This is Simulator and Assembler.Assembler input the .txt file. Code_x.txt is the assembly file that you want to process you can try and create a new one, seperate the element by typing tab(\t).(you can see the example in the given file).Simulator input the output of the assembler file as (machine_code_x.txt) and the output will shown the reg and array and the step of each line.By Goravit Buakampun