Datasheet

15 14 13 12 11 10 9 8 7 6 5 4 3 0
0 0 0 1 1 0 A/L n-1/Rn
Op-code B/W dst
0 ZC # 0 0
0 0 0 1 1 A/L
Op-code B/W dst
0 0
0 0 0 1
1 A/L
Op-code B/W dst
dst.15:0
0 0
0 0 0 0
dst.19:160 0 0 0
0
0 0 0
0 0
1 x
x 1
www.ti.com MSP430 and MSP430X Instructions
4.5.2.4 Extended Single-Operand (Format II) Instructions
Extended MSP430X Format II instructions are listed in Table 4-14.
Table 4-14. Extended Single-Operand Instructions
Status Bits
(1)
Mnemonic Operands Operation
n V N Z C
CALLA dst Call indirect to subroutine (20-bit address) – – – –
POPM.A #n,Rdst Pop n 20-bit registers from stack 1 to 16 – – – –
POPM.W #n,Rdst Pop n 16-bit registers from stack 1 to 16 – – – –
PUSHM.A #n,Rsrc Push n 20-bit registers to stack 1 to 16 – – – –
PUSHM.W #n,Rsrc Push n 16-bit registers to stack 1 to 16 – – – –
PUSHX(.B,.A) src Push 8/16/20-bit source to stack – – – –
RRCM(.A) #n,Rdst Rotate right Rdst n bits through carry (16-/20-bit register) 1 to 4 0 * * *
RRUM(.A) #n,Rdst Rotate right Rdst n bits unsigned (16-/20-bit register) 1 to 4 0 * * *
RRAM(.A) #n,Rdst Rotate right Rdst n bits arithmetically (16-/20-bit register) 1 to 4 * * * *
RLAM(.A) #n,Rdst Rotate left Rdst n bits arithmetically (16-/20-bit register) 1 to 4 * * * *
RRCX(.B,.A) dst Rotate right dst through carry (8-/16-/20-bit data) 1 0 * * *
RRUX(.B,.A) Rdst Rotate right dst unsigned (8-/16-/20-bit) 1 0 * * *
RRAX(.B,.A) dst Rotate right dst arithmetically 1 * * * *
SWPBX(.A) dst Exchange low byte with high byte 1 – – – –
SXTX(.A) Rdst Bit7 → bit8 ... bit19 1 0 * * *
SXTX(.A) dst Bit7 → bit8 ... MSB 1 0 * * *
(1)
* = Status bit is affected.
– = Status bit is not affected.
0 = Status bit is cleared.
1 = Status bit is set.
The three possible addressing mode combinations for Format II instructions are shown in Figure 4-30.
Figure 4-30. Extended Format II Instruction Format
153
SLAU144J–December 2004–Revised July 2013 CPUX
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