From: Alan Cox <alan@etchedpixels.co.uk>
Date: Thu, 20 Nov 2014 23:34:26 +0000 (+0000)
Subject: crt0: Correct environment and argument parsing
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=1c9009608bca1b09f214cf9de2c1e3554feeaf56;p=FUZIX.git

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 daf4f7f3..74e61f45 100644
--- 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