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PIC18F2331_07 Datasheet, PDF (314/400 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High Performance PWM and A/D | |||
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PIC18F2331/2431/4331/4431
IORLW
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Q1
Decode
Inclusive OR Literal with W
[ label ] IORLW k
0 ⤠k ⤠255
(W) .OR. k â W
N, Z
0000 1001 kkkk kkkk
The contents of W are ORed with the
8-bit literal âkâ. The result is placed in W.
1
1
Q2
Read
literal âkâ
Q3
Process
Data
Q4
Write to
W
Example:
IORLW
Before Instruction
W
= 0x9A
After Instruction
W
= 0xBF
0x35
IORWF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Q1
Decode
Inclusive OR W with f
[ label ] IORWF f [,d [,a]]
0 ⤠f ⤠255
d â [0,1]
a â [0,1]
(W) .OR. (f) â dest
N, Z
0001 00da ffff ffff
Inclusive OR W with register âfâ. If âdâ is
â0â, the result is placed in W. If âdâ is â1â,
the result is placed back in register âfâ
(default). If âaâ is â0â, the Access Bank
will be selected, overriding the BSR
value. If âaâ = 1, then the bank will be
selected as per the BSR value (default).
1
1
Q2
Read
register âfâ
Q3
Process
Data
Q4
Write to
destination
Example:
IORWF RESULT, W
Before Instruction
RESULT = 0x13
W
= 0x91
After Instruction
RESULT =
W
=
0x13
0x93
DS39616C-page 312
Preliminary
© 2007 Microchip Technology Inc.
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