41594B datasheet(315/372 Pages) MICROCHIP

315 / 372 page

 2011-2012 Microchip Technology Inc.

Preliminary

DS41594B-page 315

PIC12LF1840T48A

LSLF

Logical Left Shift

Syntax:

[ label ] LSLF

f {,d}

Operands:

 f  127

[0,1]

Operation:

(f<7>)

 C

(f<6:0>)

 dest<7:1>

 dest<0>

Status Affected:

C, Z

Description:

The contents of register ‘f’ are shifted

one bit to the left through the Carry flag.

A ‘0’ is shifted into the LSb. If ‘d’ is ‘0’,

the result is placed in W. If ‘d’ is ‘1’, the

result is stored back in register ‘f’.

LSRF

Logical Right Shift

Syntax:

[ label ] LSLF

f {,d}

Operands:

 f  127

[0,1]

Operation:

 dest<7>

(f<7:1>)

 dest<6:0>,

(f<0>)

 C,

Status Affected:

C, Z

Description:

The contents of register ‘f’ are shifted

one bit to the right through the Carry

flag. A ‘0’ is shifted into the MSb. If ‘d’ is

‘0’, the result is placed in W. If ‘d’ is ‘1’,

the result is stored back in register ‘f’.

MOVF

Move f

Syntax:

[ label ]

MOVF f,d

Operands:

 f  127

 [0,1]

Operation:

(f)

 (dest)

Status Affected:

Description:

The contents of register f is moved to

a destination dependent upon the

status of d. If d = 0, destination is W

file register since status flag Z is

affected.

Words:

Cycles:

Example:

MOVF

FSR, 0

After Instruction

W = value in FSR register

Z= 1

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