+++ /dev/null
-/* FCE Ultra - NES/Famicom Emulator\r
- *\r
- * Copyright notice for this file:\r
- * Copyright (C) 2007 CaH4e3\r
- *\r
- * This program is free software; you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either version 2 of the License, or\r
- * (at your option) any later version.\r
- *\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with this program; if not, write to the Free Software\r
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\r
- */\r
-\r
-#include "mapinc.h"\r
-\r
-static uint8 reg[8], cmd, IRQa;\r
-static int32 IRQCount;\r
-\r
-static SFORMAT StateRegs[]=\r
-{\r
- {&cmd, 1, "CMD"},\r
- {reg, 8, "REGS"},\r
- {&IRQa, 1, "IRQA"},\r
- {&IRQCount, 4, "IRQC"},\r
- {0}\r
-};\r
-\r
-static void Sync(void)\r
-{\r
- setprg8(0x6000,reg[4]);\r
- setprg8(0x8000,reg[1]);\r
- setprg8(0xA000,reg[2]);\r
- setprg8(0xC000,reg[3]);\r
- setprg8(0xE000,~0);\r
- setchr8(0);\r
-}\r
-\r
-static DECLFW(UNLKS7032Write)\r
-{\r
-// FCEU_printf("bs %04x %02x\n",A,V);\r
- switch(A)\r
- {\r
-// case 0x8FFF: reg[4]=V; Sync(); break;\r
- case 0x8000: X6502_IRQEnd(FCEU_IQEXT); IRQCount=(IRQCount&0x000F)|(V&0x0F); break;\r
- case 0x9000: X6502_IRQEnd(FCEU_IQEXT); IRQCount=(IRQCount&0x00F0)|((V&0x0F)<<4); break;\r
- case 0xA000: X6502_IRQEnd(FCEU_IQEXT); IRQCount=(IRQCount&0x0F00)|((V&0x0F)<<8); break;\r
- case 0xB000: X6502_IRQEnd(FCEU_IQEXT); IRQCount=(IRQCount&0xF000)|(V<<12); break;\r
- case 0xC000: X6502_IRQEnd(FCEU_IQEXT); IRQa=1; break;\r
- case 0xE000: cmd=V&7; break;\r
- case 0xF000: reg[cmd]=V; Sync(); break;\r
- }\r
-}\r
-\r
-static void UNLSMB2JIRQHook(int a)\r
-{\r
- if(IRQa)\r
- {\r
- IRQCount+=a;\r
- if(IRQCount>=0xFFFF)\r
- {\r
- IRQa=0;\r
- IRQCount=0;\r
- X6502_IRQBegin(FCEU_IQEXT);\r
- }\r
- }\r
-}\r
-\r
-static void UNLKS7032Power(void)\r
-{\r
- Sync();\r
- SetReadHandler(0x6000,0x7FFF,CartBR);\r
- SetReadHandler(0x8000,0xFFFF,CartBR);\r
- SetWriteHandler(0x4020,0xFFFF,UNLKS7032Write);\r
-}\r
-\r
-static void StateRestore(int version)\r
-{\r
- Sync();\r
-}\r
-\r
-void UNLKS7032_Init(CartInfo *info)\r
-{\r
- info->Power=UNLKS7032Power;\r
- MapIRQHook=UNLSMB2JIRQHook;\r
- GameStateRestore=StateRestore;\r
- AddExState(&StateRegs, ~0, 0, 0);\r
-}\r