Added routines to handle command line params

git-svn-id: svn://svn.cc65.org/cc65/trunk@2012 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/cbm510/Makefile

@@ -48,6 +48,7 @@ OBJS =	_scrsize.o	\
        	kplot.o	 	\
 	kscnkey.o	\
 	kudtim.o 	\
+        mainargs.o      \
 	mouse.o		\
 	peeksys.o	\
 	pokesys.o	\

libsrc/cbm510/crt0.s

@@ -7,7 +7,7 @@
    	.export	     	_exit
 
      	.import	   	_clrscr, initlib, donelib
-     	.import	     	push0, _main
+     	.import	     	push0, callmain
 	.import	   	__CHARRAM_START__, __CHARRAM_SIZE__, __VIDRAM_START__
         .import         __EXTZP_RUN__, __EXTZP_SIZE__
 	.import	       	__BSS_RUN__, __BSS_SIZE__
@@ -282,11 +282,6 @@ ccopy2:	lda	__VIDRAM_START__,y
 
        	jsr	initlib
 
-; Create the (empty) command line for the program
-
-       	jsr    	push0 	       	; argc
-       	jsr	push0	       	; argv
-
 ; Execute the program code
 
 	jmp	Start
@@ -378,10 +373,9 @@ Start:
 
       	cli
 
-; Call the user code
+; Push arguments and call main()
 
-       	ldy	#4    	       	; Argument size
-       	jsr    	_main 		; call the users code
+       	jsr    	callmain
 
 ; Call module destructors. This is also the _exit entry.
 

libsrc/cbm510/mainargs.s

@@ -0,0 +1,21 @@
+;
+; Ullrich von Bassewitz, 2003-03-07
+;
+; Setup arguments for main
+;
+
+
+	.constructor    initmainargs, 24
+       	.import         __argc, __argv
+
+
+;---------------------------------------------------------------------------
+; Setup arguments for main
+
+.proc   initmainargs
+
+        rts
+
+.endproc
+
+