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(emu8086) Modify the program below to implement a polling scheme. The scheme tests (1) whether a port has a new number entered and (2) if

(emu8086) Modify the program below to implement a polling scheme. The scheme tests (1) whether a port has a new number entered and (2) if there is a new number entered in a port, displays a corresponding notification message.

#start=simple.exe#

#make_bin#

name "simpleio"

; write byte value 0A7h into the port 110:

MOV AL, 0A7H

OUT 110, AL

; write word value 1234h into the port 112:

MOV AX, 1234H

OUT 112, AX

MOV AX, 0 ; reset register.

; read byte from port 110 into AL:

IN AL, 110

; read word from port 112 into AX:

IN AX, 112

HLT

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