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system16.cpp: decrypted wb3bble. Still not working because GFX and sound need to be emulated correctly (nw)

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This commit is contained in:
Ivan Vangelista 2019-06-13 17:45:42 +02:00
parent 2b289f7e66
commit b46a846c44
2 changed files with 92 additions and 2 deletions
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87
src/mame/drivers/system16.cpp
View File

@ -331,6 +331,35 @@ void segas1x_bootleg_state::wb3bbl_map(address_map &map)
map(0xff0000, 0xffffff).ram(); // work ram
}
void segas1x_bootleg_state::wb3bble_map(address_map &map) // TODO: everything needs to be checked / fixed
{
map(0x000000, 0x03ffff).rom();
map(0x400000, 0x407fff).ram().w(FUNC(segas1x_bootleg_state::sys16_tileram_w)).share("tileram");
map(0x410000, 0x410fff).ram().w(FUNC(segas1x_bootleg_state::sys16_textram_w)).share("textram");
map(0x440000, 0x440fff).ram().share("sprites");
map(0x840000, 0x840fff).ram().w(FUNC(segas1x_bootleg_state::paletteram_w)).share("paletteram");
map(0xc40002, 0xc40003).w(FUNC(segas1x_bootleg_state::wb3bble_refreshenable_w));
map(0xc41000, 0xc41001).portr("SERVICE");
map(0xc41002, 0xc41003).portr("P1");
map(0xc41004, 0xc41005).portr("P2");
map(0xc42000, 0xc42001).portr("DSW2");
map(0xc42002, 0xc42003).portr("DSW1");
map(0xc42006, 0xc42007).w(FUNC(segas1x_bootleg_state::sound_command_irq_w));
map(0xc44000, 0xc44001).nopw();
map(0xc46000, 0xc46001).w(FUNC(segas1x_bootleg_state::s16bl_bgscrolly_w));
map(0xc46002, 0xc46003).w(FUNC(segas1x_bootleg_state::s16bl_bgscrollx_w));
map(0xc46004, 0xc46005).w(FUNC(segas1x_bootleg_state::s16bl_fgscrolly_w));
map(0xc46006, 0xc46007).w(FUNC(segas1x_bootleg_state::s16bl_fgscrollx_w));
map(0xc46008, 0xc46009).w(FUNC(segas1x_bootleg_state::s16bl_bgpage_w));
map(0xc60000, 0xc60001).nopr();
map(0xff0000, 0xffffff).ram(); // work ram
}
void segas1x_bootleg_state::wb3bble_decrypted_opcodes_map(address_map &map)
{
map(0x000000, 0x03ffff).rom().share("decrypted_opcodes");
}
/***************************************************************************
Tough Turf (Datsu bootleg) sound emulation
@ -992,6 +1021,14 @@ WRITE16_MEMBER(segas1x_bootleg_state::sys18_refreshenable_w)
}
}
WRITE16_MEMBER(segas1x_bootleg_state::wb3bble_refreshenable_w)
{
if (ACCESSING_BITS_0_7)
{
m_refreshenable = data & 0x10;
}
}
WRITE16_MEMBER(segas1x_bootleg_state::sys18_tilebank_w)
{
if (ACCESSING_BITS_0_7)
@ -2245,6 +2282,17 @@ void segas1x_bootleg_state::wb3bb(machine_config &config)
z80_ym2151(config);
}
void segas1x_bootleg_state::wb3bble(machine_config &config)
{
wb3bb(config);
m_maincpu->set_addrmap(AS_PROGRAM, &segas1x_bootleg_state::wb3bble_map);
m_maincpu->set_addrmap(AS_OPCODES, &segas1x_bootleg_state::wb3bble_decrypted_opcodes_map);
MCFG_VIDEO_START_OVERRIDE(segas1x_bootleg_state, system16)
m_screen->set_screen_update(FUNC(segas1x_bootleg_state::screen_update_system16));
}
void segas1x_bootleg_state::goldnaxeb_base(machine_config &config)
{
/* basic machine hardware */
@ -3821,6 +3869,43 @@ void segas1x_bootleg_state::init_wb3bbl()
m_fore_yscroll = 2;
}
void segas1x_bootleg_state::init_wb3bble()
{
init_common();
static const uint16_t opcode_xortable[0x80] = // table possibly provided by the undumped d8749h MCU?
{
0x1414, 0x5041, 0x4541, 0x1414, 0x5150, 0x5011, 0x5555, 0x0000,
0x1150, 0x5415, 0x5500, 0x0000, 0x5511, 0x0040, 0x0000, 0x1550,
0x1401, 0x5555, 0x1015, 0x1014, 0x0015, 0x1455, 0x0114, 0x5150,
0x5011, 0x1414, 0x1514, 0x1550, 0x4555, 0x5155, 0x5555, 0x0015,
0x1455, 0x0114, 0x4145, 0x1015, 0x0545, 0x1015, 0x0545, 0x1015,
0x0545, 0x1015, 0x0545, 0x1015, 0x0545, 0x1014, 0x0054, 0x0405,
0x0410, 0x0450, 0x5451, 0x0405, 0x5040, 0x0114, 0x5101, 0x4405,
0x0140, 0x5105, 0x5000, 0x5111, 0x5000, 0x1014, 0x5155, 0x1014,
0x5155, 0x1014, 0x0541, 0x4500, 0x5154, 0x4405, 0x4405, 0x4101,
0x4101, 0x1045, 0x0105, 0x0104, 0x1505, 0x0005, 0x0101, 0x4015,
0x5004, 0x4114, 0x4110, 0x0505, 0x5140, 0x0505, 0x1014, 0x4504,
0x4401, 0x4554, 0x4554, 0x1115, 0x4501, 0x4554, 0x4014, 0x5011,
0x0104, 0x0450, 0x5100, 0x4050, 0x1014, 0x0544, 0x1515, 0x0005,
0x1100, 0x4101, 0x1144, 0x0405, 0x5541, 0x5100, 0x4100, 0x5150,
0x1014, 0x0541, 0x4415, 0x4511, 0x5050, 0x4044, 0x5105, 0x4101,
0x1144, 0x0405, 0x0405, 0x5511, 0x0555, 0x0004, 0x5104, 0x1104
};
uint16_t *ROM = (uint16_t *)memregion("maincpu")->base();
for (int i = 0; i < 0x10000; i++)
{
m_decrypted_opcodes[i] = ROM[i] ^ opcode_xortable[i & 0x7f];
}
for (int i = 0x10000; i < 0x20000; i++)
{
m_decrypted_opcodes[i] = ROM[i];
}
}
/* Sys16B */
void segas1x_bootleg_state::init_goldnaxeb1()
@ -4058,7 +4143,7 @@ GAME( 1987, shinoblda, shinobi, shinobi_datsu, shinobi, segas1x_bootleg_sta
GAME( 1988, passshtb, passsht, passshtb, passsht, segas1x_bootleg_state, init_passsht, ROT270, "bootleg", "Passing Shot (2 Players) (bootleg)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND )
GAME( 1988, passht4b, passsht, passsht4b, passht4b, segas1x_bootleg_state, init_shinobl, ROT270, "bootleg", "Passing Shot (4 Players) (bootleg)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND )
GAME( 1988, wb3bbl, wb3, wb3bb, wb3b, segas1x_bootleg_state, init_wb3bbl, ROT0, "bootleg", "Wonder Boy III - Monster Lair (bootleg)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS )
GAME( 1988, wb3bble, wb3, wb3bb, wb3b, segas1x_bootleg_state, init_wb3bbl, ROT0, "bootleg", "Wonder Boy III - Monster Lair (encrypted bootleg)", MACHINE_NOT_WORKING )
GAME( 1988, wb3bble, wb3, wb3bble, wb3b, segas1x_bootleg_state, init_wb3bble, ROT0, "bootleg", "Wonder Boy III - Monster Lair (encrypted bootleg)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND )
/* System 16B based bootlegs */
GAME( 1989, bayrouteb1, bayroute, bayrouteb1, bayroute, segas1x_bootleg_state, init_bayrouteb1, ROT0, "bootleg (Datsu)", "Bay Route (encrypted, protected bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING ) // broken sprites (due to missing/wrong irq code?)

5
src/mame/includes/system16.h
View File

@ -57,6 +57,7 @@ public:
void astormb2(machine_config &config);
void passsht4b(machine_config &config);
void wb3bb(machine_config &config);
void wb3bble(machine_config &config);
void shdancbl(machine_config &config);
void shinobi_datsu(machine_config &config);
void bayrouteb1(machine_config &config);
@ -70,6 +71,7 @@ public:
void init_passsht();
void init_wb3bbl();
void init_wb3bble();
void init_fpointbl();
void init_eswatbl();
void init_astormbl();
@ -120,6 +122,7 @@ private:
DECLARE_WRITE16_MEMBER(eswat_tilebank0_w);
DECLARE_WRITE16_MEMBER(altbeastbl_gfx_w);
DECLARE_READ16_MEMBER(beautyb_unkx_r);
DECLARE_WRITE16_MEMBER(wb3bble_refreshenable_w);
DECLARE_WRITE16_MEMBER(sys18_refreshenable_w);
DECLARE_WRITE16_MEMBER(sys18_tilebank_w);
DECLARE_READ8_MEMBER(system18_bank_r);
@ -204,6 +207,8 @@ private:
void tturfbl_sound_io_map(address_map &map);
void tturfbl_sound_map(address_map &map);
void wb3bbl_map(address_map &map);
void wb3bble_map(address_map &map);
void wb3bble_decrypted_opcodes_map(address_map &map);
virtual void machine_start() override { m_leds.resolve(); }