--- np2/sound/psggen.h	2003/12/24 14:01:56	1.7
+++ np2/sound/psggen.h	2004/02/03 08:24:40	1.8
@@ -68,6 +68,7 @@ void psggen_initialize(UINT rate);
 void psggen_setvol(UINT vol);
 
 void psggen_reset(PSGGEN psg);
+void psggen_restore(PSGGEN psg);
 void psggen_setreg(PSGGEN psg, REG8 reg, REG8 val);
 REG8 psggen_getreg(PSGGEN psg, REG8 reg);
 void psggen_setpan(PSGGEN psg, UINT ch, REG8 pan);