diff --git a/src/asm/68k/amigatest/README.md b/src/asm/68k/amigatest/README.md
index 10af4a3b..300928a8 100644
--- a/src/asm/68k/amigatest/README.md
+++ b/src/asm/68k/amigatest/README.md
@@ -14,7 +14,7 @@ iCannotWait=1
 
 go to file > export Amiga validation data...
 
-put sample.bin, seq.bin and wave.bin in this directory.
+put sample.bin, sbook.bin, seq.bin, wave.bin and wbook.bin in this directory.
 
 type `make`. you need vasm (68000 with Mot syntax) in order for it to work.
 alternatively, type:
@@ -25,6 +25,11 @@ vasmm68k_mot -Fhunkexe -kick1hunks -nosym -o player player.s
 
 run `player` on Amiga. it should play the exported song.
 
+# notes
+
+may not work correctly if you have slow/fast memory!
+sequence and wave data should reside in fast memory but I haven't figured out how to...
+
 # sequence format
 
 ## 00-0F: per-channel (00, 10, 20, 30)
diff --git a/src/asm/68k/amigatest/player.s b/src/asm/68k/amigatest/player.s
index 42396ebf..94a2c05e 100644
--- a/src/asm/68k/amigatest/player.s
+++ b/src/asm/68k/amigatest/player.s
@@ -1,8 +1,6 @@
 ; Furnace validation player code
 ; this is NOT the ROM export you're looking for!
 
-; incomplete!
-
 VPOSR = $dff004
 VHPOSR = $dff006
 COLOR00 = $dff180