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PIC18F010 Datasheet(PDF) 103 Page - Microchip Technology

Part # PIC18F010
Description  High Performance Microcontrollers
PDF  176 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F010 Datasheet(HTML) 103 Page - Microchip Technology

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 2001 Microchip Technology Inc.
Preliminary
DS41142A-page 101
PIC18F010/020
13.1
Instruction Set
ADDLW
ADD literal to WREG
Syntax:
[ label ] ADDLW
k
Operands:
0
≤ k ≤ 255
Operation:
(WREG) + k
→ WREG
Status Affected:
N,OV, C, DC, Z
Encoding:
0000
1111
kkkk
kkkk
Description:
The contents of WREG are added
to the 8-bit literal ’k’ and the result is
placed in WREG.
Words:
1
Cycles:
1
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
Read
literal ’k’
Process
Data
Write to
WREG
Example:
ADDLW
0x15
Before Instruction
WREG
=
0x10
N=
?
OV
=
?
C=
?
DC
=
?
Z=
?
After Instruction
WREG
=
0x25
N=
0
OV
=
0
C=
0
DC
=
0
Z=
0
ADDWF
ADD WREG to f
Syntax:
[ label ] ADDWF
f [,d] [,a]
Operands:
0
≤ f ≤ 255
d
∈ [0,1]
a
∈ [0,1]
Operation:
(WREG) + (f)
→ dest
Status Affected:
N,OV, C, DC, Z
Encoding:
0010
01da
ffff
ffff
Description:
Add WREG to register ’f’. If ’d’ is 0,
the result is stored in WREG. If ’d’
is 1, the result is stored back in reg-
ister 'f' (default). If ’a’ is 0, the
Access Bank will be selected. If ’a’
is 1, the Bank will be selected as
per the BSR value.
Words:
1
Cycles:
1
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
Read
register ’f’
Process
Data
Write to
destination
Example:
ADDWF
REG,
W
Before Instruction
WREG
=
0x17
REG
=
0xC2
N=
?
OV
=
?
C=
?
DC
=
?
Z=
?
After Instruction
WREG
=
0xD9
REG
=
0xC2
N=
1
OV
=
0
C=
0
DC
=
0
Z=
0



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