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diff --git a/docs/feed.rss b/docs/feed.rss index 4f92bc6..d242684 100644 --- a/docs/feed.rss +++ b/docs/feed.rss @@ -4,8 +4,8 @@ <title>Navan's Archive</title> <description>Rare Tips, Tricks and Posts</description> <link>https://web.navan.dev/</link><language>en</language> - <lastBuildDate>Wed, 28 Feb 2024 11:50:15 -0000</lastBuildDate> - <pubDate>Wed, 28 Feb 2024 11:50:15 -0000</pubDate> + <lastBuildDate>Fri, 15 Mar 2024 15:00:25 -0000</lastBuildDate> + <pubDate>Fri, 15 Mar 2024 15:00:25 -0000</pubDate> <ttl>250</ttl> <atom:link href="https://web.navan.dev/feed.rss" rel="self" type="application/rss+xml"/> @@ -198,6 +198,292 @@ I actually added the code to this post after running the program.</p> <item> <guid isPermaLink="true"> + https://web.navan.dev/posts/2024-03-15-setting-up-macos-for-8088-dos-dev.html + </guid> + <title> + Cross-Compiling Hello World for DOS on macOS + </title> + <description> + This goes through compiling Open Watcom 2 and creating simple hello-world exampls + </description> + <link>https://web.navan.dev/posts/2024-03-15-setting-up-macos-for-8088-dos-dev.html</link> + <pubDate>Fri, 15 Mar 2024 13:16:00 -0000</pubDate> + <content:encoded><![CDATA[<h1>Cross-Compiling Hello World for DOS on macOS</h1> + +<p>Technically this should work for any platform that OpenWatcom 2 supports compiling binaries for. Some instructions are based on <a rel="noopener" target="_blank" href="https://retrocoding.net/openwatcom-gateway-to-ancient-world-of-x86">a post at retrocoding.net</a>, + and <a rel="noopener" target="_blank" href="http://nuclear.mutantstargoat.com/articles/retrocoding/dos01-setup/#hello-world-program">John Tsiombikas's post</a></p> + +<h2>Prerequisites</h2> + +<p>You should already have XCode / Command Line Tools, and Homebrew installed. To compile Open Watcom for DOS you will need DOSBox (I use DOSBox-X).</p> + +<div class="codehilite"> +<pre><span></span><code>brew<span class="w"> </span>install<span class="w"> </span>--cask<span class="w"> </span>dosbox-x +</code></pre> +</div> + +<h2>Compiling Open Watcom v2</h2> + +<p><em>If this process is super annoying, I might make a custom homebrew tap to build and install Open Watcom</em></p> + +<div class="codehilite"> +<pre><span></span><code>git<span class="w"> </span>clone<span class="w"> </span>https://github.com/open-watcom/open-watcom-v2 +cp<span class="w"> </span>open-watcom-v2/setvars.sh<span class="w"> </span>custom_setvars.sh +</code></pre> +</div> + +<p>Now, edit this <code>setvars.sh</code> file. My file looks like this:</p> + +<div class="codehilite"> +<pre><span></span><code><span class="ch">#!/bin/zsh</span> +<span class="nb">export</span><span class="w"> </span><span class="nv">OWROOT</span><span class="o">=</span><span class="s2">"/Users/navanchauhan/Developer/8088Stuff/open-watcom-v2"</span> +<span class="nb">export</span><span class="w"> </span><span class="nv">OWTOOLS</span><span class="o">=</span>CLANG +<span class="nb">export</span><span class="w"> </span><span class="nv">OWDOCBUILD</span><span class="o">=</span><span class="m">0</span> +<span class="nb">export</span><span class="w"> </span><span class="nv">OWGUINOBUILD</span><span class="o">=</span><span class="m">0</span> +<span class="nb">export</span><span class="w"> </span><span class="nv">OWDISTRBUILD</span><span class="o">=</span><span class="m">0</span> +<span class="nb">export</span><span class="w"> </span><span class="nv">OWDOSBOX</span><span class="o">=</span><span class="s2">"/Applications/dosbox-x.app/Contents/MacOS/dosbox-x"</span> +<span class="nb">export</span><span class="w"> </span><span class="nv">OWOBJDIR</span><span class="o">=</span>binbuildV01 +.<span class="w"> </span><span class="s2">"</span><span class="nv">$OWROOT</span><span class="s2">/cmnvars.sh"</span> +<span class="nb">echo</span><span class="w"> </span><span class="s2">"OWROOT=</span><span class="nv">$OWROOT</span><span class="s2">"</span> +<span class="nb">cd</span><span class="w"> </span><span class="s2">"</span><span class="nv">$OWROOT</span><span class="s2">"</span> +</code></pre> +</div> + +<p>Note, your <code>OWRTOOT</code> is definitely going to be in a different location.</p> + +<div class="codehilite"> +<pre><span></span><code><span class="nb">source</span><span class="w"> </span>./custom_setvars.sh +./build.sh +./build.sh<span class="w"> </span>rel +</code></pre> +</div> + +<p>This will build, and then copy everything to the <code>rel</code> directory inside <code>open-watcom-v2</code> directory. Since I ran this on an Apple Silicon Mac, + all the binaries for me are in the <code>armo64</code> directory. You can now move everything inside the rel folder to another location, or create a simple + script to init all variables whenever you want.</p> + +<p>I like having a script called <code>exportVarsForDOS.sh</code> </p> + +<div class="codehilite"> +<pre><span></span><code><span class="ch">#!/bin/zsh</span> + +<span class="nb">export</span><span class="w"> </span><span class="nv">WATCOM</span><span class="o">=</span>/Users/navanchauhan/Developer/8088Stuff/open-watcom-v2/rel +<span class="nb">export</span><span class="w"> </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:<span class="nv">$WATCOM</span>/armo64 +<span class="nb">export</span><span class="w"> </span><span class="nv">EDDAT</span><span class="o">=</span><span class="nv">$WATCOM</span>/eddat + +<span class="c1"># For DOS 8088/8086 development</span> +<span class="nb">export</span><span class="w"> </span><span class="nv">INCLUDE</span><span class="o">=</span><span class="nv">$WATCOM</span>/h +<span class="nb">export</span><span class="w"> </span><span class="nv">LIB</span><span class="o">=</span><span class="nv">$WATCOM</span>/lib286<span class="w"> </span><span class="c1"># You don't really need this</span> +</code></pre> +</div> + +<p>Then, when you need to load up these variables, you can simply run <code>source exportVarsForDOS.sh</code> or <code>. exportVarsForDOS.sh</code></p> + +<h2>Hello World</h2> + +<h3>Buliding without any Makefiles</h3> + +<p>Create a new file called <code>example1.c</code></p> + +<div class="codehilite"> +<pre><span></span><code><span class="cp">#include</span><span class="cpf"><stdio.h></span> + +<span class="kt">int</span><span class="w"> </span><span class="nf">main</span><span class="p">()</span><span class="w"> </span><span class="p">{</span> +<span class="w"> </span><span class="n">printf</span><span class="p">(</span><span class="s">"Hello World!"</span><span class="p">);</span> +<span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span> +<span class="p">}</span> +</code></pre> +</div> + +<p>First we compile the code:</p> + +<div class="codehilite"> +<pre><span></span><code>$<span class="w"> </span>wcc<span class="w"> </span>example1.c +Open<span class="w"> </span>Watcom<span class="w"> </span>C<span class="w"> </span>x86<span class="w"> </span><span class="m">16</span>-bit<span class="w"> </span>Optimizing<span class="w"> </span>Compiler +Version<span class="w"> </span><span class="m">2</span>.0<span class="w"> </span>beta<span class="w"> </span>Mar<span class="w"> </span><span class="m">15</span><span class="w"> </span><span class="m">2024</span><span class="w"> </span><span class="m">13</span>:11:55 +Copyright<span class="w"> </span><span class="o">(</span>c<span class="o">)</span><span class="w"> </span><span class="m">2002</span>-2024<span class="w"> </span>The<span class="w"> </span>Open<span class="w"> </span>Watcom<span class="w"> </span>Contributors.<span class="w"> </span>All<span class="w"> </span>Rights<span class="w"> </span>Reserved. +Portions<span class="w"> </span>Copyright<span class="w"> </span><span class="o">(</span>c<span class="o">)</span><span class="w"> </span><span class="m">1984</span>-2002<span class="w"> </span>Sybase,<span class="w"> </span>Inc.<span class="w"> </span>All<span class="w"> </span>Rights<span class="w"> </span>Reserved. +Source<span class="w"> </span>code<span class="w"> </span>is<span class="w"> </span>available<span class="w"> </span>under<span class="w"> </span>the<span class="w"> </span>Sybase<span class="w"> </span>Open<span class="w"> </span>Watcom<span class="w"> </span>Public<span class="w"> </span>License. +See<span class="w"> </span>https://github.com/open-watcom/open-watcom-v2#readme<span class="w"> </span><span class="k">for</span><span class="w"> </span>details. +example1.c:<span class="w"> </span><span class="m">7</span><span class="w"> </span>lines,<span class="w"> </span>included<span class="w"> </span><span class="m">818</span>,<span class="w"> </span><span class="m">0</span><span class="w"> </span>warnings,<span class="w"> </span><span class="m">0</span><span class="w"> </span>errors +Code<span class="w"> </span>size:<span class="w"> </span><span class="m">19</span> +</code></pre> +</div> + +<p>Then, link to make an executable:</p> + +<div class="codehilite"> +<pre><span></span><code>$<span class="w"> </span>wlink<span class="w"> </span>name<span class="w"> </span>example1.exe<span class="w"> </span>system<span class="w"> </span>dos<span class="w"> </span>file<span class="w"> </span>example1.o +Open<span class="w"> </span>Watcom<span class="w"> </span>Linker<span class="w"> </span>Version<span class="w"> </span><span class="m">2</span>.0<span class="w"> </span>beta<span class="w"> </span>Mar<span class="w"> </span><span class="m">15</span><span class="w"> </span><span class="m">2024</span><span class="w"> </span><span class="m">13</span>:10:09 +Copyright<span class="w"> </span><span class="o">(</span>c<span class="o">)</span><span class="w"> </span><span class="m">2002</span>-2024<span class="w"> </span>The<span class="w"> </span>Open<span class="w"> </span>Watcom<span class="w"> </span>Contributors.<span class="w"> </span>All<span class="w"> </span>Rights<span class="w"> </span>Reserved. +Portions<span class="w"> </span>Copyright<span class="w"> </span><span class="o">(</span>c<span class="o">)</span><span class="w"> </span><span class="m">1985</span>-2002<span class="w"> </span>Sybase,<span class="w"> </span>Inc.<span class="w"> </span>All<span class="w"> </span>Rights<span class="w"> </span>Reserved. +Source<span class="w"> </span>code<span class="w"> </span>is<span class="w"> </span>available<span class="w"> </span>under<span class="w"> </span>the<span class="w"> </span>Sybase<span class="w"> </span>Open<span class="w"> </span>Watcom<span class="w"> </span>Public<span class="w"> </span>License. +See<span class="w"> </span>https://github.com/open-watcom/open-watcom-v2#readme<span class="w"> </span><span class="k">for</span><span class="w"> </span>details. +loading<span class="w"> </span>object<span class="w"> </span>files +searching<span class="w"> </span>libraries +creating<span class="w"> </span>a<span class="w"> </span>DOS<span class="w"> </span>executable<span class="w"> </span> +</code></pre> +</div> + +<p>If you want to test this executable, jump to the section titled <code>Testing with DOSBox-X</code> below.</p> + +<h3>Simple Makefile</h3> + +<div class="codehilite"> +<pre><span></span><code><span class="nv">obj</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>main.o<span class="w"> </span>hello.o +<span class="nv">bin</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>tizts.com + +<span class="nv">CC</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>wcc +<span class="nv">CFLAGS</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>-0 +<span class="nv">LD</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>wlink + +<span class="nf">$(bin)</span><span class="o">:</span><span class="w"> </span><span class="k">$(</span><span class="nv">obj</span><span class="k">)</span> +<span class="w"> </span><span class="k">$(</span>LD<span class="k">)</span><span class="w"> </span>name<span class="w"> </span><span class="nv">$@</span><span class="w"> </span>system<span class="w"> </span>dos<span class="w"> </span>file<span class="w"> </span>main.o<span class="w"> </span>file<span class="w"> </span>hello.o<span class="w"> </span> + +<span class="nf">.c.o</span><span class="o">:</span> +<span class="w"> </span><span class="k">$(</span>CC<span class="k">)</span><span class="w"> </span><span class="k">$(</span>CFLAGS<span class="k">)</span><span class="w"> </span>$< + +<span class="nf">clean</span><span class="o">:</span> +<span class="w"> </span>rm<span class="w"> </span><span class="k">$(</span>obj<span class="k">)</span><span class="w"> </span><span class="k">$(</span>bin<span class="k">)</span> +</code></pre> +</div> + +<p>Where, <code>main.c</code></p> + +<div class="codehilite"> +<pre><span></span><code><span class="kt">void</span><span class="w"> </span><span class="nf">hello</span><span class="p">(</span><span class="kt">void</span><span class="p">);</span> + +<span class="kt">int</span><span class="w"> </span><span class="nf">main</span><span class="p">(</span><span class="kt">void</span><span class="p">)</span> +<span class="p">{</span> +<span class="w"> </span><span class="n">hello</span><span class="p">();</span> +<span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span> +<span class="p">}</span> +</code></pre> +</div> + +<p>and <code>hello.c</code></p> + +<div class="codehilite"> +<pre><span></span><code><span class="cm">/* hello.c */</span> +<span class="cp">#include</span><span class="w"> </span><span class="cpf"><stdio.h></span> + +<span class="kt">void</span><span class="w"> </span><span class="nf">hello</span><span class="p">(</span><span class="kt">void</span><span class="p">)</span> +<span class="p">{</span> +<span class="w"> </span><span class="n">printf</span><span class="p">(</span><span class="s">"Hello!"</span><span class="p">);</span> +<span class="p">}</span> +</code></pre> +</div> + +<p>To compile into <code>tizts.com</code> simply run <code>wmake</code></p> + +<div class="codehilite"> +<pre><span></span><code>$<span class="w"> </span>wmake +➜<span class="w"> </span>simple-cpp<span class="w"> </span>wmake +Open<span class="w"> </span>Watcom<span class="w"> </span>Make<span class="w"> </span>Version<span class="w"> </span><span class="m">2</span>.0<span class="w"> </span>beta<span class="w"> </span>Mar<span class="w"> </span><span class="m">15</span><span class="w"> </span><span class="m">2024</span><span class="w"> </span><span class="m">13</span>:10:16 +Copyright<span class="w"> </span><span class="o">(</span>c<span class="o">)</span><span class="w"> </span><span class="m">2002</span>-2024<span class="w"> </span>The<span class="w"> </span>Open<span class="w"> </span>Watcom<span class="w"> </span>Contributors.<span class="w"> </span>All<span class="w"> </span>Rights<span class="w"> </span>Reserved. +Portions<span class="w"> </span>Copyright<span class="w"> </span><span class="o">(</span>c<span class="o">)</span><span class="w"> </span><span class="m">1988</span>-2002<span class="w"> </span>Sybase,<span class="w"> </span>Inc.<span class="w"> </span>All<span class="w"> </span>Rights<span class="w"> </span>Reserved. +Source<span class="w"> </span>code<span class="w"> </span>is<span class="w"> </span>available<span class="w"> </span>under<span class="w"> </span>the<span class="w"> </span>Sybase<span class="w"> </span>Open<span class="w"> </span>Watcom<span class="w"> </span>Public<span class="w"> </span>License. +See<span class="w"> </span>https://github.com/open-watcom/open-watcom-v2#readme<span class="w"> </span><span class="k">for</span><span class="w"> </span>details. +<span class="w"> </span>wcc<span class="w"> </span>-0<span class="w"> </span>main.c +Open<span class="w"> </span>Watcom<span class="w"> </span>C<span class="w"> </span>x86<span class="w"> </span><span class="m">16</span>-bit<span class="w"> </span>Optimizing<span class="w"> </span>Compiler +Version<span class="w"> </span><span class="m">2</span>.0<span class="w"> </span>beta<span class="w"> </span>Mar<span class="w"> </span><span class="m">15</span><span class="w"> </span><span class="m">2024</span><span class="w"> </span><span class="m">13</span>:11:55 +Copyright<span class="w"> </span><span class="o">(</span>c<span class="o">)</span><span class="w"> </span><span class="m">2002</span>-2024<span class="w"> </span>The<span class="w"> </span>Open<span class="w"> </span>Watcom<span class="w"> </span>Contributors.<span class="w"> </span>All<span class="w"> </span>Rights<span class="w"> </span>Reserved. +Portions<span class="w"> </span>Copyright<span class="w"> </span><span class="o">(</span>c<span class="o">)</span><span class="w"> </span><span class="m">1984</span>-2002<span class="w"> </span>Sybase,<span class="w"> </span>Inc.<span class="w"> </span>All<span class="w"> </span>Rights<span class="w"> </span>Reserved. +Source<span class="w"> </span>code<span class="w"> </span>is<span class="w"> </span>available<span class="w"> </span>under<span class="w"> </span>the<span class="w"> </span>Sybase<span class="w"> </span>Open<span class="w"> </span>Watcom<span class="w"> </span>Public<span class="w"> </span>License. +See<span class="w"> </span>https://github.com/open-watcom/open-watcom-v2#readme<span class="w"> </span><span class="k">for</span><span class="w"> </span>details. +main.c<span class="o">(</span><span class="m">8</span><span class="o">)</span>:<span class="w"> </span>Warning!<span class="w"> </span>W138:<span class="w"> </span>No<span class="w"> </span>newline<span class="w"> </span>at<span class="w"> </span>end<span class="w"> </span>of<span class="w"> </span>file +main.c:<span class="w"> </span><span class="m">8</span><span class="w"> </span>lines,<span class="w"> </span>included<span class="w"> </span><span class="m">53</span>,<span class="w"> </span><span class="m">1</span><span class="w"> </span>warnings,<span class="w"> </span><span class="m">0</span><span class="w"> </span>errors +Code<span class="w"> </span>size:<span class="w"> </span><span class="m">12</span> +<span class="w"> </span>wcc<span class="w"> </span>-0<span class="w"> </span>hello.c +Open<span class="w"> </span>Watcom<span class="w"> </span>C<span class="w"> </span>x86<span class="w"> </span><span class="m">16</span>-bit<span class="w"> </span>Optimizing<span class="w"> </span>Compiler +Version<span class="w"> </span><span class="m">2</span>.0<span class="w"> </span>beta<span class="w"> </span>Mar<span class="w"> </span><span class="m">15</span><span class="w"> </span><span class="m">2024</span><span class="w"> </span><span class="m">13</span>:11:55 +Copyright<span class="w"> </span><span class="o">(</span>c<span class="o">)</span><span class="w"> </span><span class="m">2002</span>-2024<span class="w"> </span>The<span class="w"> </span>Open<span class="w"> </span>Watcom<span class="w"> </span>Contributors.<span class="w"> </span>All<span class="w"> </span>Rights<span class="w"> </span>Reserved. +Portions<span class="w"> </span>Copyright<span class="w"> </span><span class="o">(</span>c<span class="o">)</span><span class="w"> </span><span class="m">1984</span>-2002<span class="w"> </span>Sybase,<span class="w"> </span>Inc.<span class="w"> </span>All<span class="w"> </span>Rights<span class="w"> </span>Reserved. +Source<span class="w"> </span>code<span class="w"> </span>is<span class="w"> </span>available<span class="w"> </span>under<span class="w"> </span>the<span class="w"> </span>Sybase<span class="w"> </span>Open<span class="w"> </span>Watcom<span class="w"> </span>Public<span class="w"> </span>License. +See<span class="w"> </span>https://github.com/open-watcom/open-watcom-v2#readme<span class="w"> </span><span class="k">for</span><span class="w"> </span>details. +hello.c:<span class="w"> </span><span class="m">8</span><span class="w"> </span>lines,<span class="w"> </span>included<span class="w"> </span><span class="m">818</span>,<span class="w"> </span><span class="m">0</span><span class="w"> </span>warnings,<span class="w"> </span><span class="m">0</span><span class="w"> </span>errors +Code<span class="w"> </span>size:<span class="w"> </span><span class="m">17</span> +<span class="w"> </span>wlink<span class="w"> </span>name<span class="w"> </span>tizts.com<span class="w"> </span>system<span class="w"> </span>dos<span class="w"> </span>file<span class="w"> </span>main.o<span class="w"> </span>file<span class="w"> </span>hello.o +Open<span class="w"> </span>Watcom<span class="w"> </span>Linker<span class="w"> </span>Version<span class="w"> </span><span class="m">2</span>.0<span class="w"> </span>beta<span class="w"> </span>Mar<span class="w"> </span><span class="m">15</span><span class="w"> </span><span class="m">2024</span><span class="w"> </span><span class="m">13</span>:10:09 +Copyright<span class="w"> </span><span class="o">(</span>c<span class="o">)</span><span class="w"> </span><span class="m">2002</span>-2024<span class="w"> </span>The<span class="w"> </span>Open<span class="w"> </span>Watcom<span class="w"> </span>Contributors.<span class="w"> </span>All<span class="w"> </span>Rights<span class="w"> </span>Reserved. +Portions<span class="w"> </span>Copyright<span class="w"> </span><span class="o">(</span>c<span class="o">)</span><span class="w"> </span><span class="m">1985</span>-2002<span class="w"> </span>Sybase,<span class="w"> </span>Inc.<span class="w"> </span>All<span class="w"> </span>Rights<span class="w"> </span>Reserved. +Source<span class="w"> </span>code<span class="w"> </span>is<span class="w"> </span>available<span class="w"> </span>under<span class="w"> </span>the<span class="w"> </span>Sybase<span class="w"> </span>Open<span class="w"> </span>Watcom<span class="w"> </span>Public<span class="w"> </span>License. +See<span class="w"> </span>https://github.com/open-watcom/open-watcom-v2#readme<span class="w"> </span><span class="k">for</span><span class="w"> </span>details. +loading<span class="w"> </span>object<span class="w"> </span>files +searching<span class="w"> </span>libraries +creating<span class="w"> </span>a<span class="w"> </span>DOS<span class="w"> </span>executable +</code></pre> +</div> + +<h3>Using CMake</h3> + +<p>Create a file called <code>CMakeLists.txt</code></p> + +<div class="codehilite"> +<pre><span></span><code><span class="nb">project</span><span class="p">(</span><span class="s">hello</span><span class="p">)</span> + +<span class="nb">set</span><span class="p">(</span><span class="s">SOURCES</span><span class="w"> </span><span class="s">abc.c</span><span class="p">)</span> + +<span class="nb">add_executable</span><span class="p">(</span><span class="s">hello</span><span class="w"> </span><span class="o">${</span><span class="nv">SOURCES</span><span class="o">}</span><span class="p">)</span> +</code></pre> +</div> + +<p>Where, <code>abc.c</code> is:</p> + +<div class="codehilite"> +<pre><span></span><code><span class="cp">#include</span><span class="w"> </span><span class="cpf"><stdio.h></span> + +<span class="kt">int</span><span class="w"> </span><span class="nf">main</span><span class="p">()</span><span class="w"> </span><span class="p">{</span> +<span class="w"> </span><span class="n">printf</span><span class="p">(</span><span class="s">"Does this work?"</span><span class="p">);</span> +<span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span> +<span class="p">}</span> +</code></pre> +</div> + +<div class="codehilite"> +<pre><span></span><code>mkdir<span class="w"> </span>build +<span class="nb">cd</span><span class="w"> </span>build +</code></pre> +</div> + +<p>And build using CMake</p> + +<pre><code>cmake -DCMAKE_SYSTEM_NAME=DOS -DCMAKE_SYSTEM_PROCESSOR=I86 -DCMAKE_C_FLAGS="-0 -bt=dos -d0 -oaxt" -G "Watcom WMake" ../.. +</code></pre> + +<p>There you have it. Three different ways to compile a C program on a macOS device in 2024 that can run on an IBM PC 5150 (which was released in 1981!)</p> + +<h2>Testing with DOSBox-X</h2> + +<div class="codehilite"> +<pre><span></span><code>cp<span class="w"> </span>example1.exe<span class="w"> </span>~/Downloads +/Applications/dosbox-x.app/Contents/MacOS/dosbox-x +</code></pre> +</div> + +<p>In DOSBox-X we now mount the <code>~/Downloads</code> folder as our <code>C:</code> drive</p> + +<pre><code>mount C ~/Downloads +</code></pre> + +<p>Switch to the C drive</p> + +<pre><code>C: +</code></pre> + +<p>Run the program:</p> + +<pre><code>example1 +</code></pre> + +<p><img src="/assets/posts/dosbox/hello-world.png" alt="Running our program in DOSBox-X" /></p> + +<p><em>My DOSBox setup might look slightly different than yours...</em></p> +]]></content:encoded> + </item> + + <item> + <guid isPermaLink="true"> https://web.navan.dev/posts/hello-world.html </guid> <title> |