9.29.2.1 Macros

The macro syntax used on the MSP 430 is like that described in the MSP 430 Family Assembler Specification. Normal as macros should still work.

Additional built-in macros are:

llo(exp)

Extracts least significant word from 32-bit expression ’exp’.

lhi(exp)

Extracts most significant word from 32-bit expression ’exp’.

hlo(exp)

Extracts 3rd word from 64-bit expression ’exp’.

hhi(exp)

Extracts 4rd word from 64-bit expression ’exp’.

They normally being used as an immediate source operand.

    mov	#llo(1), r10	;	== mov	#1, r10
    mov	#lhi(1), r10	;	== mov	#0, r10