new UNIF mappers for chinese dumps

src/boards/bs4xxxr.cpp

@@ -0,0 +1,164 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2020 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
+ *
+ * Double Dragon 310000-in-1 (4040R)
+ * 700000-in-1 (BS-400R)(Unl)
+ */
+
+#include "mapinc.h"
+#include "mmc3.h"
+
+static uint8 pointer;
+static uint8 offset;
+static uint8 *WRAM = NULL;
+static uint32 WRAMSIZE;
+
+static int getPRGBankBS4XXXR(int bank)
+{
+	if (((~bank) & 1) && (pointer & 0x40))
+		bank ^= 2;
+	return (bank & 2) ? (0xFE | (bank & 1)) : EXPREGS[4 | (bank & 1)];
+}
+
+static void BS4XXXRPW(uint32 A, uint8 V) {
+
+	if ((EXPREGS[3] >> 4) & 0x01)
+	{
+		int AND = ((EXPREGS[0] >> 1) & 1) ? 0x0F : 0x0F;
+		int OR = (EXPREGS[0] & 7) << 4;
+		int bank0 = getPRGBankBS4XXXR(0);
+		int bank1 = getPRGBankBS4XXXR(1);
+		if (!((EXPREGS[3] >> 1) & 1)) //16K Mode
+		{
+			setprg8(0x8000, ((bank0) & AND) | OR);
+			setprg8(0xA000, ((bank1) & AND) | OR);
+			setprg8(0xC000, ((bank0) & AND) | OR);
+			setprg8(0xE000, ((bank1) & AND) | OR);
+		}
+		else // 32K Mode
+		{
+			setprg8(0x8000, ((bank0) & AND) | OR);
+			setprg8(0xA000, ((bank1) & AND) | OR);
+			setprg8(0xC000, ((bank0 | 2) & AND) | OR);
+			setprg8(0xE000, ((bank1 | 2) & AND) | OR);
+		}
+	}
+	else // MMC3 Mode
+	{	
+		int prgAND = ((EXPREGS[0] >> offset) & 1) ? 0x0F : 0x1F;
+		int prgOR = (EXPREGS[0] & 7) << 4;
+		setprg8(A, (V & prgAND) | (prgOR));
+	}
+	setprg8r(0x10, 0x6000, 0);
+}
+
+static void BS4XXXRCW(uint32 A, uint8 V) {
+	if ((EXPREGS[3] >> 4) & 1)
+	{
+		int AND = ((EXPREGS[0] >> 1) & 1) ? 0x0F : 0x0F;
+		int bank = EXPREGS[2] & AND;
+		int chrOR = ((EXPREGS[0] >> 3) & 7) << 4;
+		setchr8((bank) | (chrOR));
+	}
+	else
+	{
+		int chrAND = ((EXPREGS[0] >> 1) & 1) ? 0xFF : 0xFF;
+		int chrOR = ((EXPREGS[0] >> 3) & 7) << 7;
+		setchr1(A, (V & chrAND) | (chrOR));
+	}
+}
+
+static DECLFW(BS4XXXRHiWrite) {
+//	FCEU_printf("w: %04x-%02x\n",A,V)
+	if (A==0x8000)
+	{
+		pointer = MMC3_cmd ^ V;
+	}
+	else if (A == 0x8001)
+	{
+		if((MMC3_cmd & 7) > 5)
+			EXPREGS[4|(MMC3_cmd & 1)] = V;
+	}
+	MMC3_CMDWrite(A, V);
+}
+
+static DECLFW(BS4XXXRLoWrite) {
+//	FCEU_printf("w: %04x-%02x\n", A, V);
+	if (A & 0x800)
+	{
+		if (!(EXPREGS[3] & 0x80)) {
+			EXPREGS[A & 0x03] = V;
+			FixMMC3PRG(MMC3_cmd);
+			FixMMC3CHR(MMC3_cmd);
+		}
+		else if (EXPREGS[3] & 0x10)
+		{
+			EXPREGS[A & 0x03] = V;
+			FixMMC3PRG(MMC3_cmd);
+			FixMMC3CHR(MMC3_cmd);
+		}
+		else
+			WRAM[A - 0x6000] = V;
+	}
+	else
+		WRAM[A - 0x6000] = V;
+}
+
+
+static void BSXXXXRPower(void) {
+	EXPREGS[0] = EXPREGS[1] = EXPREGS[2] = EXPREGS[3] = EXPREGS[4] = EXPREGS[5] = 0;
+	GenMMC3Power();
+	SetReadHandler(0x6000, 0x7FFF, CartBR);
+	SetWriteHandler(0x6000, 0x7FFF, BS4XXXRLoWrite);
+	SetWriteHandler(0x8000, 0x9FFF, BS4XXXRHiWrite);
+	FixMMC3PRG(MMC3_cmd);
+	FixMMC3CHR(MMC3_cmd);
+}
+
+static void BS4XXXRClose(void) {
+	if (WRAM)
+		FCEU_gfree(WRAM);
+	WRAM = NULL;
+}
+
+void BSXXXXR_Init(CartInfo *info) {
+	GenMMC3_Init(info, 512, 256, 8, 0);
+	cwrap = BS4XXXRCW;
+	pwrap = BS4XXXRPW;
+
+	info->Power = BSXXXXRPower;
+	info->Close = BS4XXXRClose;
+
+	WRAMSIZE = 8192;
+	WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
+	SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
+	AddExState(WRAM, WRAMSIZE, 0, "WRAM");
+
+	AddExState(EXPREGS, 8, 0, "EXPR");
+}
+
+void BS400R_Init(CartInfo *info) {
+	offset = 1;
+	BSXXXXR_Init(info);
+}
+
+void BS4040R_Init(CartInfo *info) {
+	offset = 6;
+	BSXXXXR_Init(info);
+}

src/unif.cpp

@@ -473,6 +473,8 @@ static BMAPPING bmap[] = {
 	{ "HPxx", BMCHPxx_Init, 0 },
 	{ "MINDKIDS", MINDKIDS_Init, BMCFLAG_256KCHRR },
 	{ "FNS", FNS_Init, BMCFLAG_16KCHRR },
+	{ "BS-400R", BS400R_Init, 0 },
+	{ "BS-4040R", BS4040R_Init, 0 },
 
 	{ 0, 0, 0 }
 };
@@ -537,7 +539,7 @@ static int InitializeBoard(void) {
 					CHRRAMSize = 256;
 				else
 					CHRRAMSize = 8;
-					CHRRAMSize <<= 10;
+				CHRRAMSize <<= 10;
 				if ((UNIFchrrama = (uint8*)FCEU_malloc(CHRRAMSize))) {
 					SetupCartCHRMapping(0, UNIFchrrama, CHRRAMSize, 1);
 					AddExState(UNIFchrrama, CHRRAMSize, 0, "CHRR");

src/unif.h

@@ -160,6 +160,8 @@ void BMC80013B_Init(CartInfo *info);
 void BMCHPxx_Init(CartInfo *info);
 void MINDKIDS_Init(CartInfo *info);
 void FNS_Init(CartInfo *info);
+void BS400R_Init(CartInfo *info);
+void BS4040R_Init(CartInfo *info);
 
 extern uint8 *UNIFchrrama;	// Meh.  So I can stop CHR RAM
 							// bank switcherooing with certain boards...

vc/vc14_fceux.vcxproj

@@ -454,6 +454,7 @@
     <ClCompile Include="..\src\boards\ac-08.cpp" />
     <ClCompile Include="..\src\boards\bb.cpp" />
     <ClCompile Include="..\src\boards\BMW8544.cpp" />
+    <ClCompile Include="..\src\boards\bs4xxxr.cpp" />
     <ClCompile Include="..\src\boards\cheapocabra.cpp" />
     <ClCompile Include="..\src\boards\cityfighter.cpp" />
     <ClCompile Include="..\src\boards\coolboy.cpp" />

vc/vc14_fceux.vcxproj.filters

@@ -1108,6 +1108,9 @@
     <ClCompile Include="..\src\input\lcdcompzapper.cpp">
       <Filter>input</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\boards\bs4xxxr.cpp">
+      <Filter>boards</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\src\drivers\common\args.h">