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p47b: Add ADPCM sample playback through extra Z80

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This commit is contained in:
AJR 2019-10-17 22:40:13 -04:00
parent b9dd24a6b5
commit 0264d6f118
2 changed files with 32 additions and 5 deletions
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33
src/mame/drivers/megasys1.cpp
View File

@ -504,6 +504,15 @@ READ8_MEMBER(megasys1_state::oki_status_r)
return m_oki[Chip]->read();
}
void megasys1_state::p47b_adpcm_w(offs_t offset, u8 data)
{
// bit 6 is always set
m_p47b_adpcm[offset]->reset_w(BIT(data, 7));
m_p47b_adpcm[offset]->write_data(data & 0x0f);
m_p47b_adpcm[offset]->vclk_w(1);
m_p47b_adpcm[offset]->vclk_w(0);
}
/***************************************************************************
[ Sound CPU - System A ]
***************************************************************************/
@ -548,18 +557,21 @@ void megasys1_state::p47b_sound_map(address_map &map)
map(0x060000, 0x060001).w(m_soundlatch[1], FUNC(generic_latch_16_device::write)); // to main cpu?
map(0x080000, 0x080003).rw("ymsnd", FUNC(ym2203_device::read), FUNC(ym2203_device::write)).umask16(0x00ff);
map(0x0a0000, 0x0a0003).noprw(); // OKI1 on the original
map(0x0c0000, 0x0c0003).noprw(); // OKI2 on the original
map(0x0c0001, 0x0c0001).w("soundlatch3", FUNC(generic_latch_8_device::write));
map(0x0c0002, 0x0c0003).noprw(); // OKI2 on the original
map(0x0e0000, 0x0fffff).ram();
}
void megasys1_state::p47b_extracpu_prg_map(address_map &map) // TODO
{
map(0x0000, 0xffff).rom();
map(0x0000, 0xffff).rom().nopw();
}
void megasys1_state::p47b_extracpu_io_map(address_map &map)
{
map.global_mask(0xff);
map(0x00, 0x01).w(FUNC(megasys1_state::p47b_adpcm_w));
map(0x01, 0x01).r("soundlatch3", FUNC(generic_latch_8_device::read));
}
/***************************************************************************
@ -1785,11 +1797,22 @@ void megasys1_state::p47b(machine_config &config)
// probably for driving the OKI M5205
z80_device &extracpu(Z80(config, "extracpu", 7.2_MHz_XTAL / 2)); // divisor not verified
extracpu.set_periodic_int(FUNC(megasys1_state::irq0_line_hold), attotime::from_hz(4*56));
extracpu.set_periodic_int(FUNC(megasys1_state::irq0_line_hold), attotime::from_hz(8000));
extracpu.set_addrmap(AS_PROGRAM, &megasys1_state::p47b_extracpu_prg_map);
extracpu.set_addrmap(AS_IO, &megasys1_state::p47b_extracpu_io_map);
GENERIC_LATCH_8(config, "soundlatch3");
// OKI M5205
MSM5205(config, m_p47b_adpcm[0], 384000);
m_p47b_adpcm[0]->set_prescaler_selector(msm5205_device::SEX_4B);
m_p47b_adpcm[0]->add_route(ALL_OUTPUTS, "lspeaker", 1.0);
m_p47b_adpcm[0]->add_route(ALL_OUTPUTS, "rspeaker", 1.0);
MSM5205(config, m_p47b_adpcm[1], 384000);
m_p47b_adpcm[1]->set_prescaler_selector(msm5205_device::SEX_4B);
m_p47b_adpcm[1]->add_route(ALL_OUTPUTS, "lspeaker", 1.0);
m_p47b_adpcm[1]->add_route(ALL_OUTPUTS, "rspeaker", 1.0);
}
void megasys1_state::system_B(machine_config &config)
@ -3614,7 +3637,7 @@ ROM_START( p47b ) // very similar to original hardware but for the sound system
ROM_LOAD16_BYTE( "3.bin", 0x000000, 0x010000, CRC(617906d6) SHA1(79b43de70a51840f9980b5e3b9c769df0ec23060) )
ROM_LOAD16_BYTE( "2.bin", 0x000001, 0x010000, CRC(cde8f971) SHA1(dc529799584065749d43c79a42a0296db015f810) )
ROM_REGION( 0x10000, "extracpu", 0 ) /* Extra Z80 CPU Code, what's this for? */
ROM_REGION( 0x10000, "extracpu", 0 ) /* Extra Z80 CPU Code, code very similar to Street Fighter */
ROM_LOAD( "1.bin", 0x000000, 0x010000, CRC(5c38bf63) SHA1(8d4750e0b54602c38041ee6dd17007c3cc5cc938) )
ROM_REGION( 0x080000, "scroll0", 0 ) /* Scroll 0, identical to p47 set but with smaller ROMs */
@ -4934,7 +4957,7 @@ GAME( 1988, makaiden, lomakai, system_Z, lomakai, megasys1_state, emp
GAME( 1988, p47, 0, system_A, p47, megasys1_state, empty_init, ROT0, "Jaleco", "P-47 - The Phantom Fighter (World)", MACHINE_SUPPORTS_SAVE )
GAME( 1988, p47j, p47, system_A, p47, megasys1_state, empty_init, ROT0, "Jaleco", "P-47 - The Freedom Fighter (Japan)", MACHINE_SUPPORTS_SAVE )
GAME( 1988, p47je, p47, system_A, p47, megasys1_state, empty_init, ROT0, "Jaleco", "P-47 - The Freedom Fighter (Japan, Export)", MACHINE_SUPPORTS_SAVE )
GAME( 1988, p47b, p47, p47b, p47, megasys1_state, empty_init, ROT0, "bootleg","P-47 - The Freedom Fighter (World, bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE ) // missing SFX
GAME( 1988, p47b, p47, p47b, p47, megasys1_state, empty_init, ROT0, "bootleg","P-47 - The Freedom Fighter (World, bootleg)", MACHINE_SUPPORTS_SAVE )
GAME( 1988, kickoff, 0, system_A, kickoff, megasys1_state, empty_init, ROT0, "Jaleco", "Kick Off (Japan)", MACHINE_SUPPORTS_SAVE )
GAME( 1988, kickoffb, kickoff, kickoffb, kickoff, megasys1_state, empty_init, ROT0, "bootleg (Comodo)", "Kick Off (bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE ) // OKI needs to be checked
GAME( 1988, tshingen, 0, system_A, tshingen, megasys1_state, init_phantasm, ROT0, "Jaleco", "Shingen Samurai-Fighter (Japan, English)", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )

4
src/mame/includes/megasys1.h
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@ -14,6 +14,7 @@
#include "machine/gen_latch.h"
#include "machine/timer.h"
#include "sound/msm5205.h"
#include "sound/okim6295.h"
#include "video/ms1_tmap.h"
#include "emupal.h"
@ -31,6 +32,7 @@ public:
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_oki(*this, "oki%u", 1U),
m_p47b_adpcm(*this, "msm%u", 1U),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"),
m_screen(*this, "screen"),
@ -94,6 +96,7 @@ private:
required_device<cpu_device> m_maincpu;
optional_device<cpu_device> m_audiocpu;
optional_device_array<okim6295_device, 2> m_oki;
optional_device_array<msm5205_device, 2> m_p47b_adpcm;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_device<screen_device> m_screen;
@ -168,6 +171,7 @@ private:
void megasys1_set_vreg_flag(int which, int data);
template<int Chip> DECLARE_READ8_MEMBER(oki_status_r);
DECLARE_WRITE16_MEMBER(ram_w);
void p47b_adpcm_w(offs_t offset, u8 data);
DECLARE_MACHINE_RESET(megasys1);
DECLARE_VIDEO_START(megasys1);