bus/megadrive/cart: initial pass at a new cart slot interface

hash/supracan.xml

@@ -97,7 +97,7 @@ Broken [video] during intro, uses bitmap mode with ROZ layer
 	<software name="staiwbbl" supported="no">
 		<description>Super Taiwanese Baseball League ~ Chao Ji Zhong Hua Zhi Bang Lian Meng</description>
 		<year>1995</year>
-		<publisher>C&amp;E Soft</publisher>
+		<publisher>C&amp;E</publisher>
 		<notes><![CDATA[
 [video] ROZ is misaligned during intro, and initially concealed (blending?).
 [sound] missing crowd noise during gameplay, tries to play an empty buffer in the $2xxx range. (fixed with internal sound BIOS dump for attract)

scripts/src/bus.lua

@@ -3877,6 +3877,60 @@ if (BUSES["MEGADRIVE"]~=null) then
 	}
 end
 
+---------------------------------------------------
+--
+--@src/devices/bus/megadrive/cart/slot.h,BUSES["MEGADRIVE_CART"] = true
+---------------------------------------------------
+
+if (BUSES["MEGADRIVE_CART"]~=null) then
+	files {
+		MAME_DIR .. "src/devices/bus/megadrive/cart/action_replay.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/action_replay.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/avartisan.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/avartisan.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/eeprom.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/eeprom.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/everdrive.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/everdrive.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/gamtec.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/gamtec.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/jcart.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/jcart.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/options.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/options.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/mcpirate.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/mcpirate.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/miky.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/miky.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/multigame.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/multigame.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/rockworld.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/rockworld.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/rom.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/rom.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/seganet.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/seganet.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/sfteam.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/sfteam.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/smb.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/smb.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/smw64.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/smw64.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/slot.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/slot.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/sram.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/sram.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/ssf.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/ssf.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/t5740.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/t5740.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/tekkensp.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/tekkensp.h",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/xboy.cpp",
+		MAME_DIR .. "src/devices/bus/megadrive/cart/xboy.h",
+	}
+end
+
 
 ---------------------------------------------------
 --

scripts/src/machine.lua

@@ -2140,6 +2140,18 @@ if (MACHINES["M950X0"]~=null) then
 	}
 end
 
+---------------------------------------------------
+--
+--@src/devices/machine/m95320.h,MACHINES["M95320"] = true
+---------------------------------------------------
+
+if (MACHINES["M95320"]~=null) then
+	files {
+		MAME_DIR .. "src/devices/machine/m95320.cpp",
+		MAME_DIR .. "src/devices/machine/m95320.h",
+	}
+end
+
 ---------------------------------------------------
 --
 --@src/devices/machine/macseconds.h,MACHINES["MACSECONDS"] = true

src/devices/bus/megadrive/cart/action_replay.cpp

@@ -0,0 +1,66 @@
+// license: BSD-3-Clause
+// copyright-holders: Angelo Salese
+/***********************************************************************************************
+
+Datel Action Replay lock-on carts
+
+TODO:
+- Actual cheat interface (needs a dynamic overlay for user work RAM mods)
+
+***********************************************************************************************/
+
+#include "emu.h"
+#include "action_replay.h"
+
+#include "options.h"
+
+DEFINE_DEVICE_TYPE(MEGADRIVE_ACTION_REPLAY, megadrive_action_replay_device, "megadrive_ar", "Megadrive Datel Action Replay cart")
+
+megadrive_action_replay_device::megadrive_action_replay_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock)
+	: megadrive_rom_device(mconfig, type, tag, owner, clock)
+	, m_lockon_cart(*this, "cart")
+	, m_ar_view(*this, "ar_view")
+{
+}
+
+megadrive_action_replay_device::megadrive_action_replay_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+	: megadrive_action_replay_device(mconfig, MEGADRIVE_ACTION_REPLAY, tag, owner, clock)
+{
+}
+
+void megadrive_action_replay_device::device_add_mconfig(machine_config &config)
+{
+	MEGADRIVE_CART_SLOT(config, m_lockon_cart, this->clock(), megadrive_cart_options, nullptr).set_must_be_loaded(false);
+}
+
+void megadrive_action_replay_device::device_start()
+{
+	megadrive_rom_device::device_start();
+}
+
+void megadrive_action_replay_device::device_reset()
+{
+	megadrive_rom_device::device_reset();
+	m_ar_view.select(0);
+}
+
+void megadrive_action_replay_device::unlock_cart_w(offs_t offset, u16 data, u16 mem_mask)
+{
+	if (data == 0xffff)
+	{
+		m_ar_view.disable();
+	}
+}
+
+void megadrive_action_replay_device::cart_map(address_map &map)
+{
+	map(0x00'0000, 0x7f'ffff).rw(m_lockon_cart, FUNC(megadrive_cart_slot_device::base_r), FUNC(megadrive_cart_slot_device::base_w));
+	map(0x00'0000, 0x01'ffff).view(m_ar_view);
+	m_ar_view[0](0x00'0000, 0x00'7fff).mirror(0x00'8000).bankr(m_rom);
+	m_ar_view[0](0x01'0006, 0x01'0007).w(FUNC(megadrive_action_replay_device::unlock_cart_w));
+}
+
+void megadrive_action_replay_device::time_io_map(address_map &map)
+{
+	map(0x00, 0xff).rw(m_lockon_cart, FUNC(megadrive_cart_slot_device::time_r), FUNC(megadrive_cart_slot_device::time_w));
+}

src/devices/bus/megadrive/cart/action_replay.h

@@ -0,0 +1,37 @@
+// license: BSD-3-Clause
+// copyright-holders: Angelo Salese
+
+#ifndef MAME_BUS_MEGADRIVE_CART_ACTION_REPLAY_H
+#define MAME_BUS_MEGADRIVE_CART_ACTION_REPLAY_H
+
+#pragma once
+
+#include "rom.h"
+#include "slot.h"
+
+class megadrive_action_replay_device : public megadrive_rom_device
+{
+public:
+	megadrive_action_replay_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+	virtual void cart_map(address_map &map) override ATTR_COLD;
+	virtual void time_io_map(address_map &map) override ATTR_COLD;
+
+protected:
+	megadrive_action_replay_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
+
+	virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
+
+	virtual void device_start() override ATTR_COLD;
+	virtual void device_reset() override ATTR_COLD;
+
+	required_device<megadrive_cart_slot_device> m_lockon_cart;
+	memory_view m_ar_view;
+
+	void unlock_cart_w(offs_t offset, u16 data, u16 mem_mask);
+};
+
+DECLARE_DEVICE_TYPE(MEGADRIVE_ACTION_REPLAY, megadrive_action_replay_device)
+
+
+#endif // MAME_BUS_MEGADRIVE_CART_ACTION_REPLAY_H

src/devices/bus/megadrive/cart/avartisan.cpp

@@ -0,0 +1,74 @@
+// license: BSD-3-Clause
+// copyright-holders: Angelo Salese
+/**************************************************************************************************
+
+AV Artisan/Realtec cart mappers
+
+Goofy banking scheme. Maps every bank with $7e000 page at startup, remaps in $20000 chunks
+depending on masked values between $404000 and $402000 then locks the mapper.
+
+Practically only funnywld sets these to non-zero values, everything else just writes 0 to both
+regs.
+
+**************************************************************************************************/
+
+#include "emu.h"
+#include "avartisan.h"
+
+#include "bus/generic/slot.h"
+
+DEFINE_DEVICE_TYPE(MEGADRIVE_UNL_AVARTISAN, megadrive_unl_avartisan_device, "megadrive_unl_avartisan", "Megadrive AV Artisan cart")
+
+megadrive_unl_avartisan_device::megadrive_unl_avartisan_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+	: device_t(mconfig, MEGADRIVE_UNL_AVARTISAN, tag, owner, clock)
+	, device_megadrive_cart_interface( mconfig, *this )
+	, m_rom_bank(*this, "rom_bank_%u", 0U)
+{
+}
+
+void megadrive_unl_avartisan_device::device_start()
+{
+	memory_region *const romregion(cart_rom_region());
+	const u32 page_size = 0x00'2000;
+	device_generic_cart_interface::map_non_power_of_two(
+			unsigned(romregion->bytes() / page_size),
+			[this, base = &romregion->as_u8()] (unsigned entry, unsigned page)
+			{
+				for (int i = 0; i < 0x40; i++)
+					m_rom_bank[i]->configure_entry(entry, &base[page * page_size]);
+			});
+}
+
+void megadrive_unl_avartisan_device::device_reset()
+{
+	// TODO: default
+	// GPGX uses /VRES to bypass TMSS with a read at $100, is it even possible?
+	for (int i = 0; i < 0x40; i++)
+		m_rom_bank[i]->set_entry(0x3f);
+	m_lock_config = false;
+}
+
+void megadrive_unl_avartisan_device::cart_map(address_map &map)
+{
+	for (int i = 0; i < 0x40; i++)
+		map(0x00'0000 | (i * 0x2000), 0x00'1fff | (i * 0x2000)).mirror(0x380000).bankr(m_rom_bank[i]);
+	map(0x40'2000, 0x40'2000).lw8(NAME([this] (offs_t offset, u8 data) { m_bank_size = (data & 3) << 4; }));
+	map(0x40'4000, 0x40'4000).lw8(NAME([this] (offs_t offset, u8 data) { m_bank_sel = (data & 3) << 4; }));
+	map(0x40'0000, 0x40'0000).lw8(
+		NAME([this] (offs_t offset, u8 data) {
+			// 0 -> 1 transitions
+			if (!m_lock_config && BIT(data, 0))
+			{
+				logerror("size %02x sel %02x (%02x)\n", m_bank_size, m_bank_sel, ~m_bank_size);
+				u8 bank_base = m_bank_sel & m_bank_size;
+				for (int i = 0; i < 0x40; i++)
+				{
+					m_rom_bank[i]->set_entry(((i & ~m_bank_size) | bank_base) & 0x3f);
+				}
+
+				m_lock_config = !!BIT(data, 0);
+			}
+		})
+	);
+}
+

src/devices/bus/megadrive/cart/avartisan.h

@@ -0,0 +1,33 @@
+// license: BSD-3-Clause
+// copyright-holders: Angelo Salese
+
+#ifndef MAME_BUS_MEGADRIVE_CART_AVARTISAN_H
+#define MAME_BUS_MEGADRIVE_CART_AVARTISAN_H
+
+#pragma once
+
+#include "rom.h"
+#include "slot.h"
+
+class megadrive_unl_avartisan_device : public device_t,
+									   public device_megadrive_cart_interface
+{
+public:
+	megadrive_unl_avartisan_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+	virtual void cart_map(address_map &map) override ATTR_COLD;
+
+protected:
+	virtual void device_start() override ATTR_COLD;
+	virtual void device_reset() override ATTR_COLD;
+
+	memory_bank_array_creator<0x40> m_rom_bank;
+	u8 m_bank_size;
+	u8 m_bank_sel;
+	bool m_lock_config;
+};
+
+DECLARE_DEVICE_TYPE(MEGADRIVE_UNL_AVARTISAN, megadrive_unl_avartisan_device)
+
+
+#endif // MAME_BUS_MEGADRIVE_CART_AVARTISAN_H