INT 14 - FOSSIL(Fido/Opus/Seadog Standard Interface Layer)  A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use. - PURGE OUTPUT BUFFER THROWING AWAY ALL PENDING OUTPUT
	AH = 09h
	DX = port number
Return: nothing
SeeAlso: AH=08h"FOSSIL(Fido/Opus/Seadog Standard Interface Layer)  A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use.",AH=0Ah"FOSSIL(Fido/Opus/Seadog Standard Interface Layer)  A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use.",AH=88h
                                                                                

INT 14 - MultiDOS Plus IODRV - RESET PORTIBM PC Portable (uses same BIOS as XT) STATUS
	AH = 09h
Return: modem status byte cleared
Note:	the port number is stored at offset BEh in the Task Control Block
SeeAlso: AH=04h"MultiDOS",AH=07h"MultiDOS",INT 15/AH=13h"MultiDOS"
                                                                                

INT 14 - Digiboard DigiCHANNEL PCIBM PC/X* - CLEAR BUFFERS
	AH = 09h
	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
Return: AH = status
	    00h successful
	    FFh error
SeeAlso: AH=08h"Digiboard",AH=0Ah"Digiboard",AH=10h"Digiboard"
                                                                                

INT 14 - MBBIOS - GET/SET OPTIONS                                               
	AH = 09h
	AL = option byte (see #00337)
	DX = port number???
Return: AL = old option byte
SeeAlso: AH=00h"MBBIOS",AH=04h"MBBIOS",AH=10h"FOSSIL(Fido/Opus/Seadog Standard Interface Layer)  A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use."


Bitfields for MBBIOS option byte:
Bit(s)	Description	(Table 00337)
 0	transmit buffering enabled
 2	hardware handshaking enabled
 5	high-speed option enabled (see AH=00h"MBBIOS",#00302)
 other	reserved
                                                                                

INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - RESET I/O BUFFER POINTERS         
	AH = 09h
	DX = port number
Return: nothing
SeeAlso: AH=13h"PC-MOS"