Function 03h Auxiliary InputGet (or wait until) character from device\driver\AUX-
entry AH 03h
return AL char from auxiliary device
note 1) AUX, COM1, COM2 is unbuffered and not interrupt driven
2) This function call does not return status or error codes. For greater
control it is recommended that you use ROM BIOS routine Int\14 or
write an AUX device driver and use device\IOCTLs.
3) At startup, PC-DOS initializes the first auxiliary port (COM1) to 2400
baud, no parity, one stop bit, and an 8-bit word. MSDOS may differ.
4) If Ctrl-C is has been entered from STDIN, Int\23 is executed.
file: /Techref/int/21f/03.htm, 0KB, , updated: 1999/4/26 11:31, local time: 2024/12/4 07:58,
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