Added sound to fantzonep
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Barry Harris
parent
de9de82e07
commit
6a5be5da2a
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@ -2578,6 +2578,133 @@ static INT32 BodyslamInit()
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return System16Init();
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}
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static void SegaDecode2(const UINT8 xor_table[128],const int swap_table[128])
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{
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INT32 A;
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static const UINT8 swaptable[24][4] =
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{
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{ 6,4,2,0 }, { 4,6,2,0 }, { 2,4,6,0 }, { 0,4,2,6 },
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{ 6,2,4,0 }, { 6,0,2,4 }, { 6,4,0,2 }, { 2,6,4,0 },
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{ 4,2,6,0 }, { 4,6,0,2 }, { 6,0,4,2 }, { 0,6,4,2 },
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{ 4,0,6,2 }, { 0,4,6,2 }, { 6,2,0,4 }, { 2,6,0,4 },
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{ 0,6,2,4 }, { 2,0,6,4 }, { 0,2,6,4 }, { 4,2,0,6 },
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{ 2,4,0,6 }, { 4,0,2,6 }, { 2,0,4,6 }, { 0,2,4,6 },
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};
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UINT8 *rom = System16Z80Rom;
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UINT8 *decrypted = System16Z80Code;
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for (A = 0x0000;A < 0x8000;A++)
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{
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INT32 row;
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UINT8 src;
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const UINT8 *tbl;
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src = rom[A];
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/* pick the translation table from bits 0, 3, 6, 9, 12 and 14 of the address */
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row = (A & 1) + (((A >> 3) & 1) << 1) + (((A >> 6) & 1) << 2)
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+ (((A >> 9) & 1) << 3) + (((A >> 12) & 1) << 4) + (((A >> 14) & 1) << 5);
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/* decode the opcodes */
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tbl = swaptable[swap_table[2*row]];
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decrypted[A] = BITSWAP08(src,7,tbl[0],5,tbl[1],3,tbl[2],1,tbl[3]) ^ xor_table[2*row];
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/* decode the data */
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tbl = swaptable[swap_table[2*row+1]];
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rom[A] = BITSWAP08(src,7,tbl[0],5,tbl[1],3,tbl[2],1,tbl[3]) ^ xor_table[2*row+1];
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}
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}
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static INT32 FantzonepDecryptZ80()
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{
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System16Z80Code = (UINT8*)BurnMalloc(0x8000);
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static const UINT8 xor_table[128] =
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{
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0x04,0x54,0x51,0x15,0x40,0x44,0x01,0x51,0x55,0x10,0x44,0x41,
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0x05,0x55,0x50,0x14,0x41,0x45,0x00,0x50,0x54,0x11,0x45,0x40,
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0x04,0x54,0x51,0x15,0x40,0x44,0x01,0x51,0x55,0x10,0x44,0x41,
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0x05,0x55,0x50,0x14,0x41,0x45,0x00,0x50,0x54,0x11,0x45,0x40,
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0x04,0x54,0x51,0x15,0x40,0x44,0x01,0x51,0x55,0x10,0x44,0x41,
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0x05,0x55,0x50,0x14,
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0x04,0x54,0x51,0x15,0x40,0x44,0x01,0x51,0x55,0x10,0x44,0x41,
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0x05,0x55,0x50,0x14,0x41,0x45,0x00,0x50,0x54,0x11,0x45,0x40,
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0x04,0x54,0x51,0x15,0x40,0x44,0x01,0x51,0x55,0x10,0x44,0x41,
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0x05,0x55,0x50,0x14,0x41,0x45,0x00,0x50,0x54,0x11,0x45,0x40,
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0x04,0x54,0x51,0x15,0x40,0x44,0x01,0x51,0x55,0x10,0x44,0x41,
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0x05,0x55,0x50,0x14,
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};
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static const INT32 swap_table[128] =
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{
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0,0,0,0,
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1,1,1,1,1,
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2,2,2,2,2,
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3,3,3,3,
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4,4,4,4,4,
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5,5,5,5,5,
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6,6,6,6,6,
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7,7,7,7,7,
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8,8,8,8,
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9,9,9,9,9,
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10,10,10,10,10,
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11,11,11,11,11,
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12,12,12,12,12,
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13,13,
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8,8,8,8,
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9,9,9,9,9,
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10,10,10,10,10,
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11,11,11,11,
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12,12,12,12,12,
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13,13,13,13,13,
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14,14,14,14,14,
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15,15,15,15,15,
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16,16,16,16,
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17,17,17,17,17,
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18,18,18,18,18,
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19,19,19,19,19,
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20,20,20,20,20,
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21,21,
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};
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SegaDecode2(xor_table, swap_table);
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return 0;
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}
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static void FantzonepMapZ80()
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{
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ZetMapArea(0x0000, 0x7fff, 0, System16Z80Rom);
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ZetMapArea(0x0000, 0x7fff, 2, System16Z80Code, System16Z80Rom);
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ZetMapArea(0xf800, 0xffff, 0, System16Z80Ram);
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ZetMapArea(0xf800, 0xffff, 1, System16Z80Ram);
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ZetMapArea(0xf800, 0xffff, 2, System16Z80Ram);
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ZetMemEnd();
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ZetSetInHandler(System16PPIZ80PortRead);
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ZetSetOutHandler(System16Z80PortWrite);
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}
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static INT32 FantzonepInit()
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{
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System16CustomLoadRomDo = FantzonepDecryptZ80;
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System16MapZ80Do = FantzonepMapZ80;
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return System16Init();
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}
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static INT32 FantzonepExit()
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{
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BurnFree(System16Z80Code);
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return System16Exit();
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}
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static INT32 MjleagueInit()
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{
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System16MakeAnalogInputsDo = MjleagueMakeAnalogInputs;
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@ -2963,11 +3090,11 @@ struct BurnDriver BurnDrvFantzone1 = {
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struct BurnDriver BurnDrvFantzonep = {
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"fantzonep", "fantzone", NULL, NULL, "1986",
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"Fantasy Zone (317-5000)\0", "No sound - encrypted Z80", "Sega", "System 16A",
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"Fantasy Zone (317-5000)\0", NULL, "Sega", "System 16A",
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NULL, NULL, NULL, NULL,
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BDF_GAME_WORKING | BDF_CLONE, 2, HARDWARE_SEGA_SYSTEM16A, GBF_HORSHOOT, 0,
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NULL, FantzonepRomInfo, FantzonepRomName, NULL, NULL, System16aInputInfo, FantzoneDIPInfo,
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System16Init, System16Exit, System16AFrame, NULL, System16Scan,
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FantzonepInit, FantzonepExit, System16AFrame, NULL, System16Scan,
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NULL, 0x1800, 320, 224, 4, 3
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};
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