From 51f039f7a1862c3aecf7eaf72608c66098dd1421 Mon Sep 17 00:00:00 2001
From: Tobias Girstmair <tobi@isticktoit.net>
Date: Thu, 4 Mar 2021 15:49:20 +0100
Subject: [PATCH] new version

---
 bsv.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/bsv.c b/bsv.c
index cc0348b..353b458 100644
--- a/bsv.c
+++ b/bsv.c
@@ -22,7 +22,15 @@ void mod3(void) {
 	SWAP(acc)
 	MOV(mod3hi, acc)
 
-	mod3lo = mod3hi + (mod3lo>>4) + (mod3lo & 0xF);
+	MOV(acc, mod3lo)
+	SWAP(acc)
+	AND(acc, 0xf) // (mod3lo>>4)
+	XCH(mod3lo) // acc=mod3lo, mod3lo=mod3lo>>4
+	AND(acc, 0xF) // acc=mod3lo&0xf, mod3lo=mod3lo>>4
+	ADD(acc, mod3lo) // (mod3lo & 0xF)
+	ADD(acc, mod3hi)
+	mod3lo = acc;
+	//mod3lo = mod3hi + (mod3lo>>4) + (mod3lo & 0xF);
 	mod3lo = (mod3lo >>  2) + (mod3lo & 0x3);
 	mod3lo = (mod3lo >>  2) + (mod3lo & 0x3);
 	if (mod3lo > 2) mod3lo = mod3lo - 3;
-- 
2.39.3