PIC17C42 Microchip Technology, PIC17C42 Datasheet - Page 133

• Manufacturer Part Number: PIC17C42
• Description: High-Performance 8-Bit CMOS EPROM/ROM Microcontroller
• Manufacturer: Microchip Technology

RLNCF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
1996 Microchip Technology Inc.
Before Instruction
After Instruction
Decode
C
REG
C
REG
Q1
=
=
=
=
register 'f'
d
f<7>
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'.
RLNCF
Rotate Left f (no carry)
[ label ] RLNCF
0
f<n>
None
1
1
Read
Q2
0010
0
1110 1011
1101 0111
f
[0,1]
255
d<n+1>;
d<0>
001d
Execute
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
Read
0001
Q2
1110 0110
0
1110 0110
0111 0011
0
f
[0,1]
d<7>
C
255
d<n-1>;
C;
PIC17C4X
RRCF f,d
100d
Execute
register f
Q3
DS30412C-page 133
REG1,0
ffff
destination
Write to
Q4
ffff