From ec9d512062e7c61d12a11b3b91a3f966ca8b7fec Mon Sep 17 00:00:00 2001
From: Peter Ferrie <peter.ferrie@gmail.com>
Date: Wed, 8 Mar 2017 07:28:30 -0800
Subject: [PATCH] support Realm of Impossibility

---
 src/passport.a    |  2 +-
 src/patchers/ea.a | 21 ++++++++++++++++++++-
 src/strings/en.a  |  2 +-
 3 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/src/passport.a b/src/passport.a
index a884a01..e33a7ed 100755
--- a/src/passport.a
+++ b/src/passport.a
@@ -94,7 +94,7 @@ flag     =     $FF        ; byte
 }
 
 ; Application constants (not zero addresses)
-RELBASE  =     $6700      ; address to move Passport code
+RELBASE  =     $6600      ; address to move Passport code
                           ; so that it's out of the way
 LOWPOINT =     $4300      ; lowest available address for code
 BASEPAGE =     $10        ; Special Delivery tracer assumes
diff --git a/src/patchers/ea.a b/src/patchers/ea.a
index 6605e38..a2f72e6 100644
--- a/src/patchers/ea.a
+++ b/src/patchers/ea.a
@@ -298,12 +298,31 @@ _ea
          !byte $18         ;CLC
          !byte $E9,$00     ;SBC #$00
          !byte $48         ;PHA
-         bcs   .exit
+         bcs   +
          inx
          ldy   #1
          jsr   modify
          !byte $E8         ;new checksum value for eor
 
++        ldy   #14
+         jsr   SearchTrack
+         !byte $AD,$00,$05
+         !byte $A2,$FF
+         !byte $5D,$00,$05
+         !byte $CA
+         !byte $D0,$FA
+         !byte $C9,$A0
+         !byte $F0
+         bcs   .exit
+         pha
+         txa
+         adc   #12
+         tax
+         pla
+         ldy   #1
+         jsr   modify
+         !byte $A1         ;new checksum value for eor
+
 .dostitles
          lda   gIsBoot0
          bne   .exit
diff --git a/src/strings/en.a b/src/strings/en.a
index 7bfafd1..014a10e 100755
--- a/src/strings/en.a
+++ b/src/strings/en.a
@@ -192,7 +192,7 @@ StringTable
 ; can be set directly before calling PrintByID.
 ;
 .header
-         !text "Passport by 4am               2017-03-04",00
+         !text "Passport by 4am               2017-03-08",00
 .mainmenu
          !text "________________________________________",$8D,$8D,$8D,$8D,$8D,$8D,$8D
          !text "              "