to quote big10p...
OK, that ran in debug because running in debug uses a window that can be set to strange sizes like 522x403, however, without debug on that will run in fullscreen and modes like 522x403 aren't supported!
OK, that ran in debug because running in debug uses a window that can be set to strange sizes like 522x403, however, without debug on that will run in fullscreen and modes like 522x403 aren't supported!