From 4235e569d20cf64e52a26267149f4cf4ca1d4c89 Mon Sep 17 00:00:00 2001
From: Lauri Kasanen <cand@gmx.com>
Date: Fri, 9 Jun 2017 16:57:47 +0300
Subject: [PATCH] Small lz4 optimizations

---
 libsrc/common/lz4.s | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libsrc/common/lz4.s b/libsrc/common/lz4.s
index a750f4bf8..4702137bc 100644
--- a/libsrc/common/lz4.s
+++ b/libsrc/common/lz4.s
@@ -137,7 +137,7 @@ L001A:  lda     offset
         ldx     in+1
         sta     ptr1
         stx     ptr1+1
-        ldy     #$00
+;        ldy     #$00 - not needed as pushax zeroes Y
         jsr     memcpy_upwards
 ;
 ; written += offset;
@@ -195,11 +195,11 @@ L0047:  ldy     #$00
 L002F:  lda     out
         clc
         adc     written
-        pha
+        tay
         lda     out+1
         adc     written+1
         tax
-        pla
+        tya
         sec
         sbc     offset
         sta     ptr1
-- 
2.39.2