From 4e04e03142a4e43c208dcf62ca165ad3a05dcc96 Mon Sep 17 00:00:00 2001
From: qwx <devnull@localhost>
Date: Tue, 10 Jul 2018 23:26:17 +0200
Subject: [PATCH] midi: properly skip sysex messages

this fixes playing any midi files containing such messages
example: prince of persia midis from vgmpf wiki
---
 sys/src/games/midi.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sys/src/games/midi.c b/sys/src/games/midi.c
index 0b74bdc71..c6535219d 100644
--- a/sys/src/games/midi.c
+++ b/sys/src/games/midi.c
@@ -181,6 +181,11 @@ readevent(Tracker *src)
 		get16(src);
 		break;
 	case 0xF:
+		if((t & 0xF) == 0){
+			while(get8(src) != 0xF7)
+				;
+			return;
+		}
 		t = get8(src);
 		n = get8(src);
 		switch(t){