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Int 14 Fn 00 - Fossil (fido/opus/seadog Standard Interface Level) - Init [S]
AH = 00h
AL = initializing parameters
7 - 6 - 5 4 - 3 2 1 - 0
-BAUD RATE- PARITY STOP WORD
BITS LENGTH
000 19200 bd 00 none 0: 1 00: 5
001 38400 bd 01 odd 1: 2 01: 6
010 300 bd 11 even 10: 7
011 600 bd 11: 8
100 1200 bd
101 2400 bd
110 4800 bd
111 9600 bd (4800 on PCjr)
DX = port number (0-3 or FFh if only performing non-I/O setup)
Return: AH = RS-232 status code bits
bit 0: RDA - input data is available in buffer
bit 1: OVRN - data has been lost
bit 5: THRE - room is available in output buffer
bit 6: TSRE - output buffer empty
AL = modem status bits
bit 3: always 1
bit 7: DCD - carrier detect
See Also: AH=05h"FOSSIL",AH=81h"COMM-DRV",AH=82h"COURIERS"
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