diff --git a/res/dsk/aquatron PRODOS (san inc pack).po b/res/dsk/aquatron PRODOS (san inc pack).po
index 8b973bc9b..bdf5607af 100644
Binary files a/res/dsk/aquatron PRODOS (san inc pack).po and b/res/dsk/aquatron PRODOS (san inc pack).po differ
diff --git a/res/dsk/david's midnight magic PRODOS (san inc crack).po b/res/dsk/david's midnight magic PRODOS (san inc crack).po
index 28d7083c8..f758045d8 100644
Binary files a/res/dsk/david's midnight magic PRODOS (san inc crack).po and b/res/dsk/david's midnight magic PRODOS (san inc crack).po differ
diff --git a/res/dsk/defender 9k file PRODOS (san inc pack).po b/res/dsk/defender 9k file PRODOS (san inc pack).po
index edbfb2104..8416df290 100644
Binary files a/res/dsk/defender 9k file PRODOS (san inc pack).po and b/res/dsk/defender 9k file PRODOS (san inc pack).po differ
diff --git a/res/dsk/drelbs 18k file PRODOS (san inc crack).po b/res/dsk/drelbs 18k file PRODOS (san inc crack).po
index c2f5e9bb0..4e02f5a10 100644
Binary files a/res/dsk/drelbs 18k file PRODOS (san inc crack).po and b/res/dsk/drelbs 18k file PRODOS (san inc crack).po differ
diff --git a/res/dsk/firebird 12k file PRODOS (san inc pack).po b/res/dsk/firebird 12k file PRODOS (san inc pack).po
index 4bc87d445..8ee243dd8 100644
Binary files a/res/dsk/firebird 12k file PRODOS (san inc pack).po and b/res/dsk/firebird 12k file PRODOS (san inc pack).po differ
diff --git a/res/dsk/hero 12k file PRODOS (san inc pack) (fixes refresh bug in original game).po b/res/dsk/hero 12k file PRODOS (san inc pack) (fixes refresh bug in original game).po
index b98cee9d2..561946a65 100644
Binary files a/res/dsk/hero 12k file PRODOS (san inc pack) (fixes refresh bug in original game).po and b/res/dsk/hero 12k file PRODOS (san inc pack) (fixes refresh bug in original game).po differ
diff --git a/res/dsk/lazer silk 12k file PRODOS (san inc crack).po b/res/dsk/lazer silk 12k file PRODOS (san inc crack).po
index 2d52f05d5..ff4d09e41 100644
Binary files a/res/dsk/lazer silk 12k file PRODOS (san inc crack).po and b/res/dsk/lazer silk 12k file PRODOS (san inc crack).po differ
diff --git a/res/dsk/mario bros 14k file PRODOS (san inc pack).po b/res/dsk/mario bros 14k file PRODOS (san inc pack).po
index b58608974..bd81f74c2 100644
Binary files a/res/dsk/mario bros 14k file PRODOS (san inc pack).po and b/res/dsk/mario bros 14k file PRODOS (san inc pack).po differ
diff --git a/res/dsk/ms. pacman 12k file PRODOS (san inc pack).po b/res/dsk/ms. pacman 12k file PRODOS (san inc pack).po
index 77aea5211..d9b017a92 100644
Binary files a/res/dsk/ms. pacman 12k file PRODOS (san inc pack).po and b/res/dsk/ms. pacman 12k file PRODOS (san inc pack).po differ
diff --git a/res/dsk/night stalker 22k file PRODOS (san inc crack).po b/res/dsk/night stalker 22k file PRODOS (san inc crack).po
index 21587a0e1..e73352ef3 100644
Binary files a/res/dsk/night stalker 22k file PRODOS (san inc crack).po and b/res/dsk/night stalker 22k file PRODOS (san inc crack).po differ
diff --git a/res/dsk/picnic paranoia 15k file PRODOS (san inc pack).po b/res/dsk/picnic paranoia 15k file PRODOS (san inc pack).po
index 15c8f6be6..ebd3ddd4a 100644
Binary files a/res/dsk/picnic paranoia 15k file PRODOS (san inc pack).po and b/res/dsk/picnic paranoia 15k file PRODOS (san inc pack).po differ
diff --git a/res/dsk/serpentine 18k file PRODOS (san inc crack).po b/res/dsk/serpentine 18k file PRODOS (san inc crack).po
index e106e6f92..18f034f33 100644
Binary files a/res/dsk/serpentine 18k file PRODOS (san inc crack).po and b/res/dsk/serpentine 18k file PRODOS (san inc crack).po differ
diff --git a/res/dsk/vindicator PRODOS (san inc crack).po b/res/dsk/vindicator PRODOS (san inc crack).po
index 281575b48..96ef3de17 100644
Binary files a/res/dsk/vindicator PRODOS (san inc crack).po and b/res/dsk/vindicator PRODOS (san inc crack).po differ
diff --git a/res/dsk/warp destroyer PRODOS (san inc crack).po b/res/dsk/warp destroyer PRODOS (san inc crack).po
index 1cb3d2d3a..8de78a4c0 100644
Binary files a/res/dsk/warp destroyer PRODOS (san inc crack).po and b/res/dsk/warp destroyer PRODOS (san inc crack).po differ
diff --git a/res/dsk/zaxxon PRODOS (san inc crack).po b/res/dsk/zaxxon PRODOS (san inc crack).po
index 17520470e..a2787a3bf 100644
Binary files a/res/dsk/zaxxon PRODOS (san inc crack).po and b/res/dsk/zaxxon PRODOS (san inc crack).po differ
diff --git a/res/dsk/zenith 17k file PRODOS (san inc crack).po b/res/dsk/zenith 17k file PRODOS (san inc crack).po
index 02e1696fb..b4916d39b 100644
Binary files a/res/dsk/zenith 17k file PRODOS (san inc crack).po and b/res/dsk/zenith 17k file PRODOS (san inc crack).po differ
diff --git a/src/prelaunch/plasmania.a b/src/prelaunch/plasmania.a
index 314461319..1fbf0e095 100755
--- a/src/prelaunch/plasmania.a
+++ b/src/prelaunch/plasmania.a
@@ -8,7 +8,8 @@
     !source "src/prelaunch/common.a"
 
          +USES_TEXT_PAGE_2
-         +NEW_RESET_VECTOR $BFF0  ; overwrites $100 once game starts
+         inc   $3f4 ; mismatch checksum to trigger reboot
+                    ; game overwrites LC during title
          jmp   $800
 
 !if * > $1C0 {