Add compatibility with copiers

[flacidsnake]

Hi,

would be nice to add support for old floppy-based copiers in order to make an IPS patch originally created for a specific copier compatible with another copiers :)

Use case:

Consider the ROM of Pilotwings (a game with DSP1 chip).

Copiers like Super Wild Card or Double Pro Fighter can boot any DSP1 game with Super Mario Kart cartridge inserted on top of the copier, acting as a passthrough DSP1 chip. The only exception is Pilotwings, which requires a patch in order to accept Super Mario Kart as a passthrough chip.

The DSP patch for Pilotwings can be found here: https://dbwbp.com/images/SWCDX2FAQ/files/pilotcrk.zip

This patch was originally created for Super Wild Card copier, as the readme file suggests. The objective is to replace the header data involving Super Wild Card with the data of another copier (e.g. Double Pro Fighter, Super Pro Fighter, etc... ), making the IPS patch compatible with other copiers.

Thank you!