|
Field
|
Description
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|
Register Files
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|
dest
|
Destination either the WREG register or the specified register file location. See d.
|
|
f
|
Register file address (5-bit, 7-bit or 8-bit).
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|
p
|
Peripheral register file address (5-bit).
|
|
r
|
Port for TRIS.
|
|
x
|
Don't care (`0' or `1').
The assembler will generate code with x = 0. It is the recommended form of use for compatibility
with all Microchip software tools.
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|
Literals
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|
k
|
Literal field, constant data or label.
k 4-bit.
kk 8-bit.
kkk 12-bit.
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|
Bits
|
|
b
|
Bit address within an 8-bit file register (0 to 7).
|
|
d
|
Destination select bit.
d = 0: store result in WREG
d = 1: store result in file register f (default)
|
|
i
|
Table pointer control.
i = 0: do not change.
i = 1: increment after instruciton execution.
|
|
s
|
Destination select bit.
s = 0: store result in file register f and WREG
s = 1: store result in file register f (default)
|
|
t
|
Table byte select.
t = 0: perform operation on lower byte.
t = 1: perform operation on upper byte.
|
|
' '
|
Bit values, as opposed to Hex value.
|
|
Named Registers
|
|
BSR
|
Bank Select Register. Used to select the current RAM bank.
|
|
OPTION
|
OPTION Register.
|
|
PCL
|
Program Counter Low Byte.
|
|
PCH
|
Program Counter High Byte.
|
|
PCLATH
|
Program Counter High Byte Latch.
|
|
PCLATU
|
Program Counter Upper Byte Latch.
|
|
PRODH
|
Product of Multiply High Byte.
|
|
PRODL
|
Product of Multiply Low Byte.
|
|
TBLATH
|
Table Latch (TBLAT) High Byte.
|
|
TBLATL
|
Table Latch (TBLAT) Low Byte.
|
|
TBLPTR
|
16-bit Table Pointer (TBLPTRH:TBLPTRL). Points to a Program Memory location.
|
|
WREG
|
Working register (accumulator).
|
|
Named Bits
|
|
C, DC, Z, OV, N
|
ALU Status bits: Carry, Digit Carry, Zero, Overflow, Negative.
|
|
TO
|
Time-out bit.
|
|
PD
|
Power-down bit.
|
|
GIE
|
Global Interrupt Enable bit(s).
|
|
Named Device Features
|
|
PC
|
Program Counter.
|
|
TOS
|
Top-of-Stack.
|
|
WDT
|
Watchdog Timer.
|
|
Misc. Descriptors
|
|
( )
|
Contents.
|
|
→, ↔
|
Assigned to.
|
|
< >
|
Register bit field.
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