Yesterday, Microsoft began rolling out its backwards compatibility to PC program for original Xbox and Xbox 360 titles, starting with four classic games. But we don't have to wait long to get the rest of the library. It turns out that Microsoft has unwittingly handed the keys to the kingdom to the emulator community with this launch.
“By combining Microsoft's recently released PC port of XeO3 with XWine1, SlimeEra's exclusive components, it's possible to run dump backwards-compatible Xbox 360 and Xbox Original games before they see an official PC release, with varying degrees of success,” the XWine1 team posted.
In other words, modders are combining Microsoft's backwards compatibility (which is functionally an official emulator) with open source tools to play original Xbox and Xbox 360 titles directly on PC.
How it all works
Traditional PC emulators translate console hardware instructions into PC instructions in real time, which is incredibly taxing on your CPU. By pairing Microsoft's official XeO3 implementation layer, a highly optimized translation wrapper for Xbox games, with the open source SlimEra, modders can completely bypass standard emulation. This combination will allow you to run dumped original Xbox and Xbox 360 games on PC with near native performance.
Because of this, you don't have to wait for Microsoft to officially test, license, and release each Legacy game individually. Instead, you can directly load dumped backups of backwards-compatible Xbox Original and Xbox 360 games. While official Microsoft releases offer additional polish, such as dedicated graphics options, VSync, resolution scaling, and soon, native achievement integration, booting games through custom translation layers offers no guarantee of stability. But using official translation layers is still a major breakthrough for Xbox emulation, and will only improve over time.
Already, we are seeing great progress among the community. While performance currently varies across titles, the XWine1 team noted that the issues likely stem from missing game-specific fusion/fission execution profiles. Creating or tweaking these profiles can quickly expand compatibility to a much wider selection of games.
- brand
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Microsoft
- Original release date
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November 15, 2001
- Original MSRP (USD)
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$299, £299, €479
- operating system
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Proprietary, Windows NT-based
- processor
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Custom 733 MHz Intel Pentium III “Coppermine-based” processor
- resolve
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480i, 480p, 576i, 576p, 720p, 1080i
