source=
http://www.piclist.com/postbot.asp?id=piclist\2002\02\01\200323a

; ACC = ACC * 0.00392157
; Temp = TEMP
; ACC size = 16 bits
; Error = 0.1 %
; Bytes order = little endian
; Round = no

; ALGORITHM:
; Clear accumulator
; Add input / 256 to accumulator
; Add input / 65536 to accumulator
; Move accumulator to result
;
; Approximated constant: 0.00392151, Error: 0.00152588 %

;     Input: ACC0 .. ACC1, 16 bits
;    Output: ACC0 .. ACC1, 9 bits
; Code size: 15 instructions

cblock
ACC0
ACC1
TEMP0
TEMP1
endc

;copy accumulator to temporary
movf ACC1, w
movwf TEMP1
movf ACC0, w
movwf TEMP0


;shift accumulator right 8 times
movf ACC1, w
movwf ACC0

;add temporary to accumulator
clrf ACC1
movf TEMP0, w
addwf ACC0, f
movf TEMP1, w
skpnc
incfsz TEMP1, w
addwf ACC1, f

;shift accumulator right 8 times
movf ACC1, w
movwf ACC0


; Generated by www.piclist.com/cgi-bin/constdivmul.exe (November
17, 2000 version)
; Sun Feb 03 23:18:44 2002 GMT


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