diff --git a/res/DEMO/WAVY.NAVY b/res/DEMO/WAVY.NAVY
index 78c2ebb33..cd567893b 100644
Binary files a/res/DEMO/WAVY.NAVY and b/res/DEMO/WAVY.NAVY differ
diff --git a/res/DEMO/WAVY.NAVY.1 b/res/DEMO/WAVY.NAVY.1
deleted file mode 100644
index a4ceeac39..000000000
Binary files a/res/DEMO/WAVY.NAVY.1 and /dev/null differ
diff --git a/res/DEMO/_FileInformation.txt b/res/DEMO/_FileInformation.txt
index adfe4f4f0..2b0613ccb 100644
--- a/res/DEMO/_FileInformation.txt
+++ b/res/DEMO/_FileInformation.txt
@@ -188,7 +188,6 @@ TUNNEL.TERROR=Type(06),AuxType(4600),Access(C3)
 TUNNEL.TERROR.1=Type(F1),AuxType(0000),Access(C3)
 WARP.DESTROYER=Type(06),AuxType(0300),Access(C3)
 WARP.DESTROY.1=Type(F1),AuxType(0000),Access(C3)
-WAVY.NAVY=Type(06),AuxType(0800),Access(C3)
-WAVY.NAVY.1=Type(F1),AuxType(0000),Access(C3)
+WAVY.NAVY=Type(06),AuxType(0300),Access(C3)
 VINDICATOR=Type(06),AuxType(0300),Access(C3)
 VINDICATOR.1=Type(F1),AuxType(0000),Access(C3)
diff --git a/res/demosrc/wavy.navy.a b/res/demosrc/wavy.navy.a
new file mode 100644
index 000000000..df65eae44
--- /dev/null
+++ b/res/demosrc/wavy.navy.a
@@ -0,0 +1,37 @@
+;license:MIT
+;(c) 2021 by qkumba
+
+!cpu 6502
+!to "res/DEMO/WAVY.NAVY",plain
+*=$300
+
+    !source "src/prelaunch/common.a"
+
+         +READ_RAM2_WRITE_RAM2
+         jsr   EnableAccelerator
+         +LOAD_FILE_AT wavy_navy, $800
+         lda   #$60
+         sta   $505d
+         jsr   $800       ; decompress
+         ldx   #5
+-        lda   patch, x
+         sta   $09E8, x
+         sta   $1547, x
+         dex
+         bpl   -
+         inx
+         stx   $6B22
+         stx   $084C
+         jsr   DisableAccelerator
+         +READ_ROM_NO_WRITE
+         jmp   $800
+
+wavy_navy
+         !byte 21
+         !text "X/WAVY.NAVY/WAVY.NAVY"
+
+patch    !byte $AD,$88,$C0,$6C,$FC,$FF
+
+!if * > $3F0 {
+  !error "code is too large, ends at ", *
+}