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small update

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This commit is contained in:
Michaël Banaan Ananas 2013-05-20 09:31:21 +00:00
parent 1c05ccc93b
commit 00132ec348
1 changed files with 17 additions and 12 deletions
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29
src/mame/drivers/stuntair.c
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@ -156,8 +156,13 @@ public:
DECLARE_WRITE8_MEMBER(stuntair_coin_w) DECLARE_WRITE8_MEMBER(stuntair_coin_w)
{ {
// lower 2 bits are coin counters // lower 2 bits are coin counters, excluding 1st coin(?)
if (data&~0x3) printf("stuntair_coin_w %02x\n", data); coin_counter_w(machine(), 0, data >> 0 & 1);
coin_counter_w(machine(), 1, data >> 1 & 1);
// other bits: unknown
if (data & 0xfc)
logerror("stuntair_coin_w %02x\n", data);
} }
DECLARE_WRITE8_MEMBER(stuntair_sound_w) DECLARE_WRITE8_MEMBER(stuntair_sound_w)
@ -175,16 +180,16 @@ public:
m_audiocpu->set_input_line(0, HOLD_LINE); m_audiocpu->set_input_line(0, HOLD_LINE);
} }
DECLARE_READ8_MEMBER(ay8910_in0_r) DECLARE_READ8_MEMBER(ay8910_soundlatch_r)
{ {
return m_soundlatch; return m_soundlatch;
} }
DECLARE_READ8_MEMBER(ay8910_in1_r) DECLARE_WRITE8_MEMBER(ay8910_portb_w)
{ {
printf("ay8910_in1_r\n"); // it writes $e8 and $f0 for music drums
return 0x00;//m_soundlatch; // possibly to discrete sound circuitry?
logerror("ay8910_portb_w: %02x\n", data);
} }
virtual void machine_start(); virtual void machine_start();
@ -499,10 +504,10 @@ static const ay8910_interface ay8910_config =
{ {
AY8910_LEGACY_OUTPUT, AY8910_LEGACY_OUTPUT,
AY8910_DEFAULT_LOADS, AY8910_DEFAULT_LOADS,
DEVCB_DRIVER_MEMBER(stuntair_state,ay8910_in0_r), DEVCB_DRIVER_MEMBER(stuntair_state,ay8910_soundlatch_r),
DEVCB_DRIVER_MEMBER(stuntair_state,ay8910_in1_r),
DEVCB_NULL, DEVCB_NULL,
DEVCB_NULL DEVCB_NULL,
DEVCB_DRIVER_MEMBER(stuntair_state,ay8910_portb_w)
}; };
@ -547,11 +552,11 @@ PALETTE_INIT( stuntair )
static MACHINE_CONFIG_START( stuntair, stuntair_state ) static MACHINE_CONFIG_START( stuntair, stuntair_state )
/* basic machine hardware */ /* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80, XTAL_18_432MHz/4) /* ? MHz */ MCFG_CPU_ADD("maincpu", Z80, XTAL_18_432MHz/6) /* 3 MHz? */
MCFG_CPU_PROGRAM_MAP(stuntair_map) MCFG_CPU_PROGRAM_MAP(stuntair_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", stuntair_state, stuntair_irq) MCFG_CPU_VBLANK_INT_DRIVER("screen", stuntair_state, stuntair_irq)
MCFG_CPU_ADD("audiocpu", Z80, XTAL_18_432MHz/4) /* ? MHz */ MCFG_CPU_ADD("audiocpu", Z80, XTAL_18_432MHz/6) /* 3 MHz? */
MCFG_CPU_PROGRAM_MAP(stuntair_sound_map) MCFG_CPU_PROGRAM_MAP(stuntair_sound_map)
MCFG_CPU_IO_MAP(stuntair_sound_portmap) MCFG_CPU_IO_MAP(stuntair_sound_portmap)
MCFG_CPU_PERIODIC_INT_DRIVER(stuntair_state, stuntair_sound_irq, 60*8) // guessed, probably wrong ?? drives music tempo.. MCFG_CPU_PERIODIC_INT_DRIVER(stuntair_state, stuntair_sound_irq, 60*8) // guessed, probably wrong ?? drives music tempo..