diff --git a/libsrc/runtime/Makefile b/libsrc/runtime/Makefile
index ff7c4866c..f17099b4a 100644
--- a/libsrc/runtime/Makefile
+++ b/libsrc/runtime/Makefile
@@ -41,6 +41,7 @@ OBJS = 	add.o		\
        	bneg.o		\
        	bpushbsp.o	\
        	call.o		\
+        callmain.o      \
        	compl.o		\
 	condes.o	\
 	decax1.o	\
diff --git a/libsrc/runtime/callmain.s b/libsrc/runtime/callmain.s
new file mode 100644
index 000000000..7e7b6894e
--- /dev/null
+++ b/libsrc/runtime/callmain.s
@@ -0,0 +1,40 @@
+;
+; Ullrich von Bassewitz, 2003-03-07
+;
+; Push arguments and call main()
+;
+
+
+	.export         callmain
+       	.export		__argc, __argv
+
+        .import         _main, pushax
+
+;---------------------------------------------------------------------------
+; Setup the stack for main(), then jump to it
+
+.proc   callmain
+
+        lda     __argc
+        ldx     __argc+1
+        jsr     pushax          ; Push argc
+
+        lda     __argv
+        ldx     __argv+1
+        jsr     pushax          ; Push argv
+
+	ldy	#4   	  	; Argument size
+        jmp     _main
+
+.endproc
+
+;---------------------------------------------------------------------------
+; Data
+
+.bss
+__argc:         .res    2
+__argv:         .res    2
+
+
+
+