Lynx: sample looping

src/engine/platform/lynx.cpp

@@ -157,8 +157,13 @@ void DivPlatformLynx::acquire(short* bufL, short* bufR, size_t start, size_t len
             } else {
               WRITE_OUTPUT(i,(s->data8[chan[i].samplePos++]*chan[i].outVol)>>7);
             }
+
             if (chan[i].samplePos>=(int)s->samples) {
-              chan[i].sample=-1;
+              if (s->loopStart>=0 && s->loopStart<(int)s->samples) {
+                chan[i].samplePos=s->loopStart;
+              } else {
+                chan[i].sample=-1;
+              }
             }
           }
         }