From: p1299721@nospicedham.protonmail.com   
      
   Bernhard Schornak  writes:   
      
   > Is this a single threaded OS? Otherwise, you should create a   
   > stack frame to separate your code from the previous and next   
   > executed function (you call some here). All 64 bit OSes have   
   > a "red zone" for temporary data   
      
   I don't know what all that means. But I am using Linux. And NASM. I did   
   get this working eventually, so I think it must be OK.   
      
      
   >>         MSPRINT "Byte read is "   
   >   
   >   
   > Does your assembler accept plain text as instruction? AFAIK,   
   > "MSPRINT" is no valid opcode.   
      
   MSPRINT is a macro which I use for debugging. It just prints out the   
   string.   
      
   > Don't know what PWORD() does, but you stack wasn't aligned to a   
   > paragraph boundry until the execution of the final RET...   
      
   Oh well, all that must be the icing on the cake. I have just to get   
   things working at the moment. My code is nothing like efficient, but   
   that is not the point of it.   
      
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