PIC16F688

Manufacturer Part NumberPIC16F688
ManufacturerMicrochip Technology Inc.
PIC16F688 datasheet
 


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Page 133/202:

Instruction Descriptions

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12.2

Instruction Descriptions

ADDLW
Add literal and W
Syntax:
[ label ] ADDLW
0 ≤ k ≤ 255
Operands:
(W) + k → (W)
Operation:
Status Affected:
C, DC, Z
Description:
The contents of the W register
are added to the eight-bit literal ‘k’
and the result is placed in the
W register.
ADDWF
Add W and f
Syntax:
[ label ] ADDWF
0 ≤ f ≤ 127
Operands:
d ∈ [0,1]
(W) + (f) → (destination)
Operation:
Status Affected:
C, DC, Z
Description:
Add 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’.
ANDLW
AND literal with W
Syntax:
[ label ] ANDLW
0 ≤ k ≤ 255
Operands:
(W) .AND. (k) → (W)
Operation:
Status Affected:
Z
Description:
The contents of W register are
AND’ed with the eight-bit literal
‘k’. The result is placed in the W
register.
ANDWF
AND W with f
Syntax:
[ label ] ANDWF
0 ≤ f ≤ 127
Operands:
d ∈ [0,1]
(W) .AND. (f) → (destination)
Operation:
Status Affected:
Z
Description:
AND 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’.
© 2007 Microchip Technology Inc.
BCF
Syntax:
k
Operands:
Operation:
Status Affected:
Description:
BSF
Syntax:
f,d
Operands:
Operation:
Status Affected:
Description:
BTFSC
Syntax:
k
Operands:
Operation:
Status Affected:
Description:
f,d
PIC16F688
Bit Clear f
[ label ] BCF
f,b
0 ≤ f ≤ 127
0 ≤ b ≤ 7
0 → (f<b>)
None
Bit ‘b’ in register ‘f’ is cleared.
Bit Set f
[ label ] BSF
f,b
0 ≤ f ≤ 127
0 ≤ b ≤ 7
1 → (f<b>)
None
Bit ‘b’ in register ‘f’ is set.
Bit Test f, Skip if Clear
[ label ] BTFSC f,b
0 ≤ f ≤ 127
0 ≤ b ≤ 7
skip if (f<b>) = 0
None
If bit ‘b’ in register ‘f’ is ‘1’, the next
instruction is executed.
If bit ‘b’, in register ‘f’, is ‘0’, the
next instruction is discarded, and
a NOP is executed instead, making
this a two-cycle instruction.
DS41203D-page 131