Atari: make __getdefdev function ROM-friendly

diff --git a/libsrc/atari/getdefdev.s b/libsrc/atari/getdefdev.s
index 56ad8ff657ae22b1e88cf09fc88d7c73a78fdd69..ed0d499072ec55eb7b50392b3f6eec2ca9b68d63 100644 (file)
--- a/libsrc/atari/getdefdev.s
+++ b/libsrc/atari/getdefdev.s
@@ -60,7 +60,7 @@ __getdefdev:
         lda     (DOSVEC),y
         sta     crvec+2
 
-crvec:  jsr     $FFFF           ; will be set to crunch vector
+        jsr     crvec
 
 ; Get default device
 
@@ -84,6 +84,8 @@ xdos:   lda     XDEFDEV
 
         .data
 
+crvec: .byte   $4C,$FF,$FF     ; will be set to crunch vector
+
 ; Default device
 
 __defdev: