Int 14/AH=16h

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Digiboard DigiCHANNEL PC/X* - CCB COMMAND

AH = 16h
AL = CCB command number (see #00342) (see also following entries)
BL = byte 2
BH = byte 3
CL = byte 1 (for all channel functions except 4Eh and 4Fh)
DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)

Return:
AH = status 00h successful 80h error FFh error

See Also: AX=1646h - AH=18h"Digiboard"

(Table 00342) Values for Digiboard CCB command number: 40h Set Receive Mid Water Mark 41h Set Receive High Water Mark 42h Flush Receive Buffer 43h Flush Transmit Buffer 44h Transmit Pause 45h Transmit Resume 46h Set Interrupt to Host Mask 47h Set Baud, Data, Stop and Parity 48h Send Break 49h Set Modem Lines 4Ah Set Break Count 4Bh Set Handshake 4Ch Set Xon/Xoff Characters 4Dh Set Transmit Mid Water Mark 4Eh IRQ Polling Timer to Host 4Fh Buffer Set All 50h Port On 51h Port Off 52h Receive Pause 53h Special Character Interrupt 54h RS-422 Enable

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

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