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galaxian.c (froggermc): thanks to Duke, sound hook up is now more in line with schematics (nw)

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This commit is contained in:
Ivan Vangelista 2015-10-15 18:50:41 +02:00
parent 3ccb79bbbb
commit f2d7ec807c
2 changed files with 23 additions and 12 deletions
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30
src/mame/drivers/galaxian.c
View File

@ -851,11 +851,18 @@ READ8_MEMBER(galaxian_state::frogger_sound_timer_r)
}
WRITE8_MEMBER(galaxian_state::froggrmc_sound_control_w)
WRITE8_MEMBER(galaxian_state::froggermc_sound_control_w)
{
m_audiocpu->set_input_line(0, (data & 1) ? CLEAR_LINE : ASSERT_LINE);
m_audiocpu->set_input_line(INPUT_LINE_IRQ0, ASSERT_LINE);
}
IRQ_CALLBACK_MEMBER(galaxian_state::froggermc_audiocpu_irq_ack)
{
// cleared when taking the interrupt using the m1 line
// schematic: http://www.jrok.com/schem/FROGSND.pdf
m_audiocpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE);
return 0xff;
}
/*************************************
*
@ -3722,7 +3729,7 @@ static INPUT_PORTS_START( frogger )
INPUT_PORTS_END
static INPUT_PORTS_START( froggrmc )
static INPUT_PORTS_START( froggermc )
PORT_START("IN0")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 )
@ -3763,7 +3770,7 @@ INPUT_PORTS_END
static INPUT_PORTS_START( frogg )
PORT_INCLUDE(froggrmc)
PORT_INCLUDE(froggermc)
PORT_MODIFY("IN0")
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_SPECIAL ) // See notes
@ -5332,12 +5339,15 @@ static MACHINE_CONFIG_DERIVED( frogger, konami_base )
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( froggrmc, galaxian_base )
static MACHINE_CONFIG_DERIVED( froggermc, galaxian_base )
MCFG_FRAGMENT_ADD(konami_sound_1x_ay8910)
/* alternate memory map */
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_PROGRAM_MAP(mooncrst_map_base) /* no discrete sound ! */
MCFG_CPU_MODIFY("audiocpu")
MCFG_CPU_IRQ_ACKNOWLEDGE_DEVICE(DEVICE_SELF, galaxian_state, froggermc_audiocpu_irq_ack)
MACHINE_CONFIG_END
@ -5762,7 +5772,7 @@ void galaxian_state::decode_frogger_sound()
rombase[offs] = BITSWAP8(rombase[offs], 7,6,5,4,3,2,0,1);
}
// froggrmc has a bigger first ROM of the sound CPU, thus a different decode
// froggermc has a bigger first ROM of the sound CPU, thus a different decode
void galaxian_state::decode_froggermc_sound()
{
UINT8 *rombase = memregion("audiocpu")->base();
@ -5828,7 +5838,7 @@ void galaxian_state::decode_superbon()
offs_t i;
UINT8 *RAM;
/* Deryption worked out by hand by Chris Hardy. */
/* Decryption worked out by hand by Chris Hardy. */
RAM = memregion("maincpu")->base();
@ -6589,7 +6599,7 @@ DRIVER_INIT_MEMBER(galaxian_state,quaak)
}
DRIVER_INIT_MEMBER(galaxian_state,froggrmc)
DRIVER_INIT_MEMBER(galaxian_state,froggermc)
{
address_space &space = m_maincpu->space(AS_PROGRAM);
@ -6597,7 +6607,7 @@ DRIVER_INIT_MEMBER(galaxian_state,froggrmc)
common_init(NULL, &galaxian_state::frogger_draw_background, &galaxian_state::frogger_extend_tile_info, &galaxian_state::frogger_extend_sprite_info);
space.install_write_handler(0xa800, 0xa800, 0, 0x7ff, write8_delegate(FUNC(galaxian_state::soundlatch_byte_w),this));
space.install_write_handler(0xb001, 0xb001, 0, 0x7f8, write8_delegate(FUNC(galaxian_state::froggrmc_sound_control_w),this));
space.install_write_handler(0xb001, 0xb001, 0, 0x7f8, write8_delegate(FUNC(galaxian_state::froggermc_sound_control_w),this));
/* actually needs 2k of RAM */
space.install_ram(0x8000, 0x87ff);
@ -10966,7 +10976,7 @@ GAME( 1980, kingballj, kingball, kingball, kingball, galaxian_state, kingb
GAME( 1981, frogger, 0, frogger, frogger, galaxian_state, frogger, ROT90, "Konami", "Frogger", MACHINE_SUPPORTS_SAVE )
GAME( 1981, froggers1, frogger, frogger, frogger, galaxian_state, frogger, ROT90, "Konami (Sega license)", "Frogger (Sega set 1)", MACHINE_SUPPORTS_SAVE )
GAME( 1981, froggers2, frogger, frogger, frogger, galaxian_state, frogger, ROT90, "Konami (Sega license)", "Frogger (Sega set 2)", MACHINE_SUPPORTS_SAVE )
GAME( 1981, froggermc, frogger, froggrmc, froggrmc, galaxian_state, froggrmc, ROT90, "Konami (Sega license)", "Frogger (Moon Cresta hardware)", MACHINE_SUPPORTS_SAVE )
GAME( 1981, froggermc, frogger, froggermc, froggermc, galaxian_state, froggermc, ROT90, "Konami (Sega license)", "Frogger (Moon Cresta hardware)", MACHINE_SUPPORTS_SAVE )
GAME( 1981, froggers, frogger, froggers, frogger, galaxian_state, froggers, ROT90, "bootleg", "Frog", MACHINE_SUPPORTS_SAVE )
GAME( 1981, frogf, frogger, frogf, frogger, galaxian_state, froggers, ROT90, "bootleg (Falcon)", "Frog (Falcon bootleg)", MACHINE_SUPPORTS_SAVE )
GAME( 1981, frogg, frogger, galaxian, frogg, galaxian_state, frogg, ROT90, "bootleg", "Frog (Galaxian hardware)", MACHINE_SUPPORTS_SAVE )

5
src/mame/includes/galaxian.h
View File

@ -158,7 +158,8 @@ public:
DECLARE_WRITE8_MEMBER(frogger_ppi8255_w);
DECLARE_READ8_MEMBER(frogger_ay8910_r);
DECLARE_WRITE8_MEMBER(frogger_ay8910_w);
DECLARE_WRITE8_MEMBER(froggrmc_sound_control_w);
IRQ_CALLBACK_MEMBER(froggermc_audiocpu_irq_ack);
DECLARE_WRITE8_MEMBER(froggermc_sound_control_w);
DECLARE_READ8_MEMBER(frogf_ppi8255_r);
DECLARE_WRITE8_MEMBER(frogf_ppi8255_w);
DECLARE_READ8_MEMBER(turtles_ppi8255_0_r);
@ -245,7 +246,7 @@ public:
DECLARE_DRIVER_INIT(scobrae);
DECLARE_DRIVER_INIT(losttomb);
DECLARE_DRIVER_INIT(frogger);
DECLARE_DRIVER_INIT(froggrmc);
DECLARE_DRIVER_INIT(froggermc);
DECLARE_DRIVER_INIT(froggers);
DECLARE_DRIVER_INIT(quaak);
DECLARE_DRIVER_INIT(turtles);