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hook the 036 decryption up to igs_m036.c and pgm2.c (nw)

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This commit is contained in:
David Haywood 2014-02-23 16:06:13 +00:00
parent dfd44f91f4
commit 35a4d4560a
4 changed files with 60 additions and 11 deletions
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43
src/mame/drivers/igs_m036.c
View File

@ -58,7 +58,7 @@ check more info and photo from cjdh2.zip!!!
#include "emu.h" #include "emu.h"
#include "cpu/arm7/arm7.h" #include "cpu/arm7/arm7.h"
#include "cpu/arm7/arm7core.h" #include "cpu/arm7/arm7core.h"
#include "machine/igs036crypt.h"
class igs_m036_state : public driver_device class igs_m036_state : public driver_device
@ -70,6 +70,11 @@ public:
UINT32 screen_update_igs_m036(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); UINT32 screen_update_igs_m036(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_DRIVER_INIT(igs_m036); DECLARE_DRIVER_INIT(igs_m036);
DECLARE_DRIVER_INIT(cjdh2);
DECLARE_DRIVER_INIT(cjddzsp);
DECLARE_DRIVER_INIT(igsm312);
required_device<cpu_device> m_maincpu; required_device<cpu_device> m_maincpu;
void pgm_create_dummy_internal_arm_region(void); void pgm_create_dummy_internal_arm_region(void);
@ -191,7 +196,6 @@ ROM_START( igsm312 )
ROM_REGION( 0x200000, "user1", 0 ) // external ARM data / prg ROM_REGION( 0x200000, "user1", 0 ) // external ARM data / prg
ROM_LOAD( "m312cn.rom", 0x000000, 0x200000, CRC(5069c310) SHA1(d53a2e8acddfbb7afc27c68c0b3167419a3ec3e6) ) ROM_LOAD( "m312cn.rom", 0x000000, 0x200000, CRC(5069c310) SHA1(d53a2e8acddfbb7afc27c68c0b3167419a3ec3e6) )
// ROM_LOAD( "decrypted_m312cn.rom", 0x000000, 0x200000, CRC(ccea5ea0) SHA1(5e8e1e7fca8c52e1a12c8e44efffd5821fe9abfc) )
ROM_REGION( 0x800100, "oki", ROMREGION_ERASE00 ) // TT5665 samples ROM_REGION( 0x800100, "oki", ROMREGION_ERASE00 ) // TT5665 samples
/* missing */ /* missing */
@ -280,6 +284,29 @@ DRIVER_INIT_MEMBER(igs_m036_state,igs_m036)
pgm_create_dummy_internal_arm_region(); pgm_create_dummy_internal_arm_region();
} }
DRIVER_INIT_MEMBER(igs_m036_state, cjdh2)
{
DRIVER_INIT_CALL(igs_m036);
igs036_decryptor decrypter(cjdh2_key);
decrypter.decrypter_rom(memregion("user1"));
}
DRIVER_INIT_MEMBER(igs_m036_state, cjddzsp)
{
DRIVER_INIT_CALL(igs_m036);
igs036_decryptor decrypter(cjddzsp_key);
decrypter.decrypter_rom(memregion("user1"));
}
DRIVER_INIT_MEMBER(igs_m036_state, igsm312)
{
DRIVER_INIT_CALL(igs_m036);
igs036_decryptor decrypter(m312cn_key);
decrypter.decrypter_rom(memregion("user1"));
}
/*************************************************************************** /***************************************************************************
@ -287,11 +314,11 @@ DRIVER_INIT_MEMBER(igs_m036_state,igs_m036)
***************************************************************************/ ***************************************************************************/
GAME( 200?, cjdh2, 0, igs_m036, igs_m036, igs_m036_state, igs_m036, ROT0, "IGS", "Chao Ji Da Heng 2 (V311CN)", GAME_IS_SKELETON ) GAME( 200?, cjdh2, 0, igs_m036, igs_m036, igs_m036_state, cjdh2, ROT0, "IGS", "Chao Ji Da Heng 2 (V311CN)", GAME_IS_SKELETON )
GAME( 200?, cjdh2a, cjdh2, igs_m036, igs_m036, igs_m036_state, igs_m036, ROT0, "IGS", "Chao Ji Da Heng 2 (V311CNA)", GAME_IS_SKELETON ) GAME( 200?, cjdh2a, cjdh2, igs_m036, igs_m036, igs_m036_state, cjdh2, ROT0, "IGS", "Chao Ji Da Heng 2 (V311CNA)", GAME_IS_SKELETON )
GAME( 200?, cjdh2b, cjdh2, igs_m036, igs_m036, igs_m036_state, igs_m036, ROT0, "IGS", "Chao Ji Da Heng 2 (V311CNB)", GAME_IS_SKELETON ) GAME( 200?, cjdh2b, cjdh2, igs_m036, igs_m036, igs_m036_state, cjdh2, ROT0, "IGS", "Chao Ji Da Heng 2 (V311CNB)", GAME_IS_SKELETON )
GAME( 200?, cjdh2c, cjdh2, igs_m036, igs_m036, igs_m036_state, igs_m036, ROT0, "IGS", "Chao Ji Da Heng 2 (V215CN)", GAME_IS_SKELETON ) GAME( 200?, cjdh2c, cjdh2, igs_m036, igs_m036, igs_m036_state, cjdh2, ROT0, "IGS", "Chao Ji Da Heng 2 (V215CN)", GAME_IS_SKELETON )
GAME( 200?, cjddzsp, 0, igs_m036_tt, igs_m036, igs_m036_state, igs_m036, ROT0, "IGS", "Super Dou Di Zhu Special (V122CN)", GAME_IS_SKELETON ) GAME( 200?, cjddzsp, 0, igs_m036_tt, igs_m036, igs_m036_state, cjddzsp, ROT0, "IGS", "Super Dou Di Zhu Special (V122CN)", GAME_IS_SKELETON )
GAME( 200?, igsm312, 0, igs_m036_tt, igs_m036, igs_m036_state, igs_m036, ROT0, "IGS", "Unknown 'IGS 6POKER2' game (V312CN)", GAME_IS_SKELETON ) // there's very little code and no gfx roms, might be a 'set/clear' chip for a gambling game. GAME( 200?, igsm312, 0, igs_m036_tt, igs_m036, igs_m036_state, igsm312, ROT0, "IGS", "Unknown 'IGS 6POKER2' game (V312CN)", GAME_IS_SKELETON ) // there's very little code and no gfx roms, might be a 'set/clear' chip for a gambling game.

17
src/mame/drivers/pgm2.c
View File

@ -36,7 +36,7 @@ Knights of Valour 3
NO internal ROMs are dumped. NO internal ROMs are dumped.
Other games that might be on this HW These were only released as single board PGM2 based hardware, seen for sale in Japan for around $250-$300
Jigsaw World Arena Jigsaw World Arena
Puzzle of Ocha / Ochainu No Pazuru Puzzle of Ocha / Ochainu No Pazuru
@ -50,6 +50,7 @@ Puzzle of Ocha / Ochainu No Pazuru
#include "cpu/arm7/arm7.h" #include "cpu/arm7/arm7.h"
#include "cpu/arm7/arm7core.h" #include "cpu/arm7/arm7core.h"
#include "sound/ymz770.h" #include "sound/ymz770.h"
#include "machine/igs036crypt.h"
class pgm2_state : public driver_device class pgm2_state : public driver_device
{ {
@ -224,7 +225,6 @@ ROM_START( orleg2 )
ROM_REGION( 0x800000, "user1", 0 ) ROM_REGION( 0x800000, "user1", 0 )
ROM_LOAD( "xyj2_v104cn.u7", 0x00000000, 0x0800000, CRC(7c24a4f5) SHA1(3cd9f9264ef2aad0869afdf096e88eb8d74b2570) ) ROM_LOAD( "xyj2_v104cn.u7", 0x00000000, 0x0800000, CRC(7c24a4f5) SHA1(3cd9f9264ef2aad0869afdf096e88eb8d74b2570) )
// ROM_LOAD( "decrypted4.bin", 0x00000000, 0x0800000, CRC(9a4101ac) SHA1(364aed3a3bee7caed598db1c5100e125adc42a79) )
ROM_REGION( 0x200000, "tiles", ROMREGION_ERASEFF ) ROM_REGION( 0x200000, "tiles", ROMREGION_ERASEFF )
ROM_LOAD( "ig-a_text.u4", 0x00000000, 0x0200000, CRC(fa444c32) SHA1(31e5e3efa92d52bf9ab97a0ece51e3b77f52ce8a) ) ROM_LOAD( "ig-a_text.u4", 0x00000000, 0x0200000, CRC(fa444c32) SHA1(31e5e3efa92d52bf9ab97a0ece51e3b77f52ce8a) )
@ -251,7 +251,6 @@ ROM_START( orleg2o )
ROM_REGION( 0x800000, "user1", 0 ) ROM_REGION( 0x800000, "user1", 0 )
ROM_LOAD( "xyj2_v103cn.u7", 0x000000, 0x800000, CRC(21c1fae8) SHA1(36eeb7a5e8dc8ee7c834f3ff1173c28cf6c2f1a3) ) ROM_LOAD( "xyj2_v103cn.u7", 0x000000, 0x800000, CRC(21c1fae8) SHA1(36eeb7a5e8dc8ee7c834f3ff1173c28cf6c2f1a3) )
// ROM_LOAD( "decrypted3.bin", 0x00000000, 0x0800000, CRC(eec442b4) SHA1(f5f4f65702f7384e7971240b835783be24ebc723) )
ROM_REGION( 0x200000, "tiles", ROMREGION_ERASEFF ) ROM_REGION( 0x200000, "tiles", ROMREGION_ERASEFF )
ROM_LOAD( "ig-a_text.u4", 0x00000000, 0x0200000, CRC(fa444c32) SHA1(31e5e3efa92d52bf9ab97a0ece51e3b77f52ce8a) ) ROM_LOAD( "ig-a_text.u4", 0x00000000, 0x0200000, CRC(fa444c32) SHA1(31e5e3efa92d52bf9ab97a0ece51e3b77f52ce8a) )
@ -441,6 +440,9 @@ DRIVER_INIT_MEMBER(pgm2_state,orleg2)
iga_u12_decode(src, 0x2000000, 0x4761); iga_u12_decode(src, 0x2000000, 0x4761);
iga_u16_decode(src, 0x2000000, 0xc79f); iga_u16_decode(src, 0x2000000, 0xc79f);
igs036_decryptor decrypter(orleg2_key);
decrypter.decrypter_rom(memregion("user1"));
pgm_create_dummy_internal_arm_region(); pgm_create_dummy_internal_arm_region();
} }
@ -451,6 +453,9 @@ DRIVER_INIT_MEMBER(pgm2_state,kov2nl)
iga_u12_decode(src, 0x2000000, 0xa193); iga_u12_decode(src, 0x2000000, 0xa193);
iga_u16_decode(src, 0x2000000, 0xb780); iga_u16_decode(src, 0x2000000, 0xb780);
igs036_decryptor decrypter(kov2_key);
decrypter.decrypter_rom(memregion("user1"));
pgm_create_dummy_internal_arm_region(); pgm_create_dummy_internal_arm_region();
} }
@ -461,6 +466,9 @@ DRIVER_INIT_MEMBER(pgm2_state,ddpdojh)
iga_u12_decode(src, 0x800000, 0x1e96); iga_u12_decode(src, 0x800000, 0x1e96);
iga_u16_decode(src, 0x800000, 0x869c); iga_u16_decode(src, 0x800000, 0x869c);
igs036_decryptor decrypter(ddpdoj_key);
decrypter.decrypter_rom(memregion("user1"));
pgm_create_dummy_internal_arm_region(); pgm_create_dummy_internal_arm_region();
} }
@ -471,6 +479,9 @@ DRIVER_INIT_MEMBER(pgm2_state,kov3)
iga_u12_decode(src, 0x2000000, 0x956d); iga_u12_decode(src, 0x2000000, 0x956d);
iga_u16_decode(src, 0x2000000, 0x3d17); iga_u16_decode(src, 0x2000000, 0x3d17);
igs036_decryptor decrypter(kov3_key);
decrypter.decrypter_rom(memregion("user1"));
pgm_create_dummy_internal_arm_region(); pgm_create_dummy_internal_arm_region();
} }

10
src/mame/machine/igs036crypt.c
View File

@ -63,6 +63,16 @@ igs036_decryptor::igs036_decryptor(const UINT16* game_key)
{ {
} }
void igs036_decryptor::decrypter_rom(memory_region* region)
{
int size = region->bytes();
UINT16* rom = (UINT16*)region->base();
for (int i = 0; i < size / 2; i++)
{
rom[i] = decrypt(rom[i], i);
}
}
UINT16 igs036_decryptor::decrypt(UINT16 cipherword, int word_address)const UINT16 igs036_decryptor::decrypt(UINT16 cipherword, int word_address)const
{ {
// key-independent manipulation // key-independent manipulation

1
src/mame/machine/igs036crypt.h
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@ -7,6 +7,7 @@ class igs036_decryptor
{ {
public: public:
igs036_decryptor(const UINT16* game_key); igs036_decryptor(const UINT16* game_key);
void decrypter_rom(memory_region* region);
UINT16 decrypt(UINT16 cipherword, int word_address)const; UINT16 decrypt(UINT16 cipherword, int word_address)const;
UINT16 deobfuscate(UINT16 cipherword, int word_address)const; UINT16 deobfuscate(UINT16 cipherword, int word_address)const;