PIC16F54-ESLASHP datasheet(45/88 Pages) MICROCHIP

45 / 88 page

DS41213D-page 43

PIC16F5X

ADDWF

Add W and f

Syntax:

[ label ] ADDWF

f, d

Operands:

≤ f ≤ 31

∈ [0,1]

Operation:

(W) + (f)

→ (dest)

Status Affected:

C, DC, Z

Encoding:

0001

11df

ffff

Description:

Add the contents of the W register

and register ‘f’. If ‘d’ is ‘0’, the

result is stored in the W register. If

‘d’ is ‘1’, the result is stored back in

Words:

Cycles:

Example:

ADDWF

TEMP_REG, 0

Before Instruction

0x17

TEMP_REG =

0xC2

After Instruction

0xD9

TEMP_REG =

0xC2

ANDLW

AND literal with W

Syntax:

[ label ] ANDLW

Operands:

≤ k ≤ 255

Operation:

(W).AND. (k)

→ (W)

Status Affected:

Encoding:

1110

kkkk

Description:

The contents of the W register are

AND’ed with the eight-bit literal ‘k’.

The result is placed in the W

Words:

Cycles:

Example:

ANDLW

H'5F'

Before Instruction

0xA3

After Instruction

0x03

ANDWF

AND W with f

Syntax:

[ label ] ANDWF

f, d

Operands:

≤ f ≤ 31

∈ [0,1]

Operation:

(W) .AND. (f)

→ (dest)

Status Affected:

Encoding:

0001

01df

ffff

Description:

The contents of the W register are

AND’ed with register ‘f’. If ‘d’ is ‘0’,

the result is stored in the W

stored back in register ‘f’.

Words:

Cycles:

Example:

ANDWF

TEMP_REG, 1

Before Instruction

0x17

TEMP_REG =

0xC2

After Instruction

0x17

TEMP_REG =

0x02

BCF

Bit Clear f

Syntax:

[ label ] BCF

f, b

Operands:

≤ f ≤ 31

≤ b ≤ 7

Operation:

→ (f<b>)

Status Affected:

None

Encoding:

0100

bbbf

ffff

Description:

Bit ‘b’ in register ‘f’ is cleared.

Words:

Cycles:

Example:

BCF

FLAG_REG,

Before Instruction

FLAG_REG =

0xC7

After Instruction

FLAG_REG =

0x47

PIC16F54-E/P Datasheet(PDF) 45 Page - Microchip Technology

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