private string Dump_Word(ushort absolute) => Disassembler.Dump_WordValue(this.GetWord(absolute));
 private string Disassemble_Relative(string instruction, ushort absolute) => this.AM_Immediate_dump() + "\t" + instruction + " $" + Disassembler.Dump_WordValue(absolute);
 private string Dump_Byte(ushort absolute) => Disassembler.Dump_ByteValue(this.GetByte(absolute));