The following is a pretty decent historical page about the pre-(U)EFI MBR (Master Boot Record) boot process: https://thestarman.pcministry.com/asm/mbr/STDMBR.htm Note that EFI/UEFI — occurred much later in time than MBR… Related: https://en.wikipedia.org/wiki/Master_boot_record You might also wish to check out some emulators, most notably Bochs (https://bochs.sourceforge.io/) and QEMU (https://www.qemu.org/)…
– Source: Hacker News
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over 1 year ago
With both of those you can make some really nice DOS programs. Which you can then run in bochs (not virtualized, but an emulator. Close enough 🙂 ).
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over 1 year ago
Are you sure that module isn’t just called bochs? It is a DRM driver for a graphics device provided by the Bochs emulator.
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over 2 years ago
There are other projects out there that can do that kind of emulation though. You might look into QEMU and Bochs.
Https://bochs.sourceforge.io/.
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over 2 years ago
However, most of these are rather old since they mention floppy drives and the legacy BIOS. If your machine is very recent, it’s possible the code won’t even work. Ou can still use Bochs, qemu, or VirtualBox to run it, if you insist.
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almost 3 years ago
Back in the late 90s and early 00s we used to do things like running Bochs[0] instances inside of OSs running on Bochs instances recursively. Back then we thought it was funny, but these days that just seems to be how software works. [0] Hey guys, remember Bochs? https://bochs.sourceforge.io/.
– Source: Hacker News
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over 3 years ago
