From 85ce5818c1171001062d9d27d53f1b93cbdbb608 Mon Sep 17 00:00:00 2001
From: DavidHaywood <28625134+DavidHaywood@users.noreply.github.com>
Date: Thu, 24 Jan 2019 12:09:15 +0000
Subject: [PATCH] (nw)

---
 src/mame/machine/xavix.cpp    | 25 ++++++-------------------
 src/mame/machine/xavix_io.cpp |  3 +++
 2 files changed, 9 insertions(+), 19 deletions(-)

diff --git a/src/mame/machine/xavix.cpp b/src/mame/machine/xavix.cpp
index 505e43ac159..ce54e995846 100644
--- a/src/mame/machine/xavix.cpp
+++ b/src/mame/machine/xavix.cpp
@@ -513,13 +513,8 @@ void xavix_state::write_io1(uint8_t data, uint8_t direction)
 uint8_t xavix_i2c_state::read_io1(uint8_t direction)
 {
 	uint8_t ret = m_in1->read();
-
-	if (!(direction & 0x08))
-	{
-		ret &= ~0x08;
-		ret |= (m_i2cmem->read_sda() & 1) << 3;
-	}
-
+	ret &= ~0x08;
+	ret |= (m_i2cmem->read_sda() & 1) << 3;
 	return ret;
 }
 
@@ -547,13 +542,8 @@ void xavix_i2c_state::write_io1(uint8_t data, uint8_t direction)
 uint8_t xavix_i2c_cart_state::read_io1(uint8_t direction)
 {
 	uint8_t ret = m_in1->read();
-
-	if (!(direction & 0x08))
-	{
-		ret &= ~0x08;
-		ret |= (m_i2cmem->read_sda() & 1) << 3;
-	}
-
+	ret &= ~0x08;
+	ret |= (m_i2cmem->read_sda() & 1) << 3;
 	return ret;
 }
 
@@ -579,11 +569,8 @@ uint8_t xavix_i2c_lotr_state::read_io1(uint8_t direction)
 	ret ^= (machine().rand() & 0x02);
 	ret ^= (machine().rand() & 0x04);
 
-	if (!(direction & 0x08))
-	{
-		ret &= ~0x08;
-		ret |= (m_i2cmem->read_sda() & 1) << 3;
-	}
+	ret &= ~0x08;
+	ret |= (m_i2cmem->read_sda() & 1) << 3;
 
 	return ret;
 }
diff --git a/src/mame/machine/xavix_io.cpp b/src/mame/machine/xavix_io.cpp
index 9aaba17999f..e08a8cecc31 100644
--- a/src/mame/machine/xavix_io.cpp
+++ b/src/mame/machine/xavix_io.cpp
@@ -1,6 +1,9 @@
 // license:BSD-3-Clause
 // copyright-holders:David Haywood
 
+// TODO: hook this back up, and work out why taikodp eeprom breaks when it is hooked up.  epo_efdx breakage is expected because that requires an ugly hack to get to the title
+//       note, eeproms don't work properly in most games at the moment, but no behavioral change was expected with taikodp
+
 #include "emu.h"
 #include "xavix_io.h"