From 8fa7cb45e8dfbb81b90eaa40e169e7ac281bb6d2 Mon Sep 17 00:00:00 2001
From: Rajko Stojadinovic <admin@rajko.info>
Date: Sun, 10 Dec 2017 22:34:54 +0100
Subject: [PATCH] Try out a little different "Better fence" for FPS++ 1.4.0

---
 Modifications/BreathOfTheWild_FPS++/patches.txt | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/Modifications/BreathOfTheWild_FPS++/patches.txt b/Modifications/BreathOfTheWild_FPS++/patches.txt
index 35bc828f..8a293131 100644
--- a/Modifications/BreathOfTheWild_FPS++/patches.txt
+++ b/Modifications/BreathOfTheWild_FPS++/patches.txt
@@ -231,7 +231,7 @@ _float1 = 0x10000670
 _float30 = 0x101E78F4
 
 #TestCave
-codeCaveSize = 0x84
+codeCaveSize = 0x98
 
 _fpsCalc =  0x00000008
 0x00000000 = .float 3 ; Don't edit me!
@@ -269,6 +269,13 @@ _busSpeed = 0x00000004
 0x0000007c = stfs f12, 0x130(r30)
 0x00000080 = blr
 
+_fenceNeg1 = 0x00000084
+0x00000084 = add r6, r12, r0 	#orig instruction we are replacing
+0x00000088 = cmpwi r6, 500 	#check if less than 500 (full sync on those first frames to prevent milk water)
+0x0000008C = blt .+0x08 	#skip subtract if less than
+0x00000090 = subi r6, r6, 1 	#do the subtract
+0x00000094 = blr 		#return
+
 #codeChanges
 0x031F9E80 = bla _fpsCalc
 0x03792620 = nop
@@ -286,8 +293,9 @@ _busSpeed = 0x00000004
 
 
 #break all forms of frame limiting
-0x031F9FEC = li r0, 1 ;Better fence
-;0x031FA004 = nop ; skip fence
+0x031FA000 = bla _fenceNeg1 ;Best fence (make sure GPU is never more than 1 frame ahead)
+;0x031F9FEC = li r0, 1 ;Better fence (make sure GPU is never more than 1 second? ahead)
+;0x031FA004 = nop ; skip fence (no waiting on GPU)
 0x031FA1D4 = nop ; disable vsync
 0x031FA1F8 = nop ; disable vsync loop