<div dir="ltr"><div>For those who want to use Oberon V1 and V2 (and to compare it to the FPGA Project Oberon), they are working on MS-DOS or compatible one. I tried all of them in DOSBox.</div><div><img src="cid:ii_kk4cit1a0" alt="imagen.png" width="405" height="228"><br><br></div><div>You can find executable versions of Oberon V1.0, V1.2, V1.4, V2.0 and even System 3 under MS-DOS here:</div><div><br></div><div><a href="https://sourceforge.net/projects/dosoberon/files/">https://sourceforge.net/projects/dosoberon/files/</a></div><div>or</div><div><a href="https://github.com/Classic-Tools/DOSOberon">https://github.com/Classic-Tools/DOSOberon</a></div><div><br></div><div>Sources are only found for DOS Oberon System 3 and not working by now:</div><div><a href="https://github.com/Classic-Tools/Project-Oberon">https://github.com/Classic-Tools/Project-Oberon</a></div><div><br></div><div>All these material was published by colleague Professor Grardo Ospina and he gave me some advices (original in Spanish, translated here):</div><div><br></div><div>
<font face="times new roman, serif"><i><span style="color:rgb(17,17,17);background-color:rgb(249,249,249)">Dear Mr. Pablo Cayuela,</span><br style="color:rgb(17,17,17);background-color:rgb(249,249,249)"><br style="color:rgb(17,17,17);background-color:rgb(249,249,249)"><span style="color:rgb(17,17,17);background-color:rgb(249,249,249)">I
only have access to DOS Oberon System 3 sources, I received them from
Andreas R. Distelli in August 1995. I just uploaded them to GitHub in a
public repository (<a href="https://github.com/Classic-Tools/Project-Oberon" target="_blank">https://github.com/Classic-Tools/Project-Oberon</a>). Some files have fonts errors and not all files match the latest official version (System 3 Release 2.0). Assembling </span><a href="https://ssl.microsofttranslator.com/bv.aspx?ref=TAns&from=&to=en&a=Extender.Asm" style="color:rgb(102,0,153);text-decoration-line:none;background-color:rgb(249,249,249)" target="_blank">Extender.Asm</a><span style="color:rgb(17,17,17);background-color:rgb(249,249,249)"> results in a non-functional </span><a href="https://ssl.microsofttranslator.com/bv.aspx?ref=TAns&from=&to=en&a=oberon.com" style="color:rgb(102,0,153);text-decoration-line:none;background-color:rgb(249,249,249)" target="_blank">oberon.com</a><span style="color:rgb(17,17,17);background-color:rgb(249,249,249)"> component.</span><br style="color:rgb(17,17,17);background-color:rgb(249,249,249)"><br style="color:rgb(17,17,17);background-color:rgb(249,249,249)"><span style="color:rgb(17,17,17);background-color:rgb(249,249,249)">Attached in this email, a modified version of </span><a href="https://ssl.microsofttranslator.com/bv.aspx?ref=TAns&from=&to=en&a=Extender.Asm" style="color:rgb(102,0,153);text-decoration-line:none;background-color:rgb(249,249,249)" target="_blank">Extender.Asm</a><span style="color:rgb(17,17,17);background-color:rgb(249,249,249)"> that apparently generates a version very close to the </span><a href="https://ssl.microsofttranslator.com/bv.aspx?ref=TAns&from=&to=en&a=oberon.com" style="color:rgb(102,0,153);text-decoration-line:none;background-color:rgb(249,249,249)" target="_blank">oberon.com</a><span style="color:rgb(17,17,17);background-color:rgb(249,249,249)"> of
the latest official version, although no extensive testing has been
performed. YOU must use MASM 5.1 to assemble and exe2bin to generate <a href="http://oberon.com" target="_blank">oberon.com</a>, if the DOS you are using does not contain this tool, you can use exe2com, by Chris Dunford, available on the internet.</span><br style="color:rgb(17,17,17);background-color:rgb(249,249,249)"><br style="color:rgb(17,17,17);background-color:rgb(249,249,249)"><span style="color:rgb(17,17,17);background-color:rgb(249,249,249)">Cordial greeting,</span><br style="color:rgb(17,17,17);background-color:rgb(249,249,249)"><br style="color:rgb(17,17,17);background-color:rgb(249,249,249)"><span style="color:rgb(17,17,17);background-color:rgb(249,249,249)">Prof. Gerardo Ospina</span><br style="color:rgb(17,17,17);background-color:rgb(249,249,249)"><span style="color:rgb(17,17,17);background-color:rgb(249,249,249)">Center for Computational Architecture and Security Studies</span><br style="color:rgb(17,17,17);background-color:rgb(249,249,249)"><span style="color:rgb(17,17,17);background-color:rgb(249,249,249)">Prof. Computational Architecture and Operating Systems</span><br style="color:rgb(17,17,17);background-color:rgb(249,249,249)"><span style="color:rgb(17,17,17);background-color:rgb(249,249,249)">Systems</span> Engineering<br style="color:rgb(17,17,17);background-color:rgb(249,249,249)"><span style="color:rgb(17,17,17);background-color:rgb(249,249,249)">Colombian School of Engineering Julio Garavito</span><br style="color:rgb(17,17,17);background-color:rgb(249,249,249)"><span style="color:rgb(17,17,17);background-color:rgb(249,249,249)">Bogotá</span><br style="color:rgb(17,17,17);background-color:rgb(249,249,249)"><span style="color:rgb(17,17,17);background-color:rgb(249,249,249)">Colombia</span></i></font>
</div><div><br></div><div>The version of Extender that he sent me is here:</div><div><a href="https://github.com/pcayuela/Project-Oberon/tree/main/Building-Ospina">https://github.com/pcayuela/Project-Oberon/tree/main/Building-Ospina</a></div><div><br></div><div>I hope that you find these versions useful or informative.</div><div><br></div><div>Best regards,</div><div>Prof. Pablo Cayuela</div><div>Argentina</div><div><br></div><div>PS: I've updated system variants in Oberon wikibook <br></div><div><a href="https://en.wikibooks.org/wiki/Oberon#System_Variants">https://en.wikibooks.org/wiki/Oberon#System_Variants</a></div><div><br></div><div><br></div><div><br></div></div>