Conditional jumps , Electrical Engineering

Conditional Jumps

The most  important  part of  programming is its  decision making capability. Which is  normally  provided  by statements  like if  then else in high level  programming. In  assembly  language  conditional jump  instructions  provides the decision making capabilities .

Conditional jumps  are based on the  status  of various  flags of 8085 microprocessor  8085microprocessor  has five  flags( sing, Zero , Auxiliary Cary , Parity and Carry). Out of which  auxiliary carry flag is used internally. Remaining  four flags are used  by the conditional jump  instructions.  Their are two  jump  instruction for each  flag.

Note : Conditional jump instruction do not  modify  any flag  but they  function according  to one of  the flag which  is set reset by some  previously executed  instruction.

Posted Date: 4/5/2013 1:10:10 AM | Location : United States







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