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i am facing problem in code?

Kaustuk over 8 years ago

I am new to the arm & I was writting the code in keil to store the number using DCD but i am unable to store it & instead it j
ust store some number so where is my code wrong?
area prog1,code,readonly
   entry
   ldr r1,=0x4020
   ldr r2,=label
   str r2,[r1]
label DCD 0xAEF67D90
   end

Top replies

Yasuhiko Koumoto over 8 years ago +1 verified

Hi, ldr r2,=label would be wrong. By this code, the address of the label will be loaded into r2. If you want to load the content of the label, you should remove '=' as ldr r2,label. HTH, ...

+1 Yasuhiko Koumoto over 8 years ago

Hi,

ldr r2,=label

would be wrong.

By this code, the address of the label will be loaded into r2.

If you want to load the content of the label, you should remove '=' as

ldr r2,label.

HTH,

Yasuhiko Koumoto.
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