Watching my Mom who was a "typist"(google it if your too young to know what that is!) ,enter in page after page of code from a computer magazine into our family

Watching my Mom who was a "typist"(google it if your too young to know what that is!) ,enter in page after page of code from a computer magazine into our family PC. Then watch my Dad spend the next few days debugging her typos and then finally transfer the program to a tape recorder. I'm pretty sure the first game was a text based version of lunar lander.