Keywords: ADL code;Architecture Description Language;C++ code;UPFAST system;assembler;automatic generation;automatically generated simulators;automatically generated software;complicated out-of-order issue processors;cycle level simulator;disassembler;domain specific language;input specification;microarchitecture simulators;modified architecture;porting;simple pipelined processors;automatic programming;computer architecture;formal specification;high level languages;object-oriented programming;program assemblers;virtual machines;