Properly emulate extra TH transitions due to direction changes for 6-button controllers. Breaks Golden Axe II input the same as hardware with a 6-button controller

#ifndef PPM_H_
#define PPM_H_

void save_ppm(FILE *f, uint32_t *buffer, uint32_t width, uint32_t height, uint32_t pitch);

#endif //PPM_H_