Texas Instruments MSP430x1xx User Manual
Page 363
Instruction Set Overview
B-13
Instruction Set Description
BIC[.W]
Clear bits in destination
BIC.B
Clear bits in destination
Syntax
BIC
src,dst or BIC.W src,dst
BIC.B
src,dst
Operation
.NOT.src .AND. dst –> dst
Description
The inverted source operand and the destination operand are logically
ANDed. The result is placed into the destination. The source operand is not
affected.
Status Bits
N: Not affected
Z: Not affected
C: Not affected
V: Not affected
Mode Bits
OscOff, CPUOff, and GIE are not affected.
Example
The six MSBs of the RAM word LEO are cleared.
BIC
#0FC00h,LEO
; Clear 6 MSBs in MEM(LEO)
Example
The five MSBs of the RAM byte LEO are cleared.
BIC.B
#0F8h,LEO
; Clear 5 MSBs in Ram location LEO
Example
The port pins P0 and P1 are cleared.
P0OUT
.equ
011h;
Definition of port address
P0_0
.equ
01h
P0_1
.equ
02h
BIC.B
#P0_0+P0_1,&P0OUT
;Set P0.0 and P0.1 to low