edu.cornell.cs.sam.core.instructions
Class SAM_SWAP

java.lang.Object
  extended by edu.cornell.cs.sam.core.instructions.SamInstruction
      extended by edu.cornell.cs.sam.core.instructions.SAM_SWAP
All Implemented Interfaces:
Instruction, java.io.Serializable

public class SAM_SWAP
extends SamInstruction

Swaps the top two values of the stack

See Also:
Serialized Form

Field Summary
 
Fields inherited from class edu.cornell.cs.sam.core.instructions.SamInstruction
cpu, FBR, HALT, mem, name, PC, prog, SP, sys, video
 
Constructor Summary
SAM_SWAP()
           
 
Method Summary
 void exec()
          Executes the instruction
 
Methods inherited from class edu.cornell.cs.sam.core.instructions.SamInstruction
getName, getProgram, getSystem, setProgram, setSystem, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

SAM_SWAP

public SAM_SWAP()
Method Detail

exec

public void exec()
          throws SystemException
Description copied from interface: Instruction
Executes the instruction

Specified by:
exec in interface Instruction
Specified by:
exec in class SamInstruction
Throws:
SystemException - if there is a runtime error