From 701c5fddc2d25d8d370995ac7fec6762b6aeaed4 Mon Sep 17 00:00:00 2001
From: Michael Pavone <pavone@retrodev.com>
Date: Mon, 1 Oct 2018 19:16:54 -0700
Subject: Clean up warnings from -1 case

---
 svp.cpu | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'svp.cpu')

diff --git a/svp.cpu b/svp.cpu
index 07e04f6..d6c7fb7 100644
--- a/svp.cpu
+++ b/svp.cpu
@@ -36,9 +36,9 @@ svp_pop
 	
 svp_push
 	arg src 16
-	add -1 stackidx stackidx
+	sub 1 stackidx stackidx
 	switch stackidx
-	case -1
+	case 0xFF
 	mov 5 stackidx
 	end
 	mov src stack.stackidx
-- 
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