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Write ARM assembly language instructions to change the value of r0 as follows: complement the most significant byte of r0 , if the least significant
Write ARM assembly language instructions to change the value of r0 as follows:
- complement the most significant byte of r0, if the least significant byte of r1 is greater than or equal to 20.
- set the least significant byte of r0 to zeros (i.e. 0x00), if r1 is divisible by 4.
(Hint: A binary number is divisible by four if its two least significant bits are zeros.)
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