2. Consider the interfacing of an PPI 8255 with 8086 microprocessor as shown in Figure 1a. 7-segment display is connected to PORT B of the PPI 8255 . Dip-switch is connected to the lower 4 bits of PORT A of the PPI (8255) through Pull-Up NPN transistors. The format of the control word of the PPI 8255 is shown in Figure 2 a) Show that the address of PORT A is OOF8H b) What are the addresses of PORT B, PORT C, and the control register PCW. c) Which control word is required to interface the seven segment displays and Dip-switch. d) Values to be sent to the display are given in the Table 1 to display the Dip-switch values from 0(0000) through 15(1111) on the 7-segment Display. Pase 2 Scanned with CamScanner Write an 8086 ALP program to read the status value from the Dip-switch continuously and display the corresponding code on the 7-segment Display. Allocate a LookUpTable in the Data Segment containing data to be send to the 7-segment Display, Use the flowchart in Figure Ib and Question IV.I to write the code. Figure 1: Interfacing figure with Flowchart. Table 1: Seven Segments Display truth table Figure 2