X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=boards%2Ffk23c.c;fp=boards%2Ffk23c.c;h=c869680ee33e77da7ba5ab13eb8c4f87710575b3;hp=abf085983169a8b6f3eb936f519d1e0fa97b211f;hb=386f5371eb984fb9c2860c83e740890a75cd45c1;hpb=eec2623f6183dd0f9494b99065a16bf90f2a1ccf

diff --git a/boards/fk23c.c b/boards/fk23c.c
index abf0859..c869680 100644
--- a/boards/fk23c.c
+++ b/boards/fk23c.c
@@ -1,112 +1,290 @@
-/* FCE Ultra - NES/Famicom Emulator
- *
- * Copyright notice for this file:
- *  Copyright (C) 2005 CaH4e3
- *
- * 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
- */
-
-#include "mapinc.h"
-#include "mmc3.h"
-
-static uint8 unromchr;
-
-static void BMCFK23CCW(uint32 A, uint8 V)
-{
-  if(EXPREGS[0]&0x40)
-    setchr8((EXPREGS[2]&0xFC)|unromchr);
-  else
-  {
-    uint16 base=(EXPREGS[2]&0x7F)<<3;
-    setchr1(A,V|base);
-    if(EXPREGS[3]&2)
-    {
-      setchr1(0x0400,EXPREGS[6]|base);
-      setchr1(0x0C00,EXPREGS[7]|base);
-    }
-  }
-}
-
-static void BMCFK23CPW(uint32 A, uint8 V)
-{
-  if(EXPREGS[0]&4)
-    setprg32(0x8000,EXPREGS[1]>>1);
-  else
-  { 
-    if(EXPREGS[0]&2)
-      setprg8(A,(V&(0x3F>>(EXPREGS[0]&3)))|(EXPREGS[1]<<1));
-    else
-      setprg8(A,V);
-    if(EXPREGS[3]&2)
-    {
-      setprg8(0xC000,EXPREGS[4]);
-      setprg8(0xE000,EXPREGS[5]);
-    }
-  }
-}
-
-static DECLFW(BMCFK23C8003Write)
-{
-  if(EXPREGS[0]&0x40)
-  {
-    unromchr=V&3;
-    FixMMC3CHR(MMC3_cmd);
-  }
-  else
-  {
-    if((A==0x8001)&&(EXPREGS[3]&2&&MMC3_cmd&8))
-    {
-      EXPREGS[4|(MMC3_cmd&3)]=V;
-      FixMMC3PRG(MMC3_cmd);
-      FixMMC3CHR(MMC3_cmd);
-    }
-    else    
-      MMC3_CMDWrite(A,V);
-  }
-}
-
-static DECLFW(BMCFK23CWrite)
-{
-  EXPREGS[A&3]=V;
-  FixMMC3PRG(MMC3_cmd);
-  FixMMC3CHR(MMC3_cmd);
-}
-
-static void BMCFK23CReset(void)
-{
-  EXPREGS[0]=EXPREGS[1]=EXPREGS[2]=EXPREGS[3]=0;
-  EXPREGS[4]=EXPREGS[5]=EXPREGS[6]=EXPREGS[7]=0xFF;
-  MMC3RegReset();
-}
-
-static void BMCFK23CPower(void)
-{
-  EXPREGS[0]=EXPREGS[1]=EXPREGS[2]=EXPREGS[3]=0;
-  EXPREGS[4]=EXPREGS[5]=EXPREGS[6]=EXPREGS[7]=0xFF;
-  GenMMC3Power();
-  SetWriteHandler(0x5ff0,0x5fff,BMCFK23CWrite);
-  SetWriteHandler(0x8000,0x8003,BMCFK23C8003Write);
-}
-
-void BMCFK23C_Init(CartInfo *info)
-{
-  GenMMC3_Init(info, 512, 256, 8, 0);
-  cwrap=BMCFK23CCW;
-  pwrap=BMCFK23CPW;
-  info->Power=BMCFK23CPower;
-  info->Reset=BMCFK23CReset;
-  AddExState(EXPREGS, 8, 0, "EXPR");
-  AddExState(&unromchr, 1, 0, "UNCHR");
-}
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2006 CaH4e3
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "mapinc.h"
+#include "mmc3.h"
+#include "../ines.h"
+
+static bool is_BMCFK23CA;
+static uint8 unromchr;
+static uint32 dipswitch;
+static uint8 *CHRRAM=NULL;
+static uint32 CHRRAMSize;
+
+static void BMCFK23CCW(uint32 A, uint8 V)
+{
+  if(EXPREGS[0]&0x40)
+    setchr8(EXPREGS[2]|unromchr);
+  else if(EXPREGS[0]&0x20) {
+    setchr1r(0x10, A, V);
+  }
+  else
+  {
+    uint16 base=(EXPREGS[2]&0x7F)<<3;
+    if(EXPREGS[3]&2)
+    {
+      int cbase=(MMC3_cmd&0x80)<<5;
+      setchr1(A,V|base);
+      setchr1(0x0000^cbase,DRegBuf[0]|base);
+      setchr1(0x0400^cbase,EXPREGS[6]|base);
+      setchr1(0x0800^cbase,DRegBuf[1]|base);
+      setchr1(0x0c00^cbase,EXPREGS[7]|base);
+    }
+    else
+      setchr1(A,V|base);
+  }
+}
+
+//some games are wired differently, and this will need to be changed.
+//all the WXN games require prg_bonus = 1, and cah4e3's multicarts require prg_bonus = 0
+//we'll populate this from a game database
+static int prg_bonus;
+static int prg_mask;
+
+//prg_bonus = 0
+//4-in-1 (FK23C8021)[p1][!].nes
+//4-in-1 (FK23C8033)[p1][!].nes
+//4-in-1 (FK23C8043)[p1][!].nes
+//4-in-1 (FK23Cxxxx, S-0210A PCB)[p1][!].nes
+
+//prg_bonus = 1
+//[m176]大富翁2-上海大亨.wxn.nes
+//[m176]宠物翡翠.fix.nes
+//[m176]格兰帝亚.wxn.nes
+//[m176]梦幻之星.wxn.nes
+//[m176]水浒神兽.fix.nes
+//[m176]西楚霸王.fix.nes
+//[m176]超级大富翁.wxn.nes
+//[m176]雄霸天下.wxn.nes
+
+//works as-is under virtuanes m176
+//[m176]三侠五义.wxn.nes
+//[m176]口袋金.fix.nes
+//[m176]爆笑三国.fix.nes
+
+//needs other tweaks
+//[m176]三国忠烈传.wxn.nes
+//[m176]破釜沉舟.fix.nes
+
+//PRG wrapper
+static void BMCFK23CPW(uint32 A, uint8 V)
+{
+  uint32 bank = (EXPREGS[1] & 0x1F);
+  uint32 hiblock = ((EXPREGS[0] & 8) << 4)|((EXPREGS[0] & 0x80) << 1)|(UNIFchrrama?((EXPREGS[2] & 0x40)<<3):0);
+  uint32 block = (EXPREGS[1] & 0x60) | hiblock;
+  uint32 extra = (EXPREGS[3] & 2);
+
+  if((EXPREGS[0]&7)==4)
+    setprg32(0x8000,EXPREGS[1]>>1);
+  else if ((EXPREGS[0]&7)==3)
+  {
+    setprg16(0x8000,EXPREGS[1]);
+    setprg16(0xC000,EXPREGS[1]);
+  }  
+  else
+  { 
+    if(EXPREGS[0]&3)
+		{
+			uint32 blocksize = (6)-(EXPREGS[0]&3);
+			uint32 mask = (1<<blocksize)-1;
+			V &= mask;
+			//V &= 63; //? is this a good idea?
+			V |= (EXPREGS[1]<<1);
+      setprg8(A,V);
+		}
+    else
+      setprg8(A,V & prg_mask);
+
+    if(EXPREGS[3]&2)
+    {
+      setprg8(0xC000,EXPREGS[4]);
+      setprg8(0xE000,EXPREGS[5]);
+    }
+  }
+	setprg8r(0x10,0x6000,A001B&3);
+}
+
+//PRG handler ($8000-$FFFF)
+static DECLFW(BMCFK23CHiWrite)
+{
+	if(EXPREGS[0]&0x40)
+	{
+		if(EXPREGS[0]&0x30)
+			unromchr=0;
+		else
+		{
+			unromchr=V&3;
+			FixMMC3CHR(MMC3_cmd);
+		}
+	}
+	else
+	{
+		if((A==0x8001)&&(EXPREGS[3]&2&&MMC3_cmd&8))
+		{
+			EXPREGS[4|(MMC3_cmd&3)]=V;
+			FixMMC3PRG(MMC3_cmd);
+			FixMMC3CHR(MMC3_cmd);
+		}
+    else
+      if(A<0xC000) {
+        if(UNIFchrrama) { // hacky... strange behaviour, must be bit scramble due to pcb layot restrictions
+                          // check if it not interfer with other dumps
+          if((A==0x8000)&&(V==0x46))
+            V=0x47;
+          else if((A==0x8000)&&(V==0x47))
+            V=0x46;
+        }
+        MMC3_CMDWrite(A,V);
+        FixMMC3PRG(MMC3_cmd);
+      }
+      else
+        MMC3_IRQWrite(A,V);
+  }
+}
+
+//EXP handler ($5000-$5FFF)
+static DECLFW(BMCFK23CWrite)
+{
+  if(A&(1<<(dipswitch+4)))
+  {
+		//printf("+ ");
+    EXPREGS[A&3]=V;
+
+		bool remap = false;
+
+		//sometimes writing to reg0 causes remappings to occur. we think the 2 signifies this. 
+		//if not, 0x24 is a value that is known to work
+		//however, the low 4 bits are known to control the mapping mode, so 0x20 is more likely to be the immediate remap flag
+		remap |= ((EXPREGS[0]&0xF0)==0x20); 
+
+		//this is an actual mapping reg. i think reg0 controls what happens when reg1 is written. anyway, we have to immediately remap these
+		remap |= (A&3)==1; 
+		//this too.
+		remap |= (A&3)==2; 
+
+		if(remap)
+		{
+			FixMMC3PRG(MMC3_cmd);
+			FixMMC3CHR(MMC3_cmd);
+		}
+  }
+
+	if(is_BMCFK23CA)
+	{
+		if(EXPREGS[3]&2)
+			EXPREGS[0] &= ~7;   // hacky hacky! if someone wants extra banking, then for sure doesn't want mode 4 for it! (allow to run A version boards on normal mapper)
+	}
+
+	//printf("%04X = $%02X\n",A,V);
+	//printf("%02X %02X %02X %02X\n",EXPREGS[0],EXPREGS[1],EXPREGS[2],EXPREGS[3]);
+}
+
+static void BMCFK23CReset(void)
+{
+	//NOT NECESSARY ANYMORE
+	//this little hack makes sure that we try all the dip switch settings eventually, if we reset enough
+	// dipswitch++;
+	// dipswitch&=7;
+	//printf("BMCFK23C dipswitch set to %d\n",dipswitch);
+
+  EXPREGS[0]=EXPREGS[1]=EXPREGS[2]=EXPREGS[3]=0;
+  EXPREGS[4]=EXPREGS[5]=EXPREGS[6]=EXPREGS[7]=0xFF;
+  MMC3RegReset();
+  FixMMC3PRG(MMC3_cmd);
+  FixMMC3CHR(MMC3_cmd);
+}
+
+static void BMCFK23CPower(void)
+{
+	dipswitch = 0;
+  GenMMC3Power();
+  EXPREGS[0]=EXPREGS[1]=EXPREGS[2]=EXPREGS[3]=0;
+  EXPREGS[4]=EXPREGS[5]=EXPREGS[6]=EXPREGS[7]=0xFF;
+  GenMMC3Power();
+  SetWriteHandler(0x5000,0x5fff,BMCFK23CWrite);
+  SetWriteHandler(0x8000,0xFFFF,BMCFK23CHiWrite);
+  FixMMC3PRG(MMC3_cmd);
+  FixMMC3CHR(MMC3_cmd);
+}
+
+static void BMCFK23CAPower(void)
+{
+  GenMMC3Power();
+  dipswitch = 0;
+  EXPREGS[0]=EXPREGS[1]=EXPREGS[2]=EXPREGS[3]=0;
+  EXPREGS[4]=EXPREGS[5]=EXPREGS[6]=EXPREGS[7]=0xFF;
+  SetWriteHandler(0x5000,0x5fff,BMCFK23CWrite);
+  SetWriteHandler(0x8000,0xFFFF,BMCFK23CHiWrite);
+  FixMMC3PRG(MMC3_cmd);
+  FixMMC3CHR(MMC3_cmd);
+}
+
+static void BMCFK23CAClose(void)
+{
+  if(CHRRAM)
+    FCEU_gfree(CHRRAM);
+  CHRRAM=NULL;
+}
+
+void BMCFK23C_Init(CartInfo *info)
+{
+	is_BMCFK23CA = false;
+
+  GenMMC3_Init(info, 512, 256, 8, 0);
+  cwrap=BMCFK23CCW;
+  pwrap=BMCFK23CPW;
+  info->Power=BMCFK23CPower;
+  info->Reset=BMCFK23CReset;
+  AddExState(EXPREGS, 8, 0, "EXPR");
+  AddExState(&unromchr, 1, 0, "UNCHR");
+  AddExState(&dipswitch, 1, 0, "DIPSW");
+
+	prg_bonus = 1;
+	if(MasterRomInfoParams.find("bonus") != MasterRomInfoParams.end())
+		prg_bonus = atoi(MasterRomInfoParams["bonus"].c_str());
+
+	prg_mask = 0x7F>>(prg_bonus);
+}
+
+void BMCFK23CA_Init(CartInfo *info)
+{
+	is_BMCFK23CA = true;
+
+  GenMMC3_Init(info, 512, 256, 8, 0);
+  cwrap=BMCFK23CCW;
+  pwrap=BMCFK23CPW;
+  info->Power=BMCFK23CAPower;
+  info->Reset=BMCFK23CReset;
+  info->Close=BMCFK23CAClose;
+
+	CHRRAMSize=8192;
+  CHRRAM=(uint8*)FCEU_gmalloc(CHRRAMSize);
+  SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSize, 1);
+  AddExState(CHRRAM, CHRRAMSize, 0, "CRAM");
+
+  AddExState(EXPREGS, 8, 0, "EXPR");
+  AddExState(&unromchr, 1, 0, "UNCHR");
+  AddExState(&dipswitch, 1, 0, "DIPSW");
+
+	prg_bonus = 1;
+	if(MasterRomInfoParams.find("bonus") != MasterRomInfoParams.end())
+		prg_bonus = atoi(MasterRomInfoParams["bonus"].c_str());
+	prg_mask = 0x7F>>(prg_bonus);
+}