PIC16LC8X View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16LC8X

8-Bit CMOS EEPROM Microcontrollers

Microchip Technology 

9.1 Instruction Descriptions

ADDLW

Syntax:

Operands:

Operation:

Status Affected:

Encoding:

Description:

Words:

Cycles:

Example

Add Literal and W

[ label ] ADDLW k

0 ≤ k ≤ 255

(W) + k → (W)

C, DC, Z

11 111x kkkk kkkk

The contents of the W register are

added to the eight bit literal 'k' and the

result is placed back in the W register.

1

1

ADDLW 0x15

Before Instruction

W = 0x10

After Instruction

W = 0x25

ADDWF

Syntax:

Operands:

Operation:

Status Affected:

Encoding:

Description:

Words:

Cycles:

Example

Add W and f

[ label ] ADDWF f,d

0 ≤ f ≤ 127

d ∈ [0,1]

(W) + (f) → (dest)

C, DC, Z

00 0111 dfff ffff

Add the contents of the W register to

register 'f'. If 'd' is 0 the result is

stored in the W register. If 'd' is 1 the

result is stored back in register 'f'.

1

1

ADDWF FSR, 0

Before Instruction

W = 0x17

FSR = 0xC2

After Instruction

W = 0xD9

FSR = 0xC2

PIC16C8X

ANDLW

Syntax:

Operands:

Operation:

Status Affected:

Encoding:

Description:

Words:

Cycles:

Example

AND Literal with W

[ label ] ANDLW k

0 ≤ k ≤ 255

(W) .AND. (k) → (W)

Z

11 1001 kkkk kkkk

The contents of W register is AND’ed

with the eight bit literal 'k'. The result is

placed back in the W register.

1

1

ANDLW 0x5F

Before Instruction

W = 0xA3

After Instruction

W = 0x03

ANDWF

Syntax:

Operands:

Operation:

Status Affected:

Encoding:

Description:

Words:

Cycles:

Example

AND W with f

[ label ] ANDWF f,d

0 ≤ f ≤ 127

d ∈ [0,1]

(W) .AND. (f) → (dest)

Z

00 0101 dfff ffff

AND the W register with register 'f'. If

'd' is 0 the result is stored in the W

register. If 'd' is 1 the result is stored

back in register 'f'.

1

1

ANDWF FSR, 1

Before Instruction

W = 0x17

FSR = 0xC2

After Instruction

W = 0x17

FSR = 0x02

© 1995 Microchip Technology Inc.

DS30081F-page 55

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