1 files changed, 21 insertions, 2 deletions
diff --git a/backends/midi/seq.cpp b/backends/midi/seq.cpp
index b77ee579f2..0e6982e3ae 100644
--- a/backends/midi/seq.cpp
+++ b/backends/midi/seq.cpp
@@ -141,8 +141,8 @@ void MidiDriver_SEQ::sysEx (byte *msg, uint16 length) {
 	unsigned char buf [1024];
 	int position = 0;
 	byte *chr = msg;
-
-	// Should be we using EV_SYSEX instead of SEQ_MIDIPUTC?
+/*
+	// Should we be using EV_SYSEX instead of SEQ_MIDIPUTC?
 	// I'm not sure how to send EV_SYSEX.
 	buf[position++] = SEQ_MIDIPUTC;
 	buf[position++] = 0xFF;
@@ -158,6 +158,25 @@ void MidiDriver_SEQ::sysEx (byte *msg, uint16 length) {
 	buf[position++] = 0xF7;
 	buf[position++] = _device_num;
 	buf[position++] = 0;
+*/
+	buf[position++] = EV_SYSEX;
+	buf[position++] = _device_num;
+	buf[position++] = 0xF0;
+	for (; length; --length, ++chr) {
+		if (position % 8 == 0) {
+			buf[position++] = EV_SYSEX;
+			buf[position++] = _device_num;
+		}
+		buf[position++] = *chr & 0x7F;
+	}
+	if (position % 8 == 0) {
+		buf[position++] = EV_SYSEX;
+		buf[position++] = _device_num;
+	}
+	buf[position++] = 0xF7;
+	while (position % 8 != 0)
+		buf[position++] = 0;
+
 	write (device, buf, position);
 }