Introduction - If you have any usage issues, please Google them yourself
Function: On the pc, the use of pure software 51 microcontroller serial input and output simulation,
Software used: keil, proteus, virtual serial port and serial debugging assistant.
Virtual serial ports installed on 1.pc com3 and com4 then connect
2.pc run on serial debugging assistant, set: com4 9600 N 8 1
3.pc proteus software installed
4. Run the routine simulate_proteus6.7 file, you can achieve serial debugging