1 /* FCE Ultra - NES/Famicom Emulator
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3 * Copyright notice for this file:
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4 * Copyright (C) 2007 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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26 static uint8 reg, IRQa;
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27 static int32 IRQCount;
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28 static uint8 *WRAM=NULL;
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29 static uint32 WRAMSIZE;
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31 static SFORMAT StateRegs[]=
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35 {&IRQCount, 4, "IRQC"},
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39 static void Sync(void)
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42 setprg8(0x6000,reg);
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43 setprg8(0x8000,0xc);
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44 setprg4(0xa000,(0xd<<1));
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45 setprg2(0xb000,(0xd<<2)+2);
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46 setprg2r(0x10,0xb800,4);
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47 setprg2r(0x10,0xc000,5);
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48 setprg2r(0x10,0xc800,6);
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49 setprg2r(0x10,0xd000,7);
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50 setprg2(0xd800,(0xe<<2)+3);
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51 setprg8(0xe000,0xf);
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54 static DECLFW(LH53RamWrite)
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56 WRAM[(A-0xB800)&0x1FFF]=V;
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59 static DECLFW(LH53Write)
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65 static DECLFW(LH53IRQaWrite)
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70 X6502_IRQEnd(FCEU_IQEXT);
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73 static void FP_FASTAPASS(1) LH53IRQ(int a)
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79 X6502_IRQBegin(FCEU_IQEXT);
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83 static void LH53Power(void)
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86 SetReadHandler(0x6000,0xFFFF,CartBR);
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87 SetWriteHandler(0xB800,0xD7FF,LH53RamWrite);
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88 SetWriteHandler(0xE000,0xEFFF,LH53IRQaWrite);
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89 SetWriteHandler(0xF000,0xFFFF,LH53Write);
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92 static void LH53Close(void)
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99 static void StateRestore(int version)
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104 void LH53_Init(CartInfo *info)
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106 info->Power=LH53Power;
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107 info->Close=LH53Close;
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108 MapIRQHook=LH53IRQ;
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109 GameStateRestore=StateRestore;
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112 WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);
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113 SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1);
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114 AddExState(WRAM, WRAMSIZE, 0, "WRAM");
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116 AddExState(&StateRegs, ~0, 0, 0);
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