Added routines to handle command line params

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

libsrc/geos/devel/Makefile

@@ -16,7 +16,14 @@
 %.tgi:	%.o ../../runtime/zeropage.o
 	@$(LD) -t module -o $@ $^
 
-S_OBJS	= crt0.o extzp.o oserror.o oserrlist.o randomize.o fio_module.o tgi_mode_table.o
+S_OBJS	= crt0.o                \
+          extzp.o               \
+          fio_module.o          \
+          mainargs.o            \
+          oserror.o             \
+          oserrlist.o           \
+          randomize.o           \
+          tgi_mode_table.o
 
 #--------------------------------------------------------------------------
 # Drivers

libsrc/geos/devel/crt0.s

@@ -8,7 +8,7 @@
 	.import		__RAM_START__, __RAM_SIZE__	; Linker generated
 	.import		initlib, donelib
        	.import	       	pushax
-	.import		_main
+	.import		callmain
 	.import		_MainLoop, _EnterDeskTop
 	.import		zerobss
 	.importzp	sp
@@ -39,16 +39,10 @@
 
 	jsr	initlib
 
-; Pass an empty command line
-
-	lda  	#0
-	tax
-	jsr	pushax 	 	; argc
-	jsr	pushax	 	; argv
+; Push arguments and call main()
 
 	cli
-	ldy	#4	 	; Argument size
-       	jsr    	_main	 	; call the users code
+       	jsr    	callmain
 
 ; Call module destructors. This is also the _exit entry which must be called
 ; explicitly by the code.

libsrc/geos/devel/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
+
+