added 'wave.u29' to thegladpcb set, this is used for the Japanese music and seems exclusive to the PCB version.  I guess all PCBs were Japan and all carts were non-Japan.

also at this point I think we can put it in the whastnew so as a formality..

NEW WORKING GAME
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The Gladiator / Road of the Sword / Shen Jian [David Haywood, rtw]