Texas Instruments MSP430x1xx manual 17.MSP430 Instruction Set, Mnemonic Description

Instruction Set

Table 3−17.MSP430 Instruction Set

Mnemonic		Description			V	N	Z	C
ADC(.B)†	dst	Add C to destination	dst + C → dst		*	*	*	*
ADD(.B)	src,dst	Add source to destination	src + dst → dst		*	*	*	*
ADDC(.B)	src,dst	Add source and C to destination	src + dst + C → dst		*	*	*	*
AND(.B)	src,dst	AND source and destination	src .and. dst → dst		0	*	*	*
BIC(.B)	src,dst	Clear bits in destination	.not.src .and. dst → dst		−	−	−	−
BIS(.B)	src,dst	Set bits in destination	src .or. dst → dst		−	−	−	−
BIT(.B)	src,dst	Test bits in destination	src .and. dst		0	*	*	*
BR†	dst	Branch to destination	dst → PC		−	−	−	−
CALL	dst	Call destination	PC+2 → stack, dst → PC		−	−	−	−
CLR(.B)†	dst	Clear destination	0 → dst		−	−	−	−
CLRC†		Clear C	0 → C		−	−	−	0
CLRN†		Clear N	0 → N		−	0	−	−
CLRZ†		Clear Z	0 → Z		−	−	0	−
CMP(.B)	src,dst	Compare source and destination	dst − src		*	*	*	*
DADC(.B)†	dst	Add C decimally to destination	dst + C → dst (decimally)		*	*	*	*
DADD(.B)	src,dst	Add source and C decimally to dst.	src + dst + C → dst (decimally)		*	*	*	*
DEC(.B)†	dst	Decrement destination	dst − 1	→ dst	*	*	*	*
DECD(.B)†	dst	Double-decrement destination	dst − 2	→ dst	*	*	*	*
DINT†		Disable interrupts	0 → GIE		−	−	−	−
EINT†		Enable interrupts	1 → GIE		−	−	−	−
INC(.B)†	dst	Increment destination	dst +1 → dst		*	*	*	*
INCD(.B)†	dst	Double-increment destination	dst+2 → dst		*	*	*	*
INV(.B)†	dst	Invert destination	.not.dst → dst		*	*	*	*
JC/JHS	label	Jump if C set/Jump if higher or same			−	−	−	−
JEQ/JZ	label	Jump if equal/Jump if Z set			−	−	−	−
JGE	label	Jump if greater or equal			−	−	−	−
JL	label	Jump if less			−	−	−	−
JMP	label	Jump	PC + 2 x offset → PC		−	−	−	−
JN	label	Jump if N set			−	−	−	−
JNC/JLO	label	Jump if C not set/Jump if lower			−	−	−	−
JNE/JNZ	label	Jump if not equal/Jump if Z not set			−	−	−	−
MOV(.B)	src,dst	Move source to destination	src → dst		−	−	−	−
NOP†		No operation			−	−	−	−
POP(.B)†	dst	Pop item from stack to destination	@SP → dst, SP+2 → SP		−	−	−	−
PUSH(.B)	src	Push source onto stack	SP − 2	→ SP, src → @SP	−	−	−	−
RET†		Return from subroutine	@SP → PC, SP + 2 → SP		−	−	−	−
RETI		Return from interrupt			*	*	*	*
RLA(.B)†	dst	Rotate left arithmetically			*	*	*	*
RLC(.B)†	dst	Rotate left through C			*	*	*	*
RRA(.B)	dst	Rotate right arithmetically			0	*	*	*
RRC(.B)	dst	Rotate right through C			*	*	*	*
SBC(.B)†	dst	Subtract not(C) from destination	dst + 0FFFFh + C → dst		*	*	*	*
SETC†		Set C	1 → C		−	−	−	1
SET†		Set N	1 → N		−	1	−	−
SETZ†		Set Z	1 → C		−	−	1	−
SUB(.B)	src,dst	Subtract source from destination	dst + .not.src + 1 → dst		*	*	*	*
SUBC(.B)	src,dst	Subtract source and not(C) from dst.	dst + .not.src + C → dst		*	*	*	*
SWPB	dst	Swap bytes			−	−	−	−
SXT	dst	Extend sign			0	*	*	*
TST(.B)†	dst	Test destination	dst + 0FFFFh + 1		0	*	*	1
XOR(.B)	src,dst	Exclusive OR source and destination	src .xor. dst → dst		*	*	*	*

† Emulated Instruction

RISC 16−Bit CPU 3-75