diff --git a/projects/examples/devices/audio-tests.tal b/projects/examples/devices/audio-tests.tal
index 84c9dc2..caac352 100644
--- a/projects/examples/devices/audio-tests.tal
+++ b/projects/examples/devices/audio-tests.tal
@@ -1,6 +1,6 @@
 ( dev/audio-tests )
 
-%GET-NOTE { #00 SWP ;melody ADD2 LDA #80 ORA }
+%GET-NOTE { #00 SWP ;melody ADD2 LDA }
 
 ( devices )
 
@@ -68,7 +68,7 @@ BRK
 BRK
 
 @play-kick ( -> )
-	#3c     .Audio0/pitch    DEO
+	#3c #80 ORA .Audio0/pitch    DEO
 BRK
 
 @on-audio1 ( -> )
diff --git a/src/devices/audio.c b/src/devices/audio.c
index a2d4428..ea14ee0 100644
--- a/src/devices/audio.c
+++ b/src/devices/audio.c
@@ -276,7 +276,7 @@ audio_handler(void *ctx, Uint8 *out_stream, int len) {
         }
     }
     int i;
-    for (i = 0; i < len; i++) {
+    for (i = 0; i < len / 2; i++) {
         stream[i] <<= 4;
     }
 }
@@ -292,7 +292,7 @@ audio_start(int idx, Uint8 *d, Uxn *u)
         Uint8 *data = &u->ram[addr];
         Uint16 len = PEEK2(d + 0xa);
         Uint8 volume = d[0xe];
-        bool loop = !!(d[0xf] & 0x80);
+        bool loop = !(d[0xf] & 0x80);
         Uint8 pitch = d[0xf] & 0x7f;
         Uint16 adsr = PEEK2(d + 0x8);
         Uint8 attack = (adsr >> 12) & 0xF;