piclist 2003\01\02\173357a >
Thread: DJNZ cycles (sx28/sx52)
www.piclist.com/techref/ubicom/devices.htm?key=sx52
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face BY : sebcath email (remove spam text)



Hello,

I would like to know in the SX28 and 52 how much cycle uses
the djnz instruction.
I looked on the SX Instruction set table :
      http://www.sxlist.com/techref/ubicom/inst.htm

and it marked this :

  Instruction        cycles
  DJNZ fr,addr       2 *

but I does not understand what "2*" means.
I think that in reality DJNZ uses 5 cycles on a jump and if not 4.

could somebody give me the values exact ?
I cannot make real test, all that I does is theoretical.
and I would need some to write small a procedure of temporization.

thinks,

Best regards,
Sebastien

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