Re: [cc65-devel] ONCE segment now compulsory for asm?

[Oliver S. <ol...@we...>]

Hi Stefan,

cl65 -tc64 main.asm -o main.c64
> ld65: Warning: D:\Users\swessels\cc65\cfg/c64.cfg(40): Segment `STARTUP'
> does not exist
> ld65: Warning: D:\Users\swessels\cc65\cfg/c64.cfg(40): Segment `ZPSAVE'
> does not exist
>
> produces a working main.c64 with a basic stub (sys 2061).  I am a bit
> surprised that the basic stub was added without me specifying anything such
> as .autoimport or a startup segment, but in this case, it's actually what I
> want and nice and user friendly.
>

Hm, I'd say that the the two warning are already a pretty clear sign that
you are using cc65 in the "wrong" way.


> cl65 -tc64 main.asm -o main.c64
> ld65: Warning: d:\users\swessels\bin\cc65\cfg/c64.cfg(45): Segment
> `STARTUP' does not exist
> ld65: Warning: d:\users\swessels\bin\cc65\cfg/c64.cfg(45): Segment `INIT'
> does not exist
> ld65: Warning: d:\users\swessels\bin\cc65\cfg/c64.cfg(45): Segment `ONCE'
> does not exist
> ld65: Error: d:\users\swessels\bin\cc65\cfg/c64.cfg(15): Start address of
> memory area `BSS' is not constant
>

Yep. Was never expected to work and now happens to actually break.


> Perhaps the ONCE segment, or __ONCE_RUN__ could be inferred if it wasn't
> explicitly specified?
>

No. cl65 -t c65 <...> is to be used for C programs, not assembly programs.

Check out http://cc65.github.io/doc/c64.html#ss4.2

Regards,
Oliver