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Digiboard DigiCHANNEL PC/X* - GET POINTER TO CH_KEY_RDY FLAG

AH = 0Dh
DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)

Return:
ES:BX -> CH_KEY_RDY flag (see #00339)

See Also: AH=0Ah"Digiboard"

(Table 00339)
Values for Digiboard CH_KEY_RDY flag:
00h    receive buffer empty
FFh    characters available

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

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