<html><head><title>Gavare's eXperimental Emulator: Dreamcast emulation</title> <meta name="robots" content="noarchive,nofollow,noindex"></head> <body> <table border=0 width=100% bgcolor="#d0d0d0"><tr> <td width=100% align=center valign=center><table border=0 width=100%><tr> <td align="left" valign=center bgcolor="#d0efff"><font color="#6060e0" size="6"> <b>GXemul:</b></font> <font color="#000000" size="6"><b>Dreamcast emulation</b> </font></td></tr></table></td></tr></table><p> <!-- Copyright (C) 2006-2009 Anders Gavare. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. --> <a href="./">Back to the index</a> <p><br> <h2>Dreamcast emulation</h2> <p> <ul> <li><a href="#intro">Introduction</a> <li><a href="#netbsd_generic_md">NetBSD/dreamcast GENERIC_MD</a> <li><a href="#netbsd_live_cd">NetBSD/dreamcast Live CD</a> <li><a href="#linux_live_cd">Linux/dreamcast Live CD</a> </ul> <p><br> <a name="intro"></a> <h3>Introduction:</h3> This page contains information about the <a href="http://en.wikipedia.org/wiki/Dreamcast">Dreamcast</a> emulation mode in GXemul. It's not a very long page, but I thought it would be best to gather everything Dreamcast-specific in one place. <p>My main goal with Dreamcast emulation is to let <a href="http://www.netbsd.org/ports/dreamcast/">NetBSD/dreamcast</a> run, similar to how it runs on a real machine. I am also experimenting with other programs, such as Linux and simple demo programs that use <a href="http://gamedev.allusion.net/softprj/kos/">KOS</a>, and <a href="http://mc.pp.se/dc/sw.html">Marcus Comstedt's tutorial programs</a>. These sometimes work to a certain degree. <p>Games (especially commercial games) are very unlikely to run. <p><br> <a name="netbsd_generic_md"></a> <h3>NetBSD/dreamcast GENERIC_MD:</h3> <p>It is possible to run <a href="http://www.netbsd.org/ports/dreamcast/">NetBSD/dreamcast</a> in GXemul. A NetBSD ramdisk kernel can reach userland, however, no network interface is emulated yet, so root-on-nfs is not possible. <p> <a href="20061029-netbsd-dreamcast.png"><img src="20061029-netbsd-dreamcast_small.png"></a> <a href="20061104-netbsd-dreamcast-real.jpg"><img src="20061104-netbsd-dreamcast-real_small.png"></a> <p>(The photo on the right shows NetBSD/dreamcast running both on a real Dreamcast, and in the emulator.) <p>Download the 4.0 kernel here:<pre> <a href="ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-4.0/dreamcast/binary/kernel/netbsd-GENERIC_MD.gz">ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-4.0/dreamcast/binary/kernel/netbsd-GENERIC_MD.gz</a> </pre> <p>Start NetBSD/dreamcast using the following command line:<pre> <b>gxemul -XEdreamcast netbsd-GENERIC_MD.gz</b> </pre> <p><br> <a name="netbsd_live_cd"></a> <h3>NetBSD/dreamcast Live CD:</h3> <p>According to <a href="http://mail-index.netbsd.org/port-dreamcast/2005/04/25/0000.html">http://mail-index.netbsd.org/port-dreamcast/2005/04/25/0000.html</a>, Rui Paulo has made available a NetBSD/dreamcast Live CD. It can run in GXemul: <p> <a href="20070128-netbsd-dreamcast-livecd-1.png"><img src="20070128-netbsd-dreamcast-livecd-1_small.png"></a> <a href="20070128-netbsd-dreamcast-livecd-2.png"><img src="20070128-netbsd-dreamcast-livecd-2_small.png"></a> <p>The image is available here:<pre> <a href="http://netbsd.student.utwente.nl/rpaulo/">http://netbsd.student.utwente.nl/rpaulo/</a> </pre> <p><font color="#ff0000">NOTE (February 2007):</font> The ISO image seems to have been removed from the server, but you should be able to create one from scratch using instructions available at various locations on the Internet. <p>Only the ISO9660 filesystem image is needed:<pre> <a href="http://netbsd.student.utwente.nl/rpaulo/livecd.raw.bz2">http://netbsd.student.utwente.nl/rpaulo/livecd.raw.bz2</a> </pre> Uncompress the CD image (using bunzip2), and type the following command to attempt to boot directly from the image:<pre> <b>gxemul -XEdreamcast -d co23965696:livecd.raw</b> </pre> (The <tt><b>c</b></tt> disk image option is necessary to treat the raw file as a CDROM image, and the <tt><b>o</b></tt> part is needed because the ISO9660 filesystem in the image is offset by 11702 sectors, i.e. 2048 bytes each.) <p>At the <b><tt>root device:</tt></b> prompt, type <b><tt>gdrom0</tt></b>. For <b><tt>dump device</tt></b>, <b><tt>file system</tt></b>, and <b><tt>init path</tt></b>, just press Enter. <p><br> <a name="linux_live_cd"></a> <h3>Linux/dreamcast Live CD:</h3> <p> <a href="20070308-linux-dreamcast-1.png"><img src="20070308-linux-dreamcast-1_small.png"></a> <a href="20070308-linux-dreamcast-2.png"><img src="20070308-linux-dreamcast-2_small.png"></a> <p>A Linux/dreamcast Live CD ISO image can be found here:<pre> <a href="http://ftp.riken.go.jp/pub/misc/Japan/m17n.org/super-h/CD-R/lc2000.iso">http://ftp.riken.go.jp/pub/misc/Japan/m17n.org/super-h/CD-R/lc2000.iso</a> </pre> Once you have downloaded the ISO image, type the following command to boot directly from the image:<pre> <b>gxemul -XEdreamcast -d o23965696:lc2000.iso</b> </pre> <p>(It seems that this specific iso image was built using instructions from <a href="http://www.anytux.org/doc.php?doc_id=1">http://www.anytux.org/doc.php?doc_id=1</a>.) <p><br> </body> </html>
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