说明：  PIC单片机读写1302的程序，程序用汇编编写，不如c易懂，但程序结构清楚，各自程序分明，注释也很好，应该移植起来也还比较方便
(1302 PIC literacy procedures, procedures used to prepare a compilation than c understandable, But clearly the program structure, each distinct procedures for the Notes is also very good, it should be up transplantation is also more convenient)