crt0: Correct environment and argument parsing

From: Will Sowerbutts

kernel sets up the stack differently: argc, argv, environ[]

diff --git a/Library/libs/crt0.s b/Library/libs/crt0.s
index daf4f7f..74e61f4 100644 (file)
--- a/Library/libs/crt0.s
+++ b/Library/libs/crt0.s
@@ -55,14 +55,12 @@ start2:             ld hl, #l__DATA - 1      ; work around linker limit
                ld (hl), #0
                ldir
                call gsinit
-               pop hl                  ; environ
+
+               ld hl, #4
+               add hl, sp
                ld (_environ), hl
-               pop de                  ; argv
-               pop bc                  ; argc
                ld hl, #_exit           ; return vector
-               ex (sp), hl             ; swap it with the provided
-               push bc                 ; return address
-               push de                 ; re-stack arguments
+               push hl
                jp _main                ; go
 
                .area _GSINIT