This code was created in 2001-2004 when I taught Borland Delphi 3 to myself. It contains many, many global variables, unstructured and undocumented procedural code and bad variable names.

To represent text in a computer system, we give each character its own special number. This number is called its code. We can then store this code in the computer using binary ones and zeros.

A file that contains data made up of ASCII characters. It is essentially raw text just like the words you are reading now. Each byte in the file contains one character that conforms to the ...

The sequential order of ASCII data. In ASCII code, lower case characters follow upper case. True ASCII order would put the words DATA, data and SYSTEM into the following sequence. See ASCII chart.