Move the startup code into its own segment

git-svn-id: svn://svn.cc65.org/cc65/trunk@1581 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/vic20/crt0.s

@@ -16,9 +16,17 @@
      	.include     	"../cbm/cbm.inc"
 
 ; ------------------------------------------------------------------------
+; Create an empty LOWCODE segment to avoid linker warnings
+
+.segment        "LOWCODE"
+
+; ------------------------------------------------------------------------
+; Place the startup code in a special segment.
+
+.segment       	"STARTUP"
+
 ; BASIC header with a SYS call
 
-.segment        "EXEHDR"
         .word   Head            ; Load address
 Head:   .word   @Next
         .word   1000            ; Line number
@@ -34,8 +42,6 @@ Head:   .word   @Next
 ; ------------------------------------------------------------------------
 ; Actual code
 
-.code
-
 	ldx    	#zpspace-1
 L1:	lda	sp,x
    	sta	zpsave,x	; Save the zero page locations we need
@@ -99,6 +105,9 @@ L2:	lda	zpsave,x
 	jmp	RESTOR
 
 
+; ------------------------------------------------------------------------
+; Data
+
 .data
 
 zpsave:	.res	zpspace