Changes
* Port FB7Eh - FDC 765 Main Status Register (read only)
* Port FB7Fh - FDC 765 Data Register (read/write)
== IC Models used in CPC ==
More than one manufacturer made 765 compatible ICs. These are the ones known to be used in the CPC by looking at pictures of CPC mainboards.
All should operate almost identically.
* ZILOG Z0765A08PSC
* NEC D765AC-2
* NEC D765AC
== Accessing the FDC 765 ==
