Re: Apple //e With 6502AP

[Eric Smith <eric-no-spam-for-me@brouhaha.com>]

"Bryan Parkoff" <BParkoff@satx.rr.com> writes:
>     I have noticed that it is an unenhanced Apple //e that has 6502AP with
> 2MHz instead of 65C02.  It does have 80 column and double high resolution.
> How is it possible because it is only 6502?  There is no way to use Main and
> Aux 64K memory location.  It appears to show "Apple ][" during cold reboot.
> Please explain.

In a //e with an 80-column card, the hardware accesses two separate banks
of DRAM in order to fetch 16 bits of data for each video access, to support
80-column and double hires graphics.  The CPU still only gets 8 bits per
cycle, though.  The actual cycle timing is the same as on the ][ and ][+.