Improved Dragon World II protection routines [iq_132]
This commit is contained in:
David Haywood
parent
3a9be83e98
commit
e434c2ba8d
@ -3921,10 +3921,13 @@ GAME( 1997, orlegendca, orlegend, pgm_asic3, orlegend, pgm_asic3_state, o
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GAME( 1997, orlegend111c, orlegend, pgm_asic3, orlegend, pgm_asic3_state, orlegend, ROT0, "IGS", "Oriental Legend / Xi You Shi E Zhuan (ver. 111, Chinese Board)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE ) // V0001 no date! - runs as HongKong, China, China
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GAME( 1997, orlegend111c, orlegend, pgm_asic3, orlegend, pgm_asic3_state, orlegend, ROT0, "IGS", "Oriental Legend / Xi You Shi E Zhuan (ver. 111, Chinese Board)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE ) // V0001 no date! - runs as HongKong, China, China
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GAME( 1997, orlegend105k, orlegend, pgm_asic3, orld105k, pgm_asic3_state, orlegend, ROT0, "IGS", "Oriental Legend / Xi You Shi E Zhuan (ver. 105, Korean Board)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE ) // V0000 no date! - runs as Korea
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GAME( 1997, orlegend105k, orlegend, pgm_asic3, orld105k, pgm_asic3_state, orlegend, ROT0, "IGS", "Oriental Legend / Xi You Shi E Zhuan (ver. 105, Korean Board)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE ) // V0000 no date! - runs as Korea
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GAME( 1997, drgw2, pgm, pgm, pgm, pgm_state, drgw2, ROT0, "IGS", "Dragon World II (ver. 110X, Export)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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GAME( 1997, drgw2, pgm, pgm_012_025_drgw2, pgm, pgm_012_025_state, drgw2, ROT0, "IGS", "Dragon World II (ver. 110X, Export)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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GAME( 1997, dw2v100x, drgw2, pgm, pgm, pgm_state, dw2v100x, ROT0, "IGS", "Dragon World II (ver. 100X, Export)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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GAME( 1997, dw2v100x, drgw2, pgm_012_025_drgw2, pgm, pgm_012_025_state, dw2v100x, ROT0, "IGS", "Dragon World II (ver. 100X, Export)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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GAME( 1997, drgw2j, drgw2, pgm, pgm, pgm_state, drgw2j, ROT0, "IGS", "Chuugokuryuu II (ver. 100J, Japan)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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GAME( 1997, drgw2j, drgw2, pgm_012_025_drgw2, pgm, pgm_012_025_state, drgw2j, ROT0, "IGS", "Chuugokuryuu II (ver. 100J, Japan)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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GAME( 1997, drgw2c, drgw2, pgm, pgm, pgm_state, drgw2c, ROT0, "IGS", "Zhong Guo Long II (ver. 100C, China)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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GAME( 1997, drgw2c, drgw2, pgm_012_025_drgw2, pgm, pgm_012_025_state, drgw2c, ROT0, "IGS", "Zhong Guo Long II (ver. 100C, China)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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GAME( 1998, killbld, pgm, pgm_022_025_kb, killbld, pgm_022_025_state, killbld, ROT0, "IGS", "The Killing Blade (ver. 109, Chinese Board)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE ) /* region provided by protection device */
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GAME( 1998, killbld104, killbld, pgm_022_025_kb, killbld, pgm_022_025_state, killbld, ROT0, "IGS", "The Killing Blade (ver. 104)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE ) /* region provided by protection device */
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// region provided by internal ARM rom
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// region provided by internal ARM rom
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GAME( 1999, photoy2k, pgm, pgm_arm_type1, photoy2k, pgm_arm_type1_state, photoy2k, ROT0, "IGS", "Photo Y2K (ver. 105)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE ) /* region provided by protection device */
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GAME( 1999, photoy2k, pgm, pgm_arm_type1, photoy2k, pgm_arm_type1_state, photoy2k, ROT0, "IGS", "Photo Y2K (ver. 105)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE ) /* region provided by protection device */
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@ -3977,8 +3980,6 @@ GAME( 2001, ddp2101c, ddp2, pgm_arm_type2, pgm, pgm_arm_type2_state,
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GAME( 2001, ddp2100c, ddp2, pgm_arm_type2, pgm, pgm_arm_type2_state, ddp2, ROT270, "IGS", "DoDonPachi II - Bee Storm (China, ver. 100)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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GAME( 2001, ddp2100c, ddp2, pgm_arm_type2, pgm, pgm_arm_type2_state, ddp2, ROT270, "IGS", "DoDonPachi II - Bee Storm (China, ver. 100)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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// japan region only?
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// japan region only?
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GAME( 2001, dw2001, pgm, pgm_arm_type2, dw2001, pgm_arm_type2_state, dw2001, ROT0, "IGS", "Dragon World 2001 (V100?, Japan)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE ) // 02/21/01 16:05:16
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GAME( 2001, dw2001, pgm, pgm_arm_type2, dw2001, pgm_arm_type2_state, dw2001, ROT0, "IGS", "Dragon World 2001 (V100?, Japan)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE ) // 02/21/01 16:05:16
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@ -3993,7 +3994,6 @@ GAME( 2002, dmnfrnta, dmnfrnt, pgm_arm_type3, pgm, pgm_arm_type3_state
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GAME( 2002, dmnfrntpcb, dmnfrnt, pgm_arm_type3, pgm, pgm_arm_type3_state, dmnfrnt, ROT0, "IGS", "Demon Front (68k label V107KR, ROM M107KR 11/03/03) (ARM label V106KR, ROM 10/16/03 S106KR) (JAMMA PCB)", GAME_IMPERFECT_SOUND | GAME_UNEMULATED_PROTECTION | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE ) // works but reports version mismatch (wants internal rom version and region to match external?)
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GAME( 2002, dmnfrntpcb, dmnfrnt, pgm_arm_type3, pgm, pgm_arm_type3_state, dmnfrnt, ROT0, "IGS", "Demon Front (68k label V107KR, ROM M107KR 11/03/03) (ARM label V106KR, ROM 10/16/03 S106KR) (JAMMA PCB)", GAME_IMPERFECT_SOUND | GAME_UNEMULATED_PROTECTION | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE ) // works but reports version mismatch (wants internal rom version and region to match external?)
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/* these don't use an External ARM rom, and don't have any weak internal functions which would allow the internal ROM to be read out */
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/* these don't use an External ARM rom, and don't have any weak internal functions which would allow the internal ROM to be read out */
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GAME( 2002, ddpdoj, 0, pgm_arm_type1_cave, pgm, pgm_arm_type1_state, ddp3, ROT270, "Cave", "DoDonPachi Dai-Ou-Jou V101 (2002.04.05.Master Ver)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE ) // is there a v101 without the . after 05?
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GAME( 2002, ddpdoj, 0, pgm_arm_type1_cave, pgm, pgm_arm_type1_state, ddp3, ROT270, "Cave", "DoDonPachi Dai-Ou-Jou V101 (2002.04.05.Master Ver)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE ) // is there a v101 without the . after 05?
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GAME( 2002, ddpdoja, ddpdoj, pgm_arm_type1_cave, pgm, pgm_arm_type1_state, ddp3, ROT270, "Cave", "DoDonPachi Dai-Ou-Jou V100 (2002.04.05.Master Ver)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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GAME( 2002, ddpdoja, ddpdoj, pgm_arm_type1_cave, pgm, pgm_arm_type1_state, ddp3, ROT270, "Cave", "DoDonPachi Dai-Ou-Jou V100 (2002.04.05.Master Ver)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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@ -4012,16 +4012,12 @@ GAME( 2003, espgal, 0, pgm_arm_type1_cave, pgm, pgm_arm_type1_s
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Partially Working, playable, but some imperfections
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Partially Working, playable, but some imperfections
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-----------------------------------------------------------------------------------------------------------------------*/
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-----------------------------------------------------------------------------------------------------------------------*/
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// it's playable, but the region check is still patched (different IGS025 chips return different sequences so that the game can determine the region)
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GAME( 1998, killbld, pgm, pgm_022_025_kb, killbld, pgm_022_025_state, killbld, ROT0, "IGS", "The Killing Blade (ver. 109, Chinese Board)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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GAME( 1998, killbld104, killbld, pgm_022_025_kb, killbld, pgm_022_025_state, killbld, ROT0, "IGS", "The Killing Blade (ver. 104)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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GAME( 1998, olds, pgm, pgm_028_025_ol, olds, pgm_028_025_state, olds, ROT0, "IGS", "Oriental Legend Special / Xi You Shi E Zhuan Super (ver. 101, Korean Board)", GAME_IMPERFECT_SOUND | GAME_UNEMULATED_PROTECTION | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE )
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GAME( 1998, olds, pgm, pgm_028_025_ol, olds, pgm_028_025_state, olds, ROT0, "IGS", "Oriental Legend Special / Xi You Shi E Zhuan Super (ver. 101, Korean Board)", GAME_IMPERFECT_SOUND | GAME_UNEMULATED_PROTECTION | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE )
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GAME( 1998, olds100, olds, pgm_028_025_ol, olds, pgm_028_025_state, olds, ROT0, "IGS", "Oriental Legend Special / Xi You Shi E Zhuan Super (ver. 100, set 1)", GAME_IMPERFECT_SOUND | GAME_UNEMULATED_PROTECTION | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE )
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GAME( 1998, olds100, olds, pgm_028_025_ol, olds, pgm_028_025_state, olds, ROT0, "IGS", "Oriental Legend Special / Xi You Shi E Zhuan Super (ver. 100, set 1)", GAME_IMPERFECT_SOUND | GAME_UNEMULATED_PROTECTION | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE )
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GAME( 1998, olds100a, olds, pgm_028_025_ol, olds, pgm_028_025_state, olds, ROT0, "IGS", "Oriental Legend Special / Xi You Shi E Zhuan Super (ver. 100, set 2)", GAME_IMPERFECT_SOUND | GAME_UNEMULATED_PROTECTION | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE ) // crashes on some bosses, high score table etc.
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GAME( 1998, olds100a, olds, pgm_028_025_ol, olds, pgm_028_025_state, olds, ROT0, "IGS", "Oriental Legend Special / Xi You Shi E Zhuan Super (ver. 100, set 2)", GAME_IMPERFECT_SOUND | GAME_UNEMULATED_PROTECTION | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE ) // crashes on some bosses, high score table etc.
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GAME( 1998, olds103t, olds, pgm, pgm, pgm_state, pgm, ROT0, "IGS", "Oriental Legend Special / Xi You Shi E Zhuan Super (ver. 103, China, Tencent) (unprotected)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE ) // why is this version not protected? internal leak? bootleg?
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// this version was specially made for a Chinese online gaming company. While it may not be entirely suitable for
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// mame, it can give some insight into how protection should work.
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GAME( 1998, olds103t, olds, pgm, pgm, pgm_state, pgm, ROT0, "IGS", "Oriental Legend Special / Xi You Shi E Zhuan Super (ver. 103, China, Tencent) (unprotected)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
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GAME( 1999, kov, pgm, pgm_arm_type1_sim, sango, pgm_arm_type1_state, kov, ROT0, "IGS", "Knights of Valour / Sangoku Senki (ver. 117)", GAME_IMPERFECT_SOUND | GAME_UNEMULATED_PROTECTION | GAME_SUPPORTS_SAVE ) /* need internal rom of IGS027A */ // V0008 04/27/99 10:33:33
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GAME( 1999, kov, pgm, pgm_arm_type1_sim, sango, pgm_arm_type1_state, kov, ROT0, "IGS", "Knights of Valour / Sangoku Senki (ver. 117)", GAME_IMPERFECT_SOUND | GAME_UNEMULATED_PROTECTION | GAME_SUPPORTS_SAVE ) /* need internal rom of IGS027A */ // V0008 04/27/99 10:33:33
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GAME( 1999, kov115, kov, pgm_arm_type1_sim, sango, pgm_arm_type1_state, kov, ROT0, "IGS", "Knights of Valour / Sangoku Senki (ver. 115)", GAME_IMPERFECT_SOUND | GAME_UNEMULATED_PROTECTION | GAME_SUPPORTS_SAVE ) /* need internal rom of IGS027A */ // V0006 02/22/99 11:53:18
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GAME( 1999, kov115, kov, pgm_arm_type1_sim, sango, pgm_arm_type1_state, kov, ROT0, "IGS", "Knights of Valour / Sangoku Senki (ver. 115)", GAME_IMPERFECT_SOUND | GAME_UNEMULATED_PROTECTION | GAME_SUPPORTS_SAVE ) /* need internal rom of IGS027A */ // V0006 02/22/99 11:53:18
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@ -122,19 +122,6 @@ public:
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void screen_eof_pgm(screen_device &screen, bool state);
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void screen_eof_pgm(screen_device &screen, bool state);
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TIMER_DEVICE_CALLBACK_MEMBER(pgm_interrupt);
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TIMER_DEVICE_CALLBACK_MEMBER(pgm_interrupt);
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// from pgmprot5.c
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int protection_address;
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UINT16 dw2_asic_reg[2];
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UINT8 dw2_asic_z;
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UINT8 dw2_asic_y;
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UINT16 dw2_asic_hold;
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DECLARE_READ16_MEMBER( dw2_d80000_r );
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DECLARE_WRITE16_MEMBER( dw2_d80000_w );
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DECLARE_WRITE16_MEMBER(dw2_unk_w);
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void pgm_dw2_decrypt();
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void drgwld2_common_init();
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inline void pgm_draw_pix( int xdrawpos, int pri, UINT16* dest, UINT8* destpri, UINT16 srcdat);
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inline void pgm_draw_pix( int xdrawpos, int pri, UINT16* dest, UINT8* destpri, UINT16 srcdat);
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inline void pgm_draw_pix_nopri( int xdrawpos, UINT16* dest, UINT8* destpri, UINT16 srcdat);
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inline void pgm_draw_pix_nopri( int xdrawpos, UINT16* dest, UINT8* destpri, UINT16 srcdat);
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inline void pgm_draw_pix_pri( int xdrawpos, UINT16* dest, UINT8* destpri, UINT16 srcdat);
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inline void pgm_draw_pix_pri( int xdrawpos, UINT16* dest, UINT8* destpri, UINT16 srcdat);
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DECLARE_READ16_MEMBER( killbld_igs025_prot_r );
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DECLARE_READ16_MEMBER( killbld_igs025_prot_r );
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};
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};
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/* for machine/pgmprot5.c type games */
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class pgm_012_025_state : public pgm_state
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{
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public:
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pgm_012_025_state(const machine_config &mconfig, device_type type, const char *tag)
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: pgm_state(mconfig, type, tag) {
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}
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UINT32 m_drgw2_protection_region;
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const UINT8 (*m_drgw2_source_data)[0xec];
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UINT16 m_drgw2_prot_hold;
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UINT16 m_drgw2_prot_hilo;
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UINT16 m_drgw2_prot_hilo_select;
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int m_drgw2_cmd;
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int m_drgw2_ptr;
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void pgm_drgw2_decrypt();
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void drgw2_common_init();
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DECLARE_DRIVER_INIT(drgw2);
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DECLARE_DRIVER_INIT(dw2v100x);
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DECLARE_DRIVER_INIT(drgw2c);
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DECLARE_DRIVER_INIT(drgw2j);
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DECLARE_MACHINE_RESET(drgw2);
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DECLARE_READ16_MEMBER( drgw2_d80000_protection_r );
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DECLARE_WRITE16_MEMBER( drgw2_d80000_protection_w );
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void drgw2_protection_calculate_hilo();
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void drgw2_protection_calculate_hold(int y, int z);
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};
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/* for machine/pgmprot6.c type games */
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/* for machine/pgmprot6.c type games */
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class pgm_028_025_state : public pgm_state
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class pgm_028_025_state : public pgm_state
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{
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{
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@ -508,6 +530,10 @@ MACHINE_CONFIG_EXTERN( pgm_022_025_dw );
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INPUT_PORTS_EXTERN( killbld );
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INPUT_PORTS_EXTERN( killbld );
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INPUT_PORTS_EXTERN( dw3 );
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INPUT_PORTS_EXTERN( dw3 );
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/*----------- defined in machine/pgmprot5.c -----------*/
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MACHINE_CONFIG_EXTERN( pgm_012_025_drgw2 );
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/*----------- defined in machine/pgmprot6.c -----------*/
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/*----------- defined in machine/pgmprot6.c -----------*/
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MACHINE_CONFIG_EXTERN( pgm_028_025_ol );
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MACHINE_CONFIG_EXTERN( pgm_028_025_ol );
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IGS025 is some kind of state machine / logic device which the game
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IGS025 is some kind of state machine / logic device which the game
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uses for various security checks bitswap checks.
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uses for various security checks bitswap checks.
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To do:
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How is the additional xor data is calculated?
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Should the "hold" value be reset if the power is turned off? How?
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Patches are actually overlays or just hacks?
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***********************************************************************/
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***********************************************************************/
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#include "emu.h"
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#include "emu.h"
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#include "includes/pgm.h"
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#include "includes/pgm.h"
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/* Dragon World 2 */
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/* Dragon World 2 */
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READ16_MEMBER(pgm_state::dw2_d80000_r )
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void pgm_012_025_state::pgm_drgw2_decrypt()
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{
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UINT16 ret;
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/* UINT16 test;
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switch (dw2_asic_reg[0])
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{
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case 0x05: // Read to $80eec0
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case 0x13: // Read to $80eeb8
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case 0x1f: // Read to $80eeb8
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case 0x40: // Read to $80eeb8, increase counters
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case 0xf4: // Read to $80eeb8
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case 0xf6: // Read to $80eeb8
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case 0xf8: // Read to $80eeb8
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break;
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default:
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logerror("%06x: warning, reading with igs003_reg = %02x\n", space.device().safe_pc(), dw2_asic_reg[0]);
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}
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test = BITSWAP16(m_mainram[protection_address], 14,11,8,6,4,3,1,0, 5,2,9,7,10,13,12,15) & 0xff; // original hack
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*/
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// This bitswap seems to also be common to a few IGS protection devices (igs011.c, Oriental Legend)
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ret = BITSWAP16(dw2_asic_hold, 14,11,8,6,4,3,1,0, 5,2,9,7,10,13,12,15) & 0xff;
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/*
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if ((ret != test) || (dw2_asic_hold != m_mainram[protection_address])) {
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logerror ("Protection calculation error: SIMRET: %2.2x, HACKRET: %2.2x, SIMHOLD: %4.4x, REALHOLD: %4.4x\n", ret, test, dw2_asic_hold, m_mainram[protection_address]);
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}
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*/
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return ret;
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}
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||||||
WRITE16_MEMBER(pgm_state::dw2_d80000_w )
|
|
||||||
{
|
|
||||||
COMBINE_DATA(&dw2_asic_reg[offset]);
|
|
||||||
|
|
||||||
if (offset == 0)
|
|
||||||
return;
|
|
||||||
|
|
||||||
switch (dw2_asic_reg[0])
|
|
||||||
{
|
|
||||||
case 0x08:
|
|
||||||
// This reg doesn't seem to be used for anything useful but is
|
|
||||||
// initialized. Ok to use as reset??
|
|
||||||
// The last "hold" value used is stored in NVRAM. Otherwise we either
|
|
||||||
// need to set the "hold" value as non-volatile or wipe NVRAM.
|
|
||||||
dw2_asic_hold = m_mainram[protection_address]; // hack
|
|
||||||
break;
|
|
||||||
|
|
||||||
case 0x09: // Used only on init...
|
|
||||||
case 0x0a:
|
|
||||||
case 0x0b:
|
|
||||||
case 0x0c:
|
|
||||||
break;
|
|
||||||
|
|
||||||
case 0x15: // ????
|
|
||||||
case 0x17:
|
|
||||||
break;
|
|
||||||
|
|
||||||
case 0x20:
|
|
||||||
case 0x21:
|
|
||||||
case 0x22:
|
|
||||||
case 0x23:
|
|
||||||
case 0x24:
|
|
||||||
case 0x25:
|
|
||||||
case 0x26:
|
|
||||||
case 0x27:
|
|
||||||
{
|
|
||||||
// computed ~$107000
|
|
||||||
UINT16 old;
|
|
||||||
|
|
||||||
dw2_asic_y = dw2_asic_reg[0] & 0x07;
|
|
||||||
dw2_asic_z = data;
|
|
||||||
|
|
||||||
// drgw2c = $80eecc, drgw2/dw2v100x = $80cb7c, drgw2j = $8091ca
|
|
||||||
old = dw2_asic_hold;
|
|
||||||
|
|
||||||
// drgw2c = $80eece, drgw2/dw2v100x = $80cb7e, drgw2j = $8091cc
|
|
||||||
|
|
||||||
// roation, fixed xor, and z/y xor all also common to asic-type protection devices
|
|
||||||
dw2_asic_hold = old << 1;
|
|
||||||
dw2_asic_hold |= BIT(old, 15); // rotate
|
|
||||||
dw2_asic_hold ^= 0x2bad;
|
|
||||||
dw2_asic_hold ^= BIT(dw2_asic_z, dw2_asic_y);
|
|
||||||
|
|
||||||
dw2_asic_hold ^= BIT( old, 7);
|
|
||||||
dw2_asic_hold ^= BIT( old, 3) << 11;
|
|
||||||
dw2_asic_hold ^= BIT(~old, 13) << 4; // inverted!
|
|
||||||
|
|
||||||
/*
|
|
||||||
// additional...
|
|
||||||
// how is this calculated? is it ever used??
|
|
||||||
// drgw2c = $80eeca, drgw2/dw2v100x = $80cb7a, drgw2j = $809168
|
|
||||||
dw2_asic_hold ^= BIT(space.read_byte(0x80eecb), 0) << 1;
|
|
||||||
dw2_asic_hold ^= BIT(space.read_byte(0x80eecb), 1) << 2;
|
|
||||||
dw2_asic_hold ^= BIT(space.read_byte(0x80eecb), 2) << 3;
|
|
||||||
dw2_asic_hold ^= BIT(space.read_byte(0x80eecb), 4) << 5;
|
|
||||||
dw2_asic_hold ^= BIT(space.read_byte(0x80eecb), 5) << 6;
|
|
||||||
dw2_asic_hold ^= BIT(space.read_byte(0x80eecb), 6) << 7;
|
|
||||||
dw2_asic_hold ^= BIT(space.read_byte(0x80eecb), 7) << 8;
|
|
||||||
dw2_asic_hold ^= BIT(space.read_byte(0x80eeca), 0) << 9;
|
|
||||||
dw2_asic_hold ^= BIT(space.read_byte(0x80eeca), 1) << 10;
|
|
||||||
dw2_asic_hold ^= BIT(space.read_byte(0x80eeca), 3) << 12;
|
|
||||||
dw2_asic_hold ^= BIT(space.read_byte(0x80eeca), 4) << 13;
|
|
||||||
dw2_asic_hold ^= BIT(space.read_byte(0x80eeca), 5) << 14;
|
|
||||||
dw2_asic_hold ^= BIT(space.read_byte(0x80eeca), 6) << 15;
|
|
||||||
*/
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
|
|
||||||
case 0xf2: // ????
|
|
||||||
break;
|
|
||||||
|
|
||||||
default:
|
|
||||||
logerror("%06x: warning, writing to igs003_reg %02x = %02x\n", space.device().safe_pc(), dw2_asic_reg[0], data);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// What purpose to writes to this region serve? Written, but never read back? Must be related to the protection device?
|
|
||||||
WRITE16_MEMBER(pgm_state::dw2_unk_w)
|
|
||||||
{
|
|
||||||
// logerror("%06x: warning, writing to address %6.6x = %4.4x\n", space.device().safe_pc(), 0xd00000+(offset*2), data);
|
|
||||||
}
|
|
||||||
|
|
||||||
void pgm_state::pgm_dw2_decrypt()
|
|
||||||
{
|
{
|
||||||
int i;
|
int i;
|
||||||
UINT16 *src = (UINT16 *) (memregion("maincpu")->base()+0x100000);
|
UINT16 *src = (UINT16 *) (memregion("maincpu")->base()+0x100000);
|
||||||
|
|
||||||
int rom_size = 0x80000;
|
int rom_size = 0x80000;
|
||||||
|
|
||||||
for (i=0; i<rom_size/2; i++) {
|
for (i = 0; i < rom_size / 2; i++)
|
||||||
|
{
|
||||||
UINT16 x = src[i];
|
UINT16 x = src[i];
|
||||||
|
|
||||||
if (((i & 0x20890) == 0) || ((i & 0x20000) == 0x20000 && (i & 0x01500) != 0x01400))
|
if (((i & 0x20890) == 0) || ((i & 0x20000) == 0x20000 && (i & 0x01500) != 0x01400))
|
||||||
@ -170,24 +41,237 @@ void pgm_state::pgm_dw2_decrypt()
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
void pgm_state::drgwld2_common_init()
|
// All tables all xored by 'warning' information at $1354ee (drgw2)
|
||||||
|
static const UINT8 drgw2_source_data[0x08][0xec] =
|
||||||
{
|
{
|
||||||
pgm_basic_init();
|
{ 0, }, // Region 0, not used
|
||||||
pgm_dw2_decrypt();
|
{ // Region 1, $13A886
|
||||||
|
0x67, 0x51, 0xF3, 0x19, 0xA0, 0x11, 0xB1, 0x11, 0xB0, 0xEE, 0xE3, 0xF6, 0xBE, 0x81, 0x35, 0xE3,
|
||||||
|
0xFB, 0xE6, 0xEF, 0xDF, 0x61, 0x01, 0xFA, 0x22, 0x5D, 0x43, 0x01, 0xA5, 0x3B, 0x17, 0xD4, 0x74,
|
||||||
|
0xF0, 0xF4, 0xF3, 0x43, 0xB5, 0x19, 0x04, 0xD5, 0x84, 0xCE, 0x87, 0xFE, 0x35, 0x3E, 0xC4, 0x3C,
|
||||||
|
0xC7, 0x85, 0x2A, 0x33, 0x00, 0x86, 0xD0, 0x4D, 0x65, 0x4B, 0xF9, 0xE9, 0xC0, 0xBA, 0xAA, 0x77,
|
||||||
|
0x9E, 0x66, 0xF6, 0x0F, 0x4F, 0x3A, 0xB6, 0xF1, 0x64, 0x9A, 0xE9, 0x25, 0x1A, 0x5F, 0x22, 0xA3,
|
||||||
|
0xA2, 0xBF, 0x4B, 0x77, 0x3F, 0x34, 0xC9, 0x6E, 0xDB, 0x12, 0x5C, 0x33, 0xA5, 0x8B, 0x6C, 0xB1,
|
||||||
|
0x74, 0xC8, 0x40, 0x4E, 0x2F, 0xE7, 0x46, 0xAE, 0x99, 0xFC, 0xB0, 0x55, 0x54, 0xDF, 0xA7, 0xA1,
|
||||||
|
0x0F, 0x5E, 0x49, 0xCF, 0x56, 0x3C, 0x90, 0x2B, 0xAC, 0x65, 0x6E, 0xDB, 0x58, 0x3E, 0xC9, 0x00,
|
||||||
|
0xAE, 0x53, 0x4D, 0x92, 0xFA, 0x40, 0xB2, 0x6B, 0x65, 0x4B, 0x90, 0x8A, 0x0C, 0xE2, 0xA5, 0x9A,
|
||||||
|
0xD0, 0x20, 0x29, 0x55, 0xA4, 0x44, 0xAC, 0x51, 0x87, 0x54, 0x53, 0x34, 0x24, 0x4B, 0x81, 0x67,
|
||||||
|
0x34, 0x4C, 0x5F, 0x31, 0x4E, 0xF2, 0xF1, 0x19, 0x18, 0x1C, 0x34, 0x38, 0xE1, 0x81, 0x17, 0xCF,
|
||||||
|
0x24, 0xB9, 0x9A, 0xCB, 0x34, 0x51, 0x50, 0x59, 0x44, 0xB1, 0x0B, 0x50, 0x95, 0x6C, 0x48, 0x7E,
|
||||||
|
0x14, 0xA4, 0xC6, 0xD9, 0xD3, 0xA5, 0xD6, 0xD0, 0xC5, 0x97, 0xF0, 0x45, 0xD0, 0x98, 0x51, 0x91,
|
||||||
|
0x9F, 0xA3, 0x43, 0x51, 0x05, 0x90, 0xEE, 0xCA, 0x7E, 0x5F, 0x72, 0x53, 0xB1, 0xD3, 0xAF, 0x36,
|
||||||
|
0x08, 0x75, 0xB0, 0x9B, 0xE0, 0x0D, 0x43, 0x88, 0xAA, 0x27, 0x44, 0x11
|
||||||
|
},
|
||||||
|
{ 0, }, // Region 2, not used
|
||||||
|
{ 0, }, // Region 3, not used
|
||||||
|
{ 0, }, // Region 4, not used
|
||||||
|
{ // Region 5, $13ab42 (drgw2c)
|
||||||
|
0x7F, 0x41, 0xF3, 0x39, 0xA0, 0x11, 0xA1, 0x11, 0xB0, 0xA2, 0x4C, 0x23, 0x13, 0xE9, 0x25, 0x3D,
|
||||||
|
0x0F, 0x72, 0x3A, 0x9D, 0xB5, 0x96, 0xD1, 0xDA, 0x07, 0x29, 0x41, 0x9A, 0xAD, 0x70, 0xBA, 0x46,
|
||||||
|
0x63, 0x2B, 0x7F, 0x3D, 0xBE, 0x40, 0xAD, 0xD4, 0x4C, 0x73, 0x27, 0x58, 0xA7, 0x65, 0xDC, 0xD6,
|
||||||
|
0xFD, 0xDE, 0xB5, 0x6E, 0xD6, 0x6C, 0x75, 0x1A, 0x32, 0x45, 0xD5, 0xE3, 0x6A, 0x14, 0x6D, 0x80,
|
||||||
|
0x84, 0x15, 0xAF, 0xCC, 0x7B, 0x61, 0x51, 0x82, 0x40, 0x53, 0x7F, 0x38, 0xA0, 0xD6, 0x8F, 0x61,
|
||||||
|
0x79, 0x19, 0xE5, 0x99, 0x84, 0xD8, 0x78, 0x27, 0x3F, 0x16, 0x97, 0x78, 0x4F, 0x7B, 0x0C, 0xA6,
|
||||||
|
0x37, 0xDB, 0xC6, 0x0C, 0x24, 0xB4, 0xC7, 0x94, 0x9D, 0x92, 0xD2, 0x3B, 0xD5, 0x11, 0x6F, 0x0A,
|
||||||
|
0xDB, 0x76, 0x66, 0xE7, 0xCD, 0x18, 0x2B, 0x66, 0xD8, 0x41, 0x40, 0x58, 0xA2, 0x01, 0x1E, 0x6D,
|
||||||
|
0x44, 0x75, 0xE7, 0x19, 0x4F, 0xB2, 0xE8, 0xC4, 0x96, 0x77, 0x62, 0x02, 0xC9, 0xDC, 0x59, 0xF3,
|
||||||
|
0x43, 0x8D, 0xC8, 0xFE, 0x9E, 0x2A, 0xBA, 0x32, 0x3B, 0x62, 0xE3, 0x92, 0x6E, 0xC2, 0x08, 0x4D,
|
||||||
|
0x51, 0xCD, 0xF9, 0x3A, 0x3E, 0xC9, 0x50, 0x27, 0x21, 0x25, 0x97, 0xD7, 0x0E, 0xF8, 0x39, 0x38,
|
||||||
|
0xF5, 0x86, 0x94, 0x93, 0xBF, 0xEB, 0x18, 0xA8, 0xFC, 0x24, 0xF5, 0xF9, 0x99, 0x20, 0x3D, 0xCD,
|
||||||
|
0x2C, 0x94, 0x25, 0x79, 0x28, 0x77, 0x8F, 0x2F, 0x10, 0x69, 0x86, 0x30, 0x43, 0x01, 0xD7, 0x9A,
|
||||||
|
0x17, 0xE3, 0x47, 0x37, 0xBD, 0x62, 0x75, 0x42, 0x78, 0xF4, 0x2B, 0x57, 0x4C, 0x0A, 0xDB, 0x53,
|
||||||
|
0x4D, 0xA1, 0x0A, 0xD6, 0x3A, 0x16, 0x15, 0xAA, 0x2C, 0x6C, 0x39, 0x42
|
||||||
|
},
|
||||||
|
{ // Region 6, $13ab42 (drgw2), $13ab2e (dw2v100x)
|
||||||
|
0x12, 0x09, 0xF3, 0x29, 0xA0, 0x11, 0xA0, 0x11, 0xB0, 0xD5, 0x66, 0xA1, 0x28, 0x4A, 0x21, 0xC0,
|
||||||
|
0xD3, 0x9B, 0x86, 0x80, 0x57, 0x6F, 0x41, 0xC2, 0xE4, 0x2F, 0x0B, 0x91, 0xBD, 0x3A, 0x7A, 0xBA,
|
||||||
|
0x00, 0xE5, 0x35, 0x02, 0x74, 0x7D, 0x8B, 0x21, 0x57, 0x10, 0x0F, 0xAE, 0x44, 0xBB, 0xE2, 0x37,
|
||||||
|
0x18, 0x7B, 0x52, 0x3D, 0x8C, 0x59, 0x9E, 0x20, 0x1F, 0x0A, 0xCC, 0x1C, 0x8E, 0x6A, 0xD7, 0x95,
|
||||||
|
0x2B, 0x34, 0xB0, 0x82, 0x6D, 0xFD, 0x25, 0x33, 0xAA, 0x3B, 0x2B, 0x70, 0x15, 0x87, 0x31, 0x5D,
|
||||||
|
0xBB, 0x29, 0x19, 0x95, 0xD5, 0x8E, 0x24, 0x28, 0x5E, 0xD0, 0x20, 0x83, 0x46, 0x4A, 0x21, 0x70,
|
||||||
|
0x5B, 0xCD, 0xAE, 0x7B, 0x61, 0xA1, 0xFA, 0xF4, 0x2B, 0x84, 0x15, 0x6E, 0x36, 0x5D, 0x1B, 0x24,
|
||||||
|
0x0F, 0x09, 0x3A, 0x61, 0x38, 0x0F, 0x18, 0x35, 0x11, 0x38, 0xB4, 0xBD, 0xEE, 0xF7, 0xEC, 0x0F,
|
||||||
|
0x1D, 0xB7, 0x48, 0x01, 0xAA, 0x09, 0x8F, 0x61, 0xB5, 0x0F, 0x1D, 0x26, 0x39, 0x2E, 0x8C, 0xD6,
|
||||||
|
0x26, 0x5C, 0x3D, 0x23, 0x63, 0xE9, 0x6B, 0x97, 0xB4, 0x9F, 0x7B, 0xB6, 0xBA, 0xA0, 0x7C, 0xC6,
|
||||||
|
0x25, 0xA1, 0x73, 0x36, 0x67, 0x7F, 0x74, 0x1E, 0x1D, 0xDA, 0x70, 0xBF, 0xA5, 0x63, 0x35, 0x39,
|
||||||
|
0x24, 0x8C, 0x9F, 0x85, 0x16, 0xD8, 0x50, 0x95, 0x71, 0xC0, 0xF6, 0x1E, 0x6D, 0x80, 0xED, 0x15,
|
||||||
|
0xEB, 0x63, 0xE9, 0x1B, 0xF6, 0x78, 0x31, 0xC6, 0x5C, 0xDD, 0x19, 0xBD, 0xDF, 0xA7, 0xEC, 0x50,
|
||||||
|
0x22, 0xAD, 0xBB, 0xF6, 0xEB, 0xD6, 0xA3, 0x20, 0xC9, 0xE6, 0x9F, 0xCB, 0xF2, 0x97, 0xB9, 0x54,
|
||||||
|
0x12, 0x66, 0xA6, 0xBE, 0x4A, 0x12, 0x43, 0xEC, 0x00, 0xEA, 0x49, 0x02
|
||||||
|
},
|
||||||
|
{ 0, } // Region 7, not used
|
||||||
|
};
|
||||||
|
|
||||||
m_maincpu->space(AS_PROGRAM).install_read_handler(0xd80000, 0xd80003, read16_delegate(FUNC(pgm_state::dw2_d80000_r),this));
|
void pgm_012_025_state::drgw2_protection_calculate_hold(int y, int z)
|
||||||
m_maincpu->space(AS_PROGRAM).install_write_handler(0xd80000, 0xd80003, write16_delegate(FUNC(pgm_state::dw2_d80000_w),this));
|
{
|
||||||
m_maincpu->space(AS_PROGRAM).install_write_handler(0xd00000, 0xd00fff, write16_delegate(FUNC(pgm_state::dw2_unk_w),this));
|
unsigned short old = m_drgw2_prot_hold;
|
||||||
|
|
||||||
|
m_drgw2_prot_hold = ((old << 1) | (old >> 15));
|
||||||
|
|
||||||
|
m_drgw2_prot_hold ^= 0x2bad;
|
||||||
|
m_drgw2_prot_hold ^= BIT(z, y);
|
||||||
|
m_drgw2_prot_hold ^= BIT( old, 7) << 0;
|
||||||
|
m_drgw2_prot_hold ^= BIT(~old, 13) << 4;
|
||||||
|
m_drgw2_prot_hold ^= BIT( old, 3) << 11;
|
||||||
|
|
||||||
|
m_drgw2_prot_hold ^= (m_drgw2_prot_hilo & ~0x0408) << 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
DRIVER_INIT_MEMBER(pgm_state,drgw2)
|
void pgm_012_025_state::drgw2_protection_calculate_hilo()
|
||||||
|
{
|
||||||
|
UINT8 source;
|
||||||
|
|
||||||
|
m_drgw2_prot_hilo_select++;
|
||||||
|
if (m_drgw2_prot_hilo_select > 0xeb) {
|
||||||
|
m_drgw2_prot_hilo_select = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
source = m_drgw2_source_data[m_drgw2_protection_region][m_drgw2_prot_hilo_select];
|
||||||
|
|
||||||
|
if (m_drgw2_prot_hilo_select & 1)
|
||||||
|
{
|
||||||
|
m_drgw2_prot_hilo = (m_drgw2_prot_hilo & 0x00ff) | (source << 8);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
m_drgw2_prot_hilo = (m_drgw2_prot_hilo & 0xff00) | (source << 0);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
READ16_MEMBER(pgm_012_025_state::drgw2_d80000_protection_r )
|
||||||
|
{
|
||||||
|
switch (m_drgw2_cmd)
|
||||||
|
{
|
||||||
|
case 0x05:
|
||||||
|
{
|
||||||
|
switch (m_drgw2_ptr)
|
||||||
|
{
|
||||||
|
case 1: return 0x3f00 | ((m_drgw2_protection_region >> 0) & 0xff);
|
||||||
|
|
||||||
|
case 2:
|
||||||
|
return 0x3f00 | ((m_drgw2_protection_region >> 8) & 0xff);
|
||||||
|
|
||||||
|
case 3:
|
||||||
|
return 0x3f00 | ((m_drgw2_protection_region >> 16) & 0xff);
|
||||||
|
|
||||||
|
case 4:
|
||||||
|
return 0x3f00 | ((m_drgw2_protection_region >> 24) & 0xff);
|
||||||
|
|
||||||
|
case 5:
|
||||||
|
default:
|
||||||
|
return 0x3f00 | BITSWAP8(m_drgw2_prot_hold, 5,2,9,7,10,13,12,15);
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0x3f00;
|
||||||
|
}
|
||||||
|
|
||||||
|
case 0x40:
|
||||||
|
drgw2_protection_calculate_hilo();
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
// case 0x13: // Read to $80eeb8
|
||||||
|
// case 0x1f: // Read to $80eeb8
|
||||||
|
// case 0xf4: // Read to $80eeb8
|
||||||
|
// case 0xf6: // Read to $80eeb8
|
||||||
|
// case 0xf8: // Read to $80eeb8
|
||||||
|
// return 0;
|
||||||
|
|
||||||
|
// default:
|
||||||
|
// logerror("%06x: warning, reading with igs003_reg = %02x\n", space.device().safe_pc(), m_drgw2_cmd);
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
WRITE16_MEMBER(pgm_012_025_state::drgw2_d80000_protection_w )
|
||||||
|
{
|
||||||
|
if (offset == 0)
|
||||||
|
{
|
||||||
|
m_drgw2_cmd = data;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
switch (m_drgw2_cmd)
|
||||||
|
{
|
||||||
|
case 0x20:
|
||||||
|
case 0x21:
|
||||||
|
case 0x22:
|
||||||
|
case 0x23:
|
||||||
|
case 0x24:
|
||||||
|
case 0x25:
|
||||||
|
case 0x26:
|
||||||
|
case 0x27:
|
||||||
|
m_drgw2_ptr++;
|
||||||
|
drgw2_protection_calculate_hold(m_drgw2_cmd & 0x0f, data & 0xff);
|
||||||
|
break;
|
||||||
|
|
||||||
|
// case 0x08: // Used only on init..
|
||||||
|
// case 0x09:
|
||||||
|
// case 0x0a:
|
||||||
|
// case 0x0b:
|
||||||
|
// case 0x0c:
|
||||||
|
// break;
|
||||||
|
|
||||||
|
// case 0x15: // ????
|
||||||
|
// case 0x17:
|
||||||
|
// case 0xf2:
|
||||||
|
// break;
|
||||||
|
|
||||||
|
// default:
|
||||||
|
// logerror("%06x: warning, writing to igs003_reg %02x = %02x\n", space.device().safe_pc(), m_drgw2_cmd, data);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
MACHINE_RESET_MEMBER(pgm_012_025_state,drgw2)
|
||||||
|
{
|
||||||
|
MACHINE_RESET_CALL_MEMBER(pgm);
|
||||||
|
|
||||||
|
m_drgw2_cmd = 0;
|
||||||
|
m_drgw2_ptr = 0;
|
||||||
|
m_drgw2_prot_hilo = 0;
|
||||||
|
m_drgw2_prot_hilo_select = 0;
|
||||||
|
m_drgw2_prot_hold = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
void pgm_012_025_state::drgw2_common_init()
|
||||||
|
{
|
||||||
|
m_drgw2_source_data = drgw2_source_data;
|
||||||
|
|
||||||
|
pgm_basic_init();
|
||||||
|
pgm_drgw2_decrypt();
|
||||||
|
|
||||||
|
save_item(NAME(m_drgw2_cmd));
|
||||||
|
save_item(NAME(m_drgw2_ptr));
|
||||||
|
save_item(NAME(m_drgw2_prot_hilo));
|
||||||
|
save_item(NAME(m_drgw2_prot_hilo_select));
|
||||||
|
save_item(NAME(m_drgw2_prot_hold));
|
||||||
|
}
|
||||||
|
|
||||||
|
static ADDRESS_MAP_START( drgw2_mem, AS_PROGRAM, 16, pgm_012_025_state )
|
||||||
|
AM_IMPORT_FROM(pgm_mem)
|
||||||
|
AM_RANGE(0x100000, 0x1fffff) AM_ROMBANK("bank1") /* Game ROM */
|
||||||
|
AM_RANGE(0xd00000, 0xd00fff) AM_NOP // Written, but never read back? Related to the protection device?
|
||||||
|
AM_RANGE(0xd80000, 0xd80003) AM_READWRITE(drgw2_d80000_protection_r, drgw2_d80000_protection_w)
|
||||||
|
ADDRESS_MAP_END
|
||||||
|
|
||||||
|
MACHINE_CONFIG_START( pgm_012_025_drgw2, pgm_012_025_state )
|
||||||
|
MCFG_FRAGMENT_ADD(pgmbase)
|
||||||
|
|
||||||
|
MCFG_CPU_MODIFY("maincpu")
|
||||||
|
MCFG_CPU_PROGRAM_MAP(drgw2_mem)
|
||||||
|
|
||||||
|
MCFG_MACHINE_RESET_OVERRIDE(pgm_012_025_state,drgw2)
|
||||||
|
MACHINE_CONFIG_END
|
||||||
|
|
||||||
|
|
||||||
|
DRIVER_INIT_MEMBER(pgm_012_025_state,drgw2)
|
||||||
{
|
{
|
||||||
/* incomplete? */
|
/* incomplete? */
|
||||||
UINT16 *mem16 = (UINT16 *)memregion("maincpu")->base();
|
UINT16 *mem16 = (UINT16 *)memregion("maincpu")->base();
|
||||||
|
|
||||||
drgwld2_common_init();
|
drgw2_common_init();
|
||||||
|
|
||||||
protection_address = 0xcb7e/2; // $80cb7e;
|
m_drgw2_protection_region = 0x00000006;
|
||||||
|
|
||||||
/* These ROM patches are not hacks, the protection device
|
/* These ROM patches are not hacks, the protection device
|
||||||
overlays the normal ROM code, this has been confirmed on a real PCB
|
overlays the normal ROM code, this has been confirmed on a real PCB
|
||||||
@ -197,13 +281,13 @@ DRIVER_INIT_MEMBER(pgm_state,drgw2)
|
|||||||
mem16[0x1311ce / 2] = 0x4e93;
|
mem16[0x1311ce / 2] = 0x4e93;
|
||||||
}
|
}
|
||||||
|
|
||||||
DRIVER_INIT_MEMBER(pgm_state,dw2v100x)
|
DRIVER_INIT_MEMBER(pgm_012_025_state,dw2v100x)
|
||||||
{
|
{
|
||||||
UINT16 *mem16 = (UINT16 *)memregion("maincpu")->base();
|
UINT16 *mem16 = (UINT16 *)memregion("maincpu")->base();
|
||||||
|
|
||||||
drgwld2_common_init();
|
drgw2_common_init();
|
||||||
|
|
||||||
protection_address = 0xcb7e/2; // $80cb7e;
|
m_drgw2_protection_region = 0x00000006;
|
||||||
|
|
||||||
/* These ROM patches are not hacks, the protection device
|
/* These ROM patches are not hacks, the protection device
|
||||||
overlays the normal ROM code, this has been confirmed on a real PCB
|
overlays the normal ROM code, this has been confirmed on a real PCB
|
||||||
@ -213,13 +297,13 @@ DRIVER_INIT_MEMBER(pgm_state,dw2v100x)
|
|||||||
mem16[0x1311ba / 2] = 0x4e93;
|
mem16[0x1311ba / 2] = 0x4e93;
|
||||||
}
|
}
|
||||||
|
|
||||||
DRIVER_INIT_MEMBER(pgm_state,drgw2c)
|
DRIVER_INIT_MEMBER(pgm_012_025_state,drgw2c)
|
||||||
{
|
{
|
||||||
UINT16 *mem16 = (UINT16 *)memregion("maincpu")->base();
|
UINT16 *mem16 = (UINT16 *)memregion("maincpu")->base();
|
||||||
|
|
||||||
drgwld2_common_init();
|
drgw2_common_init();
|
||||||
|
|
||||||
protection_address = 0xeece/2; // $80eece;
|
m_drgw2_protection_region = 0x00000005;
|
||||||
|
|
||||||
/* These ROM patches are not hacks, the protection device
|
/* These ROM patches are not hacks, the protection device
|
||||||
overlays the normal ROM code, this has been confirmed on a real PCB
|
overlays the normal ROM code, this has been confirmed on a real PCB
|
||||||
@ -229,13 +313,13 @@ DRIVER_INIT_MEMBER(pgm_state,drgw2c)
|
|||||||
mem16[0x1304f2 / 2] = 0x4e93;
|
mem16[0x1304f2 / 2] = 0x4e93;
|
||||||
}
|
}
|
||||||
|
|
||||||
DRIVER_INIT_MEMBER(pgm_state,drgw2j)
|
DRIVER_INIT_MEMBER(pgm_012_025_state,drgw2j)
|
||||||
{
|
{
|
||||||
UINT16 *mem16 = (UINT16 *)memregion("maincpu")->base();
|
UINT16 *mem16 = (UINT16 *)memregion("maincpu")->base();
|
||||||
|
|
||||||
drgwld2_common_init();
|
drgw2_common_init();
|
||||||
|
|
||||||
protection_address = 0x91cc/2; // $8091cc;
|
m_drgw2_protection_region = 0x00000001;
|
||||||
|
|
||||||
/* These ROM patches are not hacks, the protection device
|
/* These ROM patches are not hacks, the protection device
|
||||||
overlays the normal ROM code, this has been confirmed on a real PCB
|
overlays the normal ROM code, this has been confirmed on a real PCB
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user