diff --git a/src/devices/machine/e0516.cpp b/src/devices/machine/e0516.cpp
index b3c2d735247..4b63f068df9 100644
--- a/src/devices/machine/e0516.cpp
+++ b/src/devices/machine/e0516.cpp
@@ -55,7 +55,7 @@ e0516_device::e0516_device(const machine_config &mconfig, const char *tag, devic
 	m_data_latch(0),
 	m_reg_latch(0),
 	m_state(STATE_ADDRESS),
-	m_bits_left(0),
+	m_bits_left(4),
 	m_dio(0),
 	m_reset(1),
 	m_timer(nullptr)
diff --git a/src/mame/luxor/abc80x.cpp b/src/mame/luxor/abc80x.cpp
index 88c60d8fca0..4537db566db 100644
--- a/src/mame/luxor/abc80x.cpp
+++ b/src/mame/luxor/abc80x.cpp
@@ -2213,7 +2213,8 @@ void abc806_state::abc806(machine_config &config)
 	// peripheral hardware
 	m_dart->out_dtrb_callback().set(FUNC(abc800_state::keydtr_w));
 
-	E0516(config, E0516_TAG, ABC806_X02);
+	E0516(config, m_rtc, ABC806_X02);
+	m_rtc->outsel_rd_cb().set_constant(1);
 
 	abc_keyboard_port_device &kb(ABC_KEYBOARD_PORT(config, ABC_KEYBOARD_PORT_TAG, abc_keyboard_devices, "abc77"));
 	kb.out_rx_handler().set(m_dart, FUNC(z80dart_device::rxb_w));