Note: This IBM PC BIOS API call is for DOS/Win16 personality only. Use Family API for portability.

Note: osFree Macro Library provides macros for most of functions

BIOS API

All registers saved on entry and restores on return

BIOS Interrupts

Interrupt vector	Description	Version
10H	Video I/O	1+
11H	Equipment	1+
12H	Memory size	1+
13H	Diskette I/O	1+
14H	RS232 I/O	1+
15H	Cassette I/O	1+
16H	Keyboard I/O	1+
17H	Printer I/O	1+
18H	ROM BASIC	1+
19H	Bootstrap	1+
1AH	Time of date	1+