X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=boards%2Fdatalatch.c;h=cf486ae70e3f43c3fab6331ba46e7f3e247ca560;hp=217adb41b39b52215b51c476a54845be895ac599;hb=43725da7349c85fa13e828fdbf20cc7ac8d298d6;hpb=d97315ac0bca825d2d50a44453bc5652946e2c67

diff --git a/boards/datalatch.c b/boards/datalatch.c
index 217adb4..cf486ae 100644
--- a/boards/datalatch.c
+++ b/boards/datalatch.c
@@ -1,207 +1,503 @@
-/* FCE Ultra - NES/Famicom Emulator
- *
- * Copyright notice for this file:
- *  Copyright (C) 2002 Xodnizel
- *
- * 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"
-
-static uint8 latche;
-
-//------------------ CPROM ---------------------------
-
-static DECLFW(CPROMWrite)
-{
-  latche=V&3;
-  setchr4(0x1000,latche);
-}
-
-static void CPROMReset(void)
-{
-  setprg32(0x8000,0);
-  setchr8(0);
-  SetReadHandler(0x8000,0xFFFF,CartBR);
-  SetWriteHandler(0x8000,0xffff,CPROMWrite);
-}
-
-static void CPROMRestore(int version)
-{
-  setchr4(0x1000,latche);
-}
-
-void CPROM_Init(CartInfo *info)
-{
-  info->Power=CPROMReset;
-  GameStateRestore=CPROMRestore;
-  AddExState(&latche, 1, 0, "LATC");
-}
-
-//------------------ CNROM ---------------------------
-
-DECLFW(CNROMWrite)
-{
-  latche=V&3;
-  setchr8(latche);
-}
-
-static void CNROMReset(void)
-{
-  setprg16(0x8000,0);
-  setprg16(0xC000,1);
-  SetReadHandler(0x8000,0xFFFF,CartBR);
-  SetWriteHandler(0x8000,0xffff,CNROMWrite);
-}
-
-static void CNROMRestore(int version)
-{
-  setchr8(latche);
-}
-
-void CNROM_Init(CartInfo *info)
-{
-  info->Power=CNROMReset;
-  GameStateRestore=CNROMRestore;
-  AddExState(&latche, 1, 0, "LATC");
-}
-
-//------------------ NROM128 ---------------------------
-
-static void NROM128Reset(void)
-{
-  setprg16(0x8000,0);
-  setprg16(0xC000,0);
-  setchr8(0);
-  SetReadHandler(0x8000,0xFFFF,CartBR);
-}
-
-void NROM128_Init(CartInfo *info)
-{
-  info->Power=NROM128Reset;
-}
-
-//------------------ NROM256 ---------------------------
-
-static void NROM256Reset(void)
-{
-  setprg16(0x8000,0);
-  setprg16(0xC000,1);
-  setchr8(0);
-  SetReadHandler(0x8000,0xFFFF,CartBR);
-}
-
-void NROM256_Init(CartInfo *info)
-{
-  info->Power=NROM256Reset;
-}
-
-//------------------ MHROM ---------------------------
-
-static DECLFW(MHROMWrite)
-{
-  setprg32(0x8000,V>>4);
-  setchr8(V);
-  latche=V;
-}
-
-static void MHROMReset(void)
-{
-  setprg32(0x8000,0);
-  setchr8(0);
-  latche=0;
-  SetReadHandler(0x8000,0xFFFF,CartBR);
-}
-
-static void MHROMRestore(int version)
-{
-  setprg32(0x8000,latche);
-  setchr8(latche);
-  SetWriteHandler(0x8000,0xffff,MHROMWrite);
-}
-
-void MHROM_Init(CartInfo *info)
-{ 
-  info->Power=MHROMReset;
-  AddExState(&latche, 1, 0,"LATC");
-  PRGmask32[0]&=1;
-  CHRmask8[0]&=1;
-  GameStateRestore=MHROMRestore;
-}
-
-//------------------ UNROM ---------------------------
-
-static void UNROMRestore(int version)
-{
-  setprg16(0x8000,latche);
-}
-
-static DECLFW(UNROMWrite)
-{
-  setprg16(0x8000,V);
-  latche=V;
-}
-
-static void UNROMReset(void)
-{
-  setprg16(0x8000,0);
-  setprg16(0xc000,~0);
-  setchr8(0);
-  SetWriteHandler(0x8000,0xffff,UNROMWrite);
-  SetReadHandler(0x8000,0xFFFF,CartBR);
-  latche=0;
-}
-
-void UNROM_Init(CartInfo *info)
-{
-  info->Power=UNROMReset;
-  PRGmask16[0]&=7;
-  AddExState(&latche, 1, 0, "LATC");
-  GameStateRestore=UNROMRestore;
-}
-
-//------------------ GNROM ---------------------------
-
-static void GNROMSync()
-{
-  setchr8(latche&3);
-  setprg32(0x8000,(latche>>4)&3);
-}
-
-static DECLFW(GNROMWrite)
-{
-  latche=V&0x33;
-  GNROMSync();
-}
-
-static void GNROMStateRestore(int version)
-{
-  GNROMSync();
-}
-
-static void GNROMReset(void)
-{
-  latche=0;
-  GNROMSync();
-  SetWriteHandler(0x8000,0xffff,GNROMWrite);
-  SetReadHandler(0x8000,0xFFFF,CartBR);
-}
-
-void GNROM_Init(CartInfo *info)
-{
-  info->Power=GNROMReset;
-  AddExState(&latche, 1, 0, "LATC");
-  GameStateRestore=GNROMStateRestore;
-}
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2002 Xodnizel
+ *
+ * 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"
+
+static uint8 latche, latcheinit, bus_conflict;
+static uint16 addrreg0, addrreg1;
+static uint8 *WRAM=NULL;
+static uint32 WRAMSIZE;
+static void(*WSync)(void);
+
+static DECLFW(LatchWrite)
+{
+//  FCEU_printf("bs %04x %02x\n",A,V);
+  if(bus_conflict)
+    latche=V&CartBR(A);
+  else
+    latche=V;
+  WSync();
+}
+
+static void LatchPower(void)
+{
+  latche=latcheinit;
+  WSync();
+  SetReadHandler(0x6000,0xFFFF,CartBR);
+  SetWriteHandler(0x6000,0x7FFF,CartBW);
+  SetWriteHandler(addrreg0,addrreg1,LatchWrite);
+}
+
+static void LatchClose(void)
+{
+  if(WRAM)
+    FCEU_gfree(WRAM);
+  WRAM=NULL;
+}
+
+static void StateRestore(int version)
+{
+  WSync();
+}
+
+static void Latch_Init(CartInfo *info, void (*proc)(void), uint8 init, uint16 adr0, uint16 adr1, uint8 wram, uint8 busc)
+{
+  bus_conflict = busc;
+  latcheinit=init;
+  addrreg0=adr0;
+  addrreg1=adr1;
+  WSync=proc;
+  info->Power=LatchPower;
+  info->Close=LatchClose;
+  GameStateRestore=StateRestore;
+  if(wram)
+  {
+    WRAMSIZE=8192;
+    WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);
+    SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1);
+    if(info->battery)
+    {
+      info->SaveGame[0]=WRAM;
+      info->SaveGameLen[0]=WRAMSIZE;
+    }
+    AddExState(WRAM, WRAMSIZE, 0, "WRAM");
+  }
+  AddExState(&latche, 1, 0, "LATC");
+}
+
+//------------------ Map 0 ---------------------------
+
+#ifdef DEBUG_MAPPER
+static DECLFW(NROMWrite)
+{
+ FCEU_printf("bs %04x %02x\n",A,V);
+ CartBW(A,V);
+}
+#endif
+
+static void NROMPower(void)
+{
+  setprg8r(0x10,0x6000,0); // Famili BASIC (v3.0) need it (uses only 4KB), FP-BASIC uses 8KB
+  setprg16(0x8000,0);
+  setprg16(0xC000,~0);
+  setchr8(0);
+
+  SetReadHandler(0x6000,0x7FFF,CartBR);
+  SetWriteHandler(0x6000,0x7FFF,CartBW);
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+
+  #ifdef DEBUG_MAPPER
+  SetWriteHandler(0x4020,0xFFFF,NROMWrite);
+  #endif
+}
+
+void NROM_Init(CartInfo *info)
+{
+  info->Power=NROMPower;
+  info->Close=LatchClose;
+
+  WRAMSIZE=8192;
+  WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);
+  SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1);
+  if(info->battery)
+  {
+    info->SaveGame[0]=WRAM;
+    info->SaveGameLen[0]=WRAMSIZE;
+  }
+  AddExState(WRAM, WRAMSIZE, 0, "WRAM");
+}
+
+//------------------ Map 2 ---------------------------
+
+static void UNROMSync(void)
+{
+  static uint32 mirror_in_use = 0;
+  setprg16(0x8000,latche&7);
+  if(latche&8) mirror_in_use = 1;
+  if(mirror_in_use)
+    setmirror(((latche >> 3)&1)^1); // Higway Star Hacked mapper
+  setprg16(0xc000,~0);
+  setchr8(0);
+}
+
+void UNROM_Init(CartInfo *info)
+{
+  Latch_Init(info, UNROMSync, 0, 0x8000, 0xFFFF, 0, 1);
+}
+
+//------------------ Map 3 ---------------------------
+
+static void CNROMSync(void)
+{
+  setchr8(latche);
+  setprg32(0x8000,0);
+  setprg8r(0x10,0x6000,0); // Hayauchy IGO uses 2Kb or RAM
+}
+
+void CNROM_Init(CartInfo *info)
+{
+  Latch_Init(info, CNROMSync, 0, 0x8000, 0xFFFF, 1, 0);
+}
+
+//------------------ Map 7 ---------------------------
+
+static void ANROMSync()
+{
+  setprg32(0x8000,latche&0xf);
+  setmirror(MI_0+((latche>>4)&1));
+  setchr8(0);
+}
+
+void ANROM_Init(CartInfo *info)
+{
+  Latch_Init(info, ANROMSync, 0, 0x8000, 0xFFFF, 0, 0);
+}
+
+//------------------ Map 8 ---------------------------
+
+static void M8Sync()
+{
+  setprg16(0x8000,latche>>3);
+  setprg16(0xc000,1);
+  setchr8(latche&3);
+}
+
+void Mapper8_Init(CartInfo *info)
+{
+  Latch_Init(info, M8Sync, 0, 0x8000, 0xFFFF, 0, 0);
+}
+
+//------------------ Map 11 ---------------------------
+
+static void M11Sync(void)
+{
+  setprg32(0x8000,latche&0xf);
+  setchr8(latche>>4);
+}
+
+void Mapper11_Init(CartInfo *info)
+{
+  Latch_Init(info, M11Sync, 0, 0x8000, 0xFFFF, 0, 0);
+}
+
+void Mapper144_Init(CartInfo *info)
+{
+  Latch_Init(info, M11Sync, 0, 0x8001, 0xFFFF, 0, 0);
+}
+
+//------------------ Map 13 ---------------------------
+
+static void CPROMSync(void)
+{
+  setchr4(0x0000,0);
+  setchr4(0x1000,latche&3);
+  setprg32(0x8000,0);
+}
+
+void CPROM_Init(CartInfo *info)
+{
+  Latch_Init(info, CPROMSync, 0, 0x8000, 0xFFFF, 0, 0);
+}
+
+//------------------ Map 36 ---------------------------
+
+static void M36Sync(void)
+{
+  setprg32(0x8000,latche>>4);
+  setchr8((latche)&0xF);
+}
+
+void Mapper36_Init(CartInfo *info)
+{
+  Latch_Init(info, M36Sync, 0, 0x8400, 0xfffe, 0, 0);
+}
+
+//------------------ Map 38 ---------------------------
+
+static void M38Sync(void)
+{
+  setprg32(0x8000,latche&3);
+  setchr8(latche>>2);
+}
+
+void Mapper38_Init(CartInfo *info)
+{
+  Latch_Init(info, M38Sync, 0, 0x7000, 0x7FFF, 0, 0);
+}
+
+//------------------ Map 66 ---------------------------
+
+static void MHROMSync(void)
+{
+  setprg32(0x8000,latche>>4);
+  setchr8(latche&0xf);
+}
+
+void MHROM_Init(CartInfo *info)
+{
+  Latch_Init(info, MHROMSync, 0, 0x8000, 0xFFFF, 0, 0);
+}
+
+//------------------ Map 70 ---------------------------
+
+static void M70Sync()
+{
+  setprg16(0x8000,latche>>4);
+  setprg16(0xc000,~0);
+  setchr8(latche&0xf);
+}
+
+void Mapper70_Init(CartInfo *info)
+{
+  Latch_Init(info, M70Sync, 0, 0x8000, 0xFFFF, 0, 0);
+}
+
+//------------------ Map 78 ---------------------------
+/* Should be two separate emulation functions for this "mapper".  Sigh.  URGE TO KILL RISING. */
+static void M78Sync()
+{
+  setprg16(0x8000,(latche&7));
+  setprg16(0xc000,~0);
+  setchr8(latche>>4);
+  setmirror(MI_0+((latche>>3)&1));
+}
+
+void Mapper78_Init(CartInfo *info)
+{
+  Latch_Init(info, M78Sync, 0, 0x8000, 0xFFFF, 0, 0);
+}
+
+//------------------ Map 86 ---------------------------
+
+static void M86Sync(void)
+{
+  setprg32(0x8000,(latche >> 4) & 3);
+  setchr8((latche & 3) | ((latche >> 4) & 4));
+}
+
+void Mapper86_Init(CartInfo *info)
+{
+  Latch_Init(info, M86Sync, ~0, 0x6000, 0x6FFF, 0, 0);
+}
+
+//------------------ Map 87 ---------------------------
+
+static void M87Sync(void)
+{
+  setprg32(0x8000,0);
+  setchr8(((latche>>1)&1)|((latche<<1)&2));
+}
+
+void Mapper87_Init(CartInfo *info)
+{
+  Latch_Init(info, M87Sync, ~0, 0x6000, 0xFFFF, 0, 0);
+}
+
+//------------------ Map 89 ---------------------------
+
+static void M89Sync(void)
+{
+  setprg16(0x8000,(latche >> 4) & 7);
+  setprg16(0xc000, ~0);
+  setchr8((latche & 7) | ((latche >> 4) & 8));
+  setmirror(MI_0 + ((latche >> 3) & 1));
+}
+
+void Mapper89_Init(CartInfo *info)
+{
+  Latch_Init(info, M89Sync, 0, 0x8000, 0xFFFF, 0, 0);
+}
+
+//------------------ Map 93 ---------------------------
+
+static void SSUNROMSync(void)
+{
+  setprg16(0x8000,latche>>4);
+  setprg16(0xc000,~0);
+  setchr8(0);
+}
+
+void SUNSOFT_UNROM_Init(CartInfo *info)
+{
+  Latch_Init(info, SSUNROMSync, 0, 0x8000, 0xFFFF, 0, 0);
+}
+
+//------------------ Map 94 ---------------------------
+
+static void M94Sync(void)
+{
+  setprg16(0x8000,latche>>2);
+  setprg16(0xc000,~0);
+  setchr8(0);
+}
+
+void Mapper94_Init(CartInfo *info)
+{
+  Latch_Init(info, M94Sync, 0, 0x8000, 0xFFFF, 0, 0);
+}
+
+//------------------ Map 97 ---------------------------
+
+static void M97Sync(void)
+{
+  setchr8(0);
+  setprg16(0x8000,~0);
+  setprg16(0xc000,latche & 15);
+  switch(latche >> 6)
+  {
+    case 0: break;
+    case 1: setmirror(MI_H); break;
+    case 2: setmirror(MI_V); break;
+    case 3: break;
+  }
+  setchr8(((latche>>1)&1)|((latche<<1)&2));
+}
+
+void Mapper97_Init(CartInfo *info)
+{
+  Latch_Init(info, M97Sync, ~0, 0x8000, 0xFFFF, 0, 0);
+}
+
+//------------------ Map 101 ---------------------------
+
+static void M101Sync(void)
+{
+  setprg32(0x8000,0);
+  setchr8(latche);
+}
+
+void Mapper101_Init(CartInfo *info)
+{
+  Latch_Init(info, M101Sync, ~0, 0x6000, 0x7FFF, 0, 0);
+}
+
+//------------------ Map 107 ---------------------------
+
+static void M107Sync(void)
+{
+  setprg32(0x8000,(latche>>1)&3);
+  setchr8(latche&7);
+}
+
+void Mapper107_Init(CartInfo *info)
+{
+  Latch_Init(info, M107Sync, ~0, 0x8000, 0xFFFF, 0, 0);
+}
+
+//------------------ Map 113 ---------------------------
+
+static void M113Sync(void)
+{
+  setprg32(0x8000,(latche>>3)&7);
+  setchr8(((latche>>3)&8)|(latche&7));
+//  setmirror(latche>>7); // only for HES 6in1
+}
+
+void Mapper113_Init(CartInfo *info)
+{
+  Latch_Init(info, M113Sync, 0, 0x4100, 0x7FFF, 0, 0);
+}
+
+//------------------ Map 140 ---------------------------
+
+void Mapper140_Init(CartInfo *info)
+{
+  Latch_Init(info, MHROMSync, 0, 0x6000, 0x7FFF, 0, 0);
+}
+
+//------------------ Map 152 ---------------------------
+
+static void M152Sync()
+{
+  setprg16(0x8000,(latche>>4)&7);
+  setprg16(0xc000,~0);
+  setchr8(latche&0xf);
+  setmirror(MI_0+((latche>>7)&1));         /* Saint Seiya...hmm. */
+}
+
+void Mapper152_Init(CartInfo *info)
+{
+  Latch_Init(info, M152Sync, 0, 0x8000, 0xFFFF, 0, 0);
+}
+
+//------------------ Map 180 ---------------------------
+
+static void M180Sync(void)
+{
+  setprg16(0x8000,0);
+  setprg16(0xc000,latche);
+  setchr8(0);
+}
+
+void Mapper180_Init(CartInfo *info)
+{
+  Latch_Init(info, M180Sync, 0, 0x8000, 0xFFFF, 0, 0);
+}
+
+//------------------ Map 184 ---------------------------
+
+static void M184Sync(void)
+{
+  setchr4(0x0000,latche);
+  setchr4(0x1000,latche>>4);
+  setprg32(0x8000,0);
+}
+
+void Mapper184_Init(CartInfo *info)
+{
+  Latch_Init(info, M184Sync, 0, 0x6000, 0x7FFF, 0, 0);
+}
+
+//------------------ Map 240 ---------------------------
+
+void Mapper240_Init(CartInfo *info)
+{
+  Latch_Init(info, MHROMSync, 0, 0x4020, 0x5FFF, 0, 0);
+  // need SRAM.
+}
+
+//------------------ A65AS ---------------------------
+
+// actually, there is two cart in one... First have extra mirroring
+// mode (one screen) and 32K bankswitching, second one have only
+// 16 bankswitching mode and normal mirroring... But there is no any
+// correlations between modes and they can be used in one mapper code.
+
+static void BMCA65ASSync(void)
+{
+  if(latche&0x40)
+    setprg32(0x8000,(latche>>1)&0x0F);
+  else
+  {
+    setprg16(0x8000,((latche&0x30)>>1)|(latche&7));
+    setprg16(0xC000,((latche&0x30)>>1)|7);
+  }
+  setchr8(0);
+  if(latche&0x80)
+    setmirror(MI_0+(((latche>>5)&1)));
+  else
+    setmirror(((latche>>3)&1)^1);
+}
+
+void BMCA65AS_Init(CartInfo *info)
+{
+  Latch_Init(info, BMCA65ASSync, 0, 0x8000, 0xFFFF, 0, 0);
+}
+