// bits LSb->MSb:\r
// enable_ym2612&dac, enable_sn76496, enable_z80, stereo_sound;\r
// alt_renderer, 6button_gamepad, accurate_timing, accurate_sprites\r
// bits LSb->MSb:\r
// enable_ym2612&dac, enable_sn76496, enable_z80, stereo_sound;\r
// alt_renderer, 6button_gamepad, accurate_timing, accurate_sprites\r