Question

1) Perform the following operation using MIPS assembly:

a) Perform C= A+B-D where A=0x4 & B=0x4 & D = 0x10 (choose the registers

b)

           if (I == J)

I ++;

else

J--;

c)

if (a > 0)

b = a + 10;

else

b = a - 10;

Answer 1

A,

copy to code:

.text
#set 4 to t0
addi $t0, $zero , 0x4
#set 4 to t1
addi $t1, $zero , 0x4
#set 10 to t2 10 equivalent to 16 in decimal
addi $t2, $zero , 0x10
#add t0 and t1
add $t3, $t0,$t1
#sub t3 by t2
sub $t3,$t3,$t2
#print message
li $v0,1
move $a0,$t3
syscall

code snippet:

output:

Edit Execute addThreeNumber.asm . text #set 4 to t0 addi $t0, Šzero , 0x4 #set 4 to ti addi $tl, $zero, 0x4 #set 10 to t2 10 equivalent to 16 in decimal addi $t2, $zero , 0x10 #add t0 and t1 add $t3, $t0,$t1 #sub t3 by t2 sub $t3, $t3, $t2 #print message move $a0,$t3 sys call

Data Segment Address Value (+0) Value (+4) 0x10010000 0x10010020 0x10010040 0x10010060 0x10010080 0x100100a0 0x100100c0 0x100100e0 0x10010100 0x10010120 0x10010140 0x10010160 0x10010180 0x100101a0 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x Mars Me es program is finished running (dropped off bottom) - Clear

b

copy to code;

.data
newline: .asciiz "\n"
ais : .asciiz "a = "
bis : .asciiz "b = "
.text
addi $t1,$zero,9 #t1 store value of a set to -3
addi $t2,$zero,9 #t1 store value of a set to -3
seq $t3,$t1,$t2 #set is equal to t3
beqz $t3,Else #check if equal zero go to zero
addi $t1,$t1,1 #if part
j endIf #jump to end if
Else :
subi $t2,$t2,1 #else part
endIf:

#print message
li $v0,4
la $a0,ais #it will print a =
syscall

li $v0,1
move $a0,$t1 #print a value
syscall

li $v0,4
la $a0,newline #it will print b =
syscall

li $v0,4
la $a0,bis #it will print new line
syscall

li $v0,1
move $a0,$t2 #it will print b value
syscall

code snippet;

Edit Execute I addThreeNumber.asm ifleself.asm is equal.asm* data newline: .asciiz "" ais : .asciiz "a= " bis : .ascii z "b = " text addi $t1,$zero,9 #t1 store value of a set to -3 addi $t2, $ zero, g #t1 store value of a set to -3 seq $t3, sti, st2 #set is equal to t3 begz addi $t1, sti, i #if part j endif #Jump to endif st3,Else #check if equal zero go to zero subi $t2,$e2,1 #else part endIf: #print message li $v0, 4 |La $ao, ais #it will p rint a = syscall li $v0, 1 move $a0,$t1 syscall li $v0, 4 la $a0, newline syscall #print a value #1t will print b- li $v0, 4 la $a0,bis syscall #it will print new line li $v0, 1 move $a0, $t2 syscall #1t will print b value

output:

0x00400008 0x012a5823 subu $11,$9,$10 | 0x0040000c| 0x34010001|ori $1, $0,0x0 00 00001 0x00400010 0x0161582b sltu $11,$11,$1 | 8: seg $t3, $t1,$t2 #set is ecual to t3 ם 0x00400014| | 0x00400018| 0x21290001addi $9,$9, 0x00000001 0x0040001c 0x0810000aj 0x00400028 | 0x00400020| 0x20010001|addi $1,$0, 0x00000001 0x00400024 0x01415022 sub $10, $10,$1 0x1 1600002 $11, $0, 0x00000002 | |10: 11: j endif #jump to end if |13: 9: begz addi eq $t3, Else #check if equal zero go to zero $t1,$t1,1 #if part subi $t2,$t2,1 #else part x00400028 0x24020004 addiu $2,50,0x00000004 16: li vO, 4 0x0040002c 0x3c011001lui $l, 0x00001001 0x004000300x34240002 ori $4,$1,0x00000002 | 0x00400034| 0x0000000c|sys call x00400038 0x24020001 addiu $2,50,0x00000001 19: li vO,1 0x0040003c 0x00092021 addu $4, $0,$9 17: 1a $ao, ais #it will print a 20: move $a0,$t1 #print a value 0x00203d20 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x10010120 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x10010000 (.data) Hexadecimal Addres Mars MessagesRun IIO program is finished running (dropped off bottom) - 1 (+ x x x x x x x x x x x xxx ff3 vva 11t 2 678 9013 890 8 0901 6 911 0020200002000002 eo | d9 a! C- 02-468 a c e024|68 a 9 d000

c

copy to code:

.text
addi $t1,$zero,-3 #t1 store value of a set to -3
sgt $t3,$t1,0 #set greater than zero to t3
beqz $t3,Else #check if equal zero go to zero
addi $t2,$t1,10 #if part
j endIf #jump to end if
Else :
subi $t2,$t1,10 #else part
endIf:

#print message
li $v0,1
move $a0,$t2
syscall

code snippet.

output:

Edit Execute addThreeNumber.asm ifieself.asm .text addi $t1,$zero,-3 #tl store value of a set to -3 sgt $t3 $t1 #set greater than zero to t3 begz $t3,Else #check if equal zero go to zero addi $t2,$t1, 10 #if part j endif #jump to end if EISe. subí $t2,$ti,10 #else part endIf: #print me s sage move $a0,$t2 syscalI

Edit Execute Text Ser Source □ | 0x00400000| 0x2009fffdaddi $9, $0,0xfffffffd | 2: addi $t1,$zero,-3 #tl store value of a set to -3 3: | 0x00400004| 0x00400008 0x0029582alslt $11,$1,$9 0x20010000|addi $1, $0,0x00000000 | sgt $t3, $t1,0 #set greater than zero to t3 ם| 0x0040000c 0x11600002 eq $11, $0, 0x00000002 | 4: begz addi $t3, Else #check if equal zero go to zero | 0x00400010| 0x00400014 0x081000085 0x00400020 0x00400018| $10,$9, 0x0000000a| 5: 6: ] endif #jump to end if 8: 0x2 12a000aaddi $t2 , $tl, 10 #if | 0x2001000a|addi 0x01215022|sub $10, $9,$1 0x24020001|addiu $1,$0, 0x0000000a | subi $t2,$t1,10 #else | □ | 0x0040001c| 0x00400020| | 0x00400024 0x000a2021 addu $4, $0,$10 $2, $0,0x00000001|13: li $v0,1 14: move $a0, $t2 0x00400028 0x0000000csyscal1 Data Segment 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x10010000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x10010040 0x10010060 0x10010080 00100a 1001000 100100e 0x10010100 0x10010140 0x10010160 0x10010180 0x1001 0000 (.data) ▼| Hexadecimal Addresses d Hexadecimal Values Mars MessagesRun IIO eset: reset completed prgram is finished running (dropped off bottom) - Clea