Re: 65816 and I/O

From: MagerValp (MagerValp_at_cling.gu.se)
Date: 2001-01-22 17:49:03

>>>>> "MM" == =?ISO-8859-1?Q?Marko M=E4kel=E4?= <ISO-8859-1> writes:

NW> I'm not sure, but doesn't the Ultimax mode have the I/O always
NW> switched in, even if the processor port for C64 operation is set to
NW> an all-RAM configuration?

MM> Yes, that's it. Just program the 6510 to "I/O area off" (RAM or
MM> character generator ROM at $d000, it doesn't matter, since writes
MM> get "through" the ROM), and pull -GAME low when you want to access
MM> the I/O area.

So how do you map in the character ROM?

-- 
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