Fixed a bug

git-svn-id: svn://svn.cc65.org/cc65/trunk@1618 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/libsrc/c64/crt0.s b/libsrc/c64/crt0.s
index 92ef5bcf1b40347ef87e72bd89e63dc6e8818899..70df21d7cda4277e052053efee52df1efbe04372 100644 (file)
--- a/libsrc/c64/crt0.s
+++ b/libsrc/c64/crt0.s
@@ -1,4 +1,4 @@
-;     
+;
 ; Startup code for cc65 (C64 version)
 ;
 ; This must be the *first* file on the linker command line
@@ -52,26 +52,27 @@ L1: lda     sp,x
        lda     #14
        jsr     BSOUT
 
-; Clear the BSS data
-
-       jsr     zerobss
-
 ; Save system stuff and setup the stack
 
-               tsx
-               stx     spsave          ; Save the system stack ptr
-
        lda     $01
-       sta     mmusave         ; Save the memory configuration
+               tax                     ; Remember in X
        and     #$F8
                ora     #$06            ; Enable kernal+I/O, disable basic
        sta     $01
+        stx    mmusave         ; Save the memory configuration
+
+               tsx
+               stx     spsave          ; Save the system stack ptr
 
        lda     #<(__RAM_START__ + __RAM_SIZE__)
        sta     sp
        lda     #>(__RAM_START__ + __RAM_SIZE__)
                sta     sp+1            ; Set argument stack ptr
 
+; Clear the BSS data
+
+       jsr     zerobss
+
 ; Call module constructors
 
        jsr     initlib