Fixed crash with John Brooks's /RAM3 RawWorks driver

applecorn.s

@@ -83,7 +83,7 @@ XF2AUX      MAC
             STX   STRTH
             SEI               ; Disable IRQ before XFER
             SEC               ; Use aux memory
-            BIT   $FF58       ; Set V: use alt ZP and LC
+            BIT   RTSINSTR    ; Set V: use alt ZP and LC
             JMP   XFER
             EOM
 

auxmem.init.s

@@ -204,7 +204,7 @@ BYTE00      BEQ   BYTE00A                    ; OSBYTE 0,0 - generate error
             RTS                              ; %000x1xxx host type, 'A'pple
 BYTE00A     BRK
             DB    $F7
-HELLO       ASC   'Applecorn MOS 2021-11-04'
+HELLO       ASC   'Applecorn MOS 2021-11-05'
             DB    $00                        ; Unify MOS messages
 
 

mainmem.misc.s

@@ -36,7 +36,7 @@ COPYAUXBLK   >>>   ALTZP          ; Alt ZP & Alt LC on
              BNE   :L1
              STA   $C004          ; Write main mem
 :S2          >>>   MAINZP         ; Alt ZP off, ROM back in
-             RTS
+RTSINSTR     RTS
 
 * Search FILEREFS for value in A
 * On return, buffer number is in X (or $FF if no bufs)