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igs/pgm.cpp, igs/pgmcrypt.cpp: Use uploaded XOR tables for some games with their IGS027A internal ROMs dumped. (#12736)
This commit is contained in:
mamehaze
GitHub
parent
a186cda2f4
commit
b1909d925a
@ -291,25 +291,6 @@ void pgm_dfront_decrypt(running_machine &machine)
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}
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static const uint8_t ddp2_tab[256] = {
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0x2a, 0x4a, 0x39, 0x98, 0xac, 0x39, 0xb2, 0x55, 0x72, 0xf3, 0x7b, 0x3c, 0xee, 0x94, 0x6e, 0xd5,
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0xcd, 0xbc, 0x9a, 0xd0, 0x45, 0x7d, 0x49, 0x68, 0xb1, 0x61, 0x54, 0xef, 0xa2, 0x84, 0x29, 0x20,
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0x32, 0x52, 0x82, 0x04, 0x38, 0x69, 0x9f, 0x24, 0x46, 0xf4, 0x3f, 0xc2, 0xf1, 0x25, 0xac, 0x2d,
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0xdf, 0x2d, 0xb4, 0x51, 0xc7, 0xb5, 0xe5, 0x88, 0xbd, 0x3b, 0x5a, 0x25, 0x5b, 0xc7, 0xae, 0x5f,
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0x43, 0xcf, 0x89, 0xd9, 0xe2, 0x63, 0xc6, 0x76, 0x21, 0x2b, 0x77, 0xc0, 0x27, 0x98, 0xfd, 0x09,
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0xe1, 0x8c, 0x26, 0x2e, 0x92, 0x99, 0xbc, 0xbe, 0x0e, 0xba, 0xbf, 0x70, 0xe7, 0xb7, 0xe9, 0x37,
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0x5c, 0xd1, 0x5e, 0xad, 0x22, 0x17, 0xc5, 0x67, 0x9d, 0xc6, 0xfb, 0x53, 0xc7, 0x4d, 0x32, 0xb4,
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0xf2, 0x43, 0x53, 0x7c, 0x01, 0xfe, 0xd2, 0x91, 0x40, 0x85, 0xa3, 0xe8, 0xdf, 0xdb, 0xff, 0x6c,
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0x64, 0x15, 0xcd, 0x8e, 0x07, 0x82, 0x78, 0x8d, 0x4e, 0x2d, 0x66, 0x8a, 0x62, 0x6f, 0xd3, 0x6a,
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0xae, 0x16, 0x44, 0x1e, 0xed, 0xc4, 0x12, 0x7a, 0xbe, 0x05, 0x06, 0xce, 0x9b, 0x8a, 0xf7, 0xf8,
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0x74, 0x23, 0x73, 0x74, 0xb8, 0x13, 0xc2, 0x42, 0xea, 0xf9, 0x7f, 0xa9, 0xaf, 0x56, 0xd6, 0xb3,
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0xb7, 0xc4, 0x47, 0x31, 0x67, 0xaa, 0x58, 0x8b, 0x47, 0x1b, 0xf5, 0x75, 0x95, 0x8f, 0xf0, 0x3a,
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0x85, 0x76, 0x59, 0x24, 0x0c, 0xd7, 0x00, 0xb3, 0xdc, 0xfc, 0x65, 0x34, 0xde, 0xfa, 0xd8, 0xc3,
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0xc3, 0x5e, 0xe3, 0x9e, 0x02, 0x28, 0x50, 0x81, 0x95, 0x2f, 0xe4, 0xb5, 0xa0, 0x4d, 0xa1, 0x36,
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0x9d, 0x18, 0x6d, 0x79, 0x19, 0x3b, 0x1d, 0xb8, 0xe1, 0xcc, 0x61, 0x1a, 0xe2, 0x31, 0x4c, 0x3f,
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0xdc, 0xca, 0xd4, 0xda, 0xcd, 0xd2, 0x83, 0xca, 0xeb, 0x4f, 0xf2, 0x2f, 0x2d, 0x2a, 0xec, 0x1f
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};
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void pgm_ddp2_decrypt(running_machine &machine)
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{
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auto const src = reinterpret_cast<u16 *>(machine.root_device().memregion("user1")->base());
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@ -329,32 +310,10 @@ void pgm_ddp2_decrypt(running_machine &machine)
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IGS27_CRYPT7_ALT
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IGS27_CRYPT8_ALT
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x ^= ddp2_tab[(i>> 1) & 0xff] << 8;
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src[i] = x;
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}
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}
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static const uint8_t mm_tab[256] = {
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0xd0, 0x45, 0xbc, 0x84, 0x93, 0x60, 0x7d, 0x49, 0x68, 0xb1, 0x54, 0xa2, 0x05, 0x29, 0x41, 0x20,
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0x04, 0x08, 0x52, 0x25, 0x89, 0xf4, 0x69, 0x9f, 0x24, 0x46, 0x3d, 0xf1, 0xf9, 0xab, 0xa6, 0x2d,
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0x18, 0x19, 0x6d, 0x33, 0x79, 0x23, 0x3b, 0x1d, 0xe0, 0xb8, 0x61, 0x1a, 0xe1, 0x4c, 0x5d, 0x3f,
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0x5e, 0x02, 0xe3, 0x4d, 0x9e, 0x80, 0x28, 0x50, 0xa0, 0x81, 0xe4, 0xa5, 0x97, 0xa1, 0x86, 0x36,
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0x1e, 0xed, 0x16, 0x8a, 0x44, 0x06, 0x64, 0x12, 0x9a, 0x7e, 0xce, 0x9b, 0xef, 0xf7, 0x3e, 0xf8,
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0x15, 0x07, 0xcb, 0x6f, 0x8e, 0x3c, 0x82, 0x70, 0x62, 0x8d, 0x66, 0x7a, 0x4e, 0xd3, 0xb6, 0x6a,
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0x51, 0xa7, 0x2c, 0xc7, 0xa4, 0x0b, 0xb5, 0xe5, 0x88, 0xbd, 0x5a, 0x5b, 0x1b, 0xae, 0xe6, 0x5f,
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0x2e, 0x92, 0x8c, 0xb7, 0x96, 0xba, 0x99, 0xbb, 0xbe, 0x0e, 0xbf, 0xe7, 0x2f, 0xe9, 0x30, 0x37,
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0x98, 0xac, 0x4a, 0x94, 0x38, 0xf3, 0x39, 0xb2, 0x55, 0x72, 0x7b, 0xee, 0xdd, 0x6e, 0x11, 0xd5,
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0x26, 0xa8, 0x71, 0xd6, 0x74, 0x7f, 0x13, 0xc2, 0x56, 0xea, 0xa9, 0xaf, 0xc3, 0x42, 0x03, 0xb3,
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0xc4, 0x6b, 0x47, 0xf0, 0x31, 0xf5, 0xaa, 0x58, 0x8f, 0x48, 0x75, 0x95, 0x35, 0x8b, 0x57, 0x3a,
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0x73, 0x0c, 0x59, 0xd8, 0x14, 0x65, 0xd7, 0x00, 0xfa, 0xdc, 0x34, 0xde, 0xc0, 0xb0, 0x87, 0xc1,
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0xc8, 0xcd, 0xd4, 0x2a, 0xda, 0xe8, 0xd2, 0x83, 0x0d, 0xca, 0xf2, 0x0f, 0xeb, 0xec, 0x9c, 0x1f,
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0xad, 0x22, 0xd1, 0x4b, 0x5c, 0xf6, 0x17, 0xc5, 0x67, 0x9d, 0xfb, 0xc9, 0xcc, 0x32, 0x1c, 0xb4,
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0xd9, 0xe2, 0xcf, 0x90, 0xb9, 0x2b, 0x63, 0xc6, 0x76, 0x21, 0x77, 0x27, 0xfc, 0xfd, 0x0a, 0x09,
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0x7c, 0x01, 0x43, 0xdb, 0x53, 0x85, 0xfe, 0x78, 0x91, 0x40, 0xa3, 0xdf, 0x4f, 0xff, 0x10, 0x6c
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};
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void pgm_mm_decrypt(running_machine &machine) // and dw2001
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{
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auto const src = reinterpret_cast<u16 *>(machine.root_device().memregion("user1")->base());
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@ -374,30 +333,11 @@ void pgm_mm_decrypt(running_machine &machine) // and dw2001
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IGS27_CRYPT7
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IGS27_CRYPT8_ALT
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x ^= mm_tab[(i>> 1) & 0xff] << 8;
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src[i] = x;
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}
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}
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static const uint8_t kov2_tab[256] = {
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0x11, 0x4a, 0x38, 0x98, 0xac, 0x39, 0xb2, 0x55, 0x72, 0xf3, 0x7b, 0x3c, 0xee, 0x94, 0x6e, 0xd5,
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0x41, 0xbc, 0x93, 0xd0, 0x45, 0x7d, 0x49, 0x68, 0xb1, 0x60, 0x54, 0xef, 0xa2, 0x84, 0x29, 0x20,
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0xa6, 0x52, 0x89, 0x04, 0x08, 0x69, 0x9f, 0x24, 0x46, 0xf4, 0x3d, 0xc3, 0xf1, 0x25, 0xab, 0x2d,
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0xe6, 0x2c, 0xa4, 0x51, 0xa7, 0xb5, 0xe5, 0x88, 0xbd, 0x0b, 0x5a, 0x35, 0x5b, 0xc7, 0xae, 0x5f,
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0x0a, 0xcf, 0xb9, 0xd9, 0xe2, 0x63, 0xc6, 0x76, 0x21, 0x2b, 0x77, 0xc0, 0x27, 0x90, 0xfd, 0x09,
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0x30, 0x8c, 0x96, 0x2e, 0x92, 0x99, 0xbb, 0xbe, 0x0e, 0xba, 0xbf, 0x80, 0xe7, 0xb7, 0xe9, 0x37,
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0x1c, 0xd1, 0x5c, 0xad, 0x22, 0x17, 0xc5, 0x67, 0x9d, 0xf6, 0xfb, 0x23, 0xc9, 0x4b, 0x32, 0xb4,
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0x10, 0x43, 0x53, 0x7c, 0x01, 0xfe, 0x78, 0x91, 0x40, 0x85, 0xa3, 0xe8, 0xdf, 0xdb, 0xff, 0x6c,
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0xb6, 0x15, 0xcb, 0x8e, 0x07, 0x82, 0x70, 0x8d, 0x4e, 0xdd, 0x66, 0x7a, 0x62, 0x6f, 0xd3, 0x6a,
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0x3e, 0x16, 0x44, 0x1e, 0xed, 0x64, 0x12, 0x9a, 0x7e, 0x05, 0x06, 0xce, 0x9b, 0x8a, 0xf7, 0xf8,
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0x03, 0x26, 0x71, 0x74, 0xa8, 0x13, 0xc2, 0x42, 0xea, 0xf9, 0x7f, 0xa9, 0xaf, 0x56, 0xd6, 0xb3,
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0x57, 0xc4, 0x47, 0x31, 0x6b, 0xaa, 0x58, 0x8b, 0x48, 0x1b, 0xf5, 0x75, 0x95, 0x8f, 0xf0, 0x3a,
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0x87, 0x73, 0x59, 0x14, 0x0c, 0xd7, 0x00, 0xb0, 0xdc, 0xfc, 0x65, 0x34, 0xde, 0xfa, 0xd8, 0xc1,
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0x86, 0x5e, 0xe3, 0x9e, 0x02, 0x28, 0x50, 0x81, 0x97, 0x2f, 0xe4, 0xa5, 0xa0, 0x4d, 0xa1, 0x36,
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0x5d, 0x18, 0x6d, 0x79, 0x19, 0x3b, 0x1d, 0xb8, 0xe1, 0xcc, 0x61, 0x1a, 0xe0, 0x33, 0x4c, 0x3f,
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0x9c, 0xc8, 0xd4, 0xda, 0xcd, 0xd2, 0x83, 0xca, 0xeb, 0x4f, 0xf2, 0x0f, 0x0d, 0x2a, 0xec, 0x1f
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};
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void pgm_kov2_decrypt(running_machine &machine)
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{
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@ -418,31 +358,10 @@ void pgm_kov2_decrypt(running_machine &machine)
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IGS27_CRYPT7_ALT
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IGS27_CRYPT8_ALT
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x ^= kov2_tab[(i >> 1) & 0xff] << 8;
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src[i] = x;
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}
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}
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static const uint8_t kov2p_tab[256] = {
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0x44, 0x47, 0xb8, 0x28, 0x03, 0xa2, 0x21, 0xbc, 0x17, 0x32, 0x4e, 0xe2, 0xdf, 0x69, 0x35, 0xc7,
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0xa2, 0x06, 0xec, 0x36, 0xd2, 0x44, 0x12, 0x6a, 0x8d, 0x51, 0x6b, 0x20, 0x69, 0x01, 0xca, 0xf0,
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0x71, 0xc4, 0x34, 0xdc, 0x6b, 0xd6, 0x42, 0x2a, 0x5d, 0xb5, 0xc7, 0x6f, 0x4f, 0xd8, 0xb3, 0xed,
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0x51, 0x9e, 0x37, 0x1e, 0xc0, 0x85, 0x2a, 0x91, 0xc6, 0x9c, 0xac, 0xf5, 0x20, 0x3b, 0x09, 0x74,
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0x24, 0xf1, 0xe0, 0x42, 0x02, 0xbe, 0x84, 0x75, 0x4a, 0x82, 0xa2, 0x17, 0xae, 0xb6, 0x24, 0x79,
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0x0a, 0x5a, 0x56, 0xcb, 0xa1, 0x2e, 0x47, 0xea, 0xa9, 0x25, 0x73, 0x79, 0x0b, 0x17, 0x9e, 0x33,
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0x64, 0xb6, 0x03, 0x7f, 0x4f, 0xc3, 0xae, 0x45, 0xe6, 0x82, 0x27, 0x01, 0x86, 0x6b, 0x50, 0x16,
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0xd3, 0x22, 0x90, 0x64, 0xfc, 0xa9, 0x31, 0x1c, 0x41, 0xd5, 0x07, 0xd3, 0xb2, 0xfe, 0x53, 0xd6,
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0x39, 0xfb, 0xe6, 0xbe, 0xda, 0x4d, 0x8a, 0x44, 0x3a, 0x9b, 0x9d, 0x56, 0x5e, 0x5f, 0xff, 0x6a,
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0xb6, 0xde, 0x2f, 0x12, 0x5a, 0x5d, 0xb0, 0xd0, 0x93, 0x92, 0xb2, 0x2c, 0x9d, 0x59, 0xee, 0x05,
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0xab, 0xa8, 0xd2, 0x25, 0x2c, 0xc5, 0xde, 0x18, 0x4d, 0xb6, 0x4e, 0x3d, 0xbf, 0xfa, 0xf9, 0x1d,
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0xba, 0x76, 0x79, 0xfc, 0x42, 0xb2, 0x8c, 0xae, 0xa9, 0x45, 0xba, 0xac, 0x55, 0x8e, 0x38, 0x67,
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0xc3, 0xa5, 0x0d, 0xdc, 0xcc, 0x91, 0x73, 0x69, 0x27, 0xbc, 0x80, 0xdf, 0x30, 0xa4, 0x05, 0xd8,
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0xe7, 0xd2, 0xb7, 0x4b, 0x3c, 0x10, 0x8c, 0x5d, 0x8a, 0xd7, 0x68, 0x7a, 0x61, 0x07, 0xf9, 0xa5,
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0x88, 0xda, 0xdf, 0x0c, 0x42, 0x1b, 0x11, 0xe0, 0xd1, 0x93, 0x7c, 0x63, 0x39, 0xc5, 0xed, 0x43,
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0x46, 0xdb, 0x30, 0x26, 0xd0, 0xdf, 0x7a, 0x86, 0x3e, 0x2e, 0x04, 0xbf, 0x49, 0x2a, 0xf9, 0x66
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};
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void pgm_kov2p_decrypt(running_machine &machine)
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{
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auto const src = reinterpret_cast<u16 *>(machine.root_device().memregion("user1")->base());
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@ -462,8 +381,6 @@ void pgm_kov2p_decrypt(running_machine &machine)
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IGS27_CRYPT7
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IGS27_CRYPT8_ALT
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x ^= kov2p_tab[(i >> 1) & 0xff] << 8;
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src[i] = x;
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}
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}
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@ -1506,8 +1423,6 @@ void pgm_dwpc_decrypt(running_machine &machine)
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IGS27_CRYPT7_ALT
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IGS27_CRYPT8
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x ^= mm_tab[(i>> 1) & 0xff] << 8;
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src[i] = x;
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}
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}
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@ -113,16 +113,25 @@ void pgm_arm_type2_state::kov2_mem(address_map &map)
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map(0xd10000, 0xd10001).rw(FUNC(pgm_arm_type2_state::arm7_latch_68k_r), FUNC(pgm_arm_type2_state::arm7_latch_68k_w)); /* ARM7 Latch */
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}
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u32 pgm_arm_type2_state::external_rom_r(offs_t offset)
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{
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return m_external_rom[offset] ^ m_xor_table[offset & 0x00ff];
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}
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void pgm_arm_type2_state::xor_table_w(offs_t offset, u8 data)
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{
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m_xor_table[offset] = (u32(data) << 24) | (u32(data) << 8);
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}
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void pgm_arm_type2_state::_55857F_arm7_map(address_map &map)
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{
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map(0x00000000, 0x00003fff).rom();
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map(0x08000000, 0x083fffff).rom().region("user1", 0);
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map(0x08000000, 0x083fffff).rom().r(FUNC(pgm_arm_type2_state::external_rom_r));
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map(0x10000000, 0x100003ff).ram();
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map(0x18000000, 0x1800ffff).ram().share("arm_ram");
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map(0x38000000, 0x38000003).rw(FUNC(pgm_arm_type2_state::arm7_latch_arm_r), FUNC(pgm_arm_type2_state::arm7_latch_arm_w)); /* 68k Latch */
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map(0x48000000, 0x4800ffff).rw(FUNC(pgm_arm_type2_state::arm7_shareram_r), FUNC(pgm_arm_type2_state::arm7_shareram_w)).share("arm7_shareram");
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map(0x50000000, 0x500003ff).ram();
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map(0x50000000, 0x500003ff).ram().umask32(0x000000ff).w(FUNC(pgm_arm_type2_state::xor_table_w));
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}
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/******* ARM 55857F *******/
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@ -150,9 +159,11 @@ void pgm_arm_type2_state::kov2_latch_init()
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{
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m_kov2_latchdata_68k_w = 0;
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m_kov2_latchdata_arm_w = 0;
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std::fill(std::begin(m_xor_table), std::end(m_xor_table), 0);
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save_item(NAME(m_kov2_latchdata_68k_w));
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save_item(NAME(m_kov2_latchdata_arm_w));
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save_item(NAME(m_xor_table));
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}
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void pgm_arm_type2_state::kov2_arm_region_w(offs_t offset, u32 data, u32 mem_mask)
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@ -4,12 +4,15 @@
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class pgm_arm_type2_state : public pgm_state
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{
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public:
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pgm_arm_type2_state(const machine_config &mconfig, device_type type, const char *tag)
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: pgm_state(mconfig, type, tag),
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m_arm_ram(*this, "arm_ram"),
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m_arm7_shareram(*this, "arm7_shareram"),
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m_prot(*this, "prot") {
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pgm_arm_type2_state(const machine_config &mconfig, device_type type, const char *tag) :
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pgm_state(mconfig, type, tag),
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m_arm_ram(*this, "arm_ram"),
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m_arm7_shareram(*this, "arm7_shareram"),
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m_prot(*this, "prot"),
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m_external_rom(*this, "user1")
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{
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}
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void init_kov2();
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void init_kov2p();
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void init_martmast();
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@ -30,7 +33,12 @@ private:
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required_shared_ptr<u32> m_arm7_shareram;
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optional_device<cpu_device> m_prot;
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required_region_ptr<u32> m_external_rom;
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u32 m_xor_table[0x100];
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u32 external_rom_r(offs_t offset);
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void xor_table_w(offs_t offset, u8 data);
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u32 arm7_latch_arm_r(offs_t offset, u32 mem_mask = ~0);
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void arm7_latch_arm_w(offs_t offset, u32 data, u32 mem_mask = ~0);
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u32 arm7_shareram_r(offs_t offset, u32 mem_mask = ~0);
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