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PIC18F6X2X Datasheet, PDF (285/386 Pages) Microchip Technology – 64/80-Pin High Performance, 64-Kbyte Enhanced FLASH Microcontrollers with A/D | |||
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25.1 Instruction Set
ADDLW
ADD literal to W
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
[ label ] ADDLW k
0 ⤠k ⤠255
(W) + k â W
N, OV, C, DC, Z
0000 1111 kkkk kkkk
The contents of W are added to the
8-bit literal âkâ and the result is
placed in W.
Words:
1
Cycles:
1
Q Cycle Activity:
Q1
Decode
Q2
Read
literal âkâ
Q3
Process
Data
Q4
Write to W
Example:
ADDLW
Before Instruction
W = 0x10
After Instruction
W = 0x25
0x15
PIC18F6X2X/8X2X
ADDWF
ADD W to f
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
[ label ] ADDWF
0 ⤠f ⤠255
d â [0,1]
a â [0,1]
(W) + (f) â dest
N, OV, C, DC, Z
f [,d [,a] f [,d [,a]
0010 01da ffff ffff
Add W to register âfâ. If âdâ is 0, the
result is stored in W. If âdâ is 1, the
result is stored back in register âfâ
(default). If âaâ is 0, the Access
Bank will be selected. If âaâ is 1, the
BSR is used.
1
1
Q Cycle Activity:
Q1
Q2
Decode
Read
register âfâ
Q3
Process
Data
Q4
Write to
destination
Example:
ADDWF
Before Instruction
W
REG
= 0x17
= 0xC2
After Instruction
W
REG
= 0xD9
= 0xC2
REG, 0, 0
 2003 Microchip Technology Inc.
Advance Information
DS39612A-page 283
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