Int 14/AH=18h

Digiboard DigiCHANNEL PC/X* - SEND BIOS COMMAND

AH = 18h
ES:BX -> 16-byte command string
DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)

Return:
AH = status
00h successful
80h timeout
AL = mailbox status
00h no errors
8Xh BIOS error
ES:BX buffer filled in with mailbox string
ZF clear if no errors
ZF set if either status byte contains an error code

See Also: AH=16h"Digiboard"

Category: Serial I/O - Int 14h - D

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