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Chapter

# 2nd Floor Open Elevator

Department
Electrical Engineering
Course Code
EE 2731
Professor
All

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//2nd floor open
B: if({second_Floor}==1'b1)
begin
if (d_switch==1'b0)
begin
light1 = 0;
light2 = 1;
light3 = 0;
light4 = 0;
doorlight = 1;
count=count+1;
state = F;
end
else if (d_switch==1'b1)
begin
light1 = 0;
light2 = 1;
light3 = 0;
light4 = 0;
doorlight = 1;
end
end
//Door two closed

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F: if ({first_Floor}==1'b1)
begin
light1 = 1;
light2 = 0;
light3 = 0;
light4 = 0;
doorlight = 0;
state = E;
end
else if ({second_Floor}==1'b1)
begin
light1 = 0;
light2 = 1;
light3 = 0;
light4 = 0;
doorlight = 1;
state <= B;
end
else if ({third_Floor}==1'b1)
begin
light1 = 0;
light2 = 0;

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light3 = 1;
light4 = 0;
doorlight = 0;
state = G;
end
else if ({second_Floor}==1'd0)
begin
light1 = 0;
light2 = 1;
light3 = 0;
light4 = 0;
doorlight = 0;
state = F;
end
//3rd floor open
C: if({third_Floor}==1'b1)
begin
if (d_switch==1'b0)
begin
light1 = 0;
light2 = 0;
light3 = 1;
light4 = 0;