diff --git a/src/mame/drivers/docastle.cpp b/src/mame/drivers/docastle.cpp
index 0eb7d0e3d4e..b342ffa20c2 100644
--- a/src/mame/drivers/docastle.cpp
+++ b/src/mame/drivers/docastle.cpp
@@ -550,6 +550,14 @@ void docastle_state::machine_reset()
 	m_adpcm_pos = m_adpcm_idle = 0;
 	m_adpcm_data = -1;
 	m_adpcm_status = 0;
+
+	for (i = 0; i < 2; i++)
+	{
+		m_inp[i]->write_ms(0); // pin 5 tied low
+		//m_inp[i]->write_ce(1); // pin 4 tied high
+		m_inp[i]->write_s(machine().dummy_space(), 0, 0); // cleared with LS273
+	}
+	flip_screen_set(0); // cleared with LS273
 }
 
 void docastle_state::machine_start()
diff --git a/src/mame/includes/docastle.h b/src/mame/includes/docastle.h
index 8552ba318fa..eade0a610ec 100644
--- a/src/mame/includes/docastle.h
+++ b/src/mame/includes/docastle.h
@@ -20,8 +20,7 @@ public:
 		m_cpu3(*this, "cpu3"),
 		m_crtc(*this, "crtc"),
 		m_msm(*this, "msm"),
-		m_inp1(*this, "inp1"),
-		m_inp2(*this, "inp2"),
+		m_inp(*this, "inp%u", 1),
 		m_videoram(*this, "videoram"),
 		m_colorram(*this, "colorram"),
 		m_spriteram(*this, "spriteram"),
@@ -35,8 +34,7 @@ public:
 	required_device<cpu_device> m_cpu3;
 	required_device<h46505_device> m_crtc;
 	optional_device<msm5205_device> m_msm;
-	required_device<tms1025_device> m_inp1;
-	required_device<tms1025_device> m_inp2;
+	required_device_array<tms1025_device, 2> m_inp;
 
 	/* memory pointers */
 	required_shared_ptr<uint8_t> m_videoram;
diff --git a/src/mame/video/docastle.cpp b/src/mame/video/docastle.cpp
index 43315f5565a..38ed7995853 100644
--- a/src/mame/video/docastle.cpp
+++ b/src/mame/video/docastle.cpp
@@ -79,12 +79,12 @@ WRITE8_MEMBER(docastle_state::docastle_colorram_w)
 READ8_MEMBER(docastle_state::inputs_flipscreen_r)
 {
 	// inputs pass through LS244 non-inverting buffer
-	uint8_t buf = (m_inp2->read_h(space, 0) << 4) | m_inp1->read_h(space, 0);
+	uint8_t buf = (m_inp[1]->read_h(space, 0) << 4) | m_inp[0]->read_h(space, 0);
 
 	// LS273 latches address bits on rising edge of address decode
 	flip_screen_set(BIT(offset, 7));
-	m_inp1->write_s(space, 0, offset & 7);
-	m_inp2->write_s(space, 0, offset & 7);
+	m_inp[0]->write_s(space, 0, offset & 7);
+	m_inp[1]->write_s(space, 0, offset & 7);
 
 	return buf;
 }