if (this.instruction != null)
return ((Widenable) this.instruction).getWideSize(dc);
ByteParser parser = dc.getParser();
parser.getByte(); // throw away 0xc4(wide)
this.opcode = parser.peekByte();
this.instruction = InstructionSet.getInstance().getInstruction(
this.opcode);
if (!(this.instruction instanceof Widenable))
throw new RuntimeException("Instruction "
+ this.instruction.getMnemonic() + " is not Widenable.");