TH04's z_super_roll_put_tiny_32x32(), which this is based on, had
checks for not writing empty rows to VRAM. Why would ZUN remove them
here?
Completes P0086, funded by [Anonymous] and Blue Bolt.
Adding op/, main/, and end/ directories does nicely cover a great
majority of the "not really further classifiable slices" implied in
d56bd45.
Part of P0086, funded by [Anonymous] and Blue Bolt.