Introduction - If you have any usage issues, please Google them yourself
I completed classes in the compilation of a number of operations (on the machine common exercises) and the compilation of textbooks on a few examples of commonly used input and output modules, such as: the compressed storage of BCD code, converted to decimal ASCII code corresponding to the procedure prepared from the keyboard type 0-9 in any natural number x, for the cubic value memory to buffer BUFFER headed Address has 10 non-compression type BCD code stored in the form of a decimal number, their value may be 0 ~ 9 any one of these decimal number sequence displayed on the screen, etc.