diff --git a/applecorn.po b/applecorn.po
index 1e4958b..78b448d 100644
Binary files a/applecorn.po and b/applecorn.po differ
diff --git a/auxmem.chario.s b/auxmem.chario.s
index c218ba5..9a97135 100644
--- a/auxmem.chario.s
+++ b/auxmem.chario.s
@@ -1,9 +1,8 @@
-*********************************************************
-* Kernel / Character I/O
-*********************************************************
+* AUXMEM.CHARIO.S
+* (c) Bobbi 2021 GPLv3
+*
+* Applecorn kernel / Character I/O
 
-* KERNEL/CHARIO.S
-*****************
 * Character read and write
 *
 * 14-Aug-2021 Flashing cursor and INKEY sync'd to frame rate
@@ -16,7 +15,6 @@
 * *BUGS* INKEY doesn't restore cursor on timeout.
 *        KBDREAD has several paths that don't test ESCCHAR.
 
-
 * TEMP:
 FLASHER      EQU   $290
 CURSOR       EQU   $291
@@ -34,17 +32,9 @@ FX2VAR       EQU   BYTEVARBASE+$B1
 FX3VAR       EQU   BYTEVARBASE+$EC
 FX4VAR       EQU   BYTEVARBASE+$ED
 
-
-** Default keyboard OSBYTE variables
-*DEFBYTELOW  EQU  219              ; First default OSBYTE value
-*DEFBYTE     DB   $09,$1B          ; Default key codes
-*            DB   $01,$D0,$E0,$F0  ; Default key expansion
-*            DB   $01,$80,$90,$00  ; Default key expansion
-*DEFBYTEEND
-
 * TEMP as no *KEY
 * Default keyboard OSBYTE variables
-DEFBYTELOW   EQU   219              ; First default OSBYTE value
+*DEFBYTELOW EQU 219 ; First default OSBYTE value
 DEFBYTE      DB    $09,$1B          ; Default key codes
              DB    $C0,$D0,$E0,$F0  ; Default key expansion
              DB    $80,$90,$A0,$B0  ; Default key expansion
diff --git a/auxmem.init.s b/auxmem.init.s
index df8f29c..c4cce8f 100644
--- a/auxmem.init.s
+++ b/auxmem.init.s
@@ -1,3 +1,8 @@
+* AUXMEM.INIT.S
+* (c) Bobbi 2021 GPL v3
+*
+* Initialization code running in Apple //e aux memory
+
 ***********************************************************
 * BBC Micro 'virtual machine' in Apple //e aux memory
 ***********************************************************
@@ -100,11 +105,12 @@ MOSINIT     LDX   #$FF                       ; Initialize Alt SP to $1FF
             INC   A4H
 :S7         BRA   :L2
 
-:NORELOC                                     ; We should jump up into high memory here
+:NORELOC
 :S8         STA   $C00D                      ; 80 col on
             STA   $C003                      ; Alt charset off
             STA   $C055                      ; PAGE2
 
+MOSHIGH     SEI
             LDX   #$FF
             TXS                              ; Initialise stack
             INX                              ; X=$00
@@ -121,6 +127,13 @@ MOSINIT     LDX   #$FF                       ; Initialize Alt SP to $1FF
             DEX
             BPL   :INITPG2
 
+* DEFBYTELOW=129
+            LDX   #DEFBYTEEND-DEFBYTE-1
+:INITPG3    LDA   DEFBYTE,X                  ; Initialize OSBYTE vars
+            STA   BYTEVARBASE+DEFBYTELOW,X
+            DEX
+            BPL   :INITPG3
+
             JSR   VDUINIT                    ; Initialise VDU driver
 
             LDA   #<:HELLO
diff --git a/auxmem.mosequ.s b/auxmem.mosequ.s
index 3f7f3f3..65c52cf 100644
--- a/auxmem.mosequ.s
+++ b/auxmem.mosequ.s
@@ -59,5 +59,5 @@ FSCV        EQU   $21E        ; FSCV misc file ops
 
 OSFILECB    EQU   $2EE        ; OSFILE control block
 
-
+DEFBYTELOW  EQU   219         ; First default OSBYTE value