Write an assembly program which determine the subtraction of contents of port B from port A and store the result in port C by interfacing 8255 with 8088 microprocessors The procedure is to Construct the control word register Input the data from port A and port B Subtract the contents of port A and port B Display the result on a 7 segment display using port C Memory address of Port A of the 8255 PPI is 0740H You are also required to provide an assembly language code and labeled schematic diagram as per the aforementioned instructions

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Question: Write an assembly program which determine the subtraction of contents of port B from port A and store the result in port C by interfacing

Write an assembly program which determine the subtraction of contents of port B from port A and store the result in port C by interfacing 8255 with 8088 microprocessors. The procedure is to

Construct the control word register
Input the data from port A and port B
Subtract the contents of port A and port B
Display the result on a 7-segment display using port C
Memory address of Port A of the 8255 PPI is 0740H.

You are also required to provide an assembly language code and labeled schematic diagram as per the aforementioned instructions.

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