From 83eb7bcd8a1bf8be89db506a112c29e677c8c793 Mon Sep 17 00:00:00 2001
From: Peter Ferrie <peter.ferrie@gmail.com>
Date: Mon, 13 Apr 2020 14:08:28 -0700
Subject: [PATCH] auto-keyboard enable if no joystick

---
 src/prelaunch/night.mission.a | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/prelaunch/night.mission.a b/src/prelaunch/night.mission.a
index 769d7c04a..fe5193e03 100644
--- a/src/prelaunch/night.mission.a
+++ b/src/prelaunch/night.mission.a
@@ -1,5 +1,5 @@
 ;license:MIT
-;(c) 2019 by 4am
+;(c) 2019-2020 by 4am
 
 !cpu 6502
 !to "build/PRELAUNCH/NIGHT.MISSION",plain
@@ -11,7 +11,13 @@
          lda   #$60
          sta   $8C36
          jsr   $44E5      ; decompress
-         +DISABLE_ACCEL
+         +READ_RAM2_NO_WRITE
+         lda   MachineStatus
+         and   #HAS_JOYSTICK
+         bne   +
+         inc   $AFA       ; force keyboard
++        jsr   DisableAccelerator
+         +READ_ROM_NO_WRITE
          jmp   $0800
 
 !if * > $1C0 {