add Characteristics
rename Characteristics to CharacteristicFlags
display Characteristics
add OptionalHeader
add InstructionFormats
add InstructionSet
implementing InstructionSet...
implementing InstructionSet...
implementing InstructionSet
implementing InstructionSet
implementing InstructionSet
implementing InstructionSet
implementing InstructionSet
implementing Iinstruction SEt...
implementing Instruction Set...
implementing Instruction Set
implementing InstructionSet
finish InstructionSet