From 180d4c1a32a51d20b539bf9eedbed0c60a63157b Mon Sep 17 00:00:00 2001
From: Dirk Best <mail@dirk-best.de>
Date: Thu, 17 May 2018 14:15:52 +0200
Subject: [PATCH] mappy: output_finder

---
 src/mame/drivers/mappy.cpp | 6 ++++--
 src/mame/includes/mappy.h  | 5 ++++-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/mame/drivers/mappy.cpp b/src/mame/drivers/mappy.cpp
index d2b013fe385..19e2aa731a0 100644
--- a/src/mame/drivers/mappy.cpp
+++ b/src/mame/drivers/mappy.cpp
@@ -1302,14 +1302,16 @@ GFXDECODE_END
 
 WRITE8_MEMBER(mappy_state::out_lamps)
 {
-	output().set_led_value(0, data & 1);
-	output().set_led_value(1, data & 2);
+	m_leds[0] = BIT(data, 0);
+	m_leds[1] = BIT(data, 1);
 	machine().bookkeeping().coin_lockout_global_w(data & 4);
 	machine().bookkeeping().coin_counter_w(0, ~data & 8);
 }
 
 void mappy_state::machine_start()
 {
+	m_leds.resolve();
+	
 	save_item(NAME(m_main_irq_mask));
 	save_item(NAME(m_sub_irq_mask));
 	save_item(NAME(m_sub2_irq_mask));
diff --git a/src/mame/includes/mappy.h b/src/mame/includes/mappy.h
index e68f760c709..77a21d5dc15 100644
--- a/src/mame/includes/mappy.h
+++ b/src/mame/includes/mappy.h
@@ -25,7 +25,9 @@ public:
 		m_dac(*this, "dac"),
 		m_gfxdecode(*this, "gfxdecode"),
 		m_screen(*this, "screen"),
-		m_palette(*this, "palette")  { }
+		m_palette(*this, "palette"),
+		m_leds(*this, "led%u", 0U)
+	{ }
 
 	required_shared_ptr<uint8_t> m_videoram;
 	required_shared_ptr<uint8_t> m_spriteram;
@@ -39,6 +41,7 @@ public:
 	required_device<gfxdecode_device> m_gfxdecode;
 	required_device<screen_device> m_screen;
 	required_device<palette_device> m_palette;
+	output_finder<2> m_leds;
 
 	tilemap_t *m_bg_tilemap;
 	bitmap_ind16 m_sprite_bitmap;