Re: [cc65] Porting cc65 to embedded system that has no OS, boot ROM or monitor

On Thu, 2004-09-23 at 17:49, Ullrich von Bassewitz wrote:
> A segment cannot have a size attribute. The error is caused because the linker
> tries to place the zeropage at $0 into the RAM, but because you did already
> place other stuff into this memory area, $0 is already taken. To solve this,
> the zeropage segment should go into its own RAM area. And I do assume that you
> don't want to use the CPU stack at $100 to be used for your program. So the
> following config would be better:
> 
Thanks for that, my knowledge of the 6502 has been gained from reading
the data sheets and the sorce code found in cc65 and other places on the
Net.

> MEMORY {
>     ZP: start = $0, size = $100, type = rw, define = yes;
>     RAM: start = $200, size = $1E00, define = yes;
	<...snip...>
It worked! the LEDs are blinking, albeit at 3kHz

This is a great project, I'm really surprised at how quickly I got this
board to boot.  Thanks again!

-- 
Ormund Williams <ormundw@panix.com>
ORMLAB

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