Re: 65C802 in ][+

["David Wilson" <mcs6502@gmail.com>]

Alex Freed wrote:
> I have a ][ plus that I bought in 1990 or so. Obviously used :)
> Last night I have noticed that the CPU is not the regular 6502, not even
> a 65C02 but a W65C802 - a 16 bit chip in 6502 pin compatible case.

That is a fairly rare chip. I have one as well (in a IIe clone). I
bought the chip from someone in the USA.

> So the question I have is this: is there any software to take advantage
> of it? I doubt it, 'cause I have never heared of such a mod before.

I used it to allow me to run Merlin 16 on ProDOS 8 before I bought a
IIgs. This is the only software I ever found that could take advantage
of that 16 bit processor in an 8 bit system.

> And while we are at it what software benefits from the extra
> instructions in the 65C02? Apart from the 2c firmware and such.

ProDOS 8 v2.0.x requires the 65C02 or 65802 or 65816.