Add preliminary Puzzli2 protection simulation and remove patches. Also remove some comments.
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iq_132
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@ -4,38 +4,6 @@
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#include "pgm.h"
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/*
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IGS PolyGame Master game IDs
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ID# Year Game
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01 1997 Oriental Legend
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02 1997 Dragon World 2
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03 1998 The Killing Blade
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04 1998 Dragon World 3
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05 1999 Oriental Legend Super
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06 1999 Knights of Valour / Knights of Valour Plus / Knights of Valour Superheroes
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07 1999 Photo Y2k
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08 1999 Puzzle Star
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09 2001 Puzzli 2 Super
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10 2001 Martial Masters
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11 2001 Photo Y2k2
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12 2000 Knights of Valour 2 / Knights of Valour 2 Plus
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13 2001 DoDonPachi 2 - Bee Storm
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14? 2001 Dragon World 2001
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44 2002 DoDonPachi Dai-Ou-Jou / DoDonPachi Dai-Ou-Jou Black Label
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45 2002 Demon Front
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46 2003 The Gladiator
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47 2002 Ketsui Kizuna Jigoku Tachi
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48 2003 Espgaluda
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52? 2004 Happy 6in1
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53 2004 Oriental Legend Special Plus
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54 2004 Knights of Valour Super Heroes Plus
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56 2005 S.V.G. - Spectral vs Generation
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57 2005 The Killing Blade Plus
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*/
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static struct BurnRomInfo emptyRomDesc[] = {
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{ "", 0, 0, 0 },
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};
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@ -1669,27 +1637,10 @@ static struct BurnRomInfo puzzli2RomDesc[] = {
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STDROMPICKEXT(puzzli2, puzzli2, pgm)
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STD_ROM_FN(puzzli2)
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static void puzzli2_decrypt()
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{
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pgm_decrypt_puzzli2();
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*((UINT16*)(PGM68KROM + 0x0268c0)) = BURN_ENDIAN_SWAP_INT16(0x4e71);
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*((UINT16*)(PGM68KROM + 0x0268c2)) = BURN_ENDIAN_SWAP_INT16(0x4e71);
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*((UINT16*)(PGM68KROM + 0x0268c4)) = BURN_ENDIAN_SWAP_INT16(0x4e71);
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*((UINT16*)(PGM68KROM + 0x03877a)) = BURN_ENDIAN_SWAP_INT16(0x4e71);
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*((UINT16*)(PGM68KROM + 0x04cee0)) = BURN_ENDIAN_SWAP_INT16(0x4e71);
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*((UINT16*)(PGM68KROM + 0x0548ec)) = BURN_ENDIAN_SWAP_INT16(0x4e71);
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*((UINT16*)(PGM68KROM + 0x0548fc)) = BURN_ENDIAN_SWAP_INT16(0x4e71);
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*((UINT16*)(PGM68KROM + 0x054948)) = BURN_ENDIAN_SWAP_INT16(0x4e71);
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*((UINT16*)(PGM68KROM + 0x05496A)) = BURN_ENDIAN_SWAP_INT16(0x4e71);
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*((UINT16*)(PGM68KROM + 0x0549FA)) = BURN_ENDIAN_SWAP_INT16(0x4e71);
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*((UINT16*)(PGM68KROM + 0x054A0A)) = BURN_ENDIAN_SWAP_INT16(0x4e71);
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}
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static INT32 puzzli2Init()
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{
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pPgmInitCallback = puzzli2_decrypt;
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pPgmProtCallback = install_protection_asic27_kov; // simulation
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pPgmInitCallback = pgm_decrypt_puzzli2;
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pPgmProtCallback = install_protection_asic27a_puzzli2; // simulation
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// pPgmProtCallback = install_protection_asic27a_kovsh;
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return pgmInit();
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@ -3254,6 +3205,7 @@ struct BurnDriverD BurnDrvkovlsqh2 = {
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448, 224, 4, 3
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};
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// Knights of Valour: Luan Shi Quan Huang 2 / Sangoku Senki: Luan Shi Quan Huang (ver. 200CN)
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static struct BurnRomInfo kovlsqhRomDesc[] = {
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@ -3548,4 +3500,3 @@ struct BurnDriver BurnDrvKovsgqyzb = {
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kovsgqyzInit, pgmExit, pgmFrame, pgmDraw, pgmScan, &nPgmPalRecalc, 0x600,
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448, 224, 4, 3
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};
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@ -74,6 +74,7 @@ void install_protection_asic27a_ddp2();
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void install_protection_asic27a_svg();
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void install_protection_asic27a_ketsui();
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void install_protection_asic27a_ddp3();
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void install_protection_asic27a_puzzli2();
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// pgm_crypt
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void pgm_decrypt_kov();
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@ -3,23 +3,6 @@
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#include "pgm.h"
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#include "bitswap.h"
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/*
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Some xor tables used to decrypt the program roms contain asci text
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IGS #### RD ? YR MO DAY - GAME
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IGS 0004 RD 1 02 10 15 - ketsui
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IGS 0005 RD 1 02 12 03 - theglad
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IGS 0007 RD 1 03 09 09 - espgaluda
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IGS 0008 RD 1 03 12 15 - happy6in1
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IGS 0009 rd 1 04 02 19 - kovshp
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IGS 0013 RD 1 04 07 27 - oldsplus
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IGS 0024 RD 1 05 09 08 - killbldp
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IGS 0055 RD 4 02 06 21 - Sheng Dan Wu Xian (non-PGM, but uses asic27A)
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The later games (ones that use ASIC27/ASIC27A) have ram-based xor tables. The
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internal ASIC program uploads the xor to the 0x50000000 - 0x500003ff region.
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*/
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void pgm_decrypt_dw2()
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{
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UINT16 *src = (UINT16 *)PGM68KROM;
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@ -2173,6 +2173,119 @@ void install_protection_asic27a_ddp3()
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}
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// preliminary
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static INT32 puzzli_54_trigger = 0;
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static void __fastcall puzzli2_asic_write(UINT32 offset, UINT16 data)
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{
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switch (offset & 0x06)
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{
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case 0: ddp3value = data; return;
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case 2:
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{
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if ((data >> 8) == 0xff) ddp3key = 0xffff;
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ddp3value ^= ddp3key;
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// bprintf (0, _T("ASIC Command: %2.2x, Value: %4.4x,\n"), (data ^ ddp3key) & 0xff, ddp3value);
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switch ((data ^ ddp3key) & 0xff)
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{
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case 0x13: // ASIC status?
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ddp3response = 0x74<<16; // 2d or 74! (based on?)
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break;
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case 0x31:
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{
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// how is this selected? command 54?
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// just a wild guess
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if (puzzli_54_trigger) {
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// pc == 1387de
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ddp3response = 0x63<<16; // ?
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} else {
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// pc == 14cf58
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ddp3response = 0xd2<<16;
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}
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puzzli_54_trigger = 0;
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}
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break;
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case 0x38: // Reset
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ddp3response = 0x78<<16;
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ddp3key = 0;
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puzzli_54_trigger = 0;
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break;
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case 0x41: // ASIC status?
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ddp3response = 0x74<<16;
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break;
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case 0x47: // ASIC status?
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ddp3response = 0x74<<16;
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break;
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case 0x52: // ASIC status?
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{
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// how is this selected?
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//if (ddp3value == 6) {
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ddp3response = (0x74<<16)|1; // |1?
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//} else {
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// ddp3response = 0x74<<16;
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//}
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}
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break;
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case 0x54: // ??
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puzzli_54_trigger = 1;
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ddp3response = 0x36<<16;
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break;
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case 0x61: // ??
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ddp3response = 0x36<<16;
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break;
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case 0x63: // probably read from a data table?
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ddp3response = 0; // wrong...
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break;
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case 0x67: // probably read from a data table?
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ddp3response = 0; // wrong...
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break;
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default:
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// bprintf (0, _T("ASIC Command %2.2x unknown!\n"), (data ^ ddp3key) & 0xff);
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ddp3response = 0x74<<16;
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break;
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}
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ddp3key = (ddp3key + 0x0100) & 0xff00;
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if (ddp3key == 0xff00) ddp3key = 0x0100;
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ddp3key |= ddp3key >> 8;
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}
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return;
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case 4: return;
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}
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}
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void install_protection_asic27a_puzzli2()
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{
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pPgmResetCallback = reset_ddp3;
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pPgmScanCallback = ddp3Scan;
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SekOpen(0);
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SekMapHandler(4, 0x500000, 0x500005, SM_READ | SM_WRITE);
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SekSetReadWordHandler(4, ddp3_asic_read);
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SekSetWriteWordHandler(4, puzzli2_asic_write);
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SekClose();
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}
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//-----------------------------------------------------------------------------------------------------
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// Save states
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