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astrcorp.cpp: added preliminary decryption for dinodino

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This commit is contained in:
Ivan Vangelista 2021-01-19 16:53:23 +01:00
parent ce8a98dd1e
commit 6bd540721c
1 changed files with 54 additions and 9 deletions
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63
src/mame/drivers/astrcorp.cpp
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@ -34,11 +34,11 @@ TODO:
- Find source of level 2 interrupt (sprite DMA end?);
- magibomb: fix timings;
- astoneag, magibombd: currently stop during with 'ROM error'. The first few hundred bytes don't decrypt correctly,
it it suspected there's a ROM overlay provided by the protection device;
- astoneag, magibombd: currently stop with 'ROM error'. The first few hundred bytes don't decrypt correctly,
it is suspected there's a ROM overlay provided by the protection device;
- winbingo and clones, zulu: these should be at the same state of the two above, but don't show anything on screen;
- magibomba, westvent: need a redump of one of the program ROMs;
- dinodino: not decrypted yet.
- dinodino: decryption should be on par with the others but code jumps early into the weeds after RTE.
*************************************************************************************************************/
@ -154,6 +154,7 @@ public:
void astoneage(machine_config &config);
void magibombd(machine_config &config);
void init_astoneage();
void init_dinodino();
void init_magibombd();
void init_winbingo();
void init_zulu();
@ -185,6 +186,7 @@ private:
};
static const decryption_info astoneag_table;
static const decryption_info dinodino_table;
static const decryption_info magibombd_table;
static const decryption_info winbingo_table;
static const decryption_info zulu_table;
@ -1757,6 +1759,49 @@ void astoneage_state::init_zulu()
rom[0x006/2] = 0x0400;
}
const astoneage_state::decryption_info astoneage_state::dinodino_table = {
{
{
{ 8, 11, 9 },
{
{ { 7, 5, 4, 6, 0, 3, 2, 1 }, 0x00 },
{ { 1, 4, 6, 0, 2, 5, 3, 7 }, 0xd0 },
{ { 1, 7, 4, 3, 6, 5, 0, 2 }, 0x88 },
{ { 6, 5, 2, 3, 7, 1, 0, 4 }, 0xd1 },
{ { 6, 1, 7, 2, 4, 0, 3, 5 }, 0x64 },
{ { 1, 7, 2, 6, 5, 4, 3, 0 }, 0x83 },
{ { 6, 7, 4, 2, 5, 0, 1, 3 }, 0x81 },
{ { 7, 5, 1, 0, 2, 4, 6, 3 }, 0xea },
}
},
{
{ 12, 11, 10 },
{
{ { 6, 5, 4, 3, 2, 1, 0, 7 }, 0x90 },
{ { 2, 4, 0, 7, 5, 6, 3, 1 }, 0x32 },
{ { 7, 1, 0, 6, 5, 2, 3, 4 }, 0xa9 },
{ { 2, 0, 3, 5, 1, 4, 6, 7 }, 0xa2 },
{ { 3, 0, 6, 5, 2, 1, 4, 7 }, 0x02 },
{ { 0, 1, 6, 4, 5, 2, 7, 3 }, 0x30 },
{ { 3, 5, 2, 7, 6, 1, 4, 0 }, 0x0a },
{ { 0, 6, 4, 2, 7, 3, 1, 5 }, 0x81 },
}
},
},
{ 12, 9, 8, 10, 11, 7, 2, 6, 3, 5, 4 } // 3, 4, 5, 6 ok
};
void astoneage_state::init_dinodino()
{
decrypt_rom(dinodino_table);
// TODO: There's more stuff happening for addresses < 0x400...
// override reset vector for now
u16 *rom = (u16 *)memregion("maincpu")->base();
rom[0x004/2] = 0x0000;
rom[0x006/2] = 0x0446;
}
void magibomb_state::init_magibomb()
{
// decrypt data
@ -1808,11 +1853,11 @@ GAME( 2001, magibombc, magibomb, magibombb, magibomb, magibomb_state, init_mag
GAME( 2001?, magibombe, magibomb, magibombb, magibomb, magibomb_state, init_magibomb, ROT0, "Astro Corp.", "Magic Bomb (Ver. A3.1A)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )
// Heavier encryption
GAME( 2003?, dinodino, 0, skilldrp, skilldrp, astrocorp_state, empty_init, ROT0, "Astro Corp.", "Dino Dino", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )
GAME( 2004?, astoneag, 0, astoneage, skilldrp, astoneage_state, init_astoneage, ROT0, "Astro Corp.", "Stone Age (Astro, Ver. ENG.03.A)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )
GAME( 2005, dinodino, 0, magibombd, skilldrp, astoneage_state, init_dinodino, ROT0, "Astro Corp.", "Dino Dino (Ver. A1.1)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) // 13/01.2005 10:59
GAME( 2005, astoneag, 0, astoneage, skilldrp, astoneage_state, init_astoneage, ROT0, "Astro Corp.", "Stone Age (Astro, Ver. ENG.03.A)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) // 2005/02/21
GAME( 2005, magibombd, magibomb, magibombd, skilldrp, astoneage_state, init_magibombd, ROT0, "Astro Corp.", "Magic Bomb (Ver. AA.72D, 14/11/05)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )
GAME( 2006, winbingo, 0, astoneage, skilldrp, astoneage_state, init_winbingo, ROT0, "Astro Corp.", "Win Win Bingo (set 1)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) // 15:47:48 Feb 23 2006
GAME( 2006, winbingoa, winbingo, astoneage, skilldrp, astoneage_state, init_winbingo, ROT0, "Astro Corp.", "Win Win Bingo (set 2)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) // 11:02:07 May 11 2006
GAME( 2005, hacher, winbingo, astoneage, skilldrp, astoneage_state, init_winbingo, ROT0, "bootleg (Gametron)", "Hacher (hack of Win Win Bingo)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) // 14:25:46 Mar 10 2005
GAME( 2004, zulu, 0, astoneage, skilldrp, astoneage_state, init_zulu, ROT0, "Astro Corp.", "Zulu (Ver. ZO.02.D)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) // 10:53:44 Aug 27 2004
GAME( 2006, winbingo, 0, magibombd, skilldrp, astoneage_state, init_winbingo, ROT0, "Astro Corp.", "Win Win Bingo (set 1)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) // 15:47:48 Feb 23 2006
GAME( 2006, winbingoa, winbingo, magibombd, skilldrp, astoneage_state, init_winbingo, ROT0, "Astro Corp.", "Win Win Bingo (set 2)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) // 11:02:07 May 11 2006
GAME( 2005, hacher, winbingo, magibombd, skilldrp, astoneage_state, init_winbingo, ROT0, "bootleg (Gametron)", "Hacher (hack of Win Win Bingo)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) // 14:25:46 Mar 10 2005
GAME( 2004, zulu, 0, magibombd, skilldrp, astoneage_state, init_zulu, ROT0, "Astro Corp.", "Zulu (Ver. ZO.02.D)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) // 10:53:44 Aug 27 2004
GAME( 2007?, westvent, 0, skilldrp, skilldrp, astrocorp_state, empty_init, ROT0, "Astro Corp.", "Western Venture (Ver. AA.02.D)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )