PIC17C756A MICROCHIP [Microchip Technology], PIC17C756A Datasheet - Page 223

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

RLNCF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
2000 Microchip Technology Inc.
Before Instruction
After Instruction
Decode
C
REG
C
REG
Q1
=
=
=
=
register ’f’
Rotate Left f (no carry)
[ label ] RLNCF
0
d
f<n>
f<7>
None
The contents of register ’f’ are rotated
one bit to the left. If ’d’ is 0, the result is
placed in WREG. If ’d’ is 1, the result is
stored back in register ’f’.
1
1
RLNCF
Read
Q2
0010
0
1110 1011
1101 0111
f
[0,1]
255
d<n+1>;
d<0>
001d
Process
Data
Q3
REG, 1
register f
f,d
ffff
destination
Write to
Q4
ffff
RRCF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
Before Instruction
After Instruction
Decode
REG1
C
REG1
WREG
C
Q1
=
=
=
=
=
register ’f’
Rotate Right f through Carry
[ label ]
0
d
f<n>
f<0>
C
C
The contents of register ’f’ are rotated
one bit to the right through the Carry
Flag. If ’d’ is 0, the result is placed in
WREG. If ’d’ is 1, the result is placed
back in register ’f’.
1
1
RRCF REG1,0
Read
0001
Q2
1110 0110
0
1110 0110
0111 0011
0
f
[0,1]
PIC17C7XX
d<7>
C
255
d<n-1>;
C;
RRCF f,d
100d
Process
Data
register f
Q3
DS30289B-page 223
ffff
destination
Write to
Q4
ffff