mirror of
https://github.com/holub/mame
synced 2025-04-19 23:12:11 +03:00
megadriv bootleg modernization (nw)
This commit is contained in:
Miodrag Milanovic
parent
7ccedf2bd5
commit
6b29bdadce
@ -264,7 +264,7 @@ connector, but of course, I can be wrong.
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*
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*************************************/
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static WRITE16_HANDLER( aladmdb_w )
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WRITE16_MEMBER(md_boot_state::aladmdb_w )
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{
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/*
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Values returned from the log file :
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@ -276,20 +276,19 @@ static WRITE16_HANDLER( aladmdb_w )
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logerror("aladmdb_w : %06x - data = %04x\n",space.device().safe_pc(),data);
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}
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static READ16_HANDLER( aladmdb_r )
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READ16_MEMBER(md_boot_state::aladmdb_r )
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{
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md_boot_state *state = space.machine().driver_data<md_boot_state>();
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if (space.device().safe_pc()==0x1b2a56)
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{
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state->m_aladmdb_mcu_port = state->ioport("MCU")->read();
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m_aladmdb_mcu_port = ioport("MCU")->read();
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if (state->m_aladmdb_mcu_port & 0x100)
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return ((state->m_aladmdb_mcu_port & 0x0f) | 0x100); // coin inserted, calculate the number of coins
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if (m_aladmdb_mcu_port & 0x100)
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return ((m_aladmdb_mcu_port & 0x0f) | 0x100); // coin inserted, calculate the number of coins
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else
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return (0x100); //MCU status, needed if you fall into a pitfall
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}
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if (space.device().safe_pc()==0x1b2a72) return 0x0000;
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if (space.device().safe_pc()==0x1b2d24) return (space.machine().root_device().ioport("MCU")->read() & 0x00f0) | 0x1200; // difficulty
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if (space.device().safe_pc()==0x1b2d24) return (ioport("MCU")->read() & 0x00f0) | 0x1200; // difficulty
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if (space.device().safe_pc()==0x1b2d4e) return 0x0000;
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logerror("aladbl_r : %06x\n",space.device().safe_pc());
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@ -297,29 +296,101 @@ static READ16_HANDLER( aladmdb_r )
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return 0x0000;
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}
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static READ16_HANDLER( mk3mdb_dsw_r )
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READ16_MEMBER(md_boot_state::mk3mdb_dsw_r )
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{
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static const char *const dswname[3] = { "DSWA", "DSWB", "DSWC" };
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return space.machine().root_device().ioport(dswname[offset])->read();
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return ioport(dswname[offset])->read();
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}
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static READ16_HANDLER( ssf2mdb_dsw_r )
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READ16_MEMBER(md_boot_state::ssf2mdb_dsw_r )
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{
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static const char *const dswname[3] = { "DSWA", "DSWB", "DSWC" };
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return space.machine().root_device().ioport(dswname[offset])->read();
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return ioport(dswname[offset])->read();
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}
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static READ16_HANDLER( srmdb_dsw_r )
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READ16_MEMBER(md_boot_state::srmdb_dsw_r )
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{
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static const char *const dswname[3] = { "DSWA", "DSWB", "DSWC" };
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return space.machine().root_device().ioport(dswname[offset])->read();
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return ioport(dswname[offset])->read();
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}
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static READ16_HANDLER( topshoot_200051_r )
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READ16_MEMBER(md_boot_state::topshoot_200051_r )
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{
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return -0x5b;
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}
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// jzth protection
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WRITE16_MEMBER(md_boot_state::bl_710000_w)
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{
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int pc = space.device().safe_pc();
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logerror("%06x writing to bl_710000_w %04x %04x\n", pc, data, mem_mask);
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// protection value is read from 0x710000 after a series of writes.. and stored at ff0007
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// startup
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/*
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059ce0 writing to bl_710000_w ff08 ffff
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059d04 writing to bl_710000_w 000a ffff
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059d04 writing to bl_710000_w 000b ffff
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059d04 writing to bl_710000_w 000c ffff
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059d04 writing to bl_710000_w 000f ffff
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059d1c writing to bl_710000_w ff09 ffff
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059d2a reading from bl_710000_r (wants 0xe)
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059ce0 writing to bl_710000_w ff08 ffff
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059d04 writing to bl_710000_w 000a ffff
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059d04 writing to bl_710000_w 000b ffff
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059d04 writing to bl_710000_w 000c ffff
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059d04 writing to bl_710000_w 000f ffff
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059d1c writing to bl_710000_w ff09 ffff
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059d2a reading from bl_710000_r (wants 0xe)
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*/
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// before lv stage 3
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/*
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059ce0 writing to bl_710000_w 0008 ffff
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059d04 writing to bl_710000_w 000b ffff
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059d04 writing to bl_710000_w 000f ffff
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059d1c writing to bl_710000_w ff09 ffff
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059d2a reading from bl_710000_r (wants 0x4)
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*/
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// start level 3
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/*
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059ce0 writing to bl_710000_w ff08 ffff
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059d04 writing to bl_710000_w 000b ffff
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059d04 writing to bl_710000_w 000c ffff
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059d04 writing to bl_710000_w 000e ffff
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059d1c writing to bl_710000_w ff09 ffff
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059d2a reading from bl_710000_r (wants 0x5)
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// after end sequence
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059ce0 writing to bl_710000_w 0008 ffff
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059d04 writing to bl_710000_w 000a ffff
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059d04 writing to bl_710000_w 000b ffff
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059d04 writing to bl_710000_w 000c ffff
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059d04 writing to bl_710000_w 000f ffff
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059d1c writing to bl_710000_w ff09 ffff
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059d2a reading from bl_710000_r (wants 0xe)
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*/
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m_protcount++;
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}
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READ16_MEMBER(md_boot_state::bl_710000_r)
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{
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UINT16 ret;
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int pc = space.device().safe_pc();
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logerror("%06x reading from bl_710000_r\n", pc);
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if (m_protcount==6) { ret = 0xe; }
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else if (m_protcount==5) { ret = 0x5; }
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else if (m_protcount==4) { ret = 0x4; }
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else ret = 0xf;
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m_protcount = 0;
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return ret;
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}
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/*************************************
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*
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* Game-specific port definitions
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@ -664,8 +735,8 @@ DRIVER_INIT_MEMBER(md_boot_state,aladmdb)
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#endif
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// 220000 = writes to mcu? 330000 = reads?
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machine().device("maincpu")->memory().space(AS_PROGRAM).install_legacy_write_handler(0x220000, 0x220001, FUNC(aladmdb_w));
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machine().device("maincpu")->memory().space(AS_PROGRAM).install_legacy_read_handler(0x330000, 0x330001, FUNC(aladmdb_r));
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machine().device("maincpu")->memory().space(AS_PROGRAM).install_write_handler(0x220000, 0x220001, write16_delegate(FUNC(md_boot_state::aladmdb_w),this));
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machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x330000, 0x330001, read16_delegate(FUNC(md_boot_state::aladmdb_r),this));
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m_megadrive_6buttons_pad = 0;
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DRIVER_INIT_CALL(megadrij);
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@ -714,7 +785,7 @@ DRIVER_INIT_MEMBER(md_boot_state,mk3mdb)
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rom[0x07] = 0x02;
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rom[0x06] = 0x10;
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machine().device("maincpu")->memory().space(AS_PROGRAM).install_legacy_read_handler(0x770070, 0x770075, FUNC(mk3mdb_dsw_r) );
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machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x770070, 0x770075, read16_delegate(FUNC(md_boot_state::mk3mdb_dsw_r),this));
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m_megadrive_6buttons_pad = 1;
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DRIVER_INIT_CALL(megadriv);
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@ -728,7 +799,7 @@ DRIVER_INIT_MEMBER(md_boot_state,ssf2mdb)
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machine().root_device().membank("bank5")->set_base(machine().root_device().memregion( "maincpu" )->base() + 0x400000 );
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machine().device("maincpu")->memory().space(AS_PROGRAM).install_legacy_read_handler(0x770070, 0x770075, FUNC(ssf2mdb_dsw_r) );
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machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x770070, 0x770075, read16_delegate(FUNC(md_boot_state::ssf2mdb_dsw_r),this));
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m_megadrive_6buttons_pad = 1;
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DRIVER_INIT_CALL(megadrij);
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@ -757,7 +828,7 @@ DRIVER_INIT_MEMBER(md_boot_state,srmdb)
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rom[0x06] = 0xd2;
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rom[0x07] = 0x00;
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machine().device("maincpu")->memory().space(AS_PROGRAM).install_legacy_read_handler(0x770070, 0x770075, FUNC(srmdb_dsw_r) );
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machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x770070, 0x770075, read16_delegate(FUNC(md_boot_state::srmdb_dsw_r),this));
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m_megadrive_6buttons_pad = 0;
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DRIVER_INIT_CALL(megadriv);
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@ -765,7 +836,7 @@ DRIVER_INIT_MEMBER(md_boot_state,srmdb)
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DRIVER_INIT_MEMBER(md_boot_state,topshoot)
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{
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machine().device("maincpu")->memory().space(AS_PROGRAM).install_legacy_read_handler(0x200050, 0x200051, FUNC(topshoot_200051_r) );
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machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x200050, 0x200051, read16_delegate(FUNC(md_boot_state::topshoot_200051_r),this));
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machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_port(0x200042, 0x200043, "IN0");
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machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_port(0x200044, 0x200045, "IN1");
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machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_port(0x200046, 0x200047, "IN2");
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@ -257,20 +257,20 @@ static ADDRESS_MAP_START( jzth_map, AS_PROGRAM, 16, md_boot_state )
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AM_RANGE(0x710000, 0x710001) AM_READWRITE(bl_710000_r,bl_710000_w) // protection, will erase the VDP address causing writes to 0 unless this returns 0xe
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ADDRESS_MAP_END
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static READ16_HANDLER(puckpkmna_70001c_r)
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READ16_MEMBER(md_boot_state::puckpkmna_70001c_r)
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{
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return 0x0e;
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}
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static READ16_HANDLER(puckpkmna_4b2476_r)
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READ16_MEMBER(md_boot_state::puckpkmna_4b2476_r)
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{
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return 0x3400;
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}
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static ADDRESS_MAP_START( puckpkmna_map, AS_PROGRAM, 16, md_boot_state )
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AM_IMPORT_FROM( puckpkmn_map )
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AM_RANGE(0x4b2476, 0x4b2477) AM_READ_LEGACY(puckpkmna_4b2476_r)
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AM_RANGE(0x70001c, 0x70001d) AM_READ_LEGACY(puckpkmna_70001c_r)
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AM_RANGE(0x4b2476, 0x4b2477) AM_READ(puckpkmna_4b2476_r)
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AM_RANGE(0x70001c, 0x70001d) AM_READ(puckpkmna_70001c_r)
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ADDRESS_MAP_END
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static MACHINE_CONFIG_START( puckpkmn, md_boot_state )
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@ -164,77 +164,6 @@ public:
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int m_protcount;
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// jzth protection
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DECLARE_WRITE16_MEMBER( bl_710000_w )
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{
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int pc = space.device().safe_pc();
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logerror("%06x writing to bl_710000_w %04x %04x\n", pc, data, mem_mask);
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// protection value is read from 0x710000 after a series of writes.. and stored at ff0007
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// startup
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/*
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059ce0 writing to bl_710000_w ff08 ffff
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059d04 writing to bl_710000_w 000a ffff
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059d04 writing to bl_710000_w 000b ffff
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059d04 writing to bl_710000_w 000c ffff
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059d04 writing to bl_710000_w 000f ffff
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059d1c writing to bl_710000_w ff09 ffff
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059d2a reading from bl_710000_r (wants 0xe)
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059ce0 writing to bl_710000_w ff08 ffff
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059d04 writing to bl_710000_w 000a ffff
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059d04 writing to bl_710000_w 000b ffff
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059d04 writing to bl_710000_w 000c ffff
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059d04 writing to bl_710000_w 000f ffff
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059d1c writing to bl_710000_w ff09 ffff
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059d2a reading from bl_710000_r (wants 0xe)
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*/
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// before lv stage 3
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/*
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059ce0 writing to bl_710000_w 0008 ffff
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059d04 writing to bl_710000_w 000b ffff
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059d04 writing to bl_710000_w 000f ffff
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059d1c writing to bl_710000_w ff09 ffff
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059d2a reading from bl_710000_r (wants 0x4)
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*/
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// start level 3
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/*
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059ce0 writing to bl_710000_w ff08 ffff
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059d04 writing to bl_710000_w 000b ffff
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059d04 writing to bl_710000_w 000c ffff
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059d04 writing to bl_710000_w 000e ffff
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059d1c writing to bl_710000_w ff09 ffff
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059d2a reading from bl_710000_r (wants 0x5)
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// after end sequence
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059ce0 writing to bl_710000_w 0008 ffff
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059d04 writing to bl_710000_w 000a ffff
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059d04 writing to bl_710000_w 000b ffff
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059d04 writing to bl_710000_w 000c ffff
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059d04 writing to bl_710000_w 000f ffff
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059d1c writing to bl_710000_w ff09 ffff
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059d2a reading from bl_710000_r (wants 0xe)
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*/
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m_protcount++;
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}
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DECLARE_READ16_MEMBER( bl_710000_r )
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{
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UINT16 ret;
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int pc = space.device().safe_pc();
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logerror("%06x reading from bl_710000_r\n", pc);
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if (m_protcount==6) { ret = 0xe; }
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else if (m_protcount==5) { ret = 0x5; }
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else if (m_protcount==4) { ret = 0x4; }
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else ret = 0xf;
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m_protcount = 0;
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return ret;
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}
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DECLARE_DRIVER_INIT(aladmdb);
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DECLARE_DRIVER_INIT(mk3mdb);
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DECLARE_DRIVER_INIT(ssf2mdb);
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@ -242,6 +171,16 @@ public:
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DECLARE_DRIVER_INIT(topshoot);
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DECLARE_DRIVER_INIT(puckpkmn);
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DECLARE_DRIVER_INIT(hshavoc);
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DECLARE_WRITE16_MEMBER( bl_710000_w );
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DECLARE_READ16_MEMBER( bl_710000_r );
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DECLARE_WRITE16_MEMBER( aladmdb_w );
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DECLARE_READ16_MEMBER( aladmdb_r );
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DECLARE_READ16_MEMBER( mk3mdb_dsw_r );
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DECLARE_READ16_MEMBER( ssf2mdb_dsw_r );
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DECLARE_READ16_MEMBER( srmdb_dsw_r );
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DECLARE_READ16_MEMBER( topshoot_200051_r );
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DECLARE_READ16_MEMBER(puckpkmna_70001c_r);
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DECLARE_READ16_MEMBER(puckpkmna_4b2476_r);
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};
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Block a user