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photon2.c: added save state support (nw)

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This commit is contained in:
Ivan Vangelista 2015-07-27 20:23:31 +02:00
parent 6b3867296c
commit a95f11f441
1 changed files with 35 additions and 23 deletions
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58
src/mame/drivers/photon2.c
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@ -21,27 +21,32 @@ public:
photon2_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this,"maincpu"),
m_spectrum_video_ram(*this, "spectrum_vram"),
m_speaker(*this, "speaker"){ }
m_speaker(*this, "speaker"),
m_spectrum_video_ram(*this, "spectrum_vram") { }
required_device<cpu_device> m_maincpu;
required_device<speaker_sound_device> m_speaker;
required_shared_ptr<UINT8> m_spectrum_video_ram;
int m_spectrum_frame_number;
int m_spectrum_flash_invert;
UINT8 m_spectrum_port_fe;
UINT8 m_nmi_enable;
DECLARE_WRITE8_MEMBER(photon2_membank_w);
DECLARE_READ8_MEMBER(photon2_fe_r);
DECLARE_WRITE8_MEMBER(photon2_fe_w);
DECLARE_WRITE8_MEMBER(photon2_misc_w);
virtual void machine_reset();
DECLARE_WRITE8_MEMBER(membank_w);
DECLARE_READ8_MEMBER(fe_r);
DECLARE_WRITE8_MEMBER(fe_w);
DECLARE_WRITE8_MEMBER(misc_w);
virtual void machine_start();
virtual void video_start();
DECLARE_PALETTE_INIT(photon2);
UINT32 screen_update_spectrum(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void screen_eof_spectrum(screen_device &screen, bool state);
TIMER_DEVICE_CALLBACK_MEMBER(spec_interrupt_hack);
required_device<speaker_sound_device> m_speaker;
};
@ -100,6 +105,10 @@ void photon2_state::video_start()
{
m_spectrum_frame_number = 0;
m_spectrum_flash_invert = 0;
save_item(NAME(m_spectrum_frame_number));
save_item(NAME(m_spectrum_flash_invert));
save_item(NAME(m_spectrum_port_fe));
}
#if 0
@ -187,7 +196,7 @@ UINT32 photon2_state::screen_update_spectrum(screen_device &screen, bitmap_ind16
*
*************************************/
WRITE8_MEMBER(photon2_state::photon2_membank_w)
WRITE8_MEMBER(photon2_state::membank_w)
{
int bank = 0;
if (data == 0)
@ -207,21 +216,21 @@ WRITE8_MEMBER(photon2_state::photon2_membank_w)
logerror( "Unknown banking write: %02X\n", data);
}
membank("bank1")->set_base(memregion("maincpu")->base() + 0x4000*bank );
membank("mainbank")->set_entry(bank);
}
READ8_MEMBER(photon2_state::photon2_fe_r)
READ8_MEMBER(photon2_state::fe_r)
{
return 0xff;
}
WRITE8_MEMBER(photon2_state::photon2_fe_w)
WRITE8_MEMBER(photon2_state::fe_w)
{
m_spectrum_port_fe = data;
m_speaker->level_w(BIT(data,4));
}
WRITE8_MEMBER(photon2_state::photon2_misc_w)
WRITE8_MEMBER(photon2_state::misc_w)
{
m_nmi_enable = !BIT(data,5);
}
@ -233,7 +242,7 @@ WRITE8_MEMBER(photon2_state::photon2_misc_w)
*************************************/
static ADDRESS_MAP_START (spectrum_mem, AS_PROGRAM, 8, photon2_state )
AM_RANGE(0x0000, 0x3fff) AM_ROMBANK("bank1")
AM_RANGE(0x0000, 0x3fff) AM_ROMBANK("mainbank")
AM_RANGE(0x4000, 0x5aff) AM_RAM AM_SHARE("spectrum_vram")
AM_RANGE(0x5b00, 0xffff) AM_RAM
ADDRESS_MAP_END
@ -241,11 +250,11 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START (spectrum_io, AS_IO, 8, photon2_state )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x1f, 0x1f) AM_READ_PORT("JOY")
AM_RANGE(0x5b, 0x5b) AM_READ_PORT("COIN") AM_WRITE(photon2_misc_w)
AM_RANGE(0x7a, 0x7a) AM_WRITE(photon2_membank_w)
AM_RANGE(0x5b, 0x5b) AM_READ_PORT("COIN") AM_WRITE(misc_w)
AM_RANGE(0x7a, 0x7a) AM_WRITE(membank_w)
AM_RANGE(0x7b, 0x7b) AM_WRITENOP // unknown write
AM_RANGE(0x7e, 0x7e) AM_WRITE(photon2_membank_w)
AM_RANGE(0xfe, 0xfe) AM_READWRITE(photon2_fe_r, photon2_fe_w)
AM_RANGE(0x7e, 0x7e) AM_WRITE(membank_w)
AM_RANGE(0xfe, 0xfe) AM_READWRITE(fe_r, fe_w)
ADDRESS_MAP_END
/*************************************
@ -316,9 +325,12 @@ TIMER_DEVICE_CALLBACK_MEMBER(photon2_state::spec_interrupt_hack)
}
}
void photon2_state::machine_reset()
void photon2_state::machine_start()
{
membank("bank1")->set_base(memregion("maincpu")->base());
membank("mainbank")->configure_entries(0, 4, memregion("maincpu")->base(), 0x4000);
membank("mainbank")->set_entry(0);
save_item(NAME(m_nmi_enable));
}
static MACHINE_CONFIG_START( photon2, photon2_state )
@ -383,6 +395,6 @@ ROM_START( brod )
ROM_LOAD( "brod13.bin", 0xa000, 0x2000, CRC(1177cd17) SHA1(58c5c09a7b857ce6311339c4d0f4d8c1a7e232a3) )
ROM_END
GAME( 19??, kok, 0, photon2, photon2, driver_device, 0, ROT0, "bootleg", "Povar / Sobrat' Buran / Agroprom (Arcade multi-game bootleg of ZX Spectrum 'Cookie', 'Jetpac' & 'Pssst')", 0 ) // originals (c)1983 ACG / Ultimate
GAME( 19??, black, 0, photon2, black, driver_device, 0, ROT0, "bootleg", "Czernyj Korabl (Arcade bootleg of ZX Spectrum 'Blackbeard')", 0 ) // original (c)1988 Toposoft
GAME( 19??, brod, 0, photon2, black, driver_device, 0, ROT0, "bootleg", "Brodjaga (Arcade bootleg of ZX Spectrum 'Inspector Gadget and the Circus of Fear')", 0 ) // original (c)1987 BEAM software
GAME( 19??, kok, 0, photon2, photon2, driver_device, 0, ROT0, "bootleg", "Povar / Sobrat' Buran / Agroprom (Arcade multi-game bootleg of ZX Spectrum 'Cookie', 'Jetpac' & 'Pssst')", GAME_SUPPORTS_SAVE ) // originals (c)1983 ACG / Ultimate
GAME( 19??, black, 0, photon2, black, driver_device, 0, ROT0, "bootleg", "Czernyj Korabl (Arcade bootleg of ZX Spectrum 'Blackbeard')", GAME_SUPPORTS_SAVE ) // original (c)1988 Toposoft
GAME( 19??, brod, 0, photon2, black, driver_device, 0, ROT0, "bootleg", "Brodjaga (Arcade bootleg of ZX Spectrum 'Inspector Gadget and the Circus of Fear')", GAME_SUPPORTS_SAVE ) // original (c)1987 BEAM software