Datasheet

Instruction Set Description

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4.6.2.5 BIC

BIC[.W] Clear bits set in source word in destination word

BIC.B Clear bits set in source byte in destination byte

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 bits 15:14 of R5 (16-bit data) are cleared. R5.19:16 = 0

BIC #0C000h,R5 ; Clear R5.19:14 bits

Example A table word pointed to by R5 (20-bit address) is used to clear bits in R7. R7.19:16 = 0

BIC.W @R5,R7 ; Clear bits in R7 set in @R5

Example A table byte pointed to by R5 (20-bit address) is used to clear bits in Port1.

BIC.B @R5,&P1OUT ; Clear I/O port P1 bits set in @R5

168

CPUX SLAU144J–December 2004–Revised July 2013

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