bus/nes: Added support for Little Com 160 Korean multicart. (#8378)

New working software list additions (nes.xml) ----------------------------------- Little Com 160 [NewRisingSun]
2025-04-23 00:39:36 +03:00 · 2021-08-01 06:13:04 -08:00 · 2021-08-01 06:13:04 -08:00 · cdc91a1454
commit cdc91a1454
parent 0753a9229b
7 changed files with 69 additions and 3 deletions
--- a/hash/nes.xml
+++ b/hash/nes.xml
@ -80726,6 +80726,22 @@ be better to redump them properly. -->
 		</part>
 	</software>

+<!-- This seems to have been a pack-in cartridge included with the Little Com II (only II?) Famiclone-based computer. -->
+	<software name="mc_lc160">
+		<description>Little Com 160</description>
+		<year>199?</year>
+		<publisher>Little Com</publisher>
+		<part name="cart" interface="nes_cart">
+			<feature name="slot" value="bmc_lc160" />
+			<dataarea name="prg" size="1048576">
+				<rom name="mc_lc160.prg" size="1048576" crc="49a5cda7" sha1="119afaafbdbeae813f8686e255d9bbdd6a2c3faa" status="baddump" />
+			</dataarea>
+			<!-- 8k VRAM on cartridge -->
+			<dataarea name="vram" size="8192">
+			</dataarea>
+		</part>
+	</software>
+
 <!-- This dump is supposed to be bad: all other carts with the same PCB have switched CHR bank order, redump needed
 to check why this is different -->
 	<software name="mc_mario">
--- a/src/devices/bus/nes/multigame.cpp
+++ b/src/devices/bus/nes/multigame.cpp
@ -81,6 +81,7 @@ DEFINE_DEVICE_TYPE(NES_BMC_CH001,      nes_bmc_ch001_device,      "nes_bmc_ch001
 DEFINE_DEVICE_TYPE(NES_BMC_SUPER22,    nes_bmc_super22_device,    "nes_bmc_super22",    "NES Cart BMC Super 22 Games PCB")
 DEFINE_DEVICE_TYPE(NES_BMC_4IN1RESET,  nes_bmc_4in1reset_device,  "nes_bmc_4in1reset",  "NES Cart BMC 4 in 1 (Reset Based) PCB")
 DEFINE_DEVICE_TYPE(NES_BMC_42IN1RESET, nes_bmc_42in1reset_device, "nes_bmc_42in1reset", "NES Cart BMC 42 in 1 (Reset Based) PCB")
+DEFINE_DEVICE_TYPE(NES_BMC_LC160,      nes_bmc_lc160_device,      "nes_bmc_lc160",      "NES Cart BMC Little Com 160 PCB")


 nes_action52_device::nes_action52_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
@ -348,6 +349,11 @@ nes_bmc_42in1reset_device::nes_bmc_42in1reset_device(const machine_config &mconf
 {
 }

+nes_bmc_lc160_device::nes_bmc_lc160_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+	: nes_nrom_device(mconfig, NES_BMC_LC160, tag, owner, clock)
+{
+}
+



@ -2802,3 +2808,30 @@ void nes_bmc_42in1reset_device::write_h(offs_t offset, uint8_t data)
 	set_nt_mirroring(BIT(offset, 6) ? PPU_MIRROR_HORZ : PPU_MIRROR_VERT);

 }
+
+/*-------------------------------------------------
+
+ BMC-LITTLECOM-160
+
+ Unknown Bootleg Multigame Board
+
+ Games: Little Com 160
+
+ NES 2.0: mapper 541
+
+ In MAME: Supported.
+
+ -------------------------------------------------*/
+
+void nes_bmc_lc160_device::write_h(offs_t offset, u8 data)
+{
+	LOG_MMC(("bmc_lc160 write_h, offset: %04x, data: %02x\n", offset, data));
+	if (offset >= 0x4000)
+	{
+		u8 bank = (offset >> 2) & 0x3f;
+		u8 mode = !BIT(offset, 1);
+		prg16_89ab(bank & ~mode);
+		prg16_cdef(bank | mode);
+		set_nt_mirroring(BIT(offset, 0) ? PPU_MIRROR_VERT : PPU_MIRROR_HORZ);
+	}
+}
--- a/src/devices/bus/nes/multigame.h
+++ b/src/devices/bus/nes/multigame.h
@ -1007,6 +1007,7 @@ private:
 	int m_latch;
 };

+
 // ======================> nes_bmc_42in1reset_device

 class nes_bmc_42in1reset_device : public nes_nrom_device
@ -1029,6 +1030,18 @@ private:
 };


+// ======================> nes_bmc_lc160_device
+
+class nes_bmc_lc160_device : public nes_nrom_device
+{
+public:
+	// construction/destruction
+	nes_bmc_lc160_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+	virtual void write_h(offs_t offset, u8 data) override;
+};
+
+
 // device type definition
 DECLARE_DEVICE_TYPE(NES_ACTION52,       nes_action52_device)
 DECLARE_DEVICE_TYPE(NES_CALTRON6IN1,    nes_caltron_device)
@ -1083,5 +1096,6 @@ DECLARE_DEVICE_TYPE(NES_BMC_CH001,      nes_bmc_ch001_device)
 DECLARE_DEVICE_TYPE(NES_BMC_SUPER22,    nes_bmc_super22_device)
 DECLARE_DEVICE_TYPE(NES_BMC_4IN1RESET,  nes_bmc_4in1reset_device)
 DECLARE_DEVICE_TYPE(NES_BMC_42IN1RESET, nes_bmc_42in1reset_device)
+DECLARE_DEVICE_TYPE(NES_BMC_LC160,      nes_bmc_lc160_device)

 #endif // MAME_BUS_NES_MULTIGAME_H
--- a/src/devices/bus/nes/nes_carts.cpp
+++ b/src/devices/bus/nes/nes_carts.cpp
@ -404,6 +404,7 @@ void nes_cart(device_slot_interface &device)
 	device.option_add_internal("bmc_s22games",     NES_BMC_SUPER22);    // mapper 233
 	device.option_add_internal("bmc_reset4",       NES_BMC_4IN1RESET);  // mapper 60 with 64k prg and 32k chr
 	device.option_add_internal("bmc_reset42",      NES_BMC_42IN1RESET); // mapper 226? or 233?
+	device.option_add_internal("bmc_lc160",        NES_BMC_LC160);
 // misc multigame cart MMC3 clone boards
 	device.option_add_internal("fk23c",            NES_FK23C);
 	device.option_add_internal("fk23ca",           NES_FK23CA);
--- a/src/devices/bus/nes/nes_ines.hxx
+++ b/src/devices/bus/nes/nes_ines.hxx
@ -52,6 +52,7 @@ static const nes_mmc mmc_list[] =
 	{ 17, FFE8_BOARD },
 	{ 18, JALECO_SS88006 },
 	{ 19, NAMCOT_163 },
+	// 20 Reserved for emulator use for FDS emulation.
 	{ 21, KONAMI_VRC4 },
 	{ 22, KONAMI_VRC2 },
 	{ 23, KONAMI_VRC2 },
@ -156,7 +157,7 @@ static const nes_mmc mmc_list[] =
 	{ 121, KAY_BOARD },
 	// 122 Unused
 	{ 123, UNL_H2288 },
-	// 124 Super Game Mega Type III pirate arcade board?
+	// 124 Super Game Mega Type III bootleg arcade board. Emulated in MAME as supergm3.
 	{ 125, UNL_LH32 },  // Monty no Doki Doki Daidassou - FDS Conversion
 	{ 126, BMC_PJOY84 },
 	// 127 Double Dragon II Japan pirate. Dump available?
@ -500,7 +501,7 @@ static const nes_mmc mmc_list[] =
 	// { 538, BTL_60106416L }, Exciting Soccer bootleg, not in nes.xml (available baddump needs banks rearranged?)
 	{ 539, BTL_PALTHENA },         // Hikari Shinwa (Kid Icarus) FDS conversion
 	// 540 for mstrfgt6 in nes.xml or a variant of it not in nes.xml?
-	// 541 LittleCom 160 in 1 multicart, not in nes.xml?
+	{ 541, BMC_LITTLECOM160 },
 	// 542 Chairman Mao's 100th anniversary cart? You've got to be kidding me.
 	// 543 5 in 1 (CH-501) multicart, not in nes.xml?
 	// 544 another alt of sango2ht/sanguo2a?
--- a/src/devices/bus/nes/nes_pcb.hxx
+++ b/src/devices/bus/nes/nes_pcb.hxx
@ -302,6 +302,7 @@ static const nes_pcb pcb_list[] =
 	{ "bmc_s22games",     BMC_SUPER22 },
 	{ "bmc_reset4",       BMC_4IN1RESET },
 	{ "bmc_reset42",      BMC_42IN1RESET },
+	{ "bmc_lc160",        BMC_LITTLECOM160 },
 	{ "jyc_a",            JYCOMPANY_A },
 	{ "jyc_b",            JYCOMPANY_B },
 	{ "jyc_c",            JYCOMPANY_C },
--- a/src/devices/bus/nes/nes_slot.h
+++ b/src/devices/bus/nes/nes_slot.h
@ -99,7 +99,7 @@ enum
 	BMC_NTD_03, BMC_G63IN1, BMC_FK23C, BMC_FK23CA, BMC_PJOY84,
 	BMC_POWERFUL_255, BMC_11160, BMC_G146, BMC_8157, BMC_830118C,
 	BMC_411120C, BMC_GOLD150, BMC_GOLD260, BMC_CH001, BMC_SUPER22,
-	BMC_12IN1, BMC_4IN1RESET, BMC_42IN1RESET,
+	BMC_12IN1, BMC_4IN1RESET, BMC_42IN1RESET, BMC_LITTLECOM160,
 	BMC_CTC09, BMC_K3046, BMC_SA005A, BMC_TJ03,
 	// Unlicensed
 	UNL_8237, UNL_CC21, UNL_AX5705, UNL_KN42, UNL_KOF97,