#define ATARI_SWITCH_OVSC_SND6 (ATARI_SWITCH_SND6 << ATARI_SWITCH_OVSC_SHIFT)
#define ATARI_SWITCH_OVSC_SND7 (ATARI_SWITCH_SND7 << ATARI_SWITCH_OVSC_SHIFT)
#define ATARI_SWITCH_OVSC_MASK 0xffff0000
#define ATARI_SWITCH_OVSC_SND6 (ATARI_SWITCH_SND6 << ATARI_SWITCH_OVSC_SHIFT)
#define ATARI_SWITCH_OVSC_SND7 (ATARI_SWITCH_SND7 << ATARI_SWITCH_OVSC_SHIFT)
#define ATARI_SWITCH_OVSC_MASK 0xffff0000