8 Aug
2006
8 Aug
'06
9:44 a.m.
Chuck Guzis wrote:
I've wondered about something for years, however.
Did anyone ever make use
of the fact that an INI or OTI instruction placed the contents of both the
B and C registers on the Z80 address bus? It would seem to be a simple way
of expanding the I/O space to 64K ports.
Yes, the 8088 did.
Cheers,
Chuck