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machine promoted to working

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Sonic The Hedgehog 2 (bootleg of Megadrive version) [Ivan Vangelista]
This commit is contained in:
Ivan Vangelista 2019-01-11 22:43:45 +01:00
parent f12f735f54
commit f5de528ee3
2 changed files with 84 additions and 4 deletions
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85
src/mame/drivers/megadriv_acbl.cpp
View File

@ -309,7 +309,7 @@ WRITE16_MEMBER(md_boot_state::aladmdb_w )
- aladmdb_w : 1b2d18 - data = aa00 (only once on reset)
- aladmdb_w : 1b2d42 - data = 0000 (only once on reset)
*/
logerror("aladmdb_w : %06x - data = %04x\n",m_maincpu->pc(),data);
//logerror("aladmdb_w : %06x - data = %04x\n",m_maincpu->pc(),data);
}
READ16_MEMBER(md_boot_state::aladmdb_r )
@ -328,6 +328,35 @@ READ16_MEMBER(md_boot_state::aladmdb_r )
if (m_maincpu->pc()==0x1b2d4e) return 0x0000;
logerror("aladbl_r : %06x\n",m_maincpu->pc());
return 0x0000;
}
READ16_MEMBER(md_boot_state::sonic2mb_r )
{
if (m_maincpu->pc()==0x00010a)
{
m_aladmdb_mcu_port = ioport("MCU")->read();
return ioport("COIN")->read() & 0x03;
}
if (m_maincpu->pc()==0x000318) { return ((m_aladmdb_mcu_port) << 8); } // DSW
//logerror("sonic2mb_r : %06x\n",m_maincpu->pc());
return 0x0000;
}
READ16_MEMBER(md_boot_state::twinktmb_r )
{
if (m_maincpu->pc()==0x02f81e)
{
return machine().rand() & 0xffff; // TODO: obviously wrong, rand() gets in game
}
if (m_maincpu->pc()==0x02f84e) return 0x0000; // what's this?
//logerror("twinktmb_r : %06x\n",m_maincpu->pc());
return 0x0000;
}
@ -608,6 +637,45 @@ INPUT_PORTS_START( aladmdb )
PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_IMPULSE(1) /* needed to avoid credits getting mad */
INPUT_PORTS_END
INPUT_PORTS_START( sonic2mb )
PORT_INCLUDE( aladmdb )
/* As I don't know how it is on real hardware, this is more a guess than anything */
PORT_MODIFY("MCU")
PORT_DIPNAME( 0x03, 0x02, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW1:1,2") // recognized only after soft reset?
PORT_DIPSETTING( 0x00, "1" )
PORT_DIPSETTING( 0x01, "2" )
PORT_DIPSETTING( 0x02, "3" )
PORT_DIPSETTING( 0x03, "4" )
PORT_DIPUNKNOWN_DIPLOC(0x04, 0x04, "SW1:3")
PORT_DIPUNKNOWN_DIPLOC(0x08, 0x08, "SW1:4")
PORT_DIPUNKNOWN_DIPLOC(0x10, 0x10, "SW1:5")
PORT_DIPUNKNOWN_DIPLOC(0x20, 0x20, "SW1:6")
PORT_DIPUNKNOWN_DIPLOC(0x40, 0x40, "SW1:7")
PORT_DIPUNKNOWN_DIPLOC(0x80, 0x80, "SW1:8")
PORT_DIPUNUSED( 0x100, IP_ACTIVE_HIGH )
PORT_START("COIN")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_COIN2 )
INPUT_PORTS_END
INPUT_PORTS_START( twinktmb )
PORT_INCLUDE( aladmdb )
/* As I don't know how it is on real hardware, this is more a guess than anything */
PORT_MODIFY("MCU")
PORT_DIPUNKNOWN_DIPLOC(0x01, 0x01, "SW1:1")
PORT_DIPUNKNOWN_DIPLOC(0x02, 0x02, "SW1:2")
PORT_DIPUNKNOWN_DIPLOC(0x04, 0x04, "SW1:3")
PORT_DIPUNKNOWN_DIPLOC(0x08, 0x08, "SW1:4")
PORT_DIPUNKNOWN_DIPLOC(0x10, 0x10, "SW1:5")
PORT_DIPUNKNOWN_DIPLOC(0x20, 0x20, "SW1:6")
PORT_DIPUNKNOWN_DIPLOC(0x40, 0x40, "SW1:7")
PORT_DIPUNKNOWN_DIPLOC(0x80, 0x80, "SW1:8")
INPUT_PORTS_END
/* verified from M68000 code */
INPUT_PORTS_START( srmdb )
PORT_INCLUDE( md_common )
@ -977,6 +1045,15 @@ void md_boot_state::init_barek3()
init_megadrij();
}
void md_boot_state::init_sonic2mb()
{
// 100000 = writes to mcu? 300000 = reads?
m_maincpu->space(AS_PROGRAM).install_write_handler(0x100000, 0x100001, write16_delegate(FUNC(md_boot_state::aladmdb_w),this));
m_maincpu->space(AS_PROGRAM).install_read_handler(0x300000, 0x300001, read16_delegate(FUNC(md_boot_state::sonic2mb_r),this));
init_megadrij();
}
void md_boot_state::init_twinktmb()
{
// boot vectors don't seem to be valid, so they are patched...
@ -987,7 +1064,7 @@ void md_boot_state::init_twinktmb()
rom[0x07] = 0x46;
rom[0x06] = 0xcc;
init_megadrij();
init_sonic2mb();
}
/*************************************
@ -1001,6 +1078,6 @@ GAME( 1996, mk3mdb, 0, megadrvb_6b, mk3mdb, md_boot_state, init_mk3mdb, R
GAME( 1994, ssf2mdb, 0, megadrvb_6b, ssf2mdb, md_boot_state, init_ssf2mdb, ROT0, "bootleg / Capcom", "Super Street Fighter II - The New Challengers (bootleg of Japanese MegaDrive version)", 0)
GAME( 1993, srmdb, 0, megadrvb, srmdb, md_boot_state, init_srmdb, ROT0, "bootleg / Konami", "Sunset Riders (bootleg of Megadrive version)", 0)
GAME( 1995, topshoot, 0, md_bootleg, topshoot, md_boot_state, init_topshoot, ROT0, "Sun Mixing", "Top Shooter", 0)
GAME( 1993, sonic2mb, 0, megadrvb, aladmdb, md_boot_state, init_aladmdb, ROT0, "bootleg / Sega", "Sonic The Hedgehog 2 (bootleg of Megadrive version)", MACHINE_NOT_WORKING )
GAME( 1993, sonic2mb, 0, md_bootleg, sonic2mb, md_boot_state, init_sonic2mb, ROT0, "bootleg / Sega", "Sonic The Hedgehog 2 (bootleg of Megadrive version)", MACHINE_UNEMULATED_PROTECTION ) // simulation incomplete, needs PIC decap
GAME( 1994, barek3mb, 0, megadrvb, barek3, md_boot_state, init_barek3, ROT0, "bootleg / Sega", "Bare Knuckle III (bootleg of Megadrive version)", 0 )
GAME( 1993, twinktmb, 0, megadrvb, aladmdb, md_boot_state, init_twinktmb, ROT0, "bootleg / Sega", "Twinkle Tale (bootleg of Megadrive version)", MACHINE_NOT_WORKING ) // inputs not hooked up, possibly go through pic?
GAME( 1993, twinktmb, 0, md_bootleg, twinktmb, md_boot_state, init_twinktmb, ROT0, "bootleg / Sega", "Twinkle Tale (bootleg of Megadrive version)", MACHINE_UNEMULATED_PROTECTION | MACHINE_NOT_WORKING ) // needs PIC decap or simulation

3
src/mame/includes/megadriv_acbl.h
View File

@ -25,6 +25,7 @@ public:
void init_puckpkmn();
void init_hshavoc();
void init_barek3();
void init_sonic2mb();
void init_twinktmb();
private:
@ -32,6 +33,8 @@ private:
DECLARE_READ16_MEMBER(bl_710000_r);
DECLARE_WRITE16_MEMBER(aladmdb_w);
DECLARE_READ16_MEMBER(aladmdb_r);
DECLARE_READ16_MEMBER(sonic2mb_r);
DECLARE_READ16_MEMBER(twinktmb_r);
DECLARE_READ16_MEMBER(mk3mdb_dsw_r);
DECLARE_READ16_MEMBER(ssf2mdb_dsw_r);
DECLARE_READ16_MEMBER(srmdb_dsw_r);