Texas Instruments MSP430x1xx User Manual page 100

Instruction Set
* SETN Set negative bit
Syntax SETN
Operation 1 −> N
Emulation BIS
Description The negative bit (N) is set.
Status Bits N: Set
Z: Not affected
C: Not affected
V: Not affected
Mode Bits OSCOFF, CPUOFF, and GIE are not affected.
RISC 16−Bit CPU
3-64
#4,SR