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PIC16F720_13 Datasheet, PDF (173/254 Pages) Microchip Technology – 20-Pin Flash Microcontrollers | |||
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21.2 Instruction Descriptions
ADDLW
Syntax:
Operands:
Operation:
Status Affected:
Description:
Add literal and W
[ label ] ADDLW k
0 ï£ k ï£ 255
(W) + k ï® (W)
C, DC, Z
The contents of the W register
are added to the eight-bit literal âkâ
and the result is placed in the
W register.
ADDWF
Syntax:
Operands:
Operation:
Status Affected:
Description:
Add W and f
[ label ] ADDWF f,d
0 ï£ f ï£ 127
d ïï ï0,1ï
(W) + (f) ï® (destination)
C, DC, Z
Add the contents of the W register
with register âfâ. If âdâ is â0â, the
result is stored in the W register. If
âdâ is â1â, the result is stored back
in register âfâ.
ANDLW
Syntax:
Operands:
Operation:
Status Affected:
Description:
AND literal with W
[ label ] ANDLW k
0 ï£ k ï£ 255
(W) .AND. (k) ï® (W)
Z
The contents of W register are
ANDâed with the eight-bit literal
âkâ. The result is placed in the W
register.
ANDWF
Syntax:
Operands:
Operation:
Status Affected:
Description:
AND W with f
[ label ] ANDWF f,d
0 ï£ f ï£ 127
d ïï ï0,1ï
(W) .AND. (f) ï® (destination)
Z
AND the W register with register
âfâ. If âdâ is â0â, the result is stored in
the W register. If âdâ is â1â, the
result is stored back in register âfâ.
PIC16(L)F720/721
BCF
Syntax:
Operands:
Operation:
Status Affected:
Description:
Bit Clear f
[ label ] BCF f,b
0 ï£ f ï£ 127
0ï£bï£7
0 ï® (f<b>)
None
Bit âbâ in register âfâ is cleared.
BSF
Syntax:
Operands:
Operation:
Status Affected:
Description:
Bit Set f
[ label ] BSF f,b
0 ï£ f ï£ 127
0ï£bï£7
1 ï® (f<b>)
None
Bit âbâ in register âfâ is set.
BTFSC
Bit Test f, Skip if Clear
Syntax:
Operands:
Operation:
Status Affected:
Description:
[ label ] BTFSC f,b
0 ï£ f ï£ 127
0ï£bï£7
skip if (f<b>) = 0
None
If bit âbâ in register âfâ is â1â, the next
instruction is executed.
If bit âbâ in register âfâ is â0â the next
instruction is discarded and a NOP
is executed instead, making this a
2-cycle instruction.
ï£ 2010-2013 Microchip Technology Inc.
DS41430D-page 173
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