RN

The RN directive defines a register name for a specified register.

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name RN expr

where:

name

is the name to be assigned to the register. name cannot be the same as any of the predefined names.

expr

evaluates to a register number from 0 to 15.

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Use RN to allocate convenient names to registers, to help you to remember what you use each register for. Be careful to avoid conflicting uses of the same register under different names.

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regname     RN  11  ; defines regname for register 11
sqr4        RN  r6  ; defines sqr4 for register 6

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