INTEDG datasheet(384/478 Pages) MICROCHIP

384 / 478 page

PIC16(L)F1946/47

DS41414D-page 384

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MOVIW

Move INDFn to W

Syntax:

[ label ] MOVIW ++FSRn

[ label ] MOVIW --FSRn

[ label ] MOVIW FSRn++

[ label ] MOVIW FSRn--

[ label ] MOVIW k[FSRn]

Operands:

 [0,1]

 [00,01, 10, 11]

-32

 k  31

Operation:

INDFn

 W

Effective address is determined by

• FSR + 1 (preincrement)

• FSR - 1 (predecrement)

• FSR + k (relative offset)

After the Move, the FSR value will be

either:

• FSR + 1 (all increments)

• FSR - 1 (all decrements)

• Unchanged

Status Affected:

Mode

Syntax

Preincrement

++FSRn

Predecrement

--FSRn

Postincrement

FSRn++

Postdecrement

FSRn--

Description:

This instruction is used to move data

between W and one of the indirect

registers (INDFn). Before/after this

move, the pointer (FSRn) is updated by

pre/post incrementing/decrementing it.

Note: The INDFn registers are not

physical registers. Any instruction that

accesses an INDFn register actually

accesses the register at the address

specified by the FSRn.

FSRn is limited to the range 0000h -

FFFFh. Incrementing/decrementing it

beyond these bounds will cause it to wrap

around.

MOVLB

Move literal to BSR

Syntax:

[ label ] MOVLB k

Operands:

 k  15

Operation:

 BSR

Status Affected:

None

Description:

The five-bit literal ‘k’ is loaded into the

Bank Select Register (BSR).

MOVLP

Move literal to PCLATH

Syntax:

[ label ] MOVLP k

Operands:

 k  127

Operation:

 PCLATH

Status Affected:

None

Description:

The seven-bit literal ‘k’ is loaded into the

PCLATH register.

MOVLW

Move literal to W

Syntax:

[ label ]

MOVLW k

Operands:

 k  255

Operation:

 (W)

Status Affected:

None

Description:

The eight-bit literal ‘k’ is loaded into W

ble as ‘0’s.

Words:

Cycles:

Example:

MOVLW

0x5A

After Instruction

0x5A

MOVWF

Move W to f

Syntax:

[ label ]

MOVWF

Operands:

 f  127

Operation:

(W)

 (f)

Status Affected:

None

Description:

Move data from W register to register

‘f’.

Words:

Cycles:

Example:

MOVWF

OPTION_REG

Before Instruction

OPTION_REG = 0xFF

W = 0x4F

After Instruction

OPTION_REG = 0x4F

W = 0x4F

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