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RN
The RN
directive defines a name for a specified register.
Syntax
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.
Usage
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.
Examples
regname RN 11 ; defines regname for register 11 sqr4 RN r6 ; defines sqr4 for register 6