Int 14/AH=2Ch

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HUNTER 16 - SET DTR

AH = 2Ch
AL nonzero
BL = new state
00h  normal operation
else force DTR high

Return:
AH = 00h

Desc: Determine whether the DTR signal on COM1 should be forced high

See Also: AX=2C00h

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

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