Audio version available in www.youtube.com/Aksharam subscribe the channal Computer Architecture and Organization V semester Anna University By Babu M, Assistant Professor Department of ECE RMK College of Engineering and Technology Chennai

2. COMPUTER ARCHITECTURE

3. Von Neumann Vs Harvard Architecture

4. MIPS INSTRUCTION FORMAT
– Type
– Type
- Type

5. R – TYPE INSTRUCTION FORMAT
Eg:1. add $s1,$s2,$s3
Eg:2. sll $s1,$s2,10
000000

6. EXAMPLE
add $s1,$s2,$s3
6 5 5 5 5 6
op rs rt rd Shift amt fn
000000 10010 10011 10001 00000 100000
6 5 5 5 5 6
op rs rt rd Shift amt fn
000000 00000 10010 10001 01010 000000
sll $s1,$s2,10

7. I – TYPE INSTRUCTION FORMAT
Eg:1. lw $s1,4($s2)
Eg:2. beq $s1,$s2,10
Eg:3. ori $t0,$t1,8

8. EXAMPLE
lw $s1,4($s2)
6 5 5 16
op rs rt address
100011 10010 10001 0000000000000100
beq $s0,$s3,10
6 5 5 16
op rs rt address
000100 10011 10000 0000000000001010

9. EXAMPLE
ori $t0,$t1,8
6 5 5 16
op rs rt address
001011 01001 01000 0000000000001000

10. J – TYPE INSTRUCTION FORMAT
Eg J 500
6 26
op address
6 26
op address
000010 500

11. EXAMPLE f = (g + h) – (i + j)
lw $t0,20($s4)
lw $t1,24($s4)
lw $t2,28($s4)
lw $t3,32($s4)
add $s1,$t0,$t1
add $s2,$t2,$t3
sub $s0,$s1,$s2
sw $s0, 16($s4)
35 20 8 20
35 20 9 24
35 20 10 28
35 20 11 32
0 8 9 17 0 32
0 10 11 18 0 32
0 17 18 16 0 34
43 20 16 16

12. COMPUTER ARCHITECTURE

13. 0000 0000 0001 0000 0101 0001 0000 0000
0000 0000 0001 0000 0101 0001 0000 000000000000000100000101000100000000
000000 00000100000101000100000000
R - Type
000000 00000100000101000100 000000
sll
000000 00000 10000 01010 00100 000000
sll $t2,
op rs rt rd Shift amt fn
$s0, 4