Changeset 215 in t29-www for en


Ignore:
Timestamp:
Nov 14, 2010, 3:36:42 PM (13 years ago)
Author:
heribert
Message:

Heribert:

  • Entwicklungsprojekte, Texte geaendert/Bilder geaendert
File:
1 edited

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  • en/development-projects.shtm

    r184 r215  
    1010   --><!--#set var="next_title"   value="What's new?"
    1111   -->
    12      <title>technikum29 - <!--#echo var="title" --></title>
     12     <title>Technikum29 - <!--#echo var="title" --></title>
    1313
    1414    <!--#include virtual="/en/inc/head.inc.shtm" -->
     
    3131  <!--<li>punch card I/O with AVR ATmega microcontrollers via RS232 to computers,
    3232      Qt platform independent processing, with various hardware</li>-->
    33   <li>Analex printer interface to the Bull Gamma 10 computer (uC based)</li>
     33  <li>Anelex printer interface to the Bull Gamma 10 computer (uC based)</li>
    3434</ul>
    3535<br/>
     
    6565framework of the Linux 2.6 kernel series to program a user space driver in the programming
    6666language C with a little effort compared to a real kernel space driver.</p>
    67 
     67<div class="desc-right">
     68   <img src="/shared/photos/rechnertechnik/facit4070.jpg" width="192" height="313" alt="Photography of the paper tape puncher FACIT 4070" />
     69   <p class="bildtext" style="width:192px;">The legendary puncher <b>FACIT 4070</b></p>
     70</div>
    6871<p>The parallel port consists of three 8-bit hardware registers: a bidirectional data
    6972register, a control register and a signal register. Since paper tapes are made of
     
    7275implement a interrupt (device cycle) driven communication, since the status register
    7376features one interrupt enabled bit (strobe). Our devices punch at 80 chars/sec and read in
    74 250 chars/sec, so even older PCs can easily run the driver programs.</p>
     77250 chars/sec, so even older PCs can easily run the driver programs.<br>
    7578
    76 <div class="desc-right">
    77    <img src="/shared/photos/rechnertechnik/facit4070.jpg" width="144" height="196" alt="Photography of the paper tape puncher FACIT 4070" />
    78    <p class="bildtext" style="width:145px;">The legendary puncher <b>FACIT 4070</b></p>
    79 </div>
    80 
    81 <p>As already told, there's not really the question how to model punched papers on
     79As already told, there's not really the question how to model punched papers on
    8280computers, since they use the same word length (8 bit) and computer files are
    8381conceptually the same as paper tapes: byte arrays. A 250 byte binary file therefore
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