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ADDING OF 16 BIT ARRAY

  
 AREA data2,data
sum space 1
 AREA prog,code,readonly
 ENTRY
  LDR r0,=lbl
 MOV r1,#4
 LDR R2,[r0],#4
 ;ADD r4,r0,#4
up LDR r3,[R0],#4
 add r7,r2,r3
 subs r1,#1
 mov r2,r7
 ;mov r0,r4
 bne up
 ldr r5,=sum
 str r7,[r5]
s b s
 AREA data1,data,readonly
lbl DCD   0x1201
    DCD   0x0121
    DCD   0x3210
    DCD   0x1111
 END
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