HCFG_AUTOMUTE
HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);
outl(HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);
outl(HCFG_LOCKTANKCACHE_MASK | HCFG_AUTOMUTE, emu->port + HCFG);
outl(HCFG_LOCKTANKCACHE_MASK | HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);