As KeiDash mentioned above - you need to move that call into the void main() immediately after the call to SysSetSystemFont()
It looks like you might have jumped in on my tutorial pages halfway through, I'll have a look at clearing up the page that talks about custom graphics - I don't claim them to be perfect, so always willing to make them better!
My github repo has source for most of my projects - Your Repositories (github.com)
Try looking at DDMR.NGP - that's a pretty basic implementation of a basic sprite system and movement.
It looks like you might have jumped in on my tutorial pages halfway through, I'll have a look at clearing up the page that talks about custom graphics - I don't claim them to be perfect, so always willing to make them better!
My github repo has source for most of my projects - Your Repositories (github.com)
Try looking at DDMR.NGP - that's a pretty basic implementation of a basic sprite system and movement.