: The emulator typically expects the name mcpx_1.0.bin (using an underscore); using a hyphen instead of an underscore can cause the emulator to fail to recognize the file.
As of 2025, search engines have cracked down on direct BIOS downloads. You will no longer find mcpx-1.0.bin on the first page of Google. Avoid: Mcpx-1.0.bin Xemu -2021- Download