diff --git a/res/DEMO/MOON.PATROL b/res/DEMO/MOON.PATROL
index 132e4be52..cc5c190c7 100755
Binary files a/res/DEMO/MOON.PATROL and b/res/DEMO/MOON.PATROL differ
diff --git a/res/DEMO/MOON.PATROL.1 b/res/DEMO/MOON.PATROL.1
deleted file mode 100755
index 5e6bc73a5..000000000
Binary files a/res/DEMO/MOON.PATROL.1 and /dev/null differ
diff --git a/res/DEMO/_FileInformation.txt b/res/DEMO/_FileInformation.txt
index 2a4849427..8f27f3de7 100644
--- a/res/DEMO/_FileInformation.txt
+++ b/res/DEMO/_FileInformation.txt
@@ -108,8 +108,7 @@ LODE.RUNNER.1=Type(F1),AuxType(0000),Access(C3)
 LODE.RUNNER.M=Type(F1),AuxType(0000),Access(C3)
 LOST.TOMB=Type(06),AuxType(084D),Access(C3)
 MC=Type(06),AuxType(3FE7),Access(C3)
-MOON.PATROL=Type(06),AuxType(029F),Access(C3)
-MOON.PATROL.1=Type(F1),AuxType(0000),Access(C3)
+MOON.PATROL=Type(06),AuxType(0200),Access(C3)
 NIGHT.STALKER=Type(06),AuxType(A000),Access(C3)
 NI=Type(06),AuxType(0300),Access(C3)
 NIGHTMARE.1=Type(F1),AuxType(0000),Access(C3)
diff --git a/src/demo/aquatron.a b/src/demo/aquatron.a
index c0e501472..55013a6cc 100644
--- a/src/demo/aquatron.a
+++ b/src/demo/aquatron.a
@@ -28,12 +28,13 @@ callback
          sta   $7D1D+1
          lda   #1
          sta   $7AE1+2
-         sta   $7D1D+2
+         sta   $7D1D+2     ; set exits
+
          lda   #$D0
          sta   $7E11
          sta   $7E38
          sta   $7E43
-         sta   $7EA0
+         sta   $7EA0       ; disable sound
 
          +READ_RAM2_WRITE_RAM2
          jsr   DisableAccelerator
diff --git a/src/demo/moon.patrol.a b/src/demo/moon.patrol.a
new file mode 100644
index 000000000..ea0f9877f
--- /dev/null
+++ b/src/demo/moon.patrol.a
@@ -0,0 +1,63 @@
+;license:MIT
+;(c) 2021 by Frank M.
+
+!cpu 6502
+!to "res/DEMO/MOON.PATROL",plain
+*=$200
+
+         !source "src/constants.a"   ; no code in these
+         !source "src/macros.a"
+
+         +READ_RAM2_WRITE_RAM2
+         jsr   EnableAccelerator
+         +LOAD_FILE_AT moon_patrol, $800
+         +READ_ROM_NO_WRITE
+
+         lda   #$60
+         sta   $49DD
+         jsr   $800
+
+         lda   #$4C
+         sta   $2A95
+         sta   $2A7E
+         sta   $0C31
+         sta   $2E80
+         lda   #0
+         sta   $2A95+1
+         sta   $2A7E+1
+         sta   $0C31+1
+         sta   $2E80+1
+         lda   #1
+         sta   $2A95+2
+         sta   $2A7E+2
+         sta   $0C31+2
+         sta   $2E80+2   ; exit on keypress/end of demo
+
+         lda   #$A2
+         sta   $0996
+         lda   #$FF
+         sta   $0996+1
+         lda   #$9A
+         sta   $0996+2   ; prevent stack pointer from overwriting $100
+
+         ldx   #26-1
+-        lda   patch, x
+         sta   $2726, x
+         dex
+         bpl   -         ; exit on keypress during title screen
+
+         +READ_RAM2_WRITE_RAM2
+         jsr   DisableAccelerator
+         +READ_ROM_NO_WRITE
+
+         jmp   $919
+
+moon_patrol
+         !byte 25
+         !text "X/MOON.PATROL/MOON.PATROL"
+
+patch    !byte $20,$B8,$0A,$2C,$10,$C0,$A2,$41,$A9,$FF,$20,$A8,$FC,$AD,$00,$C0,$10,$05,$4C,$00,$01,$EA,$EA,$CA,$D0,$EE
+
+!if * > $3F0 {
+  !error "code is too large, ends at ", *
+}