PIC17C756A MICROCHIP [Microchip Technology], PIC17C756A Datasheet - Page 224

• Manufacturer Part Number: PIC17C756A
• Description: High-Performance 8-bit CMOS EPROM Microcontrollers with 10-bit A/D
• Manufacturer: MICROCHIP [Microchip Technology]

PIC17C7XX
RRNCF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example 1:
Example 2:
DS30289B-page 224
Before Instruction
After Instruction
Before Instruction
After Instruction
Decode
WREG
REG
WREG
REG
WREG
REG
WREG
REG
Q1
=
=
=
=
=
=
=
=
register ’f’
Rotate Right f (no carry)
[ label ]
0
d
f<n>
f<0>
None
The contents of register ’f’ are rotated
one bit to the right. If ’d’ is 0, the result is
placed in WREG. If ’d’ is 1, the result is
placed back in register ’f’.
1
1
RRNCF
RRNCF
Read
0010
Q2
?
1101 0111
0
1110 1011
?
1101 0111
1110 1011
1101 0111
f
[0,1]
255
d<n-1>;
d<7>
REG, 1
REG, 0
RRNCF f,d
000d
Process
Data
Q3
register f
ffff
destination
Write to
Q4
ffff
SETF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example1:
Example2:
Before Instruction
After Instruction
Before Instruction
After Instruction
Decode
REG
WREG
REG
WREG
REG
WREG
REG
WREG
Q1
=
=
=
=
=
=
=
=
register ’f’
SETF
Set f
[ label ]
0
s
FFh
FFh
None
If ’s’ is 0, both the data memory location
’f’ and WREG are set to FFh. If ’s’ is 1,
only the data memory location ’f’ is set
to FFh.
1
1
SETF
Read
0010
Q2
0xDA
0x05
0xFF
0xFF
0xDA
0x05
0xFF
0x05
f
[0,1]
2000 Microchip Technology Inc.
255
f;
d
REG, 1
REG, 0
SETF f,s
101s
Process
Data
Q3
ffff
register ’f’
and other
specified
register
Write
Q4
ffff