UPC and EAN barcode printer
Here is a very simple program written in GW-BASIC and also designed to run in QBASIC to display the barcode image. If you are running this program in QBASIC you will get better resolution. But you have to change SCREEN 2 to SCREEN 11 in LINE NO 290.
While you are running the program , the program asks you to enter the Number. You have to keyin 12 digits only. The Check Sum will be automatically generated and displayed by the program.