When users refer to an "Extra Quality" 32MB ROM, they are typically looking for an uncompressed byte-swapped

It is binary-identical to the North American (NTSC-U) 1.0 ROM, except for a single country code byte in the header that sets the default language. "Extra Quality" & Modern Enhancements

The “Swordless Link” glitch, “Wrong Warp” to Ganon’s Castle, and “Early Master Sword” all function differently in v1.0 JP due to memory layout differences. Speedrunners prize this version for several any% routes.