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Give the initial value of the control register

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Reference no: EM13996360

Assume 8255’s PA=out, PB=in, PCL(PC0-PC3)=in, and PCU(PC4-PC7)=out, the port address of A,B,C and the Control Register are 300H-303H respectively. Now if we want to get data from the port B and send it to port A, and get data from PCL then send it out to the PCU.
1. Give the initial value of the control register.
2. Give a program to implement the required operation.

Reference no: EM13996360

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