diff --git a/GEMINIFM.SRC b/GEMINIFM.SRC
index d600df4..c8e3fa4 100644
--- a/GEMINIFM.SRC
+++ b/GEMINIFM.SRC
@@ -642,6 +642,12 @@ BEGIN
 	BYTE OPM_NOTE;
 	BYTE OPM_OCTAVE;
 	
+	BYTE OPM0_INST;
+	BYTE OPM1_INST;
+	BYTE OPM2_INST;
+	BYTE OPM3_INST;
+	BYTE OPM4_INST;
+	BYTE OPM5_INST;
 	
 	{----------------------------------------------------------}
 	{-- FIRST WE SEARCH FOR A YAMAHA SFG DEVICE IN ALL SLOTS --}
@@ -847,10 +853,10 @@ BEGIN
 	OD;
 	CLOSE INFILE;
 	
-	DISPLAY "SONG DATA START ADDRESS:";
+	DISPLAY "DATA START ADDRESS:";
 	CONVERT GEMINI_COMMAND_POINTER TO HEX STR_OUT;
 	DISPLAY STR_OUT;
-	DISPLAY "SONG DATA END ADDRESS:"
+	DISPLAY "DATA END ADDRESS:";
 	CONVERT SONG_LOAD_POINTER TO HEX STR_OUT;
 	DISPLAY STR_OUT;
 	MOVE 1 TO GEMINI_NOT_PAUSED;
@@ -912,12 +918,13 @@ BEGIN
 								^h04: CALL SUB_SET_LOOP;
 								^h0F: 	BEGIN
 											MOVE 0 TO GEMINI_NOT_PAUSED;
+											MCALL BIOS_ENASLT USING ,,^b0100000000000000,3;
 											EXIT; 
 										END;
 								^h10 - ^h16: CALL SUB_OPM_NOTE_ON;
 								^h20 - ^h25: CALL SUB_OPM_SET_INSTRUMENT;
-								{--^h30 - ^h3A: CALL SUB_OPM_SET_VOLUME;
-								{--^h40 - ^h46: CALL SUB_OPM_SET_DETUNE;
+								^h30 - ^h3A: CALL SUB_OPM_SET_VOLUME;
+								^h40 - ^h46: CALL SUB_OPM_SET_DETUNE;
 							ENDSWITCH;
 							
 							
@@ -1097,7 +1104,8 @@ BEGIN
 				11: MOVE OPLL_FNUM_B TO @OPLL_FNUM;
 			ENDSWITCH;
 			MOVE @OPLL_FNUM TO OPLL_DATA_OUT;
-			SUBTRACT @OPLL_DETUNE FROM OPLL_DATA_OUT;
+			{--SUBTRACT @OPLL_DETUNE FROM OPLL_DATA_OUT;
+			ADD @OPLL_DETUNE TO OPLL_DATA_OUT;
 			MOVE OPLL_FNUM_BASE TO OPLL_REG_OUT;
 			ADD GEMINI_COMMAND_BYTECODE TO OPLL_REG_OUT;
 			CALL SUB_OPLL_WRITE;
@@ -1198,6 +1206,12 @@ BEGIN
 	EXIT;	
 	
 	SUB_OPM_SET_INSTRUMENT:
+		MOVE GEMINI_COMMAND_BYTECODE TO OPM_INST_POINTER;
+		SUBTRACT ^h20 FROM OPM_INST_POINTER;
+		ADD #OPM0_INST TO OPM_INST_POINTER;
+		MOVE GEMINI_COMMAND_DATA TO @OPM_INST_POINTER;
+	
+	
 		SWITCH ON GEMINI_COMMAND_DATA:
 			^h00: MOVE #OPM_IF_20 TO OPM_INST_POINTER;
 			^h01: MOVE #OPM_I0_20 TO OPM_INST_POINTER;
@@ -1303,6 +1317,66 @@ BEGIN
 		CALL SUB_OPM_WRITE;
 	EXIT;
 	
+	SUB_OPM_SET_DETUNE:
+		MOVE GEMINI_COMMAND_BYTECODE TO OPM_REG_OUT;
+		SUBTRACT ^h10 FROM OPM_REG_OUT;
+		
+		MOVE GEMINI_COMMAND_DATA TO OPM_DATA_OUT;
+		
+		{--TODO THIS IS A DUMB HACK
+		MULTIPLY OPM_DATA_OUT BY ^h10;
+		
+		CALL SUB_OPM_WRITE;
+		
+		
+	EXIT;
+	
+	SUB_OPM_SET_VOLUME:
+		{-- TODO OPM DRUMS
+		IF GEMINI_COMMAND_BYTECODE > ^h35 THEN
+			CALL SUB_OPLL_SET_VOLUME;
+			EXIT;
+		FI;
+		
+		SUBTRACT ^h30 FROM GEMINI_COMMAND_BYTECODE;
+		MOVE GEMINI_COMMAND_BYTECODE TO OPM_INST_POINTER;
+		ADD #OPM0_INST TO OPM_INST_POINTER;
+		
+		SWITCH ON GEMINI_COMMAND_DATA:
+			^hF: MOVE 20 TO OPM_DATA_OUT;
+			^hE: MOVE 27 TO OPM_DATA_OUT;
+			^hD: MOVE 34 TO OPM_DATA_OUT;
+			^hC: MOVE 41 TO OPM_DATA_OUT;
+			^hB: MOVE 48 TO OPM_DATA_OUT;
+			^hA: MOVE 55 TO OPM_DATA_OUT;
+			^h9: MOVE 62 TO OPM_DATA_OUT;
+			^h8: MOVE 69 TO OPM_DATA_OUT;
+			^h7: MOVE 76 TO OPM_DATA_OUT;
+			^h6: MOVE 83 TO OPM_DATA_OUT;
+			^h5: MOVE 90 TO OPM_DATA_OUT;
+			^h4: MOVE 97 TO OPM_DATA_OUT;
+			^h3: MOVE 104 TO OPM_DATA_OUT;
+			^h2: MOVE 111 TO OPM_DATA_OUT;
+			^h1: MOVE 118 TO OPM_DATA_OUT;
+			^h0: MOVE 127 TO OPM_DATA_OUT;
+			
+		ENDSWITCH;
+		
+		{-- TODO RETURN TO THIS ONCE ALTERNATE VOICES ARE IMPLEMENTED
+		
+		MOVE GEMINI_COMMAND_BYTECODE TO OPM_REG_OUT;
+		ADD OPM_OP4VOL_BASE TO OPM_REG_OUT;
+		CALL SUB_OPM_WRITE;
+		
+		IF @OPM_INST_POINTER <> 10 THEN
+			MOVE GEMINI_COMMAND_BYTECODE TO OPM_REG_OUT;
+			ADD OPM_OP3VOL_BASE TO OPM_REG_OUT;
+			CALL SUB_OPM_WRITE;
+		FI;
+		
+		
+	EXIT;
+	
 	SUB_OPM_WRITE:
 		{--CONVERT OPM_REG_OUT TO HEX STR_OUT;
 		{--DISPLAY "WRITING ", STR_OUT, " TO 7FF0";