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

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   Message 4,320 of 4,675   
   DJ Delorie to Paul Edwards   
   Re: 8086 32-bit multiply   
   23 Apr 21 19:24:37   
   
   From: dj@nospicedham.delorie.com   
      
   Paul Edwards  writes:   
   > ; multiply cx:bx by dx:ax, result in dx:ax   
      
   Such would have three multiplies and a few adds:   
      
   LSW = bx * ax (lower 16, save upper 16 in XX)   
      
   MSW = bx * dx + cx * ax + XX (from lsw)   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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