Add BMC-STREETFIGTER-GAME4IN1

src/boards/mmc3.c

@@ -599,6 +599,12 @@ void Mapper47_Init(CartInfo *info) {
 }
 
 /* ---------------------------- Mapper 49 ------------------------------- */
+/* -------------------- BMC-STREETFIGTER-GAME4IN1 ----------------------- */
+/* added 6-24-19:
+ * BMC-STREETFIGTER-GAME4IN1 - Sic. $6000 set to $41 rather than $00 on power-up.
+ */
+
+static uint8 isUNIF = 0;
 
 static void M49PW(uint32 A, uint8 V) {
 	if (EXPREGS[0] & 1) {
@@ -625,11 +631,12 @@ static DECLFW(M49Write) {
 }
 
 static void M49Reset(void) {
-	EXPREGS[0] = 0;
+	EXPREGS[0] = isUNIF ? 0x41 : 0;
 	MMC3RegReset();
 }
 
 static void M49Power(void) {
+	EXPREGS[0] = isUNIF ? 0x41 : 0;
 	M49Reset();
 	GenMMC3Power();
 	SetWriteHandler(0x6000, 0x7FFF, M49Write);
@@ -637,6 +644,7 @@ static void M49Power(void) {
 }
 
 void Mapper49_Init(CartInfo *info) {
+	isUNIF = 0;
 	GenMMC3_Init(info, 512, 256, 0, 0);
 	cwrap = M49CW;
 	pwrap = M49PW;
@@ -645,6 +653,16 @@ void Mapper49_Init(CartInfo *info) {
 	AddExState(EXPREGS, 1, 0, "EXPR");
 }
 
+void BMCSFGAME4IN1_Init(CartInfo *info) {
+	isUNIF = 1;
+	GenMMC3_Init(info, 512, 512, 0, 0);
+	cwrap = M49CW;
+	pwrap = M49PW;
+	info->Reset = M49Reset;
+	info->Power = M49Power;
+	AddExState(EXPREGS, 1, 0, "EXPR");
+}
+
 /* ---------------------------- Mapper 52 ------------------------------- */
 static void M52PW(uint32 A, uint8 V) {
 	uint32 mask = 0x1F ^ ((EXPREGS[0] & 8) << 1);

src/unif.c

@@ -495,6 +495,7 @@ static BMAPPING bmap[] = {
 
 	{ "JC-016-2", Mapper205_Init, 0 },
 	{ "AX-40G", UNLAX40G_Init, 0 },
+	{ " BMC-STREETFIGTER-GAME4IN1", BMCSFGAME4IN1_Init, 0 },
 
 #ifdef COPYFAMI
 	{ "COPYFAMI_MMC3", MapperCopyFamiMMC3_Init, 0 },

src/unif.h

@@ -181,6 +181,7 @@ void UNLKS7021A_Init(CartInfo *info);		/* m525 */
 void BTL900218_Init(CartInfo *info);		/* m524 */
 void UNLAX40G_Init(CartInfo *info);			/* m527 */
 void BMCK3088_Init(CartInfo *info);			/* m287 */
+void BMCSFGAME4IN1_Init(CartInfo *info);	/* m049 */
 
 #ifdef COPYFAMI
 void MapperCopyFamiMMC3_Init(CartInfo *info);