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Internet Message Format  |  1992-11-09  |  744 b 
  1. Path: sparky!uunet!ogicse!emory!sol.ctr.columbia.edu!eff!world!moshier
  2. From: moshier@world.std.com (Stephen L Moshier)
  3. Newsgroups: comp.dsp
  4. Subject: Re: Double-buffered SSI on M56001
  5. Message-ID: <BxH96t.Et9@world.std.com>
  6. Date: 10 Nov 92 01:52:04 GMT
  7. Article-I.D.: world.BxH96t.Et9
  8. References: <40697@sdcc12.ucsd.edu> <BxEqML.4pM@world.std.com> <40768@sdcc12.ucsd.edu>
  9. Organization: The World Public Access UNIX, Brookline, MA
  10. Lines: 15
  11.  
  12. The two instructions are, for example,
  13.  
  14.   movep x:<<TXRX,y:(r7)+ ;read receiver
  15.   nop
  16.  
  17. or, to go both ways,
  18.  
  19.   movep x:<<TXRX,y:(r7)+ ;read receiver
  20.   movep y:(r7)+,x:<<TXRX ;write transmitter
  21.  
  22. Don't try to do software engineering on a DSP chip.  What you describe
  23. as problems are actually features!
  24.  
  25.  
  26.  
  27.