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-rw-r--r--src/mame/drivers/gng.cpp22
1 files changed, 6 insertions, 16 deletions
diff --git a/src/mame/drivers/gng.cpp b/src/mame/drivers/gng.cpp
index 2ed772784d0..690d88dca4f 100644
--- a/src/mame/drivers/gng.cpp
+++ b/src/mame/drivers/gng.cpp
@@ -41,16 +41,6 @@ WRITE8_MEMBER(gng_state::gng_bankswitch_w)
membank("bank1")->set_entry((data & 0x03));
}
-WRITE_LINE_MEMBER(gng_state::coin_counter_1_w)
-{
- machine().bookkeeping().coin_counter_w(0, state);
-}
-
-WRITE_LINE_MEMBER(gng_state::coin_counter_2_w)
-{
- machine().bookkeeping().coin_counter_w(1, state);
-}
-
WRITE_LINE_MEMBER(gng_state::ym_reset_w)
{
if (!state)
@@ -399,12 +389,12 @@ MACHINE_CONFIG_START(gng_state::gng)
MCFG_DEVICE_PROGRAM_MAP(sound_map)
MCFG_DEVICE_PERIODIC_INT_DRIVER(gng_state, irq0_line_hold, 4*60)
- MCFG_DEVICE_ADD("mainlatch", LS259, 0) // 9B on A board
- MCFG_ADDRESSABLE_LATCH_Q0_OUT_CB(WRITELINE(*this, gng_state, flipscreen_w))
- MCFG_ADDRESSABLE_LATCH_Q1_OUT_CB(INPUTLINE("audiocpu", INPUT_LINE_RESET)) MCFG_DEVCB_INVERT
- MCFG_DEVCB_CHAIN_OUTPUT(WRITELINE(*this, gng_state, ym_reset_w))
- MCFG_ADDRESSABLE_LATCH_Q2_OUT_CB(WRITELINE(*this, gng_state, coin_counter_1_w))
- MCFG_ADDRESSABLE_LATCH_Q3_OUT_CB(WRITELINE(*this, gng_state, coin_counter_2_w))
+ ls259_device &mainlatch(LS259(config, "mainlatch")); // 9B on A board
+ mainlatch.q_out_cb<0>().set(FUNC(gng_state::flipscreen_w));
+ mainlatch.q_out_cb<1>().set_inputline("audiocpu", INPUT_LINE_RESET).invert();
+ mainlatch.q_out_cb<1>().append(FUNC(gng_state::ym_reset_w));
+ mainlatch.q_out_cb<2>().set([this] (int state) { machine().bookkeeping().coin_counter_w(0, state); });
+ mainlatch.q_out_cb<3>().set([this] (int state) { machine().bookkeeping().coin_counter_w(1, state); });
/* video hardware */
MCFG_DEVICE_ADD("spriteram", BUFFERED_SPRITERAM8)