From f6031017f6e107ecc8839f149075f34fb7708aaf Mon Sep 17 00:00:00 2001 From: hap Date: Wed, 6 Jan 2021 16:30:16 +0100 Subject: hh_cop400: fix mdallas keypad problem --- src/devices/sound/s14001a.cpp | 4 +--- src/mame/drivers/hh_cop400.cpp | 2 +- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/src/devices/sound/s14001a.cpp b/src/devices/sound/s14001a.cpp index aa4506ba1c8..f107b6767bf 100644 --- a/src/devices/sound/s14001a.cpp +++ b/src/devices/sound/s14001a.cpp @@ -116,7 +116,7 @@ uint8_t Mux8To2(bool bVoicedP2, uint8_t uPPQtrP2, uint8_t uDeltaAdrP2, uint8_t u uDeltaAdrP2 ^= 0x03; // count backwards // emulate 8 to 2 mux to obtain delta from byte (bigendian) - switch (uDeltaAdrP2) + switch (uDeltaAdrP2 & 0x03) { case 0x00: return (uRomDataP2 & 0xC0) >> 6; @@ -126,8 +126,6 @@ uint8_t Mux8To2(bool bVoicedP2, uint8_t uPPQtrP2, uint8_t uDeltaAdrP2, uint8_t u return (uRomDataP2 & 0x0C) >> 2; case 0x03: return (uRomDataP2 & 0x03) >> 0; - default: - return 0xFF; } } diff --git a/src/mame/drivers/hh_cop400.cpp b/src/mame/drivers/hh_cop400.cpp index e1cae755e17..292c60dff99 100644 --- a/src/mame/drivers/hh_cop400.cpp +++ b/src/mame/drivers/hh_cop400.cpp @@ -1076,7 +1076,7 @@ void mdallas_state::write_l(u8 data) void mdallas_state::write_d(u8 data) { // D: select digit, input mux high - m_inp_mux = (m_inp_mux & 0xf) | (data << 4 & 3); + m_inp_mux = (m_inp_mux & 0xf) | (data << 4 & 0x30); m_d = data & 0xf; update_display(); } -- cgit v1.2.3