as: MSP430-Macros
9.28.2.1 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
Info Catalog
as: MSP430 Syntax
as: MSP430-Chars