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Diffstat (limited to 'src/mame/machine/xavix.cpp')
-rw-r--r--src/mame/machine/xavix.cpp41
1 files changed, 32 insertions, 9 deletions
diff --git a/src/mame/machine/xavix.cpp b/src/mame/machine/xavix.cpp
index 55e9653948a..bcf68c280b1 100644
--- a/src/mame/machine/xavix.cpp
+++ b/src/mame/machine/xavix.cpp
@@ -590,15 +590,8 @@ void xavix_i2c_state::write_io1(uint8_t data, uint8_t direction)
// for taikodp
void xavix_i2c_cart_state::write_io1(uint8_t data, uint8_t direction)
{
- if (direction & 0x08)
- {
- m_i2cmem->write_sda((data & 0x08) >> 3);
- }
-
- if (direction & 0x10)
- {
- m_i2cmem->write_scl((data & 0x10) >> 4);
- }
+ m_i2cmem->write_sda((data & 0x08) >> 3);
+ m_i2cmem->write_scl((data & 0x10) >> 4);
}
void xavix_ekara_state::write_io0(uint8_t data, uint8_t direction)
@@ -613,6 +606,36 @@ void xavix_ekara_state::write_io1(uint8_t data, uint8_t direction)
m_extraiowrite = extraiowrite;
}
+/* SuperXavix IO port handliner (per game) */
+
+READ8_MEMBER(xavix_i2c_jmat_state::read_extended_io0)
+{
+ return 0x00;
+}
+
+READ8_MEMBER(xavix_i2c_jmat_state::read_extended_io1)
+{
+ return 0x00;
+}
+
+READ8_MEMBER(xavix_i2c_jmat_state::read_extended_io2)
+{
+ return 0x00;
+}
+
+WRITE8_MEMBER(xavix_i2c_jmat_state::write_extended_io0)
+{
+}
+
+WRITE8_MEMBER(xavix_i2c_jmat_state::write_extended_io1)
+{
+}
+
+WRITE8_MEMBER(xavix_i2c_jmat_state::write_extended_io2)
+{
+}
+
+
/* General IO port handling */
READ8_MEMBER(xavix_state::io0_data_r)