Mike Pumford wrote:

> Ben Harris wrote:

> Getting closer. Output is still wrong but definately jumps around a lot 
> less with this change so this is one issue resolved. I'll have some time 
> to dig at this tomorrow. I'll let you know how I get on.
> 
I think I've figured it out. The old code allowed for non-zero border 
sizes but your current implementation always sets the borders to 0. This 
is fine for 640x480 but some border is needed for 1024x768 to work. I'm 
working on an appropriate fix.

Mike