INT 14 - SERIAL I/O - EXTENDED INITIALIZE (CONVERTIBLE,PS)
|
Input |
Output |
|
AX
|
04h |
Break Status |
RS232 Status |
Modem Status |
AX |
|
BX
|
Parity |
Stop Bits |
|
|
BX |
|
CX
|
Word Length |
Baud Rate |
|
|
CX |
|
DX
|
Port
Number (0-3) |
|
|
DX |
| ES:DI |
|
|
ES:DI |
Break Status: 0 = Break
1 = No break
Parity: 0 = No parity
1 = Odd parity
2 = Even parity
3 = Stick parity odd
4 = Stick parity even
Stop Bits: 0 = One stop bit
1 = Two stop bits (1.5 if 5 bit word length)
Word Length: 0 = 5 bits
1 = 6 bits
2 = 7 bits
3 = 8 bits
Baud Rate: 0 = 110
1 = 150
2 = 300
3 = 600
4 = 1200
5 = 2400
6 = 4800
7 = 9600
8 = 19200 |