Posted By
siz
on 2023-04-08
05:45:30
|  Re: New Project: Hannes-compatible 256k RAM Expansion
> And this is what I did in my implementation. What is happening is that my expansion is having TED always access bank 7 since P6 is low, but graphics data have probably been put in bank 3 by the CPU, since P2 is low.
That's how I interpret it too.
About Dream World: as I remember it checks for the presence of the $fd16 register (it writes a value to $fd10 then compares it to $fd16). If that's successful (the values are different - it repeats the test with a different value if they are not) it just assumes that you have 256k.
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