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ARM ASM PROGRAM FOR FINDING FACTORIAL OF A NUMBER-1

    AREA prog,code,readonly
EntRY
    ldrb r0,num
    mov r3,r0
up  sub r1,r3,#1
    mul r2,r0,r1
mov r0,r2
mov r3,r1
cmp r3,#1
bhi up
ldr r0,=fact
str r2,[r0]

s b s

 AREA data2,data,readonly
num DCB 0x3
 AREA data1,data
fact SPACE 5
 END
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