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Implemented irq ack mechanism and fixed CPU clock speeds in Cop 01 and Mighty Guy, this fixes last boss crashes in Mighty Guy [Angelo Salese]

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new working game
----------------
Mighty Guy [Angelo Salese]
This commit is contained in:
Angelo Salese 2011-04-24 17:05:04 +00:00
parent ae32bd9359
commit f52cce3627
2 changed files with 30 additions and 13 deletions
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42
src/mame/drivers/cop01.c
View File

@ -8,7 +8,6 @@ driver by Carlos A. Lozano <calb@gsyc.inf.uc3m.es>
TODO:
----
mightguy:
- crashes during the confrontation with the final boss (only tested with Invincibility on)
- missing emulation of the 1412M2 protection chip, used by the sound CPU.
@ -59,6 +58,8 @@ Mighty Guy board layout:
#define MIGHTGUY_HACK 0
#define TIMER_RATE 12000 /* total guess */
#define MAINCPU_CLOCK XTAL_12MHz
#define AUDIOCPU_CLOCK XTAL_8MHz
/*************************************
*
@ -70,7 +71,7 @@ static WRITE8_HANDLER( cop01_sound_command_w )
{
cop01_state *state = space->machine().driver_data<cop01_state>();
soundlatch_w(space, offset, data);
device_set_input_line_and_vector(state->m_audiocpu, 0, HOLD_LINE, 0xff);
device_set_input_line(state->m_audiocpu, 0, ASSERT_LINE );
}
static READ8_HANDLER( cop01_sound_command_r )
@ -99,6 +100,20 @@ static CUSTOM_INPUT( mightguy_area_r )
return (input_port_read(field->port->machine(), "FAKE") & bit_mask) ? 0x01 : 0x00;
}
static WRITE8_HANDLER( cop01_irq_ack_w )
{
cop01_state *state = space->machine().driver_data<cop01_state>();
device_set_input_line(state->m_maincpu, 0, CLEAR_LINE );
}
static READ8_HANDLER( cop01_sound_irq_ack_w )
{
cop01_state *state = space->machine().driver_data<cop01_state>();
device_set_input_line(state->m_audiocpu, 0, CLEAR_LINE );
return 0;
}
/*************************************
*
@ -123,7 +138,7 @@ static ADDRESS_MAP_START( io_map, AS_IO, 8 )
AM_RANGE(0x04, 0x04) AM_READ_PORT("DSW2")
AM_RANGE(0x40, 0x43) AM_WRITE(cop01_vreg_w)
AM_RANGE(0x44, 0x44) AM_WRITE(cop01_sound_command_w)
AM_RANGE(0x45, 0x45) AM_WRITE(watchdog_reset_w) /* ? */
AM_RANGE(0x45, 0x45) AM_WRITE(cop01_irq_ack_w) /* ? */
ADDRESS_MAP_END
static ADDRESS_MAP_START( mightguy_io_map, AS_IO, 8 )
@ -135,12 +150,12 @@ static ADDRESS_MAP_START( mightguy_io_map, AS_IO, 8 )
AM_RANGE(0x04, 0x04) AM_READ_PORT("DSW2")
AM_RANGE(0x40, 0x43) AM_WRITE(cop01_vreg_w)
AM_RANGE(0x44, 0x44) AM_WRITE(cop01_sound_command_w)
AM_RANGE(0x45, 0x45) AM_WRITE(watchdog_reset_w) /* ? */
AM_RANGE(0x45, 0x45) AM_WRITE(cop01_irq_ack_w) /* ? */
ADDRESS_MAP_END
static ADDRESS_MAP_START( sound_map, AS_PROGRAM, 8 )
AM_RANGE(0x0000, 0x7fff) AM_ROM
AM_RANGE(0x8000, 0x8000) AM_READNOP /* irq ack? */
AM_RANGE(0x8000, 0x8000) AM_READ(cop01_sound_irq_ack_w)
AM_RANGE(0xc000, 0xc7ff) AM_RAM
ADDRESS_MAP_END
@ -416,6 +431,7 @@ static MACHINE_START( cop01 )
{
cop01_state *state = machine.driver_data<cop01_state>();
state->m_maincpu = machine.device<cpu_device>("maincpu");
state->m_audiocpu = machine.device<cpu_device>("audiocpu");
state->save_item(NAME(state->m_pulse));
@ -439,12 +455,12 @@ static MACHINE_RESET( cop01 )
static MACHINE_CONFIG_START( cop01, cop01_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80, 4000000) /* ???? */
MCFG_CPU_ADD("maincpu", Z80, MAINCPU_CLOCK/2) /* unknown divider */
MCFG_CPU_PROGRAM_MAP(cop01_map)
MCFG_CPU_IO_MAP(io_map)
MCFG_CPU_VBLANK_INT("screen", irq0_line_hold)
MCFG_CPU_VBLANK_INT("screen", irq0_line_assert)
MCFG_CPU_ADD("audiocpu", Z80, 3000000) /* ???? */
MCFG_CPU_ADD("audiocpu", Z80, AUDIOCPU_CLOCK/4) /* unknown divider */
MCFG_CPU_PROGRAM_MAP(sound_map)
MCFG_CPU_IO_MAP(audio_io_map)
@ -482,12 +498,12 @@ MACHINE_CONFIG_END
static MACHINE_CONFIG_START( mightguy, cop01_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80, 4000000) /* ???? */
MCFG_CPU_ADD("maincpu", Z80, MAINCPU_CLOCK/2) /* unknown divider */
MCFG_CPU_PROGRAM_MAP(cop01_map)
MCFG_CPU_IO_MAP(mightguy_io_map)
MCFG_CPU_VBLANK_INT("screen", irq0_line_hold)
MCFG_CPU_VBLANK_INT("screen", irq0_line_assert)
MCFG_CPU_ADD("audiocpu", Z80, 3000000) /* ???? */
MCFG_CPU_ADD("audiocpu", Z80, AUDIOCPU_CLOCK/4) /* unknown divider */
MCFG_CPU_PROGRAM_MAP(sound_map)
MCFG_CPU_IO_MAP(mightguy_audio_io_map)
@ -512,7 +528,7 @@ static MACHINE_CONFIG_START( mightguy, cop01_state )
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("ymsnd", YM3526, 4000000)
MCFG_SOUND_ADD("ymsnd", YM3526, AUDIOCPU_CLOCK/2) /* unknown divider */
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_CONFIG_END
@ -660,4 +676,4 @@ static DRIVER_INIT( mightguy )
GAME( 1985, cop01, 0, cop01, cop01, 0, ROT0, "Nichibutsu", "Cop 01 (set 1)", GAME_SUPPORTS_SAVE )
GAME( 1985, cop01a, cop01, cop01, cop01, 0, ROT0, "Nichibutsu", "Cop 01 (set 2)", GAME_SUPPORTS_SAVE )
GAME( 1986, mightguy, 0, mightguy, mightguy, mightguy, ROT270, "Nichibutsu", "Mighty Guy", GAME_NOT_WORKING | GAME_UNEMULATED_PROTECTION | GAME_NO_SOUND | GAME_SUPPORTS_SAVE )
GAME( 1986, mightguy, 0, mightguy, mightguy, mightguy, ROT270, "Nichibutsu", "Mighty Guy", GAME_NO_SOUND | GAME_SUPPORTS_SAVE )

1
src/mame/includes/cop01.h
View File

@ -26,6 +26,7 @@ public:
int m_timer; // kludge for ym3526 in mightguy
/* devices */
cpu_device *m_maincpu;
cpu_device *m_audiocpu;
};