Once you've set up QEMU as the virtual machine emulator and installed FreeDOS, you are all set to run all your favorite DOS programs and games on the Raspberry Pi. However, it is nice to know that there is a workaround to run DOS applications and play DOS games on the Raspberry Pi via the QEMU PC emulator. Similar games, including Wolfenstein and Heretic work well too.Īgain, because of the CPU architecture, you can't run any DOS programs directly on the Raspberry Pi. Doom was my favorite game to play when I was growing up. Right now, my favorite game to play using FreeDOS in QEMU is Doom. Overall, I have not experienced any issues running DOS applications and playing DOS games. Performance issues are rare, but you may experience slow read/run times whenever you are doing any disk I/O, including writing large amounts of data. Now that you have FreeDOS installed in QEMU, you might want to see how well FreeDOS runs DOS applications and games. FreeDOS also offers additional links to other DOS programs and games available for download on its website. After reboot, the FreeDOS distribution package already comes with pre-installed games and applications to use on DOS running through the QEMU emulator on the Raspberry Pi. I provided some screenshots for what you should see after you insert the abovementioned Linux command for your reference.Īfter installation is complete, reboot FreeDOS. The FreeDOS 1.2 distribution is easy to install, all you need to do is follow the prompts. QEMU is set to boot from the CD-ROM drive (D:). The file, freedos.img, is designated as the first hard drive (C:) and the FD12CD.iso image is designated as the CD-ROM (D:) drive. The command line also gives my VM a classic Sound Blaster 16 sound card, Adlib digital music card, and standard Cirrus Logic VGA card. For your information, the previous command line tells QEMU to create a an Intel i386-compatible virtual machine with 16 megabytes of memory, a US-English keyboard, and a real-time clock based on my local system time. Qemu-system-i386 -m 16 -k en-us -rtc base=localtime -soundhw sb16,adlib -device cirrus-vga -hda freedos.img -cdrom FD12CD.iso -boot order=dĪfter inserting the command, follow the prompts and FreeDOS will be installed in no time. In order to add the rest of the parts to make FreeDOS work on the Raspberry Pi, copy and paste the following command in its entirety: Remember that the C: drive is the first hard drive, so the CD-ROM will show up as the D: drive. Download the FreeDOS 1.2 CD-ROM "standard" installer (FD12CD.iso), as it works best for this scenario, so we will use that.įirst, you need to tell QEMU to use the CD-ROM image and boot from that. Now, you need to download and install the latest distribution of FreeDOS. This command instructs QEMU to create a disk image named FreeDOS.img that is 200 MB in size. Since FreeDOS doesn't take up much space, I used the following command: First, you need to define the virtual disk image in Linux for FreeDOS. Here are the steps and commands you need to use to install and run FreeDOS. By using QEMU, you need to create every component of your Virtual Machine (VM). The good news is that QEMU is already available on most Linux systems, including Raspbian, so there is no extra software to install.īy typing in a few lines of Linux commands, you can have FreeDOS up and running in no time. It is no different from using a VM in Windows 10. QEMU is open-source virtual machine (VM) software that runs DOS as a "guest" operating system on Linux. Once installed, you will want to open Terminal from the Raspbian desktop. Follow the steps on how to install an OS to a Raspberry Pi. First, you need to install Raspbian to your Raspberry Pi. I used a Raspberry Pi 3 Model B+ for this, but any Raspberry Pi model should work. Raspbian is the operating system (OS) built specifically to be used on a Raspberry Pi. Raspberry Pi Setupįirst, you need a clean install of Raspbian installed on the Raspberry Pi. Therefore, FreeDOS can't run on the Raspberry Pi natively and instead must be used via an emulator. The Raspberry Pi operates using a completely different architecture, using an ARM CPU, which is not binary compatible with the Intel CPU and does not include a BIOS. Like any DOS, FreeDOS requires an Intel x86 CPU and a BIOS to provide basic runtime services. The reason that you can't install FreeDOS directly on the Raspberry Pi is because of the CPU architecture. At the moment, FreeDOS is the only DOS program that will allow you to run programs and games.
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