Re: More fun with Freed Z80

["a2retro" <a2retro@a2central.com.remove-xpq-this>]

 To: alex.freed.007
alex.freed.007 wrote:

> The 128K version is particularly easy to use with a battery back-up as
> it has an active high second chip select. Most likely just adding a 
> diode and a coin cell will make it NV.

I have seen this implemented on a few other projects. zxmmc+ for example.

I plan to use this approach for my //cmxp project.

Cypress also has an interesting part CY14B104L-ZS45XC - combo SRAM/Flash 
with autosave.

Glenn