Re: PC-card (4)

From: Nicolas Welte (
Date: 2001-04-12 14:25:03 wrote:
> Hallo,
> While writing the article it occured to me that the combination of IO1 or
> IO2 and $D7xx doesn't sound to bad. This certainly will be atractive to
> people with a C128 and SCPU.
> Another one is IO1 or IO2 and $8000..9FFF. The only disadvantage that I see
> for the moment is that a write to this area also overwrites the contents of
> the underlaying RAM. But I thought it is still worth mentioning.

I think, if you enable Ultimax mode, there is no RAM that can be written to.
This way you can use about every memory location above $1000 to map in your
own I/O. I just wonder if the SCPU is compatible with this mode.

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