(MESS) msx.c: Added harry fox mapper (nw)

.gitattributes

@@ -999,6 +999,8 @@ src/emu/bus/msx_cart/crossblaim.c svneol=native#text/plain
 src/emu/bus/msx_cart/crossblaim.h svneol=native#text/plain
 src/emu/bus/msx_cart/fmpac.c svneol=native#text/plain
 src/emu/bus/msx_cart/fmpac.h svneol=native#text/plain
+src/emu/bus/msx_cart/hfox.c svneol=native#text/plain
+src/emu/bus/msx_cart/hfox.h svneol=native#text/plain
 src/emu/bus/msx_cart/konami.c svneol=native#text/plain
 src/emu/bus/msx_cart/konami.h svneol=native#text/plain
 src/emu/bus/msx_cart/korean.c svneol=native#text/plain

hash/msx1_cart.xml

@@ -6535,13 +6535,13 @@ kept for now until finding out what those bytes affect...
 		</part>
 	</software>
 
-	<software name="hfox2" cloneof="hfox" supported="no">
+	<software name="hfox2" cloneof="hfox">
 		<description>Hurry Fox - Yuki no Maou hen (Jpn)</description>
 		<year>1985</year>
 		<publisher>MicroCabin</publisher>
 		<info name="alt_title" value="は～りぃふぉっくす雪の魔王編" />
 		<part name="cart" interface="msx_cart">
-			<feature name="slot" value="ascii16" />
+			<feature name="slot" value="hfox" />
 			<feature name="mapper" value="M60002-0125SP-16" />
 			<dataarea name="rom" size="65536">
 				<rom name="harryfox yki no maoh (japan).rom" size="65536" crc="c7fe3ee1" sha1="3626b5dd3188ec2a16e102d05c79f8f242fbd892" offset="0" />

src/emu/bus/bus.mak

@@ -411,6 +411,7 @@ BUSOBJS += $(BUSOBJ)/msx_cart/ascii.o
 BUSOBJS += $(BUSOBJ)/msx_cart/cartridge.o
 BUSOBJS += $(BUSOBJ)/msx_cart/crossblaim.o
 BUSOBJS += $(BUSOBJ)/msx_cart/fmpac.o
+BUSOBJS += $(BUSOBJ)/msx_cart/hfox.o
 BUSOBJS += $(BUSOBJ)/msx_cart/konami.o
 BUSOBJS += $(BUSOBJ)/msx_cart/korean.o
 BUSOBJS += $(BUSOBJ)/msx_cart/majutsushi.o

src/emu/bus/msx_cart/cartridge.c

@@ -4,6 +4,7 @@
 #include "ascii.h"
 #include "crossblaim.h"
 #include "fmpac.h"
+#include "hfox.h"
 #include "konami.h"
 #include "korean.h"
 #include "majutsushi.h"
@@ -42,6 +43,7 @@ SLOT_INTERFACE_START(msx_cart)
 	SLOT_INTERFACE_INTERNAL("msxaud_fsca1", MSX_CART_MSX_AUDIO_FSCA1)
 	SLOT_INTERFACE_INTERNAL("msxaud_nms1205", MSX_CART_MSX_AUDIO_NMS1205)
 	SLOT_INTERFACE_INTERNAL("super_swangi", MSX_CART_SUPER_SWANGI)
+	SLOT_INTERFACE_INTERNAL("hfox", MSX_CART_HFOX)
 SLOT_INTERFACE_END
 
 

src/emu/bus/msx_cart/hfox.c

@@ -0,0 +1,78 @@
+#include "emu.h"
+#include "hfox.h"
+
+
+const device_type MSX_CART_HFOX = &device_creator<msx_cart_hfox>;
+
+
+msx_cart_hfox::msx_cart_hfox(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+	: device_t(mconfig, MSX_CART_HFOX, "MSX Cartridge - Harry Fox", tag, owner, clock, "msx_cart_hfox", __FILE__)
+	, msx_cart_interface(mconfig, *this)
+{
+	m_selected_bank[0] = m_selected_bank[1] = 0;
+	m_bank_base[0] = m_bank_base[1] = NULL;
+}
+
+
+void msx_cart_hfox::device_start()
+{
+	save_item(NAME(m_selected_bank));
+
+	machine().save().register_postload(save_prepost_delegate(FUNC(msx_cart_hfox::restore_banks), this));
+}
+
+
+void msx_cart_hfox::restore_banks()
+{
+	m_bank_base[0] = get_rom_base() + ((m_selected_bank[0] & 0x01) * 0x8000);
+	m_bank_base[1] = get_rom_base() + ((m_selected_bank[1] & 0x01) * 0x8000) + 0x4000;
+}
+
+
+void msx_cart_hfox::device_reset()
+{
+	m_selected_bank[0] = m_selected_bank[1] = 0;
+}
+
+
+void msx_cart_hfox::initialize_cartridge()
+{
+	if (get_rom_size() < 0x10000)
+	{
+		fatalerror("rtype: Invalid ROM size\n");
+	}
+
+	restore_banks();
+}
+
+
+READ8_MEMBER(msx_cart_hfox::read_cart)
+{
+	if (offset >= 0x4000 && offset < 0xc000)
+	{
+		return m_bank_base[offset >> 15][offset & 0x3fff];
+	}
+	return 0xff;
+}
+
+
+WRITE8_MEMBER(msx_cart_hfox::write_cart)
+{
+	switch (offset)
+	{
+		case 0x6000:
+			m_selected_bank[0] = data;
+			restore_banks();
+			break;
+
+		case 0x7000:
+			m_selected_bank[1] = data;
+			restore_banks();
+			break;
+
+		default:
+			printf("msx_cart_hfox: unhandled write %02x to %04x\n", data, offset);
+			break;
+	}
+}
+

src/emu/bus/msx_cart/hfox.h

@@ -0,0 +1,33 @@
+#ifndef __MSX_CART_HFOX_H
+#define __MSX_CART_HFOX_H
+
+#include "bus/msx_cart/cartridge.h"
+
+
+extern const device_type MSX_CART_HFOX;
+
+
+class msx_cart_hfox : public device_t
+						, public msx_cart_interface
+{
+public:
+	msx_cart_hfox(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+	// device-level overrides
+	virtual void device_start();
+	virtual void device_reset();
+
+	virtual void initialize_cartridge();
+
+	virtual DECLARE_READ8_MEMBER(read_cart);
+	virtual DECLARE_WRITE8_MEMBER(write_cart);
+
+	void restore_banks();
+
+private:
+	UINT8 m_selected_bank[2];
+	UINT8 *m_bank_base[2];
+};
+
+
+#endif