PIC18C242 MICROCHIP [Microchip Technology], PIC18C242 Datasheet - Page 230

• Manufacturer Part Number: PIC18C242
• Description: High-Performance Microcontrollers with 10-Bit A/D
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18CXX2
SWAPF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
DS39026B-page 230
Before Instruction
After Instruction
Decode
REG
REG
Q1
=
=
register ’f’
Swap f
[ label ] SWAPF f,d,a
0
d
a
(f<3:0>)
(f<7:4>)
None
The upper and lower nibbles of reg-
ister ’f’ are exchanged. If ’d’ is 0, the
result is placed in WREG. If ’d’ is 1,
the result is placed in register ’f’
(default). If ’a’ is 0, the Access
Bank will be selected, overriding
the BSR value. If ’a’ is 1, then the
bank will be selected as per the
BSR value (default).
1
1
SWAPF
Read
0011
Q2
0x53
0x35
f
[0,1]
[0,1]
255
REG, 1, 0
10da
dest<7:4>,
dest<3:0>
Process
Data
Q3
ffff
destination
Write to
Q4
ffff
Preliminary
7/99 Microchip Technology Inc.