" Fig.I: 4-hit arithmetic circuit" Here, Cin : is an input carry in the least position. select peration S.Cin function table for arithmetic circuit ge output of adder: DA-Y+ Cin name of operation name in assembly MUX: D-A-B D-A-B+1 D-A-R addition ad with carry ADD ADC sub with bornow SRR
" Fig.I: 4-hit arithmetic circuit" Here, Cin : is an input carry in the least position. select peration S.Cin function table for arithmetic circuit ge output of adder: DA-Y+ Cin name of operation name in assembly MUX: D-A-B D-A-B+1 D-A-R addition ad with carry ADD ADC sub with bornow SRR
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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Question
Computer organization Architectures
(Arithmetic Circuit)
Solve the assignment at the end of the page similar to the steps above
Transcribed Image Text:" Fig.1: 4-bit arithmetic circuit"
Here, Cin : is an input carry in the least position.
function table for arithmetic circuit
select
atput loustnut uf
af
NUX. Jadder:
Iname of
aperation
Si S. Cin Y
DA-Y+ Cln operation
D-A-B
name in
asembly
MUX:
ADD
001 BD=A-B+l a ADC
SHA
addition
ald with carry
sub with bormw
D-A R
SRR
D= A-B+1
IO O 0 D-A
D-A-1
D-A-I
-I DA
011 E D=A
subtraction
SUB
Iransfer A
inc A
dec A
transfer A
MOV
INC
DEC
I a
MOV
МOV
A-B=A+D+I ( sub )
A-B-1-AE+1-1-A (sub with borrow)
D= A - 0(Y) +0 (C) = D= A
DA O(Y) I (G)= D A1
D=A - 1111( Y ) +0 (Ca) = D= A-1
D=A- IIII(Y) I (Ca)
= A-1+1=A
Note: ADD AX, BX ;AX- AX + BX
ADC AX, BX ;AX + AX + BX + CF
SUB AX, BX
; AX- AX - BX
SBB AX, BX
;AX+ AX- BX-CF
Ex.: Given the following arithmetic operations:
Cin 0
D-A-I
D-A
Sa
Cin=1
D-A
D-A+1
D-A+B
D-A+B-1
D-A+B
D-A+B
Construct a function table, then draw a 2-bit arithmetic circuit
(for twa stages).
Sol. :
S1 S
so Cin
DA C
A-I
1
A
A
1
A+1
B.
B
A+B
A-B+
A.B
AB+1
Cin
A
FA
FA
D,
MEX
Cout
H.W: for the following arithmetic operations:
Cin = 0
D=A+B
D= A -1
Cin =1
D= A +1
D= A +B' +1
Construct a function table, then draw an arithmetic circuit for
two stages.
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