Add MS-DOS image

debug.html

@@ -22,6 +22,7 @@
         <input type="button" value="Linux 3.18" id="start_linux3">
         <input type="button" value="Windows 1.01" id="start_windows1">
         <input type="button" value="FreeDOS" id="start_freedos">
+        <input type="button" value="MS-DOS" id="start_msdos">
         <input type="button" value="OpenBSD" id="start_openbsd">
         <input type="button" value="Solar OS" id="start_solos">
         <input type="button" value="Bootchess" id="start_bootchess">

index.html

@@ -30,6 +30,8 @@
         - With internet access, telnet, ping, wget and links. Takes about 60 seconds to boot. Run <code>udhcpc</code> for networking. Exchange files through <code>/mnt/</code>.<br>
         <input type="button" value="Windows 1.01 (1.4 MB)" id="start_windows1">
         - Takes 1 second to boot<br>
+        <input type="button" value="MS-DOS 6.22 (3.4 MB)" id="start_msdos">
+        - Takes 10 seconds to boot. With Enhanced Tools, QBasic and everything from the FreeDOS image<br>
         <input type="button" value="FreeDOS (0.7 MB)" id="start_freedos">
         - With nasm, vim, debug.com, some games and demos, takes 1 second to boot<br>
         <input type="button" value="OpenBSD (1.4 MB)" id="start_openbsd">

src/browser/main.js

@@ -227,6 +227,14 @@
                     "baseurl": HOST + "arch/",
                 },
             },
+            {
+                id: "msdos",
+                hda: {
+                    "url": HOST + "images/msdos.img",
+                    "size": 8 * 1024 * 1024,
+                },
+                name: "MS-DOS",
+            },
             {
                 id: "freedos",
                 fda: {