109 lines
2.4 KiB
C
109 lines
2.4 KiB
C
/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2005 CaH4e3
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include "mapinc.h"
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static uint8 *DummyCHR = NULL;
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static uint8 datareg;
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static void (*Sync)(void);
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static SFORMAT StateRegs[] =
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{
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{ &datareg, 1, "DREG" },
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{ 0 }
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};
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/* on off
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1 0x0F, 0xF0 - Bird Week
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2 0x33, 0x00 - B-Wings
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3 0x11, 0x00 - Mighty Bomb Jack
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4 0x22, 0x20 - Sansuu 1 Nen, Sansuu 2 Nen
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5 0xFF, 0x00 - Sansuu 3 Nen
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6 0x21, 0x13 - Spy vs Spy
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7 0x20, 0x21 - Seicross
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*/
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static void Sync185(void) {
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/* little dirty eh? ;_) */
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if ((datareg & 3) && (datareg != 0x13)) /* 1, 2, 3, 4, 5, 6 */
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setchr8(0);
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else
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setchr8r(0x10, 0);
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}
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static void Sync181(void) {
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if (!(datareg & 1)) /* 7 */
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setchr8(0);
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else
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setchr8r(0x10, 0);
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}
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static DECLFW(MWrite) {
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datareg = V;
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Sync();
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}
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static void MPower(void) {
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datareg = 0;
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Sync();
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setprg16(0x8000, 0);
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setprg16(0xC000, ~0);
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SetWriteHandler(0x8000, 0xFFFF, MWrite);
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SetReadHandler(0x8000, 0xFFFF, CartBR);
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}
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static void MClose(void) {
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if (DummyCHR)
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FCEU_gfree(DummyCHR);
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DummyCHR = NULL;
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}
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static void MRestore(int version) {
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Sync();
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}
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void Mapper185_Init(CartInfo *info) {
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int x;
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Sync = Sync185;
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info->Power = MPower;
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info->Close = MClose;
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GameStateRestore = MRestore;
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DummyCHR = (uint8*)FCEU_gmalloc(8192);
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for (x = 0; x < 8192; x++)
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DummyCHR[x] = 0xff;
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SetupCartCHRMapping(0x10, DummyCHR, 8192, 0);
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AddExState(StateRegs, ~0, 0, 0);
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}
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void Mapper181_Init(CartInfo *info) {
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int x;
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Sync = Sync181;
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info->Power = MPower;
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info->Close = MClose;
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GameStateRestore = MRestore;
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DummyCHR = (uint8*)FCEU_gmalloc(8192);
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for (x = 0; x < 8192; x++)
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DummyCHR[x] = 0xff;
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SetupCartCHRMapping(0x10, DummyCHR, 8192, 0);
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AddExState(StateRegs, ~0, 0, 0);
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}
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