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jack.cpp: IRQ acking done right (nw)

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This commit is contained in:
AJR 2017-06-07 11:45:05 -04:00
parent 9803afe4a4
commit c2dfe876ce
2 changed files with 9 additions and 6 deletions
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13
src/mame/drivers/jack.cpp
View File

@ -103,10 +103,10 @@ READ8_MEMBER(jack_state::timer_r)
return m_audiocpu->total_cycles() / m_timer_rate;
}
WRITE8_MEMBER(jack_state::jack_sh_command_w)
IRQ_CALLBACK_MEMBER(jack_state::jack_sh_irq_ack)
{
m_soundlatch->write(space, 0, data);
m_audiocpu->set_input_line(0, HOLD_LINE);
m_audiocpu->set_input_line(0, CLEAR_LINE);
return 0xff;
}
@ -181,7 +181,7 @@ static ADDRESS_MAP_START( jack_map, AS_PROGRAM, 8, jack_state )
AM_RANGE(0x0000, 0x3fff) AM_ROM
AM_RANGE(0x4000, 0x5fff) AM_RAM
AM_RANGE(0xb000, 0xb07f) AM_RAM AM_SHARE("spriteram")
AM_RANGE(0xb400, 0xb400) AM_WRITE(jack_sh_command_w)
AM_RANGE(0xb400, 0xb400) AM_DEVWRITE("soundlatch", generic_latch_8_device, write)
AM_RANGE(0xb500, 0xb500) AM_READ_PORT("DSW1")
AM_RANGE(0xb501, 0xb501) AM_READ_PORT("DSW2")
AM_RANGE(0xb502, 0xb502) AM_READ_PORT("IN0")
@ -211,7 +211,7 @@ static ADDRESS_MAP_START( joinem_map, AS_PROGRAM, 8, jack_state )
AM_RANGE(0x8000, 0x8fff) AM_RAM
AM_RANGE(0xb000, 0xb07f) AM_RAM AM_SHARE("spriteram")
AM_RANGE(0xb080, 0xb0ff) AM_RAM_WRITE(joinem_scroll_w) AM_SHARE("scrollram")
AM_RANGE(0xb400, 0xb400) AM_WRITE(jack_sh_command_w)
AM_RANGE(0xb400, 0xb400) AM_DEVWRITE("soundlatch", generic_latch_8_device, write)
AM_RANGE(0xb500, 0xb500) AM_READ_PORT("DSW1")
AM_RANGE(0xb501, 0xb501) AM_READ_PORT("DSW2")
AM_RANGE(0xb502, 0xb502) AM_READ_PORT("IN0")
@ -866,6 +866,7 @@ void jack_state::machine_start()
void jack_state::machine_reset()
{
m_audiocpu->set_input_line(0, CLEAR_LINE);
}
@ -912,6 +913,7 @@ static MACHINE_CONFIG_START( jack )
MCFG_CPU_ADD("audiocpu", Z80, XTAL_18MHz/6)
MCFG_CPU_PROGRAM_MAP(sound_map)
MCFG_CPU_IO_MAP(sound_io_map)
MCFG_CPU_IRQ_ACKNOWLEDGE_DRIVER(jack_state, jack_sh_irq_ack)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
@ -931,6 +933,7 @@ static MACHINE_CONFIG_START( jack )
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_GENERIC_LATCH_8_ADD("soundlatch")
MCFG_GENERIC_LATCH_DATA_PENDING_CB(ASSERTLINE("audiocpu", 0))
MCFG_SOUND_ADD("aysnd", AY8910, XTAL_18MHz/12)
MCFG_AY8910_PORT_A_READ_CB(DEVREAD8("soundlatch", generic_latch_8_device,read))

2
src/mame/includes/jack.h
View File

@ -49,7 +49,7 @@ public:
int m_question_rom;
int m_remap_address[16];
DECLARE_WRITE8_MEMBER(jack_sh_command_w);
IRQ_CALLBACK_MEMBER(jack_sh_irq_ack);
DECLARE_WRITE8_MEMBER(joinem_control_w);
DECLARE_WRITE8_MEMBER(joinem_scroll_w);
DECLARE_READ8_MEMBER(striv_question_r);