2 files changed, 2 insertions, 2 deletions
diff --git a/sound/mods/tfmx.cpp b/sound/mods/tfmx.cpp
index a43e330908..7272848ae1 100644
--- a/sound/mods/tfmx.cpp
+++ b/sound/mods/tfmx.cpp
@@ -211,7 +211,7 @@ FORCEINLINE bool Tfmx::macroStep(ChannelContext &channel) {
 	case 0x13:	// DMA Off. Parameters:  deferWait, addset, vol
 		// TODO: implement PArameters
 		Paula::disableChannel(channel.paulaChannel);
-		channel.deferWait = macroPtr[1] >= 1;
+		channel.deferWait = (macroPtr[1] != 0);
 		if (channel.deferWait) {
 			// if set, then we expect a DMA On in the same tick.
 			channel.period = 4;
diff --git a/sound/mods/tfmx.h b/sound/mods/tfmx.h
index 37c71e8b38..bcb25fbf8b 100644
--- a/sound/mods/tfmx.h
+++ b/sound/mods/tfmx.h
@@ -144,7 +144,7 @@ public:
 		uint8	relVol;
 		uint8	note;
 		uint8	prevNote;
-		int16	fineTune;
+		int16	fineTune; // always a signextended byte
 
 		uint8	portaSkip;
 		uint8	portaCount;