Introduction - If you have any usage issues, please Google them yourself
The use of the program ROM set 40 fixed values in the 41 ~ 80 BCD code data, the program runs, to read the data blocks on-chip RAM-20H ~ 47H interval, and then transform the data block of code for the BIN (binary system ) stored in the on-chip 48H ~ 6FH interval, then transformed into ASCII codes BIN data stored in the off-chip RAM 0100H ~ 013FH range.