From 9097e89972d3ca27211e9422131bd59cfa4d8d28 Mon Sep 17 00:00:00 2001 From: Ivan Vangelista Date: Sun, 7 Mar 2021 15:40:53 +0100 Subject: [PATCH] williams.cpp: fixed MT07389 --- src/mame/drivers/williams.cpp | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/mame/drivers/williams.cpp b/src/mame/drivers/williams.cpp index 96d58e641b4..0fb682cef73 100644 --- a/src/mame/drivers/williams.cpp +++ b/src/mame/drivers/williams.cpp @@ -1837,6 +1837,8 @@ void inferno_state::inferno(machine_config &config) m_pia[0]->readpa_handler().set("mux", FUNC(ls157_x2_device::output_r)); m_pia[0]->ca2_handler().set("mux", FUNC(ls157_x2_device::select_w)); + m_pia[2]->set_port_a_input_overrides_output_mask(0xff); + LS157_X2(config, m_mux, 0); // IC45 (for PA4-PA7) + IC46 (for PA0-PA3) on CPU board m_mux->a_in_callback().set_ioport("INP1"); m_mux->b_in_callback().set_ioport("INP2");