Demo Video of Visual Basic interface to receive and transmit data from my Z80 NANO COMPUTER

This program (written in Visual Basic) let my Z80 NANO COMPUTER communicate with an IBM PC Computer. You can choose either a serial or a parallel transmission for both the directions.

This 60 sec. video demo will show both Serial and Parallel transmission (TX and RX respectively)

In the demo the software will import the Assembly code from a third-party PC Z80 Simulator and then transmit it from the PC to the Z80 NANO COMPUTER ram. This trasmission in this demo is serial (RS-232). A 16 bit checksum is calculated on both the machines, transmitted to the Z80 machine and there checked. Serial transmission allows also a parity checking control. Then the program will re-import data from the Z80 to the PC, via parallel transmission this time. I have choosed a slow 10 ms handshaking to let you see the data while imported. A 16 bit checksum is calculated on both the machines, transmitted from the Z80 to the PC and here checked.

Hexadecimal data are manually copied from the program and pasted in a notepad to show you that data have been sent and received in a correct way.

 

4,908 views
1 fave
3 comments
Uploaded on December 8, 2009
Taken on December 8, 2009