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Is there an ARM assembly instruction for the following problem of converting between string to number, number to string, and number to number?
String -> Number
Number -> String
Number -> Number
Where String is a character array
and
Number is different representations of a number using different bases (decimal, hex, etc.)
The whole point of Assembler is that you are using the processor's instruction set directly.
If you're writing in Assembler, you must have the appropriate Instruction Set document to hand; eg,
http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0553b/index.html
If you want functions to do high-level operations like this, then use a higher-level language - like 'C'