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## mars.mips.instructions
Class InstructionSet

    java.lang.Object
      mars.mips.instructions.InstructionSet

    public class InstructionSet

extends Object

The list of Instruction objects, each of which represents a MIPS instruction. The instruction may either be basic (translates into binary machine code) or extended (translates into sequence of one or more basic instructions).

Author:
  Pete Sanderson and Ken Vollmar

Constructor Summary
`InstructionSet()` Creates a new InstructionSet object.

Method Summary
`BasicInstruction` | `findByBinaryCode(int binaryInstr)`
`ArrayList` | `getInstructionList()` Retrieve the current instruction set.
`ArrayList` | `matchOperator(String name)` Given an operator mnemonic, will return the corresponding Instruction object(s) from the instruction set.
`void` | `populate()` Adds all instructions to the set.
`ArrayList` | `prefixMatchOperator(String name)` Given a string, will return the Instruction object(s) from the instruction set whose operator mnemonic prefix matches it.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### InstructionSet

    public InstructionSet()

  Creates a new InstructionSet object.

Method Detail

### getInstructionList

    public ArrayList getInstructionList()

  Retrieve the current instruction set.

### populate

    public void populate()

  Adds all instructions to the set. A given extended instruction may have more than one Instruction object, depending on how many formats it can have.

  See Also:
    `Instruction`, `BasicInstruction`, `ExtendedInstruction`

### findByBinaryCode

    public BasicInstruction findByBinaryCode(int binaryInstr)

### matchOperator

    public ArrayList matchOperator(String name)

  Given an operator mnemonic, will return the corresponding Instruction object(s) from the instruction set. Uses straight linear search technique.

  Parameters:
    `name` - operator mnemonic (e.g. addi, sw,...)
  Returns:
    list of corresponding Instruction object(s), or null if not found.

### prefixMatchOperator

    public ArrayList prefixMatchOperator(String name)

  Given a string, will return the Instruction object(s) from the instruction set whose operator mnemonic prefix matches it. Case-insensitive. For example "s" will match "sw", "sh", "sb", etc. Uses straight linear search technique.

  Parameters:
    `name` - a string
  Returns:
    list of matching Instruction object(s), or null if none match.

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