|Re: [hatari-devel] Re: RAM detection issue with VDI (was HDDriver issues with WinUAE CPU core)|
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On tiistai 13 tammikuu 2015, Nicolas Pomarède wrote:
> as written previously, I don't think this is related to TT RAM. ST RAM
> detection will fail with high vdi resolution even if you use 14 MB RAM
> and no TT RAM.
> In all cases, memtop and phystop ($42e and $436) are limited to ST RAM
> space, if you have TT RAM, it's only refered in $5A4. So the "gap"
> between memtop and phystop should be ST RAM related.
Yes, it has nothing to do with TT RAM, it's about memory detection in
Based on Uwe's latest comment, max gap can be up to largest real HW
video resolution, after that apps like NVDI start to bug i.e. it still
needs to be modified. Because correct gap is needed for memory
detection, but that causes problems with apps, VDI modes larger than
real resolutions will never have correct memory detection unless
TOS will be specifically patched to fix that. :-/