Index: audio/libsidplay2/files/patch-libsidplay_src_xsid_xsid.h
===================================================================
--- /dev/null
+++ audio/libsidplay2/files/patch-libsidplay_src_xsid_xsid.h
@@ -0,0 +1,11 @@
+--- libsidplay/src/xsid/xsid.h.orig	2019-09-09 19:20:33 UTC
++++ libsidplay/src/xsid/xsid.h
+@@ -238,7 +238,7 @@ class XSID: public sidemu, private Event (private)
+     uint8_t             sidData0x18;
+     bool                _sidSamples;
+     int8_t              sampleOffset;
+-    static const int8_t sampleConvertTable[16];
++    static const uint8_t sampleConvertTable[16];
+     bool                wasRunning;
+ 
+ private:
Index: audio/libsidplay2/files/patch-libsidplay_src_xsid_xsid.cpp
===================================================================
--- /dev/null
+++ audio/libsidplay2/files/patch-libsidplay_src_xsid_xsid.cpp
@@ -0,0 +1,11 @@
+--- libsidplay/src/xsid/xsid.cpp.orig	2019-09-09 19:19:53 UTC
++++ libsidplay/src/xsid/xsid.cpp
+@@ -94,7 +94,7 @@ const int8_t XSID::sampleConvertTable[16] =
+     '\x08', '\x19', '\x2a', '\x3b', '\x4c', '\x5d', '\x6e', '\x7f'
+ };
+ */
+-const int8_t XSID::sampleConvertTable[16] =
++const uint8_t XSID::sampleConvertTable[16] =
+ {
+     '\x80', '\x94', '\xa9', '\xbc', '\xce', '\xe1', '\xf2', '\x03',
+     '\x1b', '\x2a', '\x3b', '\x49', '\x58', '\x66', '\x73', '\x7f'