PLATINUM_FB_BANK_SIZE
off_t offset = PLATINUM_FB_BANK_SIZE;
total_vram += bank[i] * PLATINUM_FB_BANK_SIZE;
offset += PLATINUM_FB_BANK_SIZE;
bool one_bank = sc->sc_vram == PLATINUM_FB_BANK_SIZE;
#define PLATINUM_FB_MIN_SIZE (1 * PLATINUM_FB_BANK_SIZE)
#define PLATINUM_FB_MAX_SIZE (4 * PLATINUM_FB_BANK_SIZE)