(adsbygoogle = window.adsbygoogle || []).push({}); heeeeeelp please easy for u????

Digital Logic Design Lab

(do this project with circuit maker design (7485 comparator))

Design 8 bit adder/subtractor (a+b, or a-b) with following:

specifications:

1. Inputs: tow operands [A,B](8-bit each),

operation(0-addition,1-subtraction),

load(1-load new data,0-perform operation).

2. Outputs: 9 - bit (8-bit will be stored in A again).

3. Modes of operations:

a. Check if B is 0, then the output will be A.

b. Check if A is 0, then the output will be B OR B' depend

on the operation.

c. Otherwise , perform the addition or subtraction.

4. Display result on two seven segment displays + 1 LED.

please if u know the answer help me and i will be thankfull

i do it dut there is a problem and this is my attachment please do it for me??

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# Heeeeeelp please easy for u?

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