diff --git a/dither4.s b/dither4.s
index e3cc121..5682f87 100644
--- a/dither4.s
+++ b/dither4.s
@@ -156,7 +156,7 @@ wait_loop:
 
 each_scanline:
     .macro audio_prep
-        ldy VCOUNT ; 4 cycles
+        ; Y is VCOUNT at entry
         lda (sample_ptr),y ; 5/6 cyc
         sta audiotemp ; 3 cyc
     .endmacro
@@ -225,9 +225,10 @@ each_scanline:
     inner_scanline
     audio_play_lo
     inner_scanline
-    audio_play_hi
+    ;audio_play_hi
 
     lda VCOUNT
+    tay ; save for audio lookup
     cmp #130 ;#130
     bne each_scanline
     audio_inc