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ADDWF file,0
Add W and f (result
stored in W) e.g:
ADDWF 0C,0
ADDWF file,1
Add W and f (result
stored in f)
e.g: ADDWF 0C,1
ANDLW 00 to FF AND
Literal with W
e.g: ANDLW 40h
ANDWF file,0
AND W with f (result
stored in W)
e.g: ANDWF 0C,0
ANDWF file,1
AND W with f (result
stored in f)
e.g: ANDWF 0C,1
BCF file,bit
Bit Clear
f
bit0 to bit7 i.e: 0 to 7 e.g: BCF 1E,7
BSF file,bit
Bit Set
f
bit0 to bit7 i.e: 0 to 7 e.g: BSF 1F,3
BTFSC file,bit
Bit Test, Skip if Clear "
" " "
e.g: BTFSC 1A,5
BTFSS file,bit
Bit Test, Skip if Set " "
"
" e.g: BTFSS 1B,6
CALL label
Call Subroutine (range:00to3FF) e.g: CALL Tone1
CLRF file
Clear f e.g: CLRF 1A
CLRW
Clear W = CLRW
CLRWDT
Clear Watchdog Timer = CLRWDT
COMF file,0
Complement f (result
stored in W) e.g: COMF 0C,0
COMF file,1
Complement f (result
stored in f) e.g: COMF 0C,1
DECF file,0
Decrement f (result
stored in W) e.g: DECF 0D,0
DECF file,1
Decrement f (result
stored in f) e.g: DECF 0D,1
DECFSZ file,0
Decrement f, Skip if 0
(result in W) e.g: DECFSZ 1A,0
DECFSZ file,1
Decrement f, Skip if 0
(result in f) e.g: DECFSZ 1A,1 - this
is the instruction to use!
GOTO label
Unconditional Branch
(range: 000 to 3FF) e.g: GOTO Tone2
IN
Read the input port: see BTFSS 05,0 or BTFSS 06,0 etc for an input-line or MOVF
05,0 MOVF 06,0
INCF file,0
Increment f (result
stored in W)
e.g: INCF 1A,0
INCF file,1
Increment f (result
stored in f)
e.g: INCF 1A,1
INCFSZ file,0
Increment f, Skip
if 0 (result in W) e.g: INCFSZ 1A,0
INCFSZ file,1
Increment f, Skip
if 0 (result in f) e.g: INCFSZ 1A,1
IORLW 00 to FF
Inclusive OR Literal with W
e.g: IORLW 20h
IORWF file,0
Inclusive OR W with f
(result in W)
e.g: IORWF 0D,0
IORWF file,1
Inclusive OR W with f
(result stored in f)
e.g: IORWF 0D,1
LOAD
Load a file. Use: MOVLW XX then MOVWF 1C
(or any other file)
MOVLW 00 to FF Move Literal
to W Load W with a number e.g: MOVLW 80h
MOVF file,0
Move f (result in
W) Copy F into W e.g: MOVF 0E,0
MOVF file,1
Move f (result in f) Move
F in and out of F - does not put F into W e.g: MOVF 0E,1
MOVWF file
Move W to
f Copy W to F e.g: MOVWF
0C
NOP
No Operation = NOP
OPTION
Load OPTION Register = OPTION
OR
see IORWF etc. above
OUT
to turn on an output. Use: BSF 05,0 BSF 06,0 etc or MOVF 1C,0 then MOVWF 06
READ
to
Read an input line. Use: BTFSS 06,0 or BTFSS 06,1 or BTFSS 06,2 etc
RETLW 00 to FF
Return
with Literal in W e.g: RETLW 80h
RETURN Return from Subroutine
= RETURN
RLF file,0
Rotate Left f through
Carry (result in W) Doubles the value *
e.g: RLF 1C,0
RLF file,1
Rotate Left f through
Carry (result in f) "
" "
* e.g: RLF 1C,1
RRF file,0
Rotate Right f through Carry
(result in W) Halves the value * e.g: RRF
1D,0
RRF file,1
Rotate Right f through Carry
(result in f) "
" "
* e.g: RRF 1D,1
SLEEP
Sleep
= SLEEP
SUBLW
00 to FF
Subtract W
from Literal NOT subtract literal from W
e.g: SUBWF 40h
SUBWF file,0
Subtract W from f (result
stored in W) e.g: SUBWF 0E,0
SUBWF file,1
Subtract W from f (result
stored in f) e.g: SUBWF 0E,1
SWAPF file,0
Swap Nibbles in f (result
stored in W) e.g: SWAPF 0C,0
SWAPF file,1
Swap Nibbles in f (result
stored in f) e.g: SWAPF 0C,1
TRIS
05h
Load TRISA
file from
W register. Alternative: MOVLW XX then MOVWF 05. **
(PortA - 5 lines)
TRIS 06h
Load TRISB
file from
W register. Alternative: MOVLW XX then MOVWF 06 **
(PortB - 8 lines)
XORLW 00 to FF Exclusive OR
Literal with W e.g: XORLW 40h
XORWF file,0
Exclusive OR W with f
(result in W) e.g: XORWF 0C,0
XORWF file,1
Exclusive OR W with f
(result in f) e.g: XORWF 0C,1
* must clear carry before RLF or RRF if file is read .
For RLF the value is doubled. For RRF the value is halved.
** must use BSF 03,5
before TRIS
for the two
alternate
instructions and BCF 03,5 after the two
instructions to
get into "Bank 1" where the in/out control file for the two ports is
located. Use TRIS 06 for PIC12c508A
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