<filename>src/main/java/org/smeny/retrobox/motherboard/nes/processor/AbstractDecoder.java
/**
 * AbstractDecoder
 *
 * Copyright 2013 <NAME>
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package org.smeny.retrobox.motherboard.nes.processor;

public abstract class AbstractDecoder {
  private OperationCode[] opcodeTable;

  protected abstract void initialise();

  protected final OperationCode[] getOpcodeTable() {
    return opcodeTable;
  }

  protected final void setOpcodeTable(final OperationCode[] opcodeTable) {
    this.opcodeTable = opcodeTable;
  }

  public final OperationCode getOpcode(final int index) {
    OperationCode opcode = null;
    if (index >= 0 && (index - 1) < opcodeTable.length) {
      opcode = opcodeTable[index];
    }
    return opcode;
  }

}
