tiki100: Added skeleton for Winchester controller. [Curt Coder]

hash/tiki100.xml

@@ -542,10 +542,10 @@
 	</software>
 
 	<software name="msdos">
-		<!-- 16 bit -->
 		<description>MS-DOS v2.11 (Nor)</description>
 		<year>198?</year>
 		<publisher>&lt;unknown&gt;</publisher>
+		<sharedfeat name="requirement" value="slot1:8088"/>
 		<part name="flop1" interface="floppy_5_25">
 			<dataarea name="flop" size="368640">
 				<rom name="msdos.dsk" size="368640" crc="4475dfa0" sha1="f925a7d60df8291c5b8aaa140a01933bba4a10c0" offset="0"/>
@@ -859,6 +859,7 @@
 		<description>TIKOS systemdiskett v2.0/24 (Nor)</description>
 		<year>198?</year>
 		<publisher>&lt;unknown&gt;</publisher>
+		<sharedfeat name="requirement" value="slot1:8088"/>
 		<part name="flop1" interface="floppy_5_25">
 			<dataarea name="flop" size="409600">
 				<rom name="tikos20.dsk" size="409600" crc="44ac5d24" sha1="25b8002738ae729539032a8eee49c64d316640cf" offset="0"/>

scripts/src/bus.lua

@@ -1110,6 +1110,8 @@ if (BUSES["TIKI100"]~=null) then
 		MAME_DIR .. "src/devices/bus/tiki100/exp.h",
 		MAME_DIR .. "src/devices/bus/tiki100/8088.c",
 		MAME_DIR .. "src/devices/bus/tiki100/8088.h",
+		MAME_DIR .. "src/devices/bus/tiki100/hdc.c",
+		MAME_DIR .. "src/devices/bus/tiki100/hdc.h",
 	}
 end
 

src/devices/bus/tiki100/exp.c

@@ -171,7 +171,9 @@ device_tiki100bus_card_interface::device_tiki100bus_card_interface(const machine
 
 // slot devices
 #include "8088.h"
+#include "hdc.h"
 
 SLOT_INTERFACE_START( tiki100_cards )
 	SLOT_INTERFACE("8088", TIKI100_8088)
+	SLOT_INTERFACE("hdc", TIKI100_HDC)
 SLOT_INTERFACE_END

src/devices/bus/tiki100/hdc.c

@@ -0,0 +1,118 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+    TIKI-100 Winchester controller card emulation
+
+**********************************************************************/
+
+#include "hdc.h"
+
+
+
+//**************************************************************************
+//  MACROS/CONSTANTS
+//**************************************************************************
+
+#define WD1010_TAG	"hdc"
+
+
+
+//**************************************************************************
+//  DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type TIKI100_HDC = &device_creator<tiki100_hdc_t>;
+
+
+//-------------------------------------------------
+//  MACHINE_CONFIG_FRAGMENT( tiki100_hdc )
+//-------------------------------------------------
+
+static MACHINE_CONFIG_FRAGMENT( tiki100_hdc )
+	MCFG_DEVICE_ADD(WD1010_TAG, WD2010, 5000000)
+	//MCFG_WD2010_OUT_INTRQ_CB()
+	MCFG_WD2010_IN_DRDY_CB(VCC)
+	MCFG_WD2010_IN_INDEX_CB(VCC)
+	MCFG_WD2010_IN_WF_CB(VCC)
+	MCFG_WD2010_IN_TK000_CB(VCC)
+	MCFG_WD2010_IN_SC_CB(VCC)
+
+	MCFG_HARDDISK_ADD("hard0")
+	MCFG_HARDDISK_ADD("hard1")
+MACHINE_CONFIG_END
+
+
+//-------------------------------------------------
+//  machine_config_additions - device-specific
+//  machine configurations
+//-------------------------------------------------
+
+machine_config_constructor tiki100_hdc_t::device_mconfig_additions() const
+{
+	return MACHINE_CONFIG_NAME( tiki100_hdc );
+}
+
+
+
+//**************************************************************************
+//  LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+//  tiki100_hdc_t - constructor
+//-------------------------------------------------
+
+tiki100_hdc_t::tiki100_hdc_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+	device_t(mconfig, TIKI100_HDC, "TIKI-100 Winchester controller", tag, owner, clock, "tiki100_hdc", __FILE__),
+	device_tiki100bus_card_interface(mconfig, *this),
+	m_hdc(*this, WD1010_TAG)
+{
+}
+
+
+//-------------------------------------------------
+//  device_start - device-specific startup
+//-------------------------------------------------
+
+void tiki100_hdc_t::device_start()
+{
+}
+
+
+//-------------------------------------------------
+//  device_reset - device-specific reset
+//-------------------------------------------------
+
+void tiki100_hdc_t::device_reset()
+{
+	m_hdc->reset();
+}
+
+
+//-------------------------------------------------
+//  tiki100bus_iorq_r - I/O read
+//-------------------------------------------------
+
+UINT8 tiki100_hdc_t::iorq_r(address_space &space, offs_t offset, UINT8 data)
+{
+	if ((offset & 0xf8) == 0x20)
+	{
+		data = m_hdc->read(space, offset & 0x07);
+	}
+
+	return data;
+}
+
+
+//-------------------------------------------------
+//  tiki100bus_iorq_w - I/O write
+//-------------------------------------------------
+
+void tiki100_hdc_t::iorq_w(address_space &space, offs_t offset, UINT8 data)
+{
+	if ((offset & 0xf8) == 0x20)
+	{
+		m_hdc->write(space, offset, data);
+	}
+}

src/devices/bus/tiki100/hdc.h

@@ -0,0 +1,55 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+    TIKI-100 Winchester controller card emulation
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __TIKI100_HDC__
+#define __TIKI100_HDC__
+
+#include "emu.h"
+#include "bus/tiki100/exp.h"
+#include "imagedev/harddriv.h"
+#include "machine/wd2010.h"
+
+
+
+//**************************************************************************
+//  TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> tiki100_hdc_t
+
+class tiki100_hdc_t : public device_t,
+					  public device_tiki100bus_card_interface
+{
+public:
+	// construction/destruction
+	tiki100_hdc_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+	// optional information overrides
+	virtual machine_config_constructor device_mconfig_additions() const;
+
+protected:
+	// device-level overrides
+	virtual void device_start();
+	virtual void device_reset();
+
+	// device_tiki100bus_card_interface overrides
+	virtual UINT8 iorq_r(address_space &space, offs_t offset, UINT8 data);
+	virtual void iorq_w(address_space &space, offs_t offset, UINT8 data);
+
+private:
+	required_device<wd2010_device> m_hdc;
+};
+
+
+// device type definition
+extern const device_type TIKI100_HDC;
+
+
+#endif

src/mame/drivers/tiki100.c

@@ -709,7 +709,7 @@ static MACHINE_CONFIG_START( tiki100, tiki100_state )
 	//MCFG_TIKI100_BUS_IRQ_CALLBACK()
 	//MCFG_TIKI100_BUS_NMI_CALLBACK()
 	MCFG_TIKI100_BUS_SLOT_ADD("slot1", "8088")
-	MCFG_TIKI100_BUS_SLOT_ADD("slot2", NULL)
+	MCFG_TIKI100_BUS_SLOT_ADD("slot2", "hdc")
 	MCFG_TIKI100_BUS_SLOT_ADD("slot3", NULL)
 
 	/* devices */