7).  to count the number of 1 and zero in a given 32 bit number
AREA PROGRAM, CODE, READONLY
 ENTRY
MAIN
 MOV R0, #0x12
 MOV R1, #0x20
LOOP
 MOVS R0, R0, LSR #1
 ADDCS R3, R3, #1
 ADDCC R4, R4, #1
 SUB R1, R1, #1
 BNE LOOP
 END

8).to verify how many bytes are present in a given set resembeling oxac
AREA PROGRAM, CODE, READONLY
 ENTRY
MAIN
 MOV R0, #0x12
 MOV R1, #0x20
LOOP
 MOVS R0, R0, LSR #1
 ADDCS R3, R3, #1
 ADDCC R4, R4, #1
 SUB R1, R1, #1
 BNE LOOP
 END

9).Write a progarm in arm assembly language to find the largest number in a series and result also stored in memory location
AREA PROGRAM, CODE, READONLY
 ENTRY
MAIN
 MOV R8, #5
 LDR R0, VAL1
 LDR R1, [R0], #4
LOOP
 LDR R2, [R0], #4
 CMP R1, R2
 MOVGT R3, R1
 MOVLT R3, R2
 MOV R1, R3
 SUBS R8, R8, #01
 BNE LOOP
 AREA PROGRAM, DATA, READONLY
VAL1 DCD &40000000
 END

10).ascending order and descending arder using bubble sort method
AREA PROGRAM, CODE, READONLY
 ENTRY
MAIN
 MOV R0, #10
OUTERLOOP LDR R5, VAL1
 ADD R6, R5, #1
 MOV R3, #9
INNERLOOP LDRB R1, [R5]
 LDRB R2, [R6]
 CMP R1, R2
 BLO LOOP3
 MOV R1, R4
LOOP3
 STRB R1, [R5]
 STRB R2, [R6]
 ADD R5, R5, #1
 ADD R6, R6, #1
 SUBS R3, R3, #1
 BNE INNERLOOP
 SUBS R0, R0, #1
 BNE OUTERLOOP
 AREA PROGRAM, DATA, READONLY
VAL1 DCD &40000000
 END

Experiment 10 (b):
AREA PROGRAM, CODE, READONLY
 ENTRY
MAIN
 MOV R0, #10
OUTERLOOP LDR R5, VAL1
 ADD R6, R5, #1
 MOV R3, #9
INNERLOOP LDRB R1, [R5]
 LDRB R2, [R6]
 CMP R2, R1
 BLO LOOP3
 MOV R1, R4
LOOP3
 STRB R1, [R5]
 STRB R2, [R6]
 ADD R5, R5, #1
 ADD R6, R6, #1
 SUBS R3, R3, #1
 BNE INNERLOOP
 SUBS R0, R0, #1
 BNE OUTERLOOP
 AREA PROGRAM, DATA, READONLY
VAL1 DCD &40000000
 END


11).to find the factorial of a number using lookup table
AREA PROGRAM, CODE, READONLY
 ENTRY
MAIN
 LDR R0, =FACTORIAL
 MOV R1, #6
 MOV R1, R1, LSL #2
 ADD R0, R0, R1
 LDR R3, [R0]

 AREA FACTORIAL, DATA, READONLY
 DCD 1
 DCD 1
 DCD 2
 DCD 6
 DCD 24
 DCD 120
 DCD 720
 END


12).to find number of occurence of a letter ibn a given string
AREA PROGRAM, CODE, READONLY
 ENTRY
MAIN
 LDR R1, VAL1
 MOV R4, #'S'
 MOV R6, #6
LOOP
 LDRB R2, [R1], #1
 CMP R2, R4
 ADDEQ R3, R3, #1
 SUB R6, R6, #1
 CMP R6, #0
 BNE LOOP
 AREA PROGRAM, DATA, READONLY
VAL1 DCD STRING
STRING DCB "SCISSORS"
 END


13).program in ARM assembly to impliment the equations
Experiment 13 (a):
AREA PROGRAM, CODE, READONLY
 ENTRY
MAIN
 LDR R1, VAL1
 LDR R2, VAL2
 LDR R3, VAL3
 LDR R4, VAL4

 MUL R1, R2, R2
 MUL R3, R4, R4
 ADD R5, R1, R3

 AREA PROGRAM, DATA, READONLY
VAL1 DCD &00000001
VAL2 DCD &00000002
VAL3 DCD &00000001
VAL4 DCD &00000003
END

Experiment 13 (b):
AREA PROGRAM, CODE, READONLY
 ENTRY
MAIN
 MOV R0, #1 ;X
 MOV R1, #2 ;Y
 MOV R2, #3 ;Z
 MOV R8, #6
 MOV R9, #2

 ADD R3, R0, R1 ;X+Y
 MUL R4, R3, R8 ;6(X+Y)
 MUL R6, R2, R9 ;2Z
 ADD R5, R4, R6 ;6(X+Y)+2Z
 ADD R7, R5, #4 ;6(X+Y)+2Z+4
 END


14).program to find the length of a given string
AREA PROGRAM, CODE, READONLY
 ENTRY
MAIN
 LDR R0, VAL1
 MOV R1, #0
 MOV R2, #0
LOOP
 LDRB R4, [R0], #1
 CMP R4, R2
 ADDNE R1, R1, #1
 BNE LOOP
 AREA PROGRAM, DATA, READONLY
VAL1 DCD STRING
STRING DCB "MST"
END