> ALL_CAPS    is used for defines, EQU, macros, and constants
> First_cap   is used for function names, something with a return at the
> end
> all_lower   is for simple labels for close by GOTOs in side of
> functions.
> Underscore_at_end_   is for any function in PAGE1 rather than PAGE0.  I
>                      have not had to use a larger chip, so I don't have
>                      anything for PAGE2 or PAGE3.
> underscore_at_end    as above, but not a function call, just for GOTOs.
> ;label_comment   I do this when a branch falls through and a labels

I personally prefer caps for code labels and MChip-defined I/O designators
(e.g. PORTA); FirstCase for most data labels, _LEADING_UNDERSCORE for code
branch tables, and for other bizarre constructs, whatever I come up with...

I've not decided whether I prefer my first tab stop at column 9 or 17, and
my code unfortunately reflects this (if I import a piece of code from another
app I've written, I'll often have to adjust it); the opcode field begins 8
columns later, and the comments go in column 41 or 49.  One other thing I
do, which I find helps code readability a LOT, is to indent by one space the
opcode for any instruction which may be conditionally skipped:

        movf    Foo,w
        btfss   Z
         clrf   Bar
        iorwf   Bar,f
        etc.

When using double-conditionals [e.g. if I want Bar to be clear if bit Foo,0
or Foo,1 is set]:

        btfss   Foo,0
         btfsc  Foo,1
         clrf   Bar

the indent is a little less than clear, but note that I do not add a second
level of indent; if I did, it would appear that skipping the first instruct-
ion would imply skipping the second when in fact the reverse is true.  Of
course, some might argue against such constructs altogether, but I know of no
other good way to, e.g., perform an add-with-carry that produces a meaningful
carry out:

        movf    Source,w
        btfsc   C
         incfsz Source,w
         addwf  Dest,f

[does anyone know who invented that ingenious piece of code?  They should
win an award or something...]