[<<Previous Entry]
[^^Up^^]
[Next Entry>>]
[Menu]
[About The Guide]
Int 14 Fn 81 - Egberto Willies Comm-drv - Extended Initialization [S]
AH = 81h
BX:DI -> port control block
Return: ???
See Also: AH=00h
Format of port control block:
Offset Type Description
00h WORD port IO address
02h WORD port IRQ
04h WORD baud rate
06h WORD parity
08h WORD data bits
0Ah WORD stop bits
0Ch WORD break status
0000h off
0Eh WORD flow control protocol
10h BYTE input block
11h BYTE output block
12h WORD low threshold
14h WORD high threshold
16h WORD segment of buffer
18h WORD offset of buffer
1Ah WORD input buffer length
1Ch WORD output buffer length
1Eh BYTE auxiliary address
1Fh BYTE spare
20h 4 WORDs spares
This page created by ng2html v1.05, the Norton guide to HTML conversion utility.
Written by Dave Pearson