PIC16F688

Manufacturer Part NumberPIC16F688
ManufacturerMicrochip Technology Inc.
PIC16F688 datasheet
 


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SUBWF
Subtract W from f
Syntax:
[ label ] SUBWF f,d
0 ≤ f ≤ 127
Operands:
d ∈ [0,1]
(f) - (W) → (destination)
Operation:
Status Affected: C, DC, Z
Description:
Subtract (2’s complement method)
W register from register ‘f’. If ‘d’ is
‘0’, the result is stored in the W
register. If ‘d’ is ‘1’, the result is
stored back in register ‘f.
W > f
C = 0
W ≤ f
C = 1
W<3:0> > f<3:0>
DC = 0
W<3:0> ≤ f<3:0>
DC = 1
SWAPF
Swap Nibbles in f
Syntax:
[ label ] SWAPF f,d
0 ≤ f ≤ 127
Operands:
d ∈ [0,1]
(f<3:0>) → (destination<7:4>),
Operation:
(f<7:4>) → (destination<3:0>)
Status Affected:
None
Description:
The upper and lower nibbles of
register ‘f’ are exchanged. If ‘d’ is
‘0’, the result is placed in the W
register. If ‘d’ is ‘1’, the result is
placed in register ‘f’.
© 2007 Microchip Technology Inc.
PIC16F688
XORLW
Exclusive OR literal with W
Syntax:
[ label ] XORLW k
0 ≤ k ≤ 255
Operands:
(W) .XOR. k → (W)
Operation:
Status Affected:
Z
Description:
The contents of the W register
are XOR’ed with the eight-bit
literal ‘k’. The result is placed in
the W register.
XORWF
Exclusive OR W with f
Syntax:
[ label ] XORWF
0 ≤ f ≤ 127
Operands:
d ∈ [0,1]
(W) .XOR. (f) → (destination)
Operation:
Status Affected:
Z
Description:
Exclusive OR the contents of the
W register with register ‘f’. If ‘d’ is
‘0’, the result is stored in the W
register. If ‘d’ is ‘1’, the result is
stored back in register ‘f’.
DS41203D-page 137
f,d