blob: bc5abac67fd962d73aa4dba2ad88f8371659632a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
clc
clear
disp("Example 8.31a")
printf("\n")
disp("perform the following binary substraction using 1s complement")
disp("a)1010-0111 b)0110-1101")
a=[1 0 1 0]
b=~[0 1 1 1]
d=0
for i=1:length(a)
c(i)=a(length(a)+1-i)+b(length(a)+1-i)+d
if(c(i)==1)
d=0
end
if[c(i)==2]
d=1
c(i)=0
end
end
f=1
if(d==1)
for i=1:length(a)
g(i)=c(i)+f
if(g(i)==1)
f=0
end
if(g(i)==2)
f=1
g(i)=0
end
end
for i=1:length(a)
c(i)=g(i)
end
end
if(d==0)
for i=1:length(a)
c(i)=~c(i)
end
end
printf("result =%d%d%d%d",c(4),c(3),c(2),c(1))
|
