PIC18FXX8 Datasheet, PDF (290/402 Pages) Microchip Technology – 28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module

PIC18FXX8
ADDWFC
ADD W and Carry bit to f
Syntax:
[ label ] ADDWFC f [,d [,a]]
Operands:
0 ≤ f ≤ 255
d ∈ [0,1]
a ∈ [0,1]
Operation:
(W) + (f) + (C) → dest
Status Affected: N, OV, C, DC, Z
Encoding:
0010 00da ffff ffff
Description:
Add W, the Carry flag and data memory
location ‘f’. If ‘d’ is ‘0’, the result is placed
in W. If ‘d’ is ‘1’, the result is placed in
data memory location ‘f’. If ‘a’ is ‘0’, the
Access Bank will be selected. If ‘a’ is ‘1’,
the BSR will not be overridden.
Words:
1
Cycles:
1
Q Cycle Activity:
Q1
Decode
Q2
Read
register ‘f’
Q3
Process
Data
Q4
Write to
destination
Example:
ADDWFC
Before Instruction
Carry bit =
REG =
W
=
After Instruction
Carry bit =
REG =
W
=
1
0x02
0x4D
0
0x02
0x50
REG, W
ANDLW
AND Literal with W
Syntax:
[ label ] ANDLW k
Operands:
0 ≤ k ≤ 255
Operation:
(W) .AND. k → W
Status Affected: N, Z
Encoding:
0000 1011 kkkk kkkk
Description:
The contents of W are ANDed with the
8-bit literal ‘k’. The result is placed in W.
Words:
1
Cycles:
1
Q Cycle Activity:
Q1
Decode
Q2
Read literal
‘k’
Q3
Process
Data
Q4
Write to W
Example:
ANDLW
Before Instruction
W
=
After Instruction
W
=
0xA3
0x03
0x5F
DS41159D-page 288
 2004 Microchip Technology Inc.