PIC17C44-08SLASHP datasheet(128/240 Pages) MICROCHIP

128 / 240 page

PIC17C4X

DS30412C-page 128

MOVPF

Move p to f

Syntax:

[

label]

MOVPF p,f

Operands:

≤ f ≤ 255

≤ p ≤ 31

Operation:

(p)

→ (f)

Status Affected:

Encoding:

010p

pppp

ffff

Description:

Move data from data memory location

'p' to data memory location 'f'. Location

'f' can be anywhere in the 256 byte data

space (00h to FFh) while 'p' can be 00h

to 1Fh.

Either 'p' or 'f' can be WREG (a useful

special situation).

MOVPF

is particularly useful for transfer-

ring a peripheral register (e.g. the timer

or an I/O port) to a data memory loca-

tion. Both 'f' and 'p' can be indirectly

addressed.

Words:

Cycles:

Q Cycle Activity:

Decode

Read

Execute

Write

Example:

MOVPF

REG1, REG2

Before Instruction

REG1

0x11

REG2

0x33

After Instruction

REG1

0x11

REG2

0x11

MOVWF

Move WREG to f

Syntax:

[

label ]

MOVWF

Operands:

≤ f ≤ 255

Operation:

(WREG)

→ (f)

Status Affected:

None

Encoding:

0000

0001

ffff

Description:

Move data from WREG to register 'f'.

Location 'f' can be anywhere in the 256

word data space.

Words:

Cycles:

Q Cycle Activity:

Decode

Read

Execute

Write

Example:

MOVWF

REG

Before Instruction

WREG

0x4F

REG

0xFF

After Instruction

WREG

0x4F

REG

0x4F

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