea Battle* game, played on 
+paper grids. In this advanced version every player places only one single 
+ship, measuring 1x1 in size. Try to outperform the brilliant AI.
+
+![](naval1.png){.img-fluid style="width:300px;"}
+![](naval2.png){.img-fluid style="width:300px;"}
+
+Download: [naval.zip](naval.zip)
+
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+###>>>KWD Space Engineers Pixel Display, Space Engineers Font, Monospaced
+###>>>DSC A Pixel precise Display for Space Engineers including a custom monospaced Font.
+# Monospaced Font and Pixel Display for Space Engineers 
+<p class="text-secondary">September 23, 2016</p>
+<figure class="text-center">
+![](Space-Engineers-Pixel-Display.png){.img-fluid .rounded alt="Closeup of standard Space Engineers LCD Panel, showing pink letters. Single Pixels can be determined." title="Pink is the color of passion"}
+<figcaption class="text-secondary">
+Standard LCD Panel displaying monospaced text.
+</figcaption>
+</figure>
+
+## Pixel Precise Font
+
+For everyone suffering from the lack of monospaced fonts and pixel-based
+displays in Space Engineers here I share my simple, yet effective solution:
+A simple helper class in C#, which I wrote yesterday night to solve this 
+particular problem. As a bonus this also enabled using the LCD Screens 
+for arbitrary pixel-precise output, even with animations, as you will 
+see later.
+
+Have fun and feel free to improve it!
+
+The class can be easily embedded in your programmable blocks and allows simulating pixel-precise displays on the LCD and Text Panels. The class also ships with a beautiful set of retro-style compile time mono-spaced fonts.
+
+First admire a few screenshot to get a first impression:
+
+<figure class="text-center">
+![](Space-Engineers-ASCII-Bars.png){.img-fluid .rounded alt="A Space Engineers Console showcasing our Font. It displays some ASCII styled bars." title="The Monospaced Font in Action."}
+<figcaption class="text-secondary">
+Status bars showing normal and inverted font.
+</figcaption>
+</figure>
+
+<figure class="text-center">
+![](Space-Engineers-LCD-Panels.png){.img-fluid .rounded alt="Two adjacent Space Engineers Consoles. One shows a sinus wave, demonstrating pixel precise output."}
+<figcaption class="text-secondary">
+The Display to the right demonstrates animated pixel precise output.
+</figcaption>
+</figure>
+
+The class exposes the following public methods:
+
+* Screen constructor
+* pixelOn
+* draw_rect
+* put_letter
+* put_letter_inv // inverted single letter
+* put_text
+* put_text_inv // inverted text
+* update // updates lcd or text panel
+
+## Pixel Display supports Animations
+
+<figure class="text-center">
+![](Space-Engineers-Animated-Display-Setup.png){.img-fluid .rounded alt="Complete setup with 3 Panels a timer block and a programmable block"}
+<figcaption class="text-secondary">
+A complete Setup featuring 3 LCD Panels and supporting blocks.
+</figcaption>
+</figure>
+
+With a timer block this approach can be used for beautiful animations too!
+
+The solution is based on emulating pixels using very small fonts ~0.2 on regular LCD Panels. I use ‘[‘ and ‘.’ here, since they both have the same widths and work quite well to emulate on/off pixels.
+
+
+Usage of the class is easy and straigth forward from your Main function:
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ {.csharp .numberLines}
+// construct a new Screen class instace providing 
+// the label of your panel and dimensions.
+Screen s = new Screen("Your_LCD_1",215,59,this);   
+ 
+// put text on specified pixel coordinates
+s.put_text(10,10,"   Welcome to the Machine  ");
+ 
+// refresh the LCD Panel
+s.update();
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+## C Sharp Class for the Space Engineers Font
+
+And this is the C# class behind it. You will have to copy it into your programmable blocks. (Let me know if there is a more elegant way?)
+
+Sidenote: If you wonder how I generated this numbers inside the letters array, you can read it in this seperate post about bitmap fonts generation.
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ {.csharp .numberLines}
+class Screen
+{
+ 
+   public int width;
+   public int height; 
+    
+   IMyTextPanel panel;
+ 
+   char mark_pixel='[';
+   char mark_empty='.';
+ 
+   static MyGridProgram programm; 
+   string output;
+ 
+   public Screen(string panel_name, int _width, int _height,  MyGridProgram programRef)
+   {
+        width=_width;
+        height=_height;
+        programm=programRef;
+        panel=programm.GridTerminalSystem.GetBlockWithName(panel_name) as IMyTextPanel;  
+ 
+        output=new string(' ',0);
+        for(int y=0;y<height;y++)
+        {
+             output+=new string(mark_empty,width);
+             output+='\n';
+        }
+   }
+ 
+    public void pixelOn(int x,int y)
+    {
+         StringBuilder sb = new StringBuilder(output); 
+         sb[y*(width+1)+x]=mark_pixel;
+         output = sb.ToString();
+    }
+ 
+    public void draw_rect(int x, int y, int width, int height)
+    {
+            for(int i=x;i<x+width;i++)
+            {
+                pixelOn(i,y);
+                pixelOn(i,y+height-1);
+            }
+ 
+            for(int i=y;i<y+height;i++) 
+            { 
+                pixelOn(x,i); 
+                pixelOn(width+x-1,i); 
+            } 
+ 
+ 
+    }
+ 
+    public void put_text(int x, int y, string str)
+    {
+       int linefeed=0;
+       for(int i=0;i<str.Length;i++) 
+       {
+         if(str[i]=='\n')
+         {
+               y+=7;
+               linefeed=0;
+               continue;
+         }
+ 
+         linefeed+=7;    
+         put_letter(x+linefeed,y,str[i]);     
+       } 
+    } 
+ 
+    public void put_text_inv(int x, int y, string str) 
+    { 
+       int linefeed=0; 
+       for(int i=0;i<str.Length;i++)  
+       { 
+         if(str[i]=='\n') 
+         { 
+               y+=7; 
+               linefeed=0; 
+               continue; 
+         } 
+  
+         linefeed+=7;     
+         put_letter_inv(x+linefeed,y,str[i]);      
+       } 
+    }  
+ 
+    public void put_letter(int x, int y, int ascii_code)
+    {
+           int letter=letters[ascii_code-0x20];
+           
+           for(int i=0;i<5;i++)
+           for(int j=0;j<5;j++)
+    
+                         if(0<(letter & (int)Math.Pow(2,24-(i+j*5)) ))
+                                pixelOn(x+i,y+j);
+    }
+ 
+    public void put_letter_inv(int x, int y, int ascii_code) 
+    { 
+           int letter=letters[ascii_code-0x20]; 
+           draw_rect(x-1,y-1,7,7); // outline
+           for(int i=0;i<5;i++) 
+           for(int j=0;j<5;j++) if(0>=(letter & (int)Math.Pow(2,24-(i+j*5)) )) 
+                                pixelOn(x+i,y+j); 
+    } 
+ 
+    public void update() 
+    { 
+         panel.WritePublicText(output, false); 
+    } 
+ 
+    //  monospace fonts starting from 0x20 (space)
+    static readonly int[] letters = 
+    {
+        0,4329476,10813440,11512810,16398526,17895697,6632015,4325376,2232450,8523912,
+        22483413,4357252,68,31744,4,1118480,15390382,4608142,15239320,31504446,
+        1841462,33060926,33062463,32540808,33095231,33094719,131200,131208,2236546,
+        1016800,8521864,32051204,15392270,33095217,32045630,33047071,32032318,
+        33061407,33062416,33050175,18415153,14815374,14748236,20673235,17318431,18732593,18667121,
+        15255086,32045584,15259213,32045779,33299071,32641156,18400814,18393412,18405233,18157905,18157700,
+        32575775,14950670,17043521,14747726,4539392,31,6389760,33095217,32045630,
+        33047071,32032318,33061407,33062416,33050175,18415153,14815374,14748236,
+        20673235,17318431,18732593,18667121,15255086,32045584,15259213,32045779,33299071,
+        32641156,18400814,18393412,18405233,18157905,18157700,32575775,2240642,4329604
+        8525960,14016,
+    };
+     
+};
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+## Source Code used for Example Screenshots above
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ {.csharp .numberLines}
+static int cnt=0; // programm counter
+  
+public void Main(string argument)
+{ 
+    // increase programm counter
+    cnt+=1;
+     if (cnt>100) cnt= 0;
+ 
+    // init our screen class:  new 438x59 screen
+    Screen s = new Screen("Miguel_LCD_1",(int)(438*1.5),(int)(59*1.5),this); 
+ 
+    // draw some rectangles
+    s.draw_rect(0,0,s.width,s.height);
+    s.draw_rect(2,2,s.width-4,s.height-4);
+ 
+     //draw more rectangles (stress testing only)
+     //   for(int i=4; i<35; i+=2)
+      //  {
+      //        s.draw_rect(i,i,s.width-2*i,s.height-2*i);
+       // }
+ 
+    // write counter value
+    s.put_text(8,5,"counter: "+cnt);
+ 
+    // inverted text
+    s.put_text_inv(8,12,"SOME INVERTED TEXT                       --- ");
+    
+     
+    // paint a sinus wave
+    for(int i=0;i<s.width;i++) { if(i>200)s.pixelOn(i,(int)(s.height/2+s.height/3*Math.Sin((i+cnt)/25.0)));
+    }
+ 
+    // paint individual letters along a sinus
+    string txt=new string(' ',0); 
+    txt="! software fools rules the waves!";
+     
+    for(int i=0;i<txt.Length;i++) { s.put_letter(30+i*7,(int)(s.height/2+s.height/5*Math.Sin((30+i*6+cnt)/25.0)),txt[i]); } s.update(); // other screens Screen s2 = new Screen("Miguel_LCD_2",329,89,this); Screen s3 = new Screen("Miguel_LCD_3",215,59,this); s3.put_text_inv(10,10," Welcome to the Machine "); s3.put_text(10,17,"-= Miguel's 5x5 Fonts =-\n The quick brown fox \n jumps over the lazy dog\n0123456789><=;'~^\n"+
+    " %#@!~?{}[]-+*&`.,:'");
+     
+    s3.draw_rect(0,0,s3.width,s3.height);  
+    s3.draw_rect(2,2,s3.width-4,s3.height-4);  
+ 
+    s2.put_text(10,1,
+"Something......[||||||||||      ]  10%\n"+
+"Foo............[|||             ]  33%\n"+
+"Bar............[|||             ]  99%\n"+
+"Something else.[||||||||||I     ]  05%\n"
+);
+ 
+s2.put_text_inv(10,35, 
+"Something......[||||||||||      ]  10%\n"+ 
+"Foo............[|||             ]  33%\n"+ 
+"Bar............[|||             ]  99%\n"+ 
+"Something else.[||||||||||I     ]  05%\n"
+); 
+ 
+s2.put_text(10,65, 
+"copyright by softwarefools.com"
+); 
+ 
+    s2.update();
+    s3.update();
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+
+## Helpful Comment on improving Performance
+
+    JR Raynal
+    December 13, 2017 at 9:29 am
+
+Hi, I was playing with your script, and found it super slow… which is odd given the performances of other scripts out there. Turns out by switching the output from a string to a StringBuilder, you don’t need to copy them around as much. I assume this is the fix because I experienced a serious speed increase with that!
+
+Here is the rewritten snippet:
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ {.csharp .numberLines}
+
+            StringBuilder output;
+
+            public Screen(string panel_name, int _width, int _height, MyGridProgram programRef)
+            {
+                width = _width;
+                height = _height;
+                programm = programRef;
+                panel = programm.GridTerminalSystem.GetBlockWithName(panel_name) as IMyTextPanel;
+
+                output = new StringBuilder();
+                for (int y = 0; y < height; y++)
+                {
+                    output.Append(mark_empty, width);
+                    output.Append('\n');
+                }
+            }
+
+            public void pixelOn(int x, int y)
+            {
+                output[y * (width + 1) + x] = mark_pixel;
+            }
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+## TODOS
+
+cleanup and optimize code!!, move sources to git repo, use some kind of syntax highlihter on this post. allow other font-sets with other sizes and let the user adjust spacing, publish python font converter in another post.
diff --git a/00_blog/00030_Computer-Games/index.md b/00_blog/00030_Computer-Games/index.md
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+Computer Games
+==============
+This section holds various content related to computer games.
+Be it simple games, mods or notes ...