H.W 2: Write a piece of assembly code that can program PPI 8255 as port A as I/P,Port B as O/P,port CL as I/P and Port CH as O/P (your program should read Data from Port A then send it to Port B ,read Data from Port C lower then send it to Port Cupper,)if you know that command register in addresses by 4FF7H and PPI A0 is connected to A0 ,PPI Al is connected to A1.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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H.W 2: Write a piece of assembly code that can program PPI 8255 as
port A as I/P,Port B as O/P,port CL as I/P and Port CH as O/P (your
program should read Data from Port A then send it to Port B ,read
Data from Port C lower then send it to Port Cupper,)if you know
that command register in addresses by 4FF7H and PPI A0 is connected
to A0 ,PPI A1 is connected to A1.
Transcribed Image Text:H.W 2: Write a piece of assembly code that can program PPI 8255 as port A as I/P,Port B as O/P,port CL as I/P and Port CH as O/P (your program should read Data from Port A then send it to Port B ,read Data from Port C lower then send it to Port Cupper,)if you know that command register in addresses by 4FF7H and PPI A0 is connected to A0 ,PPI A1 is connected to A1.
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