Introduction - If you have any usage issues, please Google them yourself
Entry parameters: 70H-7FH stored data to be displayed, the export parameters: None Sub-program unit RAM area 70H-7FH hexadecimal data (0-16) by common cathode connection decoded and sent to the TM1640 through the LED digital display tube in ASCII form displayed, TM Display address 00H-0FH, code conversion table stored in the ROM area 400H unit started 16 units