According to that there are two unused bits in the mode configuration register. Maybe those could be used to extend to 1mb? Or add another register? Either way it would make sense to latch it when the configuration or preconfiguration registers are written, rather than have it switch immediately. On 07/05/2018 07:33, Jim Brain wrote: > I assume you are referring to this doc? > > ftp://www.zimmers.net/pub/cbm/documents/projects/memory/c128/1028/1028.html > > http://www.ktverkko.fi/~msmakela/8bit/memory/memory-c128.pdf >Received on 2018-05-07 14:00:02
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