PIC17C756A MICROCHIP [Microchip Technology], PIC17C756A Datasheet - Page 203

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

ADDWFC
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
2000 Microchip Technology Inc.
Before Instruction
After Instruction
Decode
Carry bit =
REG
WREG
Carry bit =
REG
WREG
Q1
=
=
=
=
register ’f’
ADD WREG and Carry bit to f
[ label ] ADDWFC
0
d
(WREG) + (f) + C
OV, C, DC, Z
Add WREG, the Carry Flag and data
memory location ’f’. If ’d’ is 0, the result is
placed in WREG. If ’d’ is 1, the result is
placed in data memory location ’f’.
1
1
ADDWFC
Read
Q2
0001
1
0x02
0x4D
0
0x02
0x50
f
[0,1]
255
000d
REG
Process
Data
Q3
0
ffff
(dest)
f,d
destination
Write to
Q4
ffff
ANDLW
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
Before Instruction
After Instruction
Decode
WREG
WREG
Q1
=
=
Read literal
And Literal with WREG
[ label ] ANDLW
0
(WREG) .AND. (k)
Z
The contents of WREG are AND’ed with
the 8-bit literal 'k'. The result is placed in
WREG.
1
1
ANDLW
1011
Q2
'k'
0xA3
0x03
k
PIC17C7XX
255
0101
0x5F
Process
Data
Q3
DS30289B-page 203
k
kkkk
(WREG)
Write to
WREG
Q4
kkkk