Write the required code that converts packed BCD number Pack BCD (29H) to ASCII number. Store the result in registers R4:R3 Given five inputs (a, b, c, d, e) connected to 8051's port P and P, with : P10 = a, P30 = b, P13 = c, P33 = det P14 = e. Outputs So and Sj are connected to P39 and P; 1 respectively as shown in the figure below. We propose to realize the following logic functions. So = abt cd+ e.(ab+ab) Si = G5+d+gak 1. Using 8051 boolean instructions, write subroutines for So and S1. 2. Based on the given flowchart, write the main program for the polling of port P.
Write the required code that converts packed BCD number Pack BCD (29H) to ASCII number. Store the result in registers R4:R3 Given five inputs (a, b, c, d, e) connected to 8051's port P and P, with : P10 = a, P30 = b, P13 = c, P33 = det P14 = e. Outputs So and Sj are connected to P39 and P; 1 respectively as shown in the figure below. We propose to realize the following logic functions. So = abt cd+ e.(ab+ab) Si = G5+d+gak 1. Using 8051 boolean instructions, write subroutines for So and S1. 2. Based on the given flowchart, write the main program for the polling of port P.
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
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:4. Write the required code that converts packed BCD number Pack BCD (29H) to ASCII number. Store the result
in registers R4:R3
5. Given five inputs (a, b, c, d, e) connected to 8051's port P, and P, with: P10 = a, P20 = b, P13 = c, P27 = d et
P16 = e. Outputs So and Si are connected to P3,0 and P31 respectively as shown in the figure below. We propose
to realize the following logic functions.
a.b+ Cd+ e.(a-&+a.b)
Si = GE+d+gak
S =
ww
1. Using 8051 boolean instructions, write subroutines for So and S1-
2. Based on the given flowchart, write the main program for the polling of port P.

Transcribed Image Text:Start
8051
P3,7
read PORTS
DO
Pl and P2
D7
P3.0
P1 XOR P2
P1.7
WR
RD
P1.0
Result=0?
no
yes
P2.7
P2.0
P30 = So
P31 = S,
Switches| IN PORT
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