* Games which writes to ROM
Ping Pong -> but does not affect to sound this
Enduro Racer. Due to Speedlock?? No sound because of this

Games with strange sound due to out XXFEH 

Ping Pong
Hysteria


* Games with no sound or 1-channel sound (on 2-channel) due to bit 3&4 to out 254

The way of the exploding fist (no sound)
ATV (1 channel)
Lemmings (menu) (1 channel)
Renegade: no sound on game (kicks, jumps, etc) but music does work


* Games not working due to not having floating bus port
Arkanoid, Short Circuit 1,2, Cobra

* Games working bad to not having floating bus port
Renegade: plays slow, game hangs after losing one life

* Games that flicker due to start of scanline
Taipai
