diff options
Diffstat (limited to 'src/mame/drivers/novag_delta1.cpp')
-rw-r--r-- | src/mame/drivers/novag_delta1.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mame/drivers/novag_delta1.cpp b/src/mame/drivers/novag_delta1.cpp index e8882ce902b..27a04716eb5 100644 --- a/src/mame/drivers/novag_delta1.cpp +++ b/src/mame/drivers/novag_delta1.cpp @@ -74,7 +74,7 @@ void delta1_state::machine_start() WRITE8_MEMBER(delta1_state::mux_w) { - // IO00-02: MC14028B A-C (IO03: GND) + // IO00-02: MC14028B A-C (D to GND) // MC14028B Q3-Q7: input mux // MC14028B Q4-Q7: digit select through 75492 u16 sel = 1 << (~data & 7); @@ -90,7 +90,8 @@ WRITE8_MEMBER(delta1_state::mux_w) READ8_MEMBER(delta1_state::input_r) { // IO04-07: multiplexed inputs - return read_inputs(5) << 4 | m_led_select; + // IO03: GND + return read_inputs(5) << 4 | m_led_select | 8; } WRITE8_MEMBER(delta1_state::digit_w) |