From: muta...@gmail.com   
      
   On Saturday, July 17, 2021 at 5:51:30 AM UTC+10, muta...@gmail.com wrote:   
      
   > > > Since I can only get 512 MiB for 16-bit programs anyway,   
   > > > I may as well have the mandatory 6 selectors or whatever   
   > > > to address the first 3.5 GiB of memory for 32-bit programs   
   > > > and the rest of the selectors used for 16-bit programs in   
   > > > the other 512 MiB of memory.   
   >   
   > > I don't suppose there is a way to have, in addition to the   
   > > above, of having 64-bit programs run in the 4 GiB to   
   > > 32 GiB region?   
      
   > How about a new mode for x64, called CM64,   
   > active in PM32, where if the selector (cs/ds)   
   > has a base of 0xffffffff and a length of 1 (or   
   > something similar), then the x64 long mode   
   > instruction set is active?   
      
   Actually, I remember Alex told me there was a way to   
   access memory above 4 GiB on a 32-bit processor.   
      
   Does that method still work in PM32 on an x64? I'd   
   rather access that memory above 4 GiB via that   
   technique than not at all.   
      
   Thanks. Paul.   
      
   --- SoupGate-Win32 v1.05   
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