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   alt.os.development      Operating system development chatter      4,255 messages   

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   Message 4,170 of 4,255   
   Paul Edwards to John Ames   
   Re: z/PDOS-generic   
   22 Aug 24 13:24:02   
   
   From: mutazilah@gmail.com   
      
   "John Ames"  wrote in message   
   news:20240821095101.00005887@gmail.com...   
      
   > So, to summarize: all you need in order to accomplish this is   
      
   This is a very complicated new system. That is not my goal.   
   My goal is a simple starter system. z/PDOS-generic is an   
   example of a simple starter system.   
      
   > 1. a DOS-   
   > based hypervisor which almost certainly doesn't exist, 2. a 64-bit DPMI   
   > extender which probably doesn't,   
      
   Note that I have 32-bit MSDOS which is accomplished by   
   switching from PM32 to RM16 in order to make BIOS calls.   
   This works on an AMD64-like processor if someone has   
   made a BIOS availlable. I actually bought a Lenovo Kaitian   
   with a Zhaoxin processor in order to get this. The BIOS is   
   literally in Chinese and I needed help from a friend in order   
   to know how to switch between UEFI and legacy BIOS.   
      
   Also note that I have a thin wrapper on top of UEFI that switches   
   a UEFI system into a mini Windows 64-bit clone. That is also   
   MSDOS-like.   
      
   And at this level you need to define wihat "MSDOS" actually means.   
      
   BFN. Paul.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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