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   comp.lang.asm.x86      Ahh, the lost art of x86 assembly      4,675 messages   

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   Message 3,426 of 4,675   
   Kerr-Mudd,John to All   
   Re: DOS debug to com   
   02 Jun 18 08:38:38   
   
   From: notsaying@nospicedham.invalid.org   
      
   On Fri, 01 Jun 2018 18:48:10 GMT, "wolfgang kern"    
   wrote:   
      
   >   
   > Kerr-Mudd,John wrote:   
      
   []   
   >> I've improved xxd-r slightly, but still need to do more: as I have it   
   >> at the moment there's only 1 output write, so there's a limit of 51k   
   >> for the input file.   
   >   
   > why only 51K? DOS know about segments (64K limit).   
      
   Yes, it's split into   
   PSP+program 0x0200   
   OBuff       0x28C8   
   IBuff       0xD337   
               ------   
   tot seg     0xFFFF   
      
   assumes 79 chars per line of hex dump, 16 bytes output.   
   >   
   > seems you train very hard for any next hugi-compo to come :)   
      
   Yup!   
      
   > it sometimes helps a lot if you use 64,65,66,67 prefixes too   
   > even in a restricted 16 bit DOS environment.   
      
   I'm very oldskool!   
      
   --   
   Bah, and indeed, Humbug.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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