From 99e28c9b76b1170f1a0ead22e19488bbf546e589 Mon Sep 17 00:00:00 2001
From: Happy <Happy-yappH@users.noreply.github.com>
Date: Wed, 2 Mar 2016 10:06:01 -0700
Subject: [PATCH] N64: These calls seem to produce more issues than they
 presumably fix.

---
 src/mame/machine/n64.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mame/machine/n64.cpp b/src/mame/machine/n64.cpp
index d511124c26c..32ba2ee627e 100644
--- a/src/mame/machine/n64.cpp
+++ b/src/mame/machine/n64.cpp
@@ -651,7 +651,7 @@ READ32_MEMBER(n64_periphs::sp_reg_r)
 			return 0;
 
 		case 0x1c/4:        // SP_SEMAPHORE_REG
-			m_vr4300->yield();
+			//m_vr4300->yield();
 			if( sp_semaphore )
 			{
 				return 1;
@@ -1373,7 +1373,7 @@ WRITE32_MEMBER( n64_periphs::ai_reg_w )
 TIMER_CALLBACK_MEMBER(n64_periphs::pi_dma_callback)
 {
 	pi_dma_tick();
-	m_rsp->yield();
+	//m_rsp->yield();
 }
 
 void n64_periphs::pi_dma_tick()