BIOS: Add further detail to missing BIOS message

src/core/bios.cpp

@@ -421,8 +421,18 @@ std::optional<std::vector<u8>> BIOS::FindBIOSImageInDirectory(ConsoleRegion regi
 
   if (!fallback_image.has_value())
   {
+#ifndef __ANDROID__
+    Error::SetStringFmt(
+      error,
+      TRANSLATE_FS("System", "No BIOS image found for {} region.\n\nDuckStation requires a PS1 or PS2 BIOS in order to "
+                             "run.\n\nFor legal reasons, you *must* obtain a BIOS from an actual PS1 unit that you own "
+                             "(borrowing doesn't count).\n\nOnce dumped, this BIOS image should be placed in the bios "
+                             "folder within the data directory (Tools Menu -> Open Data Directory)."),
+      Settings::GetConsoleRegionName(region));
+#else
     Error::SetStringFmt(error, TRANSLATE_FS("System", "No BIOS image found for {} region."),
                         Settings::GetConsoleRegionName(region));
+#endif
     return fallback_image;
   }