merge mappers from FCEU-mm

[fceu.git] / boards / h2288.c

diff --git a/boards/h2288.c b/boards/h2288.c
index c8ad1e0..a3b5a0b 100644 (file)
--- a/boards/h2288.c
+++ b/boards/h2288.c
@@ -1,99 +1,80 @@
-/* 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();break;
-  case 0x8001:regs[cmd&7]=V;
-             if((cmd&7)==4 || (cmd&7)==5)
-              DoPRG();
-             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 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(0x8000,0x9FFF,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