X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 14 - ibm/yale ebios serial i/o

Click above to get retro games delivered to your door ever month! X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 14 - ibm/yale ebios serial i/o - read status

INT 14 - IBM/Yale EBIOS SERIAL I/O - READ STATUS
        AX = FD02h
Return: CX = number of characters available

Online resources provided by: http://www.X-Hacker.org --- NG 2 HTML conversion by Dave Pearson