-/* FCE Ultra - NES/Famicom Emulator
- *
- * Copyright notice for this file:
- * Copyright (C) 2002 Ben Parnell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-/* Not finished. Darn evil game... *Mumble*... */
-
-#include "mapinc.h"
-
-static uint8 cmd;
-static uint8 regs[8];
-
-static void DoPRG(void)
-{
- if(cmd&0x40)
- {
- setprg8(0xC000,regs[4]);
- setprg8(0xA000,regs[5]);
- setprg8(0x8000,~1);
- setprg8(0xE000,~0);
- }
- else
- {
- setprg8(0x8000,regs[4]);
- setprg8(0xA000,regs[5]);
- setprg8(0xC000,~1);
- setprg8(0xE000,~0);
- }
-}
-
-static void DoCHR(void)
-{
- uint32 base=(cmd&0x80)<<5;
-
- setchr2(0x0000^base,regs[0]);
- setchr2(0x0800^base,regs[2]);
-
- setchr1(0x1000^base,regs[6]);
- setchr1(0x1400^base,regs[1]);
- setchr1(0x1800^base,regs[7]);
- setchr1(0x1c00^base,regs[3]);
-}
-
-static DECLFW(H2288Write)
-{
- //printf("$%04x:$%02x, $%04x\n",A,V,X.PC.W);
- //RAM[0x7FB]=0x60;
- switch(A&0xE001)
- {
- case 0xa000:setmirror((V&1)^1);break;
- case 0x8000:// DumpMem("out",0x0000,0xFFFF);
- cmd=V;DoPRG();DoCHR();
- X6502_Rebase();break;
- case 0x8001:regs[cmd&7]=V;
- if((cmd&7)==4 || (cmd&7)==5) {
- DoPRG();
- X6502_Rebase();
- } else
- DoCHR();
- break;
- }
-}
-
-static DECLFR(H2288Read)
-{
- //printf("Rd: $%04x, $%04x\n",A,X.PC.W);
- return((X.DB&0xFE)|(A&(A>>8)));
-}
-
-static void H2288Reset(void)
-{
- int x;
-
- SetReadHandler(0x5800,0x5FFF,H2288Read);
- SetReadHandler(0x8000,0xFFFF,CartBR);
- SetWriteHandler(0x8000,0xFFFF,H2288Write);
- for(x=0;x<8;x++) regs[x]=0;
- cmd=0;
- DoPRG();
- DoCHR();
-}
-
-void H2288_Init(void)
-{
- BoardPower=H2288Reset;
-}
+/* FCE Ultra - NES/Famicom Emulator\r
+ *\r
+ * Copyright notice for this file:\r
+ * Copyright (C) 2005 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
+ */\r
+\r
+#include "mapinc.h"\r
+#include "mmc3.h"\r
+\r
+extern uint8 m114_perm[8];\r
+\r
+static void H2288PW(uint32 A, uint8 V)\r
+{\r
+ if(EXPREGS[0]&0x40)\r
+ {\r
+ uint8 bank=(EXPREGS[0]&5)|((EXPREGS[0]&8)>>2)|((EXPREGS[0]&0x20)>>2);\r
+ if(EXPREGS[0]&2)\r
+ setprg32(0x8000,bank>>1);\r
+ else\r
+ {\r
+ setprg16(0x8000,bank);\r
+ setprg16(0xC000,bank);\r
+ }\r
+ }\r
+ else\r
+ setprg8(A,V&0x3F);\r
+}\r
+\r
+static DECLFW(H2288WriteHi)\r
+{\r
+ switch (A&0x8001)\r
+ {\r
+ case 0x8000: MMC3_CMDWrite(0x8000,(V&0xC0)|(m114_perm[V&7])); break;\r
+ case 0x8001: MMC3_CMDWrite(0x8001,V); break;\r
+ }\r
+}\r
+\r
+static DECLFW(H2288WriteLo)\r
+{\r
+ if(A&0x800)\r
+ {\r
+ if(A&1)\r
+ EXPREGS[1]=V;\r
+ else\r
+ EXPREGS[0]=V;\r
+ FixMMC3PRG(MMC3_cmd);\r
+ }\r
+}\r
+\r
+static DECLFR(H2288Read)\r
+{\r
+ int bit;\r
+ bit=(A&1)^1;\r
+ bit&=((A>>8)&1);\r
+ bit^=1;\r
+ return((X.DB&0xFE)|bit);\r
+}\r
+\r
+static void H2288Power(void)\r
+{\r
+ EXPREGS[0]=EXPREGS[1]=0;\r
+ GenMMC3Power();\r
+ SetReadHandler(0x5000,0x5FFF,H2288Read);\r
+ SetReadHandler(0x8000,0xFFFF,CartBR);\r
+ SetWriteHandler(0x5000,0x5FFF,H2288WriteLo);\r
+ SetWriteHandler(0x8000,0x8FFF,H2288WriteHi);\r
+}\r
+\r
+void UNLH2288_Init(CartInfo *info)\r
+{\r
+ GenMMC3_Init(info, 256, 256, 0, 0);\r
+ pwrap=H2288PW;\r
+ info->Power=H2288Power;\r
+ AddExState(EXPREGS, 2, 0, "EXPR");\r
+}\r