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   comp.sys.raspberry-pi      Raspberry Pi computers & related hardwar      26,127 messages   

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   Message 24,826 of 26,127   
   The Natural Philosopher to Single Stage to Orbit   
   Re: RP2350 and Pico 2 - things missing   
   22 Aug 24 11:24:40   
   
   From: tnp@invalid.invalid   
      
   On 22/08/2024 11:00, Single Stage to Orbit wrote:   
   > On Thu, 2024-08-22 at 09:17 +0100, The Natural Philosopher wrote:   
   >> IIRC 8086 was the same for conditional jumps.   
   >>   
   >> In fact the whole small model thing was coding for a 64k page.   
   >>   
   >> There were a few instructions that worked across pages...but my   
   >> memory is dim.   
   >   
   > FAR and NEAR specifiers used with JMP were often used for intra segment   
   > calls. Data could also be accessed with the same specifiers too, hence   
   > there were five different memmory models, tiny, small, medium, large   
   > and huge with different code and data accesses.   
      
   Yes, that all sounds vaguely familiar. All that forgotten knowledge that   
   I will take to the   
   grave with me, where, arguably, it belongs...   
      
   It was a horrible processor to do assembler on, but I made a living out   
   of it for several years.   
      
   Thank Clapton for 'C' and Unix/Linux/Gnu and the 386 series at which   
   point one no longer had to...   
   --   
   No Apple devices were knowingly used in the preparation of this post.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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