diff options
Diffstat (limited to 'src/mame/old/cmc_prot.cpp')
-rw-r--r-- | src/mame/old/cmc_prot.cpp | 798 |
1 files changed, 798 insertions, 0 deletions
diff --git a/src/mame/old/cmc_prot.cpp b/src/mame/old/cmc_prot.cpp new file mode 100644 index 00000000000..7a3979e2232 --- /dev/null +++ b/src/mame/old/cmc_prot.cpp @@ -0,0 +1,798 @@ +// license:BSD-3-Clause +// copyright-holders:S. Smith,David Haywood + +#include "emu.h" +#include "cmc_prot.h" + + + +const device_type CMC_PROT = device_creator<cmc_prot_device>; + + +cmc_prot_device::cmc_prot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) + : device_t(mconfig, CMC_PROT, "NeoGeo Protection (CMC)", tag, owner, clock, "cmc_prot", __FILE__), + type0_t03(nullptr), + type0_t12(nullptr), + type1_t03(nullptr), + type1_t12(nullptr), + address_8_15_xor1(nullptr), + address_8_15_xor2(nullptr), + address_16_23_xor1(nullptr), + address_16_23_xor2(nullptr), + address_0_7_xor(nullptr) +{ +} + + +void cmc_prot_device::device_start() +{ +} + +void cmc_prot_device::device_reset() +{ +} + + + + + + + +/*************************************************************************** + +NeoGeo 'C' ROM encryption + +Starting with KOF99, all NeoGeo games have encrypted graphics. Additionally +to that, the data for the front text layer, which was previously stored in +a separate ROM, is stored at the end of the tile data. + +The encryption is one of the nastiest implementation of a XOR scheme ever +seen, involving 9 seemingly uncorrelated 256-byte tables. All known games use +the same tables except KOF2000 and MS4 which use a different set. + +The 32 data bits of every longword are decrypted in a single step (one byte at +a time), but the values to use for the xor are determined in a convoluted way. +It's actually so convoluted that it's too difficult to describe - please refer +to the source below. +Suffice to say that bytes are handled in couples (0&3 and 1&2), and the two xor +values are taken from three tables, the indexes inside the tables depending on +bits 0-7 and 8-15 of the address, in one case further xored through the table +used in step 5) below. Additionally, the bytes in a couple can be swapped, +depending either on bit 8 of the address, or on bit 16 xored with the table +used in step 4) below. + +The 24 address bits are encrypted in five steps. Each step xors 8 bits with a +value taken from a different table; the index inside the table depends on 8 +other bits. +0) xor bits 0-7 with a fixed value that changes from game to game +1) xor bits 8-15 depending on bits 16-23 +2) xor bits 8-15 depending on bits 0-7 +3) xor bits 16-23 depending on bits 0-7 +4) xor bits 16-23 depending on bits 8-15 +5) xor bits 0-7 depending on bits 8-15 + +Each step acts on the current value, so e.g. step 4) uses bits 8-15 as modified +by step 2). + +[Note: the table used in step 1) is currently incomplete due to lack of data to +analyze] + + +There are two major weaknesses in this encryption algorithm, that exposed it to +a known plaintext attack. + +The first weakness is that the data xor depends on the address inside the +encrypted ROM instead that on the decrypted address; together with the high +concentration of 0x00 and 0xFF in the decrypted data (more than 60% of the +total), this exposed easily recognizable patterns in the encrypted data, which +could be exploited with some simple statistical checks. The deviousness of the +xor scheme was the major difficulty. + +The second weakness is that the address scrambling works on 32-bit words. Since +there are a large number of 32-bit values that appear only once in the whole +encrypted ROM space, this means that once the xor layer was broken, a large +table of encrypted-decrypted address correspondencies could be built and +analyzed, quickly leading to the algorithm. + +***************************************************************************/ + +static const uint8_t kof99_type0_t03[256] = +{ + 0xfb, 0x86, 0x9d, 0xf1, 0xbf, 0x80, 0xd5, 0x43, 0xab, 0xb3, 0x9f, 0x6a, 0x33, 0xd9, 0xdb, 0xb6, + 0x66, 0x08, 0x69, 0x88, 0xcc, 0xb7, 0xde, 0x49, 0x97, 0x64, 0x1f, 0xa6, 0xc0, 0x2f, 0x52, 0x42, + 0x44, 0x5a, 0xf2, 0x28, 0x98, 0x87, 0x96, 0x8a, 0x83, 0x0b, 0x03, 0x61, 0x71, 0x99, 0x6b, 0xb5, + 0x1a, 0x8e, 0xfe, 0x04, 0xe1, 0xf7, 0x7d, 0xdd, 0xed, 0xca, 0x37, 0xfc, 0xef, 0x39, 0x72, 0xda, + 0xb8, 0xbe, 0xee, 0x7f, 0xe5, 0x31, 0x78, 0xf3, 0x91, 0x9a, 0xd2, 0x11, 0x19, 0xb9, 0x09, 0x4c, + 0xfd, 0x6d, 0x2a, 0x4d, 0x65, 0xa1, 0x89, 0xc7, 0x75, 0x50, 0x21, 0xfa, 0x16, 0x00, 0xe9, 0x12, + 0x74, 0x2b, 0x1e, 0x4f, 0x14, 0x01, 0x70, 0x3a, 0x4e, 0x3f, 0xf5, 0xf4, 0x1d, 0x3d, 0x15, 0x27, + 0xa7, 0xff, 0x45, 0xe0, 0x6e, 0xf9, 0x54, 0xc8, 0x48, 0xad, 0xa5, 0x0a, 0xf6, 0x2d, 0x2c, 0xe2, + 0x68, 0x67, 0xd6, 0x85, 0xb4, 0xc3, 0x34, 0xbc, 0x62, 0xd3, 0x5f, 0x84, 0x06, 0x5b, 0x0d, 0x95, + 0xea, 0x5e, 0x9e, 0xd4, 0xeb, 0x90, 0x7a, 0x05, 0x81, 0x57, 0xe8, 0x60, 0x2e, 0x20, 0x25, 0x7c, + 0x46, 0x0c, 0x93, 0xcb, 0xbd, 0x17, 0x7e, 0xec, 0x79, 0xb2, 0xc2, 0x22, 0x41, 0xb1, 0x10, 0xac, + 0xa8, 0xbb, 0x9b, 0x82, 0x4b, 0x9c, 0x8b, 0x07, 0x47, 0x35, 0x24, 0x56, 0x8d, 0xaf, 0xe6, 0x26, + 0x40, 0x38, 0xc4, 0x5d, 0x1b, 0xc5, 0xd1, 0x0f, 0x6c, 0x7b, 0xb0, 0xe3, 0xa3, 0x23, 0x6f, 0x58, + 0xc1, 0xba, 0xcf, 0xd7, 0xa2, 0xe7, 0xd0, 0x63, 0x5c, 0xf8, 0x73, 0xa0, 0x13, 0xdc, 0x29, 0xcd, + 0xc9, 0x76, 0xae, 0x8f, 0xe4, 0x59, 0x30, 0xaa, 0x94, 0x1c, 0x3c, 0x0e, 0x55, 0x92, 0x77, 0x32, + 0xc6, 0xce, 0x18, 0x36, 0xdf, 0xa9, 0x8c, 0xd8, 0xa4, 0xf0, 0x3b, 0x51, 0x4a, 0x02, 0x3e, 0x53, +}; + + +static const uint8_t kof99_type0_t12[256] = +{ + 0x1f, 0xac, 0x4d, 0xcd, 0xca, 0x70, 0x02, 0x6b, 0x18, 0x40, 0x62, 0xb2, 0x3f, 0x9b, 0x5b, 0xef, + 0x69, 0x68, 0x71, 0x3b, 0xcb, 0xd4, 0x30, 0xbc, 0x47, 0x72, 0x74, 0x5e, 0x84, 0x4c, 0x1b, 0xdb, + 0x6a, 0x35, 0x1d, 0xf5, 0xa1, 0xb3, 0x87, 0x5d, 0x57, 0x28, 0x2f, 0xc4, 0xfd, 0x24, 0x26, 0x36, + 0xad, 0xbe, 0x61, 0x63, 0x73, 0xaa, 0x82, 0xee, 0x29, 0xd0, 0xdf, 0x8c, 0x15, 0xb5, 0x96, 0xf3, + 0xdd, 0x7e, 0x3a, 0x37, 0x58, 0x7f, 0x0c, 0xfc, 0x0b, 0x07, 0xe8, 0xf7, 0xf4, 0x14, 0xb8, 0x81, + 0xb6, 0xd7, 0x1e, 0xc8, 0x85, 0xe6, 0x9d, 0x33, 0x60, 0xc5, 0x95, 0xd5, 0x55, 0x00, 0xa3, 0xb7, + 0x7d, 0x50, 0x0d, 0xd2, 0xc1, 0x12, 0xe5, 0xed, 0xd8, 0xa4, 0x9c, 0x8f, 0x2a, 0x4f, 0xa8, 0x01, + 0x52, 0x83, 0x65, 0xea, 0x9a, 0x6c, 0x44, 0x4a, 0xe2, 0xa5, 0x2b, 0x46, 0xe1, 0x34, 0x25, 0xf8, + 0xc3, 0xda, 0xc7, 0x6e, 0x48, 0x38, 0x7c, 0x78, 0x06, 0x53, 0x64, 0x16, 0x98, 0x3c, 0x91, 0x42, + 0x39, 0xcc, 0xb0, 0xf1, 0xeb, 0x13, 0xbb, 0x05, 0x32, 0x86, 0x0e, 0xa2, 0x0a, 0x9e, 0xfa, 0x66, + 0x54, 0x8e, 0xd3, 0xe7, 0x19, 0x20, 0x77, 0xec, 0xff, 0xbd, 0x6d, 0x43, 0x23, 0x03, 0xab, 0x75, + 0x3d, 0xcf, 0xd1, 0xde, 0x92, 0x31, 0xa7, 0x45, 0x4b, 0xc2, 0x97, 0xf9, 0x7a, 0x88, 0xd9, 0x1c, + 0xe9, 0xe4, 0x10, 0xc9, 0x22, 0x2d, 0x90, 0x76, 0x17, 0x79, 0x04, 0x51, 0x1a, 0x5a, 0x5f, 0x2c, + 0x21, 0x6f, 0x3e, 0xe0, 0xf0, 0xbf, 0xd6, 0x94, 0x0f, 0x80, 0x11, 0xa0, 0x5c, 0xa9, 0x49, 0x2e, + 0xce, 0xaf, 0xa6, 0x9f, 0x7b, 0x99, 0xb9, 0xb4, 0xe3, 0xfb, 0xf6, 0x27, 0xf2, 0x93, 0xfe, 0x08, + 0x67, 0xae, 0x09, 0x89, 0xdc, 0x4e, 0xc6, 0xc0, 0x8a, 0xb1, 0x59, 0x8b, 0x41, 0x56, 0x8d, 0xba, +}; + + +static const uint8_t kof99_type1_t03[256] = +{ + 0xa9, 0x17, 0xaf, 0x0d, 0x34, 0x6e, 0x53, 0xb6, 0x7f, 0x58, 0xe9, 0x14, 0x5f, 0x55, 0xdb, 0xd4, + 0x42, 0x80, 0x99, 0x59, 0xa8, 0x3a, 0x57, 0x5d, 0xd5, 0x6f, 0x4c, 0x68, 0x35, 0x46, 0xa6, 0xe7, + 0x7b, 0x71, 0xe0, 0x93, 0xa2, 0x1f, 0x64, 0x21, 0xe3, 0xb1, 0x98, 0x26, 0xab, 0xad, 0xee, 0xe5, + 0xbb, 0xd9, 0x1e, 0x2e, 0x95, 0x36, 0xef, 0x23, 0x79, 0x45, 0x04, 0xed, 0x13, 0x1d, 0xf4, 0x85, + 0x96, 0xec, 0xc2, 0x32, 0xaa, 0x7c, 0x15, 0xd8, 0xda, 0x92, 0x90, 0x9d, 0xb7, 0x56, 0x6a, 0x66, + 0x41, 0xfc, 0x00, 0xf6, 0x50, 0x24, 0xcf, 0xfb, 0x11, 0xfe, 0x82, 0x48, 0x9b, 0x27, 0x1b, 0x67, + 0x4e, 0x84, 0x69, 0x97, 0x6d, 0x8c, 0xd2, 0xba, 0x74, 0xf9, 0x8f, 0xa5, 0x54, 0x5c, 0xcd, 0x73, + 0x07, 0xd1, 0x01, 0x09, 0xf1, 0x19, 0x3b, 0x5e, 0x87, 0x30, 0x76, 0xcc, 0xc0, 0x5a, 0xa7, 0x49, + 0x22, 0xfa, 0x16, 0x02, 0xdf, 0xa4, 0xff, 0xb3, 0x75, 0x33, 0xbd, 0x88, 0x2f, 0xcb, 0x2a, 0x44, + 0xb8, 0xbf, 0x1c, 0x0f, 0x81, 0x10, 0x43, 0xb4, 0xc8, 0x7e, 0x9a, 0x25, 0xea, 0x83, 0x4b, 0x38, + 0x7a, 0xd7, 0x3d, 0x1a, 0x4f, 0x62, 0x51, 0xc9, 0x47, 0x0e, 0xce, 0x3f, 0xc7, 0x4d, 0x2c, 0xa1, + 0x86, 0xb9, 0xc5, 0xca, 0xdd, 0x6b, 0x70, 0x6c, 0x91, 0x9c, 0xbe, 0x0a, 0x9f, 0xf5, 0x94, 0xbc, + 0x18, 0x2b, 0x60, 0x20, 0x29, 0xf7, 0xf2, 0x28, 0xc4, 0xa0, 0x0b, 0x65, 0xde, 0x8d, 0x78, 0x12, + 0x3e, 0xd0, 0x77, 0x08, 0x8b, 0xae, 0x05, 0x31, 0x3c, 0xd6, 0xa3, 0x89, 0x06, 0xdc, 0x52, 0x72, + 0xb0, 0xb5, 0x37, 0xd3, 0xc3, 0x8a, 0xc6, 0xf0, 0xc1, 0x61, 0xfd, 0x4a, 0x5b, 0x7d, 0x9e, 0xf3, + 0x63, 0x40, 0x2d, 0xe8, 0xb2, 0xe6, 0x39, 0x03, 0xeb, 0x8e, 0xe1, 0x0c, 0xe4, 0xe2, 0xf8, 0xac, +}; + + +static const uint8_t kof99_type1_t12[256] = +{ + 0xea, 0xe6, 0x5e, 0xa7, 0x8e, 0xac, 0x34, 0x03, 0x30, 0x97, 0x52, 0x53, 0x76, 0xf2, 0x62, 0x0b, + 0x0a, 0xfc, 0x94, 0xb8, 0x67, 0x36, 0x11, 0xbc, 0xae, 0xca, 0xfa, 0x15, 0x04, 0x2b, 0x17, 0xc4, + 0x3e, 0x5b, 0x59, 0x01, 0x57, 0xe2, 0xba, 0xb7, 0xd1, 0x3f, 0xf0, 0x6a, 0x9c, 0x2a, 0xcb, 0xa9, + 0xe3, 0x2c, 0xc0, 0x0f, 0x46, 0x91, 0x8a, 0xd0, 0x98, 0xc5, 0xa6, 0x1b, 0x96, 0x29, 0x12, 0x09, + 0x63, 0xed, 0xe0, 0xa2, 0x86, 0x77, 0xbe, 0xe5, 0x65, 0xdb, 0xbd, 0x50, 0xb3, 0x9d, 0x1a, 0x4e, + 0x79, 0x0c, 0x00, 0x43, 0xdf, 0x3d, 0x54, 0x33, 0x8f, 0x89, 0xa8, 0x7b, 0xf9, 0xd5, 0x27, 0x82, + 0xbb, 0xc2, 0x8c, 0x47, 0x88, 0x6b, 0xb4, 0xc3, 0xf8, 0xaa, 0x06, 0x1e, 0x83, 0x7d, 0x05, 0x78, + 0x85, 0xf6, 0x6e, 0x2e, 0xec, 0x5a, 0x31, 0x45, 0x38, 0x14, 0x16, 0x8b, 0x02, 0xe4, 0x4f, 0xb0, + 0xbf, 0xab, 0xa4, 0x9e, 0x48, 0x60, 0x19, 0x35, 0x08, 0xde, 0xdd, 0x66, 0x90, 0x51, 0xcc, 0xa3, + 0xaf, 0x70, 0x9b, 0x75, 0x95, 0x49, 0x6c, 0x64, 0x72, 0x7e, 0x44, 0xa0, 0x73, 0x25, 0x68, 0x55, + 0x1f, 0x40, 0x7a, 0x74, 0x0e, 0x8d, 0xdc, 0x1c, 0x71, 0xc8, 0xcf, 0xd7, 0xe8, 0xce, 0xeb, 0x32, + 0x3a, 0xee, 0x07, 0x61, 0x4d, 0xfe, 0x5c, 0x7c, 0x56, 0x2f, 0x2d, 0x5f, 0x6f, 0x9f, 0x81, 0x22, + 0x58, 0x4b, 0xad, 0xda, 0xb9, 0x10, 0x18, 0x23, 0xe1, 0xf3, 0x6d, 0xe7, 0xe9, 0x28, 0xd6, 0xd8, + 0xf4, 0x4c, 0x39, 0x21, 0xb2, 0x84, 0xc1, 0x24, 0x26, 0xf1, 0x93, 0x37, 0xc6, 0x4a, 0xcd, 0x20, + 0xc9, 0xd9, 0xc7, 0xb1, 0xff, 0x99, 0xd4, 0x5d, 0xb5, 0xa1, 0x87, 0x0d, 0x69, 0x92, 0x13, 0x80, + 0xd2, 0xd3, 0xfd, 0x1d, 0xf5, 0x3b, 0xa5, 0x7f, 0xef, 0x9a, 0xb6, 0x42, 0xfb, 0x3c, 0xf7, 0x41, +}; + + +/* underlined values are wrong (not enough evidence, FF fill in kof99 and garou) */ +/* they correspond to tiles 7d000-7efff */ +static const uint8_t kof99_address_8_15_xor1[256] = +{ + 0x00, 0xb1, 0x1e, 0xc5, 0x3d, 0x40, 0x45, 0x5e, 0xf2, 0xf8, 0x04, 0x63, 0x36, 0x87, 0x88, 0xbf, + 0xab, 0xcc, 0x78, 0x08, 0xdd, 0x20, 0xd4, 0x35, 0x09, 0x8e, 0x44, 0xae, 0x33, 0xa9, 0x9e, 0xcd, + 0xb3, 0xe5, 0xad, 0x41, 0xda, 0xbe, 0xf4, 0x16, 0x57, 0x2e, 0x53, 0x67, 0xaf, 0xdb, 0x8a, 0xd8, + 0x34, 0x17, 0x3c, 0x01, 0x55, 0x73, 0xcf, 0xe3, 0xe8, 0xc7, 0x0d, 0xe9, 0xa3, 0x13, 0x0c, 0xf6, + 0x90, 0x4e, 0xfb, 0x97, 0x6d, 0x5f, 0xa8, 0x71, 0x11, 0xfc, 0xd1, 0x95, 0x81, 0xba, 0x8c, 0x1b, + 0x39, 0xfe, 0xa2, 0x15, 0xa6, 0x52, 0x4d, 0x5b, 0x59, 0xa5, 0xe0, 0x96, 0xd9, 0x8f, 0x7b, 0xed, + 0x29, 0xd3, 0x1f, 0x0e, 0xec, 0x23, 0x0f, 0xb8, 0x6c, 0x6f, 0x7d, 0x18, 0x46, 0xd6, 0xe4, 0xb5, + 0x9a, 0x79, 0x02, 0xf5, 0x03, 0xc0, 0x60, 0x66, 0x5c, 0x2f, 0x76, 0x85, 0x9d, 0x54, 0x1a, 0x6a, + 0x28, 0xce, 0x7f, 0x7c, 0x91, 0x99, 0x4c, 0x83, 0x3e, 0xb4, 0x1d, 0x05, 0xc1, 0xc3, 0xd7, 0x47, + 0xde, 0xbc, 0x62, 0x6e, 0x86, 0x14, 0x80, 0x77, 0xeb, 0xf3, 0x07, 0x31, 0x56, 0xd2, 0xc2, 0xc6, + 0x6b, 0xdc, 0xfd, 0x22, 0x92, 0xf0, 0x06, 0x51, 0x2d, 0x38, 0xe6, 0xa0, 0x25, 0xdf, 0xd5, 0x2c, + 0x1c, 0x94, 0x12, 0x9c, 0xb0, 0x9b, 0xc4, 0x0b, 0xc8, 0xd0, 0xf7, 0x30, 0xcb, 0x27, 0xfa, 0x7a, + 0x10, 0x61, 0xaa, 0xa4, 0x70, 0xb7, 0x2a, 0x5a, 0xc9, 0xf1, 0x0a, 0x49, 0x65, 0xee, 0x69, 0x4b, + 0x3a, 0x8d, 0x32, 0x5d, 0x68, 0xb9, 0x9f, 0x75, 0x19, 0x3f, 0xac, 0x37, 0x4f, 0xe7, 0x93, 0x89, + 0x7e, 0x4a, 0x3b, 0xea, 0x74, 0x72, 0x43, 0xbd, 0x24, 0xef, 0xb6, 0xff, 0x64, 0x58, 0x84, 0x8b, + 0xa7, 0xbb, 0xb2, 0xe1, 0x26, 0x2b, 0x50, 0xca, 0x21, 0xf9, 0x98, 0xa1, 0xe2, 0x42, 0x82, 0x48, +// ^^^^ ^^^^ ^^^^ ^^^^ +}; + + +static const uint8_t kof99_address_8_15_xor2[256] = +{ + 0x9b, 0x9d, 0xc1, 0x3d, 0xa9, 0xb8, 0xf4, 0x6f, 0xf6, 0x25, 0xc7, 0x47, 0xd5, 0x97, 0xdf, 0x6b, + 0xeb, 0x90, 0xa4, 0xb2, 0x5d, 0xf5, 0x66, 0xb0, 0xb9, 0x8b, 0x93, 0x64, 0xec, 0x7b, 0x65, 0x8c, + 0xf1, 0x43, 0x42, 0x6e, 0x45, 0x9f, 0xb3, 0x35, 0x06, 0x71, 0x96, 0xdb, 0xa0, 0xfb, 0x0b, 0x3a, + 0x1f, 0xf8, 0x8e, 0x69, 0xcd, 0x26, 0xab, 0x86, 0xa2, 0x0c, 0xbd, 0x63, 0xa5, 0x7a, 0xe7, 0x6a, + 0x5f, 0x18, 0x9e, 0xbf, 0xad, 0x55, 0xb1, 0x1c, 0x5c, 0x03, 0x30, 0xc6, 0x37, 0x20, 0xe3, 0xc9, + 0x52, 0xe8, 0xee, 0x4f, 0x01, 0x70, 0xc4, 0x77, 0x29, 0x2a, 0xba, 0x53, 0x12, 0x04, 0x7d, 0xaf, + 0x33, 0x8f, 0xa8, 0x4d, 0xaa, 0x5b, 0xb4, 0x0f, 0x92, 0xbb, 0xed, 0xe1, 0x2f, 0x50, 0x6c, 0xd2, + 0x2c, 0x95, 0xd9, 0xf9, 0x98, 0xc3, 0x76, 0x4c, 0xf2, 0xe4, 0xe5, 0x2b, 0xef, 0x9c, 0x49, 0xb6, + 0x31, 0x3b, 0xbc, 0xa1, 0xca, 0xde, 0x62, 0x74, 0xea, 0x81, 0x00, 0xdd, 0xa6, 0x46, 0x88, 0x3f, + 0x39, 0xd6, 0x23, 0x54, 0x24, 0x4a, 0xd8, 0xdc, 0xd7, 0xd1, 0xcc, 0xbe, 0x57, 0x7c, 0xda, 0x44, + 0x61, 0xce, 0xd3, 0xd4, 0xe9, 0x28, 0x80, 0xe0, 0x56, 0x8a, 0x09, 0x05, 0x9a, 0x89, 0x1b, 0xf7, + 0xf3, 0x99, 0x6d, 0x5e, 0x48, 0x91, 0xc0, 0xd0, 0xc5, 0x79, 0x78, 0x41, 0x59, 0x21, 0x2e, 0xff, + 0xc2, 0x4b, 0x38, 0x83, 0x32, 0xe6, 0xe2, 0x7f, 0x1e, 0x17, 0x58, 0x1d, 0x1a, 0xfa, 0x85, 0x82, + 0x94, 0xc8, 0x72, 0x7e, 0xb7, 0xac, 0x0e, 0xfc, 0xfd, 0x16, 0x27, 0x75, 0x8d, 0xcb, 0x08, 0xfe, + 0x0a, 0x02, 0x0d, 0x36, 0x11, 0x22, 0x84, 0x40, 0x34, 0x3e, 0x2d, 0x68, 0x5a, 0xa7, 0x67, 0xae, + 0x87, 0x07, 0x10, 0x60, 0x14, 0x73, 0x3c, 0x51, 0x19, 0xa3, 0xb5, 0xcf, 0x13, 0xf0, 0x15, 0x4e, +}; + + +static const uint8_t kof99_address_16_23_xor1[256] = +{ + 0x00, 0x5f, 0x03, 0x52, 0xce, 0xe3, 0x7d, 0x8f, 0x6b, 0xf8, 0x20, 0xde, 0x7b, 0x7e, 0x39, 0xbe, + 0xf5, 0x94, 0x18, 0x78, 0x80, 0xc9, 0x7f, 0x7a, 0x3e, 0x63, 0xf2, 0xe0, 0x4e, 0xf7, 0x87, 0x27, + 0x69, 0x6c, 0xa4, 0x1d, 0x85, 0x5b, 0xe6, 0x44, 0x25, 0x0c, 0x98, 0xc7, 0x01, 0x02, 0xa3, 0x26, + 0x09, 0x38, 0xdb, 0xc3, 0x1e, 0xcf, 0x23, 0x45, 0x68, 0x76, 0xd6, 0x22, 0x5d, 0x5a, 0xae, 0x16, + 0x9f, 0xa2, 0xb5, 0xcd, 0x81, 0xea, 0x5e, 0xb8, 0xb9, 0x9d, 0x9c, 0x1a, 0x0f, 0xff, 0xe1, 0xe7, + 0x74, 0xaa, 0xd4, 0xaf, 0xfc, 0xc6, 0x33, 0x29, 0x5c, 0xab, 0x95, 0xf0, 0x19, 0x47, 0x59, 0x67, + 0xf3, 0x96, 0x60, 0x1f, 0x62, 0x92, 0xbd, 0x89, 0xee, 0x28, 0x13, 0x06, 0xfe, 0xfa, 0x32, 0x6d, + 0x57, 0x3c, 0x54, 0x50, 0x2c, 0x58, 0x49, 0xfb, 0x17, 0xcc, 0xef, 0xb2, 0xb4, 0xf9, 0x07, 0x70, + 0xc5, 0xa9, 0xdf, 0xd5, 0x3b, 0x86, 0x2b, 0x0d, 0x6e, 0x4d, 0x0a, 0x90, 0x43, 0x31, 0xc1, 0xf6, + 0x88, 0x0b, 0xda, 0x53, 0x14, 0xdc, 0x75, 0x8e, 0xb0, 0xeb, 0x99, 0x46, 0xa1, 0x15, 0x71, 0xc8, + 0xe9, 0x3f, 0x4a, 0xd9, 0x73, 0xe5, 0x7c, 0x30, 0x77, 0xd3, 0xb3, 0x4b, 0x37, 0x72, 0xc2, 0x04, + 0x97, 0x08, 0x36, 0xb1, 0x3a, 0x61, 0xec, 0xe2, 0x1c, 0x9a, 0x8b, 0xd1, 0x1b, 0x2e, 0x9e, 0x8a, + 0xd8, 0x41, 0xe4, 0xc4, 0x40, 0x2f, 0xad, 0xc0, 0xb6, 0x84, 0x51, 0x66, 0xbb, 0x12, 0xe8, 0xdd, + 0xcb, 0xbc, 0x6f, 0xd0, 0x11, 0x83, 0x56, 0x4c, 0xca, 0xbf, 0x05, 0x10, 0xd7, 0xba, 0xfd, 0xed, + 0x8c, 0x0e, 0x4f, 0x3d, 0x35, 0x91, 0xb7, 0xac, 0x34, 0x64, 0x2a, 0xf1, 0x79, 0x6a, 0x9b, 0x2d, + 0x65, 0xf4, 0x42, 0xa0, 0x8d, 0xa7, 0x48, 0x55, 0x21, 0x93, 0x24, 0xd2, 0xa6, 0xa5, 0xa8, 0x82, +}; + + +static const uint8_t kof99_address_16_23_xor2[256] = +{ + 0x29, 0x97, 0x1a, 0x2c, 0x0b, 0x94, 0x3e, 0x75, 0x01, 0x0d, 0x1b, 0xe1, 0x4d, 0x38, 0x39, 0x8f, + 0xe7, 0xd0, 0x60, 0x90, 0xb2, 0x0f, 0xbb, 0x70, 0x1f, 0xe6, 0x5b, 0x87, 0xb4, 0x43, 0xfd, 0xf5, + 0xf6, 0xf9, 0xad, 0xc0, 0x98, 0x17, 0x9f, 0x91, 0x15, 0x51, 0x55, 0x64, 0x6c, 0x18, 0x61, 0x0e, + 0xd9, 0x93, 0xab, 0xd6, 0x24, 0x2f, 0x6a, 0x3a, 0x22, 0xb1, 0x4f, 0xaa, 0x23, 0x48, 0xed, 0xb9, + 0x88, 0x8b, 0xa3, 0x6b, 0x26, 0x4c, 0xe8, 0x2d, 0x1c, 0x99, 0xbd, 0x5c, 0x58, 0x08, 0x50, 0xf2, + 0x2a, 0x62, 0xc1, 0x72, 0x66, 0x04, 0x10, 0x37, 0x6e, 0xfc, 0x44, 0xa9, 0xdf, 0xd4, 0x20, 0xdd, + 0xee, 0x41, 0xdb, 0x73, 0xde, 0x54, 0xec, 0xc9, 0xf3, 0x4b, 0x2e, 0xae, 0x5a, 0x4a, 0x5e, 0x47, + 0x07, 0x2b, 0x76, 0xa4, 0xe3, 0x28, 0xfe, 0xb0, 0xf0, 0x02, 0x06, 0xd1, 0xaf, 0x42, 0xc2, 0xa5, + 0xe0, 0x67, 0xbf, 0x16, 0x8e, 0x35, 0xce, 0x8a, 0xe5, 0x3d, 0x7b, 0x96, 0xd7, 0x79, 0x52, 0x1e, + 0xa1, 0xfb, 0x9b, 0xbe, 0x21, 0x9c, 0xe9, 0x56, 0x14, 0x7f, 0xa0, 0xe4, 0xc3, 0xc4, 0x46, 0xea, + 0xf7, 0xd2, 0x1d, 0x31, 0x0a, 0x5f, 0xeb, 0xa2, 0x68, 0x8d, 0xb5, 0xc5, 0x74, 0x0c, 0xdc, 0x82, + 0x80, 0x09, 0x19, 0x95, 0x71, 0x9a, 0x11, 0x57, 0x77, 0x4e, 0xc6, 0xff, 0x12, 0x03, 0xa7, 0xc7, + 0xf4, 0xc8, 0xb6, 0x7a, 0x59, 0x36, 0x3c, 0x53, 0xe2, 0x69, 0x8c, 0x25, 0x05, 0x45, 0x63, 0xf8, + 0x34, 0x89, 0x33, 0x3f, 0x85, 0x27, 0xbc, 0x65, 0xfa, 0xa8, 0x6d, 0x84, 0x5d, 0xba, 0x40, 0x32, + 0x30, 0xef, 0x83, 0x13, 0xa6, 0x78, 0xcc, 0x81, 0x9e, 0xda, 0xca, 0xd3, 0x7e, 0x9d, 0x6f, 0xcd, + 0xb7, 0xb3, 0xd8, 0xcf, 0x3b, 0x00, 0x92, 0xb8, 0x86, 0xac, 0x49, 0x7c, 0xf1, 0xd5, 0xcb, 0x7d, +}; + + +static const uint8_t kof99_address_0_7_xor[256] = +{ + 0x74, 0xad, 0x5d, 0x1d, 0x9e, 0xc3, 0xfa, 0x4e, 0xf7, 0xdb, 0xca, 0xa2, 0x64, 0x36, 0x56, 0x0c, + 0x4f, 0xcf, 0x43, 0x66, 0x1e, 0x91, 0xe3, 0xa5, 0x58, 0xc2, 0xc1, 0xd4, 0xb9, 0xdd, 0x76, 0x16, + 0xce, 0x61, 0x75, 0x01, 0x2b, 0x22, 0x38, 0x55, 0x50, 0xef, 0x6c, 0x99, 0x05, 0xe9, 0xe8, 0xe0, + 0x2d, 0xa4, 0x4b, 0x4a, 0x42, 0xae, 0xba, 0x8c, 0x6f, 0x93, 0x14, 0xbd, 0x71, 0x21, 0xb0, 0x02, + 0x15, 0xc4, 0xe6, 0x60, 0xd7, 0x44, 0xfd, 0x85, 0x7e, 0x78, 0x8f, 0x00, 0x81, 0xf1, 0xa7, 0x3b, + 0xa0, 0x10, 0xf4, 0x9f, 0x39, 0x88, 0x35, 0x62, 0xcb, 0x19, 0x31, 0x11, 0x51, 0xfb, 0x2a, 0x20, + 0x45, 0xd3, 0x7d, 0x92, 0x1b, 0xf2, 0x09, 0x0d, 0x97, 0xa9, 0xb5, 0x3c, 0xee, 0x5c, 0xaf, 0x7b, + 0xd2, 0x3a, 0x49, 0x8e, 0xb6, 0xcd, 0xd9, 0xde, 0x8a, 0x29, 0x6e, 0xd8, 0x0b, 0xe1, 0x69, 0x87, + 0x1a, 0x96, 0x18, 0xcc, 0xdf, 0xe7, 0xc5, 0xc7, 0xf8, 0x52, 0xc9, 0xf0, 0xb7, 0xe5, 0x33, 0xda, + 0x67, 0x9d, 0xa3, 0x03, 0x0e, 0x72, 0x26, 0x79, 0xe2, 0xb8, 0xfc, 0xaa, 0xfe, 0xb4, 0x86, 0xc8, + 0xd1, 0xbc, 0x12, 0x08, 0x77, 0xeb, 0x40, 0x8d, 0x04, 0x25, 0x4d, 0x5a, 0x6a, 0x7a, 0x2e, 0x41, + 0x65, 0x1c, 0x13, 0x94, 0xb2, 0x63, 0x28, 0x59, 0x5e, 0x9a, 0x30, 0x07, 0xc6, 0xbf, 0x17, 0xf5, + 0x0f, 0x89, 0xf3, 0x1f, 0xea, 0x6d, 0xb3, 0xc0, 0x70, 0x47, 0xf9, 0x53, 0xf6, 0xd6, 0x54, 0xed, + 0x6b, 0x4c, 0xe4, 0x8b, 0x83, 0x24, 0x90, 0xb1, 0x7c, 0xbb, 0x73, 0xab, 0xd5, 0x2f, 0x5f, 0xec, + 0x9c, 0x2c, 0xa8, 0x34, 0x46, 0x37, 0x27, 0xa1, 0x0a, 0x06, 0x80, 0x68, 0x82, 0x32, 0x84, 0xff, + 0x48, 0xac, 0x7f, 0x3f, 0x95, 0xdc, 0x98, 0x9b, 0xbe, 0x23, 0x57, 0x3e, 0x5b, 0xd0, 0x3d, 0xa6, +}; + + +static const uint8_t kof2000_type0_t03[256] = +{ + 0x10, 0x61, 0xf1, 0x78, 0x85, 0x52, 0x68, 0xe3, 0x12, 0x0d, 0xfa, 0xf0, 0xc9, 0x36, 0x5e, 0x3d, + 0xf9, 0xa6, 0x01, 0x2e, 0xc7, 0x84, 0xea, 0x2b, 0x6d, 0x14, 0x38, 0x4f, 0x55, 0x1c, 0x9d, 0xa7, + 0x7a, 0xc6, 0xf8, 0x9a, 0xe6, 0x42, 0xb5, 0xed, 0x7d, 0x3a, 0xb1, 0x05, 0x43, 0x4a, 0x22, 0xfd, + 0xac, 0xa4, 0x31, 0xc3, 0x32, 0x76, 0x95, 0x9e, 0x7e, 0x88, 0x8e, 0xa2, 0x97, 0x18, 0xbe, 0x2a, + 0xf5, 0xd6, 0xca, 0xcc, 0x72, 0x3b, 0x87, 0x6c, 0xde, 0x75, 0xd7, 0x21, 0xcb, 0x0b, 0xdd, 0xe7, + 0xe1, 0x65, 0xaa, 0xb9, 0x44, 0xfb, 0x66, 0x15, 0x1a, 0x3c, 0x98, 0xcf, 0x8a, 0xdf, 0x37, 0xa5, + 0x2f, 0x67, 0xd2, 0x83, 0xb6, 0x6b, 0xfc, 0xe0, 0xb4, 0x7c, 0x08, 0xdc, 0x93, 0x30, 0xab, 0xe4, + 0x19, 0xc2, 0x8b, 0xeb, 0xa0, 0x0a, 0xc8, 0x03, 0xc0, 0x4b, 0x64, 0x71, 0x86, 0x9c, 0x9b, 0x16, + 0x79, 0xff, 0x70, 0x09, 0x8c, 0xd0, 0xf6, 0x53, 0x07, 0x73, 0xd4, 0x89, 0xb3, 0x00, 0xe9, 0xfe, + 0xec, 0x8f, 0xbc, 0xb2, 0x1e, 0x5d, 0x11, 0x35, 0xa9, 0x06, 0x59, 0x9f, 0xc1, 0xd3, 0x7b, 0xf2, + 0xc5, 0x77, 0x4e, 0x39, 0x20, 0xd5, 0x6a, 0x82, 0xda, 0x45, 0xf3, 0x33, 0x81, 0x23, 0xba, 0xe2, + 0x1d, 0x5f, 0x5c, 0x51, 0x49, 0xae, 0x8d, 0xc4, 0xa8, 0xf7, 0x1f, 0x0f, 0x34, 0x28, 0xa1, 0xd9, + 0x27, 0xd8, 0x4c, 0x2c, 0xbf, 0x91, 0x3e, 0x69, 0x57, 0x41, 0x25, 0x0c, 0x5a, 0x90, 0x92, 0xb0, + 0x63, 0x6f, 0x40, 0xaf, 0x74, 0xb8, 0x2d, 0x80, 0xbb, 0x46, 0x94, 0xe5, 0x29, 0xee, 0xb7, 0x1b, + 0x96, 0xad, 0x13, 0x0e, 0x58, 0x99, 0x60, 0x4d, 0x17, 0x26, 0xce, 0xe8, 0xdb, 0xef, 0x24, 0xa3, + 0x6e, 0x7f, 0x54, 0x3f, 0x02, 0xd1, 0x5b, 0x50, 0x56, 0x48, 0xf4, 0xbd, 0x62, 0x47, 0x04, 0xcd, +}; + + +static const uint8_t kof2000_type0_t12[256] = +{ + 0xf4, 0x28, 0xb4, 0x8f, 0xfa, 0xeb, 0x8e, 0x54, 0x2b, 0x49, 0xd1, 0x76, 0x71, 0x47, 0x8b, 0x57, + 0x92, 0x85, 0x7c, 0xb8, 0x5c, 0x22, 0xf9, 0x26, 0xbc, 0x5b, 0x6d, 0x67, 0xae, 0x5f, 0x6f, 0xf5, + 0x9f, 0x48, 0x66, 0x40, 0x0d, 0x11, 0x4e, 0xb2, 0x6b, 0x35, 0x15, 0x0f, 0x18, 0x25, 0x1d, 0xba, + 0xd3, 0x69, 0x79, 0xec, 0xa8, 0x8c, 0xc9, 0x7f, 0x4b, 0xdb, 0x51, 0xaf, 0xca, 0xe2, 0xb3, 0x81, + 0x12, 0x5e, 0x7e, 0x38, 0xc8, 0x95, 0x01, 0xff, 0xfd, 0xfb, 0xf2, 0x74, 0x62, 0x14, 0xa5, 0x98, + 0xa6, 0xda, 0x80, 0x53, 0xe8, 0x56, 0xac, 0x1b, 0x52, 0xd0, 0xf1, 0x45, 0x42, 0xb6, 0x1a, 0x4a, + 0x3a, 0x99, 0xfc, 0xd2, 0x9c, 0xcf, 0x31, 0x2d, 0xdd, 0x86, 0x2f, 0x29, 0xe1, 0x03, 0x19, 0xa2, + 0x41, 0x33, 0x83, 0x90, 0xc1, 0xbf, 0x0b, 0x08, 0x3d, 0xd8, 0x8d, 0x6c, 0x39, 0xa0, 0xe3, 0x55, + 0x02, 0x50, 0x46, 0xe6, 0xc3, 0x82, 0x36, 0x13, 0x75, 0xab, 0x27, 0xd7, 0x1f, 0x0a, 0xd4, 0x89, + 0x59, 0x4f, 0xc0, 0x5d, 0xc6, 0xf7, 0x88, 0xbd, 0x3c, 0x00, 0xef, 0xcd, 0x05, 0x1c, 0xaa, 0x9b, + 0xed, 0x7a, 0x61, 0x17, 0x93, 0xfe, 0x23, 0xb9, 0xf3, 0x68, 0x78, 0xf6, 0x5a, 0x7b, 0xe0, 0xe4, + 0xa3, 0xee, 0x16, 0x72, 0xc7, 0x3b, 0x8a, 0x37, 0x2a, 0x70, 0xa9, 0x2c, 0x21, 0xf8, 0x24, 0x09, + 0xce, 0x20, 0x9e, 0x06, 0x87, 0xc5, 0x04, 0x64, 0x43, 0x7d, 0x4d, 0x10, 0xd6, 0xa4, 0x94, 0x4c, + 0x60, 0xde, 0xdf, 0x58, 0xb1, 0x44, 0x3f, 0xb0, 0xd9, 0xe5, 0xcb, 0xbb, 0xbe, 0xea, 0x07, 0x34, + 0x73, 0x6a, 0x77, 0xf0, 0x9d, 0x0c, 0x2e, 0x0e, 0x91, 0x9a, 0xcc, 0xc2, 0xb7, 0x63, 0x97, 0xd5, + 0xdc, 0xc4, 0x32, 0xe7, 0x84, 0x3e, 0x30, 0xa1, 0x1e, 0xb5, 0x6e, 0x65, 0xe9, 0xad, 0xa7, 0x96, +}; + + +static const uint8_t kof2000_type1_t03[256] = +{ + 0x9a, 0x2f, 0xcc, 0x4e, 0x40, 0x69, 0xac, 0xca, 0xa5, 0x7b, 0x0a, 0x61, 0x91, 0x0d, 0x55, 0x74, + 0xcd, 0x8b, 0x0b, 0x80, 0x09, 0x5e, 0x38, 0xc7, 0xda, 0xbf, 0xf5, 0x37, 0x23, 0x31, 0x33, 0xe9, + 0xae, 0x87, 0xe5, 0xfa, 0x6e, 0x5c, 0xad, 0xf4, 0x76, 0x62, 0x9f, 0x2e, 0x01, 0xe2, 0xf6, 0x47, + 0x8c, 0x7c, 0xaa, 0x98, 0xb5, 0x92, 0x51, 0xec, 0x5f, 0x07, 0x5d, 0x6f, 0x16, 0xa1, 0x1d, 0xa9, + 0x48, 0x45, 0xf0, 0x6a, 0x9c, 0x1e, 0x11, 0xa0, 0x06, 0x46, 0xd5, 0xf1, 0x73, 0xed, 0x94, 0xf7, + 0xc3, 0x57, 0x1b, 0xe0, 0x97, 0xb1, 0xa4, 0xa7, 0x24, 0xe7, 0x2b, 0x05, 0x5b, 0x34, 0x0c, 0xb8, + 0x0f, 0x9b, 0xc8, 0x4d, 0x5a, 0xa6, 0x86, 0x3e, 0x14, 0x29, 0x84, 0x58, 0x90, 0xdb, 0x2d, 0x54, + 0x9d, 0x82, 0xd4, 0x7d, 0xc6, 0x67, 0x41, 0x89, 0xc1, 0x13, 0xb0, 0x9e, 0x81, 0x6d, 0xa8, 0x59, + 0xbd, 0x39, 0x8e, 0xe6, 0x25, 0x8f, 0xd9, 0xa2, 0xe4, 0x53, 0xc5, 0x72, 0x7e, 0x36, 0x4a, 0x4f, + 0x52, 0xc2, 0x22, 0x2a, 0xce, 0x3c, 0x21, 0x2c, 0x00, 0xd7, 0x75, 0x8a, 0x27, 0xee, 0x43, 0xfe, + 0xcb, 0x6b, 0xb9, 0xa3, 0x78, 0xb7, 0x85, 0x02, 0x20, 0xd0, 0x83, 0xc4, 0x12, 0xf9, 0xfd, 0xd8, + 0x79, 0x64, 0x3a, 0x49, 0x03, 0xb4, 0xc0, 0xf2, 0xdf, 0x15, 0x93, 0x08, 0x35, 0xff, 0x70, 0xdd, + 0x28, 0x6c, 0x0e, 0x04, 0xde, 0x7a, 0x65, 0xd2, 0xab, 0x42, 0x95, 0xe1, 0x3f, 0x3b, 0x7f, 0x66, + 0xd1, 0x8d, 0xe3, 0xbb, 0x1c, 0xfc, 0x77, 0x1a, 0x88, 0x18, 0x19, 0x68, 0x1f, 0x56, 0xd6, 0xe8, + 0xb6, 0xbc, 0xd3, 0xea, 0x3d, 0x26, 0xb3, 0xc9, 0x44, 0xdc, 0xf3, 0x32, 0x30, 0xef, 0x96, 0x4c, + 0xaf, 0x17, 0xf8, 0xfb, 0x60, 0x50, 0xeb, 0x4b, 0x99, 0x63, 0xba, 0xb2, 0x71, 0xcf, 0x10, 0xbe, +}; + + +static const uint8_t kof2000_type1_t12[256] = +{ + 0xda, 0xa7, 0xd6, 0x6e, 0x2f, 0x5e, 0xf0, 0x3f, 0xa4, 0xce, 0xd3, 0xfd, 0x46, 0x2a, 0xac, 0xc9, + 0xbe, 0xeb, 0x9f, 0xd5, 0x3c, 0x61, 0x96, 0x11, 0xd0, 0x38, 0xca, 0x06, 0xed, 0x1b, 0x65, 0xe7, + 0x23, 0xdd, 0xd9, 0x05, 0xbf, 0x5b, 0x5d, 0xa5, 0x95, 0x00, 0xec, 0xf1, 0x01, 0xa9, 0xa6, 0xfc, + 0xbb, 0x54, 0xe3, 0x2e, 0x92, 0x58, 0x0a, 0x7b, 0xb6, 0xcc, 0xb1, 0x5f, 0x14, 0x35, 0x72, 0xff, + 0xe6, 0x52, 0xd7, 0x8c, 0xf3, 0x43, 0xaf, 0x9c, 0xc0, 0x4f, 0x0c, 0x42, 0x8e, 0xef, 0x80, 0xcd, + 0x1d, 0x7e, 0x88, 0x3b, 0x98, 0xa1, 0xad, 0xe4, 0x9d, 0x8d, 0x2b, 0x56, 0xb5, 0x50, 0xdf, 0x66, + 0x6d, 0xd4, 0x60, 0x09, 0xe1, 0xee, 0x4a, 0x47, 0xf9, 0xfe, 0x73, 0x07, 0x89, 0xa8, 0x39, 0xea, + 0x82, 0x9e, 0xcf, 0x26, 0xb2, 0x4e, 0xc3, 0x59, 0xf2, 0x3d, 0x9a, 0xb0, 0x69, 0xf7, 0xbc, 0x34, + 0xe5, 0x36, 0x22, 0xfb, 0x57, 0x71, 0x99, 0x6c, 0x83, 0x30, 0x55, 0xc2, 0xbd, 0xf4, 0x77, 0xe9, + 0x76, 0x97, 0xa0, 0xe0, 0xb9, 0x86, 0x6b, 0xa3, 0x84, 0x67, 0x1a, 0x70, 0x02, 0x5a, 0x41, 0x5c, + 0x25, 0x81, 0xaa, 0x28, 0x78, 0x4b, 0xc6, 0x64, 0x53, 0x16, 0x4d, 0x8b, 0x20, 0x93, 0xae, 0x0f, + 0x94, 0x2c, 0x3a, 0xc7, 0x62, 0xe8, 0xc4, 0xdb, 0x04, 0xc5, 0xfa, 0x29, 0x48, 0xd1, 0x08, 0x24, + 0x0d, 0xe2, 0xd8, 0x10, 0xb4, 0x91, 0x8a, 0x13, 0x0e, 0xdc, 0xd2, 0x79, 0xb8, 0xf8, 0xba, 0x2d, + 0xcb, 0xf5, 0x7d, 0x37, 0x51, 0x40, 0x31, 0xa2, 0x0b, 0x18, 0x63, 0x7f, 0xb3, 0xab, 0x9b, 0x87, + 0xf6, 0x90, 0xde, 0xc8, 0x27, 0x45, 0x7c, 0x1c, 0x85, 0x68, 0x33, 0x19, 0x03, 0x75, 0x15, 0x7a, + 0x1f, 0x49, 0x8f, 0x4c, 0xc1, 0x44, 0x17, 0x12, 0x6f, 0x32, 0xb7, 0x3e, 0x74, 0x1e, 0x21, 0x6a, +}; + + +static const uint8_t kof2000_address_8_15_xor1[256] = +{ + 0xfc, 0x9b, 0x1c, 0x35, 0x72, 0x53, 0xd6, 0x7d, 0x84, 0xa4, 0xc5, 0x93, 0x7b, 0xe7, 0x47, 0xd5, + 0x24, 0xa2, 0xfa, 0x19, 0x0c, 0xb1, 0x8c, 0xb9, 0x9d, 0xd8, 0x59, 0x4f, 0x3c, 0xb2, 0x78, 0x4a, + 0x2a, 0x96, 0x9a, 0xf1, 0x1f, 0x22, 0xa8, 0x5b, 0x67, 0xa3, 0x0f, 0x00, 0xfb, 0xdf, 0xeb, 0x0a, + 0x57, 0xb8, 0x25, 0xd7, 0xf0, 0x6b, 0x0b, 0x31, 0x95, 0x23, 0x2d, 0x5c, 0x27, 0xc7, 0xf4, 0x55, + 0x1a, 0xf7, 0x74, 0xbe, 0xd3, 0xac, 0x3d, 0xc1, 0x7f, 0xbd, 0x28, 0x01, 0x10, 0xe5, 0x09, 0x37, + 0x1e, 0x58, 0xaf, 0x17, 0xf2, 0x16, 0x30, 0x92, 0x36, 0x68, 0xe6, 0xd4, 0xea, 0xb7, 0x75, 0x54, + 0x77, 0x41, 0xb4, 0x8d, 0xe0, 0xf3, 0x51, 0x03, 0xa9, 0xe8, 0x66, 0xab, 0x29, 0xa5, 0xed, 0xcb, + 0xd1, 0xaa, 0xf5, 0xdb, 0x4c, 0x42, 0x97, 0x8a, 0xae, 0xc9, 0x6e, 0x04, 0x33, 0x85, 0xdd, 0x2b, + 0x6f, 0xef, 0x12, 0x21, 0x7a, 0xa1, 0x5a, 0x91, 0xc8, 0xcc, 0xc0, 0xa7, 0x60, 0x3e, 0x56, 0x2f, + 0xe4, 0x71, 0x99, 0xc2, 0xa0, 0x45, 0x80, 0x65, 0xbb, 0x87, 0x69, 0x81, 0x73, 0xca, 0xf6, 0x46, + 0x43, 0xda, 0x26, 0x7e, 0x8f, 0xe1, 0x8b, 0xfd, 0x50, 0x79, 0xba, 0xc6, 0x63, 0x4b, 0xb3, 0x8e, + 0x34, 0xe2, 0x48, 0x14, 0xcd, 0xe3, 0xc4, 0x05, 0x13, 0x40, 0x06, 0x6c, 0x88, 0xb0, 0xe9, 0x1b, + 0x4d, 0xf8, 0x76, 0x02, 0x44, 0x94, 0xcf, 0x32, 0xfe, 0xce, 0x3b, 0x5d, 0x2c, 0x89, 0x5f, 0xdc, + 0xd2, 0x9c, 0x6a, 0xec, 0x18, 0x6d, 0x0e, 0x86, 0xff, 0x5e, 0x9e, 0xee, 0x11, 0xd0, 0x49, 0x52, + 0x4e, 0x61, 0x90, 0x0d, 0xc3, 0x39, 0x15, 0x83, 0xb5, 0x62, 0x3f, 0x70, 0x7c, 0xad, 0x20, 0xbf, + 0x2e, 0x08, 0x1d, 0xf9, 0xb6, 0xa6, 0x64, 0x07, 0x82, 0x38, 0x98, 0x3a, 0x9f, 0xde, 0xbc, 0xd9, +}; + + +static const uint8_t kof2000_address_8_15_xor2[256] = +{ + 0x00, 0xbe, 0x06, 0x5a, 0xfa, 0x42, 0x15, 0xf2, 0x3f, 0x0a, 0x84, 0x93, 0x4e, 0x78, 0x3b, 0x89, + 0x32, 0x98, 0xa2, 0x87, 0x73, 0xdd, 0x26, 0xe5, 0x05, 0x71, 0x08, 0x6e, 0x9b, 0xe0, 0xdf, 0x9e, + 0xfc, 0x83, 0x81, 0xef, 0xb2, 0xc0, 0xc3, 0xbf, 0xa7, 0x6d, 0x1b, 0x95, 0xed, 0xb9, 0x3e, 0x13, + 0xb0, 0x47, 0x9c, 0x7a, 0x24, 0x41, 0x68, 0xd0, 0x36, 0x0b, 0xb5, 0xc2, 0x67, 0xf7, 0x54, 0x92, + 0x1e, 0x44, 0x86, 0x2b, 0x94, 0xcc, 0xba, 0x23, 0x0d, 0xca, 0x6b, 0x4c, 0x2a, 0x9a, 0x2d, 0x8b, + 0xe3, 0x52, 0x29, 0xf0, 0x21, 0xbd, 0xbb, 0x1f, 0xa3, 0xab, 0xf8, 0x46, 0xb7, 0x45, 0x82, 0x5e, + 0xdb, 0x07, 0x5d, 0xe9, 0x9d, 0x1a, 0x48, 0xce, 0x91, 0x12, 0xd4, 0xee, 0xa9, 0x39, 0xf1, 0x18, + 0x2c, 0x22, 0x8a, 0x7e, 0x34, 0x4a, 0x8c, 0xc1, 0x14, 0xf3, 0x20, 0x35, 0xd9, 0x96, 0x33, 0x77, + 0x9f, 0x76, 0x7c, 0x90, 0xc6, 0xd5, 0xa1, 0x5b, 0xac, 0x75, 0xc7, 0x0c, 0xb3, 0x17, 0xd6, 0x99, + 0x56, 0xa6, 0x3d, 0x1d, 0xb1, 0x2e, 0xd8, 0xbc, 0x2f, 0xde, 0x60, 0x55, 0x6c, 0x40, 0xcd, 0x43, + 0xff, 0xad, 0x38, 0x79, 0x51, 0xc8, 0x0e, 0x5f, 0xc4, 0x66, 0xcb, 0xa8, 0x7d, 0xa4, 0x3a, 0xea, + 0x27, 0x7b, 0x70, 0x8e, 0x5c, 0x19, 0x0f, 0x80, 0x6f, 0x8f, 0x10, 0xf9, 0x49, 0x85, 0x69, 0x7f, + 0xeb, 0x1c, 0x01, 0x65, 0x37, 0xa5, 0x28, 0xe4, 0x6a, 0x03, 0x04, 0xd1, 0x31, 0x11, 0x30, 0xfb, + 0x88, 0x97, 0xd3, 0xf6, 0xc5, 0x4d, 0xf5, 0x3c, 0xe8, 0x61, 0xdc, 0xd2, 0xb4, 0xb8, 0xa0, 0xae, + 0x16, 0x25, 0x02, 0x09, 0xfe, 0xcf, 0x53, 0x63, 0xaf, 0x59, 0xf4, 0xe1, 0xec, 0xd7, 0xe7, 0x50, + 0xe2, 0xc9, 0xaa, 0x4b, 0x8d, 0x4f, 0xe6, 0x64, 0xda, 0x74, 0xb6, 0x72, 0x57, 0x62, 0xfd, 0x58, +}; + + +static const uint8_t kof2000_address_16_23_xor1[256] = +{ + 0x45, 0x9f, 0x6e, 0x2f, 0x28, 0xbc, 0x5e, 0x6d, 0xda, 0xb5, 0x0d, 0xb8, 0xc0, 0x8e, 0xa2, 0x32, + 0xee, 0xcd, 0x8d, 0x48, 0x8c, 0x27, 0x14, 0xeb, 0x65, 0xd7, 0xf2, 0x93, 0x99, 0x90, 0x91, 0xfc, + 0x5f, 0xcb, 0xfa, 0x75, 0x3f, 0x26, 0xde, 0x72, 0x33, 0x39, 0xc7, 0x1f, 0x88, 0x79, 0x73, 0xab, + 0x4e, 0x36, 0x5d, 0x44, 0xd2, 0x41, 0xa0, 0x7e, 0xa7, 0x8b, 0xa6, 0xbf, 0x03, 0xd8, 0x86, 0xdc, + 0x2c, 0xaa, 0x70, 0x3d, 0x46, 0x07, 0x80, 0x58, 0x0b, 0x2b, 0xe2, 0xf0, 0xb1, 0xfe, 0x42, 0xf3, + 0xe9, 0xa3, 0x85, 0x78, 0xc3, 0xd0, 0x5a, 0xdb, 0x1a, 0xfb, 0x9d, 0x8a, 0xa5, 0x12, 0x0e, 0x54, + 0x8f, 0xc5, 0x6c, 0xae, 0x25, 0x5b, 0x4b, 0x17, 0x02, 0x9c, 0x4a, 0x24, 0x40, 0xe5, 0x9e, 0x22, + 0xc6, 0x49, 0x62, 0xb6, 0x6b, 0xbb, 0xa8, 0xcc, 0xe8, 0x81, 0x50, 0x47, 0xc8, 0xbe, 0x5c, 0xa4, + 0xd6, 0x94, 0x4f, 0x7b, 0x9a, 0xcf, 0xe4, 0x59, 0x7a, 0xa1, 0xea, 0x31, 0x37, 0x13, 0x2d, 0xaf, + 0x21, 0x69, 0x19, 0x1d, 0x6f, 0x16, 0x98, 0x1e, 0x08, 0xe3, 0xb2, 0x4d, 0x9b, 0x7f, 0xa9, 0x77, + 0xed, 0xbd, 0xd4, 0xd9, 0x34, 0xd3, 0xca, 0x09, 0x18, 0x60, 0xc9, 0x6a, 0x01, 0xf4, 0xf6, 0x64, + 0xb4, 0x3a, 0x15, 0xac, 0x89, 0x52, 0x68, 0x71, 0xe7, 0x82, 0xc1, 0x0c, 0x92, 0xf7, 0x30, 0xe6, + 0x1c, 0x3e, 0x0f, 0x0a, 0x67, 0x35, 0xba, 0x61, 0xdd, 0x29, 0xc2, 0xf8, 0x97, 0x95, 0xb7, 0x3b, + 0xe0, 0xce, 0xf9, 0xd5, 0x06, 0x76, 0xb3, 0x05, 0x4c, 0x04, 0x84, 0x3c, 0x87, 0x23, 0x63, 0x7c, + 0x53, 0x56, 0xe1, 0x7d, 0x96, 0x1b, 0xd1, 0xec, 0x2a, 0x66, 0xf1, 0x11, 0x10, 0xff, 0x43, 0x2e, + 0xdf, 0x83, 0x74, 0xf5, 0x38, 0x20, 0xfd, 0xad, 0xc4, 0xb9, 0x55, 0x51, 0xb0, 0xef, 0x00, 0x57, +}; + + +static const uint8_t kof2000_address_16_23_xor2[256] = +{ + 0x00, 0xb8, 0xf0, 0x34, 0xca, 0x21, 0x3c, 0xf9, 0x01, 0x8e, 0x75, 0x70, 0xec, 0x13, 0x27, 0x96, + 0xf4, 0x5b, 0x88, 0x1f, 0xeb, 0x4a, 0x7d, 0x9d, 0xbe, 0x02, 0x14, 0xaf, 0xa2, 0x06, 0xc6, 0xdb, + 0x35, 0x6b, 0x74, 0x45, 0x7b, 0x29, 0xd2, 0xfe, 0xb6, 0x15, 0xd0, 0x8a, 0xa9, 0x2d, 0x19, 0xf6, + 0x5e, 0x5a, 0x90, 0xe9, 0x11, 0x33, 0xc2, 0x47, 0x37, 0x4c, 0x4f, 0x59, 0xc3, 0x04, 0x57, 0x1d, + 0xf2, 0x63, 0x6d, 0x6e, 0x31, 0x95, 0xcb, 0x3e, 0x67, 0xb2, 0xe3, 0x98, 0xed, 0x8d, 0xe6, 0xfb, + 0xf8, 0xba, 0x5d, 0xd4, 0x2a, 0xf5, 0x3b, 0x82, 0x05, 0x16, 0x44, 0xef, 0x4d, 0xe7, 0x93, 0xda, + 0x9f, 0xbb, 0x61, 0xc9, 0x53, 0xbd, 0x76, 0x78, 0x52, 0x36, 0x0c, 0x66, 0xc1, 0x10, 0xdd, 0x7a, + 0x84, 0x69, 0xcd, 0xfd, 0x58, 0x0d, 0x6c, 0x89, 0x68, 0xad, 0x3a, 0xb0, 0x4b, 0x46, 0xc5, 0x03, + 0xb4, 0xf7, 0x30, 0x8c, 0x4e, 0x60, 0x73, 0xa1, 0x8b, 0xb1, 0x62, 0xcc, 0xd1, 0x08, 0xfc, 0x77, + 0x7e, 0xcf, 0x56, 0x51, 0x07, 0xa6, 0x80, 0x92, 0xdc, 0x0b, 0xa4, 0xc7, 0xe8, 0xe1, 0xb5, 0x71, + 0xea, 0xb3, 0x2f, 0x94, 0x18, 0xe2, 0x3d, 0x49, 0x65, 0xaa, 0xf1, 0x91, 0xc8, 0x99, 0x55, 0x79, + 0x86, 0xa7, 0x26, 0xa0, 0xac, 0x5f, 0xce, 0x6a, 0x5c, 0xf3, 0x87, 0x8f, 0x12, 0x1c, 0xd8, 0xe4, + 0x9b, 0x64, 0x2e, 0x1e, 0xd7, 0xc0, 0x17, 0xbc, 0xa3, 0xa8, 0x9a, 0x0e, 0x25, 0x40, 0x41, 0x50, + 0xb9, 0xbf, 0x28, 0xdf, 0x32, 0x54, 0x9e, 0x48, 0xd5, 0x2b, 0x42, 0xfa, 0x9c, 0x7f, 0xd3, 0x85, + 0x43, 0xde, 0x81, 0x0f, 0x24, 0xc4, 0x38, 0xae, 0x83, 0x1b, 0x6f, 0x7c, 0xe5, 0xff, 0x1a, 0xd9, + 0x3f, 0xb7, 0x22, 0x97, 0x09, 0xe0, 0xa5, 0x20, 0x23, 0x2c, 0x72, 0xd6, 0x39, 0xab, 0x0a, 0xee, +}; + + +static const uint8_t kof2000_address_0_7_xor[256] = +{ + 0x26, 0x48, 0x06, 0x9b, 0x21, 0xa9, 0x1b, 0x76, 0xc9, 0xf8, 0xb4, 0x67, 0xe4, 0xff, 0x99, 0xf7, + 0x15, 0x9e, 0x62, 0x00, 0x72, 0x4d, 0xa0, 0x4f, 0x02, 0xf1, 0xea, 0xef, 0x0b, 0xf3, 0xeb, 0xa6, + 0x93, 0x78, 0x6f, 0x7c, 0xda, 0xd4, 0x7b, 0x05, 0xe9, 0xc6, 0xd6, 0xdb, 0x50, 0xce, 0xd2, 0x01, + 0xb5, 0xe8, 0xe0, 0x2a, 0x08, 0x1a, 0xb8, 0xe3, 0xf9, 0xb1, 0xf4, 0x8b, 0x39, 0x2d, 0x85, 0x9c, + 0x55, 0x73, 0x63, 0x40, 0x38, 0x96, 0xdc, 0xa3, 0xa2, 0xa1, 0x25, 0x66, 0x6d, 0x56, 0x8e, 0x10, + 0x0f, 0x31, 0x1c, 0xf5, 0x28, 0x77, 0x0a, 0xd1, 0x75, 0x34, 0xa4, 0xfe, 0x7d, 0x07, 0x51, 0x79, + 0x41, 0x90, 0x22, 0x35, 0x12, 0xbb, 0xc4, 0xca, 0xb2, 0x1f, 0xcb, 0xc8, 0xac, 0xdd, 0xd0, 0x0d, + 0xfc, 0xc5, 0x9d, 0x14, 0xbc, 0x83, 0xd9, 0x58, 0xc2, 0x30, 0x9a, 0x6a, 0xc0, 0x0c, 0xad, 0xf6, + 0x5d, 0x74, 0x7f, 0x2f, 0xbd, 0x1d, 0x47, 0xd5, 0xe6, 0x89, 0xcf, 0xb7, 0xd3, 0x59, 0x36, 0x98, + 0xf0, 0xfb, 0x3c, 0xf2, 0x3f, 0xa7, 0x18, 0x82, 0x42, 0x5c, 0xab, 0xba, 0xde, 0x52, 0x09, 0x91, + 0xaa, 0x61, 0xec, 0xd7, 0x95, 0x23, 0xcd, 0x80, 0xa5, 0x68, 0x60, 0x27, 0x71, 0xe1, 0x2c, 0x2e, + 0x8d, 0x2b, 0x57, 0x65, 0xbf, 0xc1, 0x19, 0xc7, 0x49, 0x64, 0x88, 0x4a, 0xcc, 0x20, 0x4e, 0xd8, + 0x3b, 0x4c, 0x13, 0x5f, 0x9f, 0xbe, 0x5e, 0x6e, 0xfd, 0xe2, 0xfa, 0x54, 0x37, 0x0e, 0x16, 0x7a, + 0x6c, 0x33, 0xb3, 0x70, 0x84, 0x7e, 0xc3, 0x04, 0xb0, 0xae, 0xb9, 0x81, 0x03, 0x29, 0xdf, 0x46, + 0xe5, 0x69, 0xe7, 0x24, 0x92, 0x5a, 0x4b, 0x5b, 0x94, 0x11, 0x3a, 0x3d, 0x87, 0xed, 0x97, 0xb6, + 0x32, 0x3e, 0x45, 0xaf, 0x1e, 0x43, 0x44, 0x8c, 0x53, 0x86, 0x6b, 0xee, 0xa8, 0x8a, 0x8f, 0x17, +}; + + + +void cmc_prot_device::decrypt(uint8_t *r0, uint8_t *r1, + uint8_t c0, uint8_t c1, + const uint8_t *table0hi, + const uint8_t *table0lo, + const uint8_t *table1, + int base, + int invert) +{ + uint8_t tmp,xor0,xor1; + + tmp = table1[(base & 0xff) ^ address_0_7_xor[(base >> 8) & 0xff]]; + xor0 = (table0hi[(base >> 8) & 0xff] & 0xfe) | (tmp & 0x01); + xor1 = (tmp & 0xfe) | (table0lo[(base >> 8) & 0xff] & 0x01); + + if (invert) + { + *r0 = c1 ^ xor0; + *r1 = c0 ^ xor1; + } + else + { + *r0 = c0 ^ xor0; + *r1 = c1 ^ xor1; + } +} + + +void cmc_prot_device::neogeo_gfx_decrypt(uint8_t* rom, uint32_t rom_size, int extra_xor) +{ + int rpos; + + + std::vector<uint8_t> buf(rom_size); + + // Data xor + for (rpos = 0;rpos < rom_size/4;rpos++) + { + decrypt(&buf[4*rpos+0], &buf[4*rpos+3], rom[4*rpos+0], rom[4*rpos+3], type0_t03, type0_t12, type1_t03, rpos, (rpos>>8) & 1); + decrypt(&buf[4*rpos+1], &buf[4*rpos+2], rom[4*rpos+1], rom[4*rpos+2], type0_t12, type0_t03, type1_t12, rpos, ((rpos>>16) ^ address_16_23_xor2[(rpos>>8) & 0xff]) & 1); + } + + // Address xor + for (rpos = 0;rpos < rom_size/4;rpos++) + { + int baser; + + baser = rpos; + + baser ^= extra_xor; + + baser ^= address_8_15_xor1[(baser >> 16) & 0xff] << 8; + baser ^= address_8_15_xor2[baser & 0xff] << 8; + baser ^= address_16_23_xor1[baser & 0xff] << 16; + baser ^= address_16_23_xor2[(baser >> 8) & 0xff] << 16; + baser ^= address_0_7_xor[(baser >> 8) & 0xff]; + + + if (rom_size == 0x3000000) /* special handling for preisle2 */ + { + if (rpos < 0x2000000/4) + baser &= (0x2000000/4)-1; + else + baser = 0x2000000/4 + (baser & ((0x1000000/4)-1)); + } + else if (rom_size == 0x6000000) /* special handling for kf2k3pcb */ + { + if (rpos < 0x4000000/4) + baser &= (0x4000000/4)-1; + else + baser = 0x4000000/4 + (baser & ((0x1000000/4)-1)); + } + else /* Clamp to the real rom size */ + baser &= (rom_size/4)-1; + + rom[4*rpos+0] = buf[4*baser+0]; + rom[4*rpos+1] = buf[4*baser+1]; + rom[4*rpos+2] = buf[4*baser+2]; + rom[4*rpos+3] = buf[4*baser+3]; + } +} + + +/* the S data comes from the end of the C data */ +void cmc_prot_device::neogeo_sfix_decrypt(uint8_t* rom, uint32_t rom_size, uint8_t* fixed, uint32_t fixed_size) +{ + int i; + int tx_size = fixed_size; + uint8_t *src = rom+rom_size-tx_size; + uint8_t *dst = fixed; + + for (i = 0;i < tx_size;i++) + dst[i] = src[(i & ~0x1f) + ((i & 7) << 2) + ((~i & 8) >> 2) + ((i & 0x10) >> 4)]; +} + + +/* CMC42 protection chip */ +void cmc_prot_device::kof99_neogeo_gfx_decrypt(uint8_t* rom, uint32_t rom_size, uint8_t* fixed, uint32_t fixed_size, int extra_xor) +{ + type0_t03 = kof99_type0_t03; + type0_t12 = kof99_type0_t12; + type1_t03 = kof99_type1_t03; + type1_t12 = kof99_type1_t12; + address_8_15_xor1 = kof99_address_8_15_xor1; + address_8_15_xor2 = kof99_address_8_15_xor2; + address_16_23_xor1 = kof99_address_16_23_xor1; + address_16_23_xor2 = kof99_address_16_23_xor2; + address_0_7_xor = kof99_address_0_7_xor; + neogeo_gfx_decrypt(rom, rom_size, extra_xor); + neogeo_sfix_decrypt(rom, rom_size, fixed, fixed_size); +} + + +/* CMC50 protection chip */ +void cmc_prot_device::kof2000_neogeo_gfx_decrypt(uint8_t* rom, uint32_t rom_size, uint8_t* fixed, uint32_t fixed_size, int extra_xor) +{ + type0_t03 = kof2000_type0_t03; + type0_t12 = kof2000_type0_t12; + type1_t03 = kof2000_type1_t03; + type1_t12 = kof2000_type1_t12; + address_8_15_xor1 = kof2000_address_8_15_xor1; + address_8_15_xor2 = kof2000_address_8_15_xor2; + address_16_23_xor1 = kof2000_address_16_23_xor1; + address_16_23_xor2 = kof2000_address_16_23_xor2; + address_0_7_xor = kof2000_address_0_7_xor; + neogeo_gfx_decrypt(rom, rom_size, extra_xor); + neogeo_sfix_decrypt(rom, rom_size, fixed, fixed_size); +} + + +/* CMC42 protection chip */ +void cmc_prot_device::cmc42_neogeo_gfx_decrypt(uint8_t* rom, uint32_t rom_size, uint8_t* fixed, uint32_t fixed_size, int extra_xor) +{ + type0_t03 = kof99_type0_t03; + type0_t12 = kof99_type0_t12; + type1_t03 = kof99_type1_t03; + type1_t12 = kof99_type1_t12; + address_8_15_xor1 = kof99_address_8_15_xor1; + address_8_15_xor2 = kof99_address_8_15_xor2; + address_16_23_xor1 = kof99_address_16_23_xor1; + address_16_23_xor2 = kof99_address_16_23_xor2; + address_0_7_xor = kof99_address_0_7_xor; + neogeo_gfx_decrypt(rom, rom_size, extra_xor); +} + + +/* CMC50 protection chip */ +void cmc_prot_device::cmc50_neogeo_gfx_decrypt(uint8_t* rom, uint32_t rom_size, uint8_t* fixed, uint32_t fixed_size, int extra_xor) +{ + type0_t03 = kof2000_type0_t03; + type0_t12 = kof2000_type0_t12; + type1_t03 = kof2000_type1_t03; + type1_t12 = kof2000_type1_t12; + address_8_15_xor1 = kof2000_address_8_15_xor1; + address_8_15_xor2 = kof2000_address_8_15_xor2; + address_16_23_xor1 = kof2000_address_16_23_xor1; + address_16_23_xor2 = kof2000_address_16_23_xor2; + address_0_7_xor = kof2000_address_0_7_xor; + neogeo_gfx_decrypt(rom, rom_size, extra_xor); +} + + + +/*************************************************************************** + +NeoGeo 'M' ROM encryption + CMC50 protection chip + +***************************************************************************/ + + +static const uint8_t m1_address_8_15_xor[256] = +{ + 0x0a, 0x72, 0xb7, 0xaf, 0x67, 0xde, 0x1d, 0xb1, 0x78, 0xc4, 0x4f, 0xb5, 0x4b, 0x18, 0x76, 0xdd, + 0x11, 0xe2, 0x36, 0xa1, 0x82, 0x03, 0x98, 0xa0, 0x10, 0x5f, 0x3f, 0xd6, 0x1f, 0x90, 0x6a, 0x0b, + 0x70, 0xe0, 0x64, 0xcb, 0x9f, 0x38, 0x8b, 0x53, 0x04, 0xca, 0xf8, 0xd0, 0x07, 0x68, 0x56, 0x32, + 0xae, 0x1c, 0x2e, 0x48, 0x63, 0x92, 0x9a, 0x9c, 0x44, 0x85, 0x41, 0x40, 0x09, 0xc0, 0xc8, 0xbf, + 0xea, 0xbb, 0xf7, 0x2d, 0x99, 0x21, 0xf6, 0xba, 0x15, 0xce, 0xab, 0xb0, 0x2a, 0x60, 0xbc, 0xf1, + 0xf0, 0x9e, 0xd5, 0x97, 0xd8, 0x4e, 0x14, 0x9d, 0x42, 0x4d, 0x2c, 0x5c, 0x2b, 0xa6, 0xe1, 0xa7, + 0xef, 0x25, 0x33, 0x7a, 0xeb, 0xe7, 0x1b, 0x6d, 0x4c, 0x52, 0x26, 0x62, 0xb6, 0x35, 0xbe, 0x80, + 0x01, 0xbd, 0xfd, 0x37, 0xf9, 0x47, 0x55, 0x71, 0xb4, 0xf2, 0xff, 0x27, 0xfa, 0x23, 0xc9, 0x83, + 0x17, 0x39, 0x13, 0x0d, 0xc7, 0x86, 0x16, 0xec, 0x49, 0x6f, 0xfe, 0x34, 0x05, 0x8f, 0x00, 0xe6, + 0xa4, 0xda, 0x7b, 0xc1, 0xf3, 0xf4, 0xd9, 0x75, 0x28, 0x66, 0x87, 0xa8, 0x45, 0x6c, 0x20, 0xe9, + 0x77, 0x93, 0x7e, 0x3c, 0x1e, 0x74, 0xf5, 0x8c, 0x3e, 0x94, 0xd4, 0xc2, 0x5a, 0x06, 0x0e, 0xe8, + 0x3d, 0xa9, 0xb2, 0xe3, 0xe4, 0x22, 0xcf, 0x24, 0x8e, 0x6b, 0x8a, 0x8d, 0x84, 0x4a, 0xd2, 0x91, + 0x88, 0x79, 0x57, 0xa5, 0x0f, 0xcd, 0xb9, 0xac, 0x3b, 0xaa, 0xb3, 0xd1, 0xee, 0x31, 0x81, 0x7c, + 0xd7, 0x89, 0xd3, 0x96, 0x43, 0xc5, 0xc6, 0xc3, 0x69, 0x7f, 0x46, 0xdf, 0x30, 0x5b, 0x6e, 0xe5, + 0x08, 0x95, 0x9b, 0xfb, 0xb8, 0x58, 0x0c, 0x61, 0x50, 0x5d, 0x3a, 0xa2, 0x29, 0x12, 0xfc, 0x51, + 0x7d, 0x1a, 0x02, 0x65, 0x54, 0x5e, 0x19, 0xcc, 0xdc, 0xdb, 0x73, 0xed, 0xad, 0x59, 0x2f, 0xa3, +}; + +static const uint8_t m1_address_0_7_xor[256] = +{ + 0xf4, 0xbc, 0x02, 0xf7, 0x2c, 0x3d, 0xe8, 0xd9, 0x50, 0x62, 0xec, 0xbd, 0x53, 0x73, 0x79, 0x61, + 0x00, 0x34, 0xcf, 0xa2, 0x63, 0x28, 0x90, 0xaf, 0x44, 0x3b, 0xc5, 0x8d, 0x3a, 0x46, 0x07, 0x70, + 0x66, 0xbe, 0xd8, 0x8b, 0xe9, 0xa0, 0x4b, 0x98, 0xdc, 0xdf, 0xe2, 0x16, 0x74, 0xf1, 0x37, 0xf5, + 0xb7, 0x21, 0x81, 0x01, 0x1c, 0x1b, 0x94, 0x36, 0x09, 0xa1, 0x4a, 0x91, 0x30, 0x92, 0x9b, 0x9a, + 0x29, 0xb1, 0x38, 0x4d, 0x55, 0xf2, 0x56, 0x18, 0x24, 0x47, 0x9d, 0x3f, 0x80, 0x1f, 0x22, 0xa4, + 0x11, 0x54, 0x84, 0x0d, 0x25, 0x48, 0xee, 0xc6, 0x59, 0x15, 0x03, 0x7a, 0xfd, 0x6c, 0xc3, 0x33, + 0x5b, 0xc4, 0x7b, 0x5a, 0x05, 0x7f, 0xa6, 0x40, 0xa9, 0x5d, 0x41, 0x8a, 0x96, 0x52, 0xd3, 0xf0, + 0xab, 0x72, 0x10, 0x88, 0x6f, 0x95, 0x7c, 0xa8, 0xcd, 0x9c, 0x5f, 0x32, 0xae, 0x85, 0x39, 0xac, + 0xe5, 0xd7, 0xfb, 0xd4, 0x08, 0x23, 0x19, 0x65, 0x6b, 0xa7, 0x93, 0xbb, 0x2b, 0xbf, 0xb8, 0x35, + 0xd0, 0x06, 0x26, 0x68, 0x3e, 0xdd, 0xb9, 0x69, 0x2a, 0xb2, 0xde, 0x87, 0x45, 0x58, 0xff, 0x3c, + 0x9e, 0x7d, 0xda, 0xed, 0x49, 0x8c, 0x14, 0x8e, 0x75, 0x2f, 0xe0, 0x6e, 0x78, 0x6d, 0x20, 0xd2, + 0xfa, 0x2d, 0x51, 0xcc, 0xc7, 0xe7, 0x1d, 0x27, 0x97, 0xfc, 0x31, 0xdb, 0xf8, 0x42, 0xe3, 0x99, + 0x5e, 0x83, 0x0e, 0xb4, 0x2e, 0xf6, 0xc0, 0x0c, 0x4c, 0x57, 0xb6, 0x64, 0x0a, 0x17, 0xa3, 0xc1, + 0x77, 0x12, 0xfe, 0xe6, 0x8f, 0x13, 0x71, 0xe4, 0xf9, 0xad, 0x9f, 0xce, 0xd5, 0x89, 0x7e, 0x0f, + 0xc2, 0x86, 0xf3, 0x67, 0xba, 0x60, 0x43, 0xc9, 0x04, 0xb3, 0xb0, 0x1e, 0xb5, 0xc8, 0xeb, 0xa5, + 0x76, 0xea, 0x5c, 0x82, 0x1a, 0x4f, 0xaa, 0xca, 0xe1, 0x0b, 0x4e, 0xcb, 0x6a, 0xef, 0xd1, 0xd6, +}; + + +/* The CMC50 hardware does a checksum of the first 64kb of the M1 rom, + ,and uses this checksum as the basis of the key with which to decrypt + the rom */ + +uint16_t cmc_prot_device::generate_cs16(uint8_t *rom, int size) +{ + uint16_t cs16; + int i; + cs16 = 0x0000; + for (i=0;i<size;i++ ) + { + cs16 += rom[i]; + } + return cs16&0xFFFF; +} + + +int cmc_prot_device::m1_address_scramble(int address, uint16_t key) +{ + int block; + int aux; + + const int p1[8][16] = { + {15,14,10,7,1,2,3,8,0,12,11,13,6,9,5,4}, + {7,1,8,11,15,9,2,3,5,13,4,14,10,0,6,12}, + {8,6,14,3,10,7,15,1,4,0,2,5,13,11,12,9}, + {2,8,15,9,3,4,11,7,13,6,0,10,1,12,14,5}, + {1,13,6,15,14,3,8,10,9,4,7,12,5,2,0,11}, + {11,15,3,4,7,0,9,2,6,14,12,1,8,5,10,13}, + {10,5,13,8,6,15,1,14,11,9,3,0,12,7,4,2}, + {9,3,7,0,2,12,4,11,14,10,5,8,15,13,1,6}, + }; + + block = (address>>16)&7; + aux = address&0xffff; + + aux ^= BITSWAP16(key,12,0,2,4,8,15,7,13,10,1,3,6,11,9,14,5); + aux = BITSWAP16(aux, + p1[block][15],p1[block][14],p1[block][13],p1[block][12], + p1[block][11],p1[block][10],p1[block][9],p1[block][8], + p1[block][7],p1[block][6],p1[block][5],p1[block][4], + p1[block][3],p1[block][2],p1[block][1],p1[block][0]); + aux ^= m1_address_0_7_xor[(aux>>8)&0xff]; + aux ^= m1_address_8_15_xor[aux&0xff]<<8; + aux = BITSWAP16(aux, 7,15,14,6,5,13,12,4,11,3,10,2,9,1,8,0); + + return (block<<16)|aux; +} + + +void cmc_prot_device::neogeo_cmc50_m1_decrypt(uint8_t* romcrypt, uint32_t romcrypt_size, uint8_t* romaudio, uint32_t romaudio_size) +{ + uint8_t* rom = romcrypt; + size_t rom_size = 0x80000; + uint8_t* rom2 = romaudio; + + std::vector<uint8_t> buffer(rom_size); + + uint32_t i; + + uint16_t key=generate_cs16(rom,0x10000); + + //printf("key %04x\n",key); + + for (i=0; i<rom_size; i++) + { + buffer[i] = rom[m1_address_scramble(i,key)]; + } + + memcpy(rom,&buffer[0],rom_size); + + memcpy(rom2,rom,0x10000); + memcpy(rom2+0x10000,rom,0x80000); + + #if 0 + { + FILE *fp; + const char *gamename = machine().system().name; + char filename[256]; + sprintf(filename, "%s_m1.dump", gamename); + + fp=fopen(filename, "w+b"); + if (fp) + { + fwrite(rom, rom_size, 1, fp); + fclose(fp); + } + } + #endif + + + #if 0 + { + FILE *fp; + const char *gamename = machine().system().name; + char filename[256]; + sprintf(filename, "%s_m1extra.dump", gamename); + + fp=fopen(filename, "w+b"); + if (fp) + { + fwrite(&rom[0xf800], 0x800, 1, fp); + fclose(fp); + } + } + #endif +} |