Developing a Custom Character Set
Normally a character set consists of 128 different characters in graphics mode 0, and 64 different characters in graphics modes 1 and 2. However, a character set need not be full and may contain only as many characters as needed to meet the requirements of your program. The first character in the set must always be a space DATA statement filled with zeros . Program 2 demonstrates how to set up and use a custom character set containing only custom characters. To keep things simple, the set...