bus/nes: Added support of a pair of 4-in-1 multicarts. (#8441)

New working software list additions (nes.xml) ----------------------------------- 4 in 1 (K-3131GS) [anonymous] 4 in 1 (K-3131SS) [anonymous]
2025-04-20 15:32:45 +03:00 · 2021-08-15 06:24:09 -08:00 · 2021-08-15 06:24:09 -08:00 · caf6dd6b24
commit caf6dd6b24
parent ee07073837
7 changed files with 113 additions and 2 deletions
--- a/hash/nes.xml
+++ b/hash/nes.xml
@ -79233,6 +79233,42 @@ be better to redump them properly. -->
 		</part>
 	</software>

+	<software name="mc_4k1gs">
+		<description>4 in 1 (K-3131GS)</description>
+		<year>199?</year>
+		<publisher>&lt;pirate&gt;</publisher>
+		<part name="cart" interface="nes_cart">
+			<feature name="slot" value="bmc_gn45" />
+			<dataarea name="prg" size="524288">
+				<rom name="4-in-1 (k-3131gs, gn-45).prg" size="524288" crc="dc835c48" sha1="ef17c86e521110637b443437fca269f2e3f2385f" status="baddump" />
+			</dataarea>
+			<dataarea name="chr" size="524288">
+				<rom name="4-in-1 (k-3131gs, gn-45).chr" size="524288" crc="b551ccdb" sha1="fc17c81a23bd55b9195d8f166aad313f29067ed1" status="baddump" />
+			</dataarea>
+			<!-- 8k WRAM on cartridge -->
+			<dataarea name="wram" size="8192">
+			</dataarea>
+		</part>
+	</software>
+
+	<software name="mc_4k1ss">
+		<description>4 in 1 (K-3131SS)</description>
+		<year>199?</year>
+		<publisher>&lt;pirate&gt;</publisher>
+		<part name="cart" interface="nes_cart">
+			<feature name="slot" value="bmc_gn45" />
+			<dataarea name="prg" size="524288">
+				<rom name="4-in-1 (k-3131ss, gn-45).prg" size="524288" crc="466bdb58" sha1="354116730efa2131172ccca3793a065abee6026e" status="baddump" />
+			</dataarea>
+			<dataarea name="chr" size="524288">
+				<rom name="4-in-1 (k-3131ss, gn-45).chr" size="524288" crc="08d7aa1b" sha1="f78aa3ff4345a31ece3b26cacdb86d437c5c0e17" status="baddump" />
+			</dataarea>
+			<!-- 8k WRAM on cartridge -->
+			<dataarea name="wram" size="8192">
+			</dataarea>
+		</part>
+	</software>
+
 	<software name="mc_4kt34" supported="no">
 		<description>4 in 1 (KT-3445AB)</description>
 		<year>19??</year>
--- a/src/devices/bus/nes/mmc3_clones.cpp
+++ b/src/devices/bus/nes/mmc3_clones.cpp
@ -61,6 +61,7 @@ DEFINE_DEVICE_TYPE(NES_BMC_HIK8,      nes_bmc_hik8_device,      "nes_bmc_hik8",
 DEFINE_DEVICE_TYPE(NES_BMC_HIK4,      nes_bmc_hik4_device,      "nes_bmc_hik4",      "NES Cart BMC HIK 4 in 1 PCB")
 DEFINE_DEVICE_TYPE(NES_BMC_MARIO7IN1, nes_bmc_mario7in1_device, "nes_bmc_mario7in1", "NES Cart BMC Mario 7 in 1 PCB")
 DEFINE_DEVICE_TYPE(NES_BMC_F15,       nes_bmc_f15_device,       "nes_bmc_f15",       "NES Cart BMC F-15 PCB")
+DEFINE_DEVICE_TYPE(NES_BMC_GN45,      nes_bmc_gn45_device,      "nes_bmc_gn45",      "NES Cart BMC GN-45 PCB")
 DEFINE_DEVICE_TYPE(NES_BMC_GOLD7IN1,  nes_bmc_gold7in1_device,  "nes_bmc_gold7in1",  "NES Cart BMC Golden 7 in 1 PCB")
 DEFINE_DEVICE_TYPE(NES_BMC_GC6IN1,    nes_bmc_gc6in1_device,    "nes_bmc_gc6in1",    "NES Cart BMC Golden Card 6 in 1 PCB")
 DEFINE_DEVICE_TYPE(NES_BMC_K3006,     nes_bmc_k3006_device,     "nes_bmc_k3006",     "NES Cart BMC K-3006 PCB")
@ -236,6 +237,11 @@ nes_bmc_f15_device::nes_bmc_f15_device(const machine_config &mconfig, const char
 {
 }

+nes_bmc_gn45_device::nes_bmc_gn45_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+	: nes_txrom_device(mconfig, NES_BMC_GN45, tag, owner, clock), m_lock(false)
+{
+}
+
 nes_bmc_gold7in1_device::nes_bmc_gold7in1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
 	: nes_txrom_device(mconfig, NES_BMC_GOLD7IN1, tag, owner, clock), m_reg_written(0)
 {
@ -590,6 +596,20 @@ void nes_bmc_f15_device::pcb_reset()
 	prg16_cdef(0);
 }

+void nes_bmc_gn45_device::device_start()
+{
+	mmc3_start();
+	save_item(NAME(m_lock));
+}
+
+void nes_bmc_gn45_device::pcb_reset()
+{
+	m_chr_source = m_vrom_chunks ? CHRROM : CHRRAM;
+
+	m_lock = false;
+	mmc3_common_initialize(0x0f, 0x7f, 0);
+}
+
 void nes_bmc_gold7in1_device::device_start()
 {
 	mmc3_start();
@ -2348,6 +2368,37 @@ void nes_fcgj8in1_device::write_m(offs_t offset, u8 data)
 	}
 }

+/*-------------------------------------------------
+
+ BMC-GN-45
+
+ Games: 4 in 1 (K-3131GS and K-3131SS)
+
+ MMC3 clone with banking for multigame menu.
+
+ NES 2.0: mapper 366
+
+ In MAME: Supported.
+
+ -------------------------------------------------*/
+
+void nes_bmc_gn45_device::write_m(offs_t offset, u8 data)
+{
+	LOG_MMC(("bmc_gn45 write_m, offset: %04x, data: %02x\n", offset, data));
+
+	nes_txrom_device::write_m(offset, data);    // write to overlapping WRAM
+
+	if (!m_lock)
+	{
+		m_prg_base = offset & 0x70;
+		set_prg(m_prg_base, m_prg_mask);
+		m_chr_base = m_prg_base << 3;
+		set_chr(m_chr_source, m_chr_base, m_chr_mask);
+
+		m_lock = BIT(offset, 7);
+	}
+}
+
 /*-------------------------------------------------

 BMC-GOLD-7IN1
--- a/src/devices/bus/nes/mmc3_clones.h
+++ b/src/devices/bus/nes/mmc3_clones.h
@ -627,6 +627,27 @@ public:
 };


+// ======================> nes_bmc_gn45_device
+
+class nes_bmc_gn45_device : public nes_txrom_device
+{
+public:
+	// construction/destruction
+	nes_bmc_gn45_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+	virtual void write_m(offs_t offset, u8 data) override;
+
+	virtual void pcb_reset() override;
+
+protected:
+	// device-level overrides
+	virtual void device_start() override;
+
+private:
+	bool m_lock;
+};
+
+
 // ======================> nes_bmc_gold7in1_device

 class nes_bmc_gold7in1_device : public nes_txrom_device
@ -822,6 +843,7 @@ DECLARE_DEVICE_TYPE(NES_BMC_HIK8,      nes_bmc_hik8_device)
 DECLARE_DEVICE_TYPE(NES_BMC_HIK4,      nes_bmc_hik4_device)
 DECLARE_DEVICE_TYPE(NES_BMC_MARIO7IN1, nes_bmc_mario7in1_device)
 DECLARE_DEVICE_TYPE(NES_BMC_F15,       nes_bmc_f15_device)
+DECLARE_DEVICE_TYPE(NES_BMC_GN45,      nes_bmc_gn45_device)
 DECLARE_DEVICE_TYPE(NES_BMC_GOLD7IN1,  nes_bmc_gold7in1_device)
 DECLARE_DEVICE_TYPE(NES_BMC_GC6IN1,    nes_bmc_gc6in1_device)
 DECLARE_DEVICE_TYPE(NES_BMC_K3006,     nes_bmc_k3006_device)
--- a/src/devices/bus/nes/nes_carts.cpp
+++ b/src/devices/bus/nes/nes_carts.cpp
@ -429,6 +429,7 @@ void nes_cart(device_slot_interface &device)
 	device.option_add_internal("bmc_hik4in1",      NES_BMC_HIK4);
 	device.option_add_internal("bmc_mario7in1",    NES_BMC_MARIO7IN1);
 	device.option_add_internal("bmc_f15",          NES_BMC_F15);
+	device.option_add_internal("bmc_gn45",         NES_BMC_GN45);
 	device.option_add_internal("bmc_gold7in1",     NES_BMC_GOLD7IN1);
 	device.option_add_internal("bmc_gc6in1",       NES_BMC_GC6IN1);
 	device.option_add_internal("bmc_411120c",      NES_BMC_411120C);
--- a/src/devices/bus/nes/nes_ines.hxx
+++ b/src/devices/bus/nes/nes_ines.hxx
@ -401,7 +401,7 @@ static const nes_mmc mmc_list[] =
 	// 363 variant of mapper 358?
 	// 364 JY-007, is this ttoons6 in nes.xml?
 	// 365 is this asderp95 in nes.xml?
-	// 366 K-3131GS and K-3131SS 4-in-1 carts
+	{ 366, BMC_GN45 },
 	// 367 7-in-1 cart that is a close variant of mapper 205
 	{ 368, BTL_YUNG08 },            // SMB2 FDS conversion
 	// 369 Super Mario Bros Party multicart
--- a/src/devices/bus/nes/nes_pcb.hxx
+++ b/src/devices/bus/nes/nes_pcb.hxx
@ -306,6 +306,7 @@ static const nes_pcb pcb_list[] =
 	{ "bmc_hik4in1",      BMC_SUPERHIK_4IN1 },
 	{ "bmc_mario7in1",    BMC_MARIOPARTY_7IN1 },
 	{ "bmc_f15",          BMC_F15 },
+	{ "bmc_gn45",         BMC_GN45 },
 	{ "bmc_gold7in1",     BMC_GOLD_7IN1 },
 	{ "bmc_gc6in1",       BMC_GOLDENCARD_6IN1 },
 	{ "bmc_411120c",      BMC_411120C },
--- a/src/devices/bus/nes/nes_slot.h
+++ b/src/devices/bus/nes/nes_slot.h
@ -86,7 +86,7 @@ enum
 	TXC_22211, TXC_DUMARACING, TXC_MJBLOCK,
 	TXC_COMMANDOS, TXC_TW, TXC_STRIKEW,
 	// Multigame Carts
-	BMC_64IN1NR, BMC_190IN1, BMC_A65AS, BMC_F15,
+	BMC_64IN1NR, BMC_190IN1, BMC_A65AS, BMC_F15, BMC_GN45,
 	BMC_HIK8IN1, BMC_NOVEL1, BMC_NOVEL2, BMC_S24IN1SC03, BMC_T262,
 	BMC_WS, BMC_SUPERBIG_7IN1, BMC_SUPERHIK_4IN1, BMC_BALLGAMES_11IN1,
 	BMC_MARIOPARTY_7IN1, BMC_GOLD_7IN1, BMC_SUPER_700IN1, BMC_FAMILY_4646,