Topic summary
ROM BASIC
Extracted from the Wikipedia article IBM BASIC.
IBM Advanced BASIC
IBM Advanced BASIC (BASICA.COM) was also included in the original IBM PC DOS, and requires the ROM-resident code of Cassette BASIC. It added functions such as diskette file access, storing programs on disk, monophonic sound using the PC's built-in speaker, graphics functions to set and clear pixels, similar functions to draw lines and circles and to set colors, and event handling for communications and joystick presses. BASICA does not run on non-IBM computers (even so-called "100% compatible" machines) or later IBM models, because they lack the needed ROM BASIC.