crt0_6809.s: Pass environ, argv and argc to main()

Signed-off-by: Tormod Volden <debian.tormod@gmail.com>

diff --git a/Library/libs/crt0_6809.s b/Library/libs/crt0_6809.s
index 6cff08a..8a34833 100644 (file)
--- a/Library/libs/crt0_6809.s
+++ b/Library/libs/crt0_6809.s
@@ -26,12 +26,16 @@ start:              jmp start2
                .area .text
 
 start2:
-               ; FIXME clear BSS
-
-               ; FIXME get environ, argc and argv
-
-               ldx #_exit              ; return vector
-               pshs x
+               ; we don't clear BSS since the kernel already did
+
+               ; pass environ, argc and argv to main
+               ldx 4,s
+               stx _environ
+               ldx 2,s
+               stx ___argv
+               puls x                  ; argc
+               ldy #_exit              ; return vector
+               pshs y
                jmp _main               ; go
 
 _environ:      .dw 0