Found this interesting article in the french "ST Magazine" n°72. It's about Falcon and games, and they provide a listing in ASM to help fixing compatibility issues.
http://www.abandonware-magazines.org/af ... &album=oui
(from page 40 onwards)
Do you think it is useful ? (Before I try to type it)
It it the same kind of trick used by Klapauzius and others ?