1 /* FCE Ultra - NES/Famicom Emulator
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3 * Copyright notice for this file:
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4 * Copyright (C) 2009 CaH4e3
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6 * This program is free software; you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation; either version 2 of the License, or
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9 * (at your option) any later version.
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11 * This program is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program; if not, write to the Free Software
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18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 * DIS23C01 DAOU ROM CONTROLLER, Korea
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22 * Buzz and Waldog (K)
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29 static uint8 chrlo[8], chrhi[8], prg, mirr, mirrisused = 0;
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30 static uint8 *WRAM=NULL;
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31 static uint32 WRAMSIZE;
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33 static SFORMAT StateRegs[]=
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42 static void Sync(void)
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46 setchr1(i<<10, chrlo[i]|(chrhi[i] << 8));
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47 setprg8r(0x10,0x6000,0);
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48 setprg16(0x8000,prg);
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49 setprg16(0xC000,~0);
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51 setmirror(mirr ^ 1);
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56 static DECLFW(M156Write)
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62 case 0xC003: chrlo[A&3] = V; Sync(); break;
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66 case 0xC007: chrhi[A&3] = V; Sync(); break;
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70 case 0xC00B: chrlo[4+(A&3)] = V; Sync(); break;
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74 case 0xC00F: chrhi[4+(A&3)] = V; Sync(); break;
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75 case 0xC010: prg = V; Sync(); break;
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76 case 0xC014: mirr = V; mirrisused = 1; Sync(); break;
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80 static void M156Power(void)
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83 SetReadHandler(0x6000,0xFFFF,CartBR);
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84 SetWriteHandler(0x6000,0x7FFF,CartBW);
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85 SetWriteHandler(0xC000,0xCFFF,M156Write);
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88 static void M156Close(void)
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95 static void StateRestore(int version)
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100 void Mapper156_Init(CartInfo *info)
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102 info->Power=M156Power;
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103 info->Close=M156Close;
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106 WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);
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107 SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1);
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108 AddExState(WRAM, WRAMSIZE, 0, "WRAM");
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110 GameStateRestore=StateRestore;
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111 AddExState(&StateRegs, ~0, 0, 0);
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