Cx4.bin

cx4.bin is a direct, bit-for-bit copy of that internal ROM. The C4 chip was not widely used. It appears exclusively in three Capcom titles released in the mid-1990s. If you attempt to play any of these games without the cx4.bin file, the emulator cannot emulate the enhancement chip, and the game will crash or display graphical garbage.

The answer lies in

In the intricate world of video game preservation and emulation, few things cause as much confusion for newcomers as missing BIOS or firmware files. Among these, nestled in the directories of countless SNES emulators like Higan, BSNES, and ZSNES, sits a small but crucial file named cx4.bin . cx4.bin

The code contained inside cx4.bin is copyrighted by Distributing this file without Capcom’s permission is illegal in most jurisdictions, the same way distributing a Nintendo BIOS file is illegal. If you attempt to play any of these games without the cx4