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(MESS) msx.c: Added support for Philips VY-0010 external floppy interface and drive (nw)

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This commit is contained in:
Wilbert Pol 2014-08-08 14:35:40 +00:00
parent b111c77251
commit 9beb4b9dc3
6 changed files with 302 additions and 0 deletions
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2
.gitattributes vendored
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@ -1015,6 +1015,8 @@ src/emu/bus/msx_cart/cartridge.c svneol=native#text/plain
src/emu/bus/msx_cart/cartridge.h svneol=native#text/plain
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/disk.c svneol=native#text/plain
src/emu/bus/msx_cart/disk.h svneol=native#text/plain
src/emu/bus/msx_cart/dooly.c svneol=native#text/plain
src/emu/bus/msx_cart/dooly.h svneol=native#text/plain
src/emu/bus/msx_cart/fmpac.c svneol=native#text/plain

19
hash/msx1_cart.xml
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@ -17109,6 +17109,25 @@ legacy FM implementations cannot find it.
</part>
</software>
<software name="vy0010">
<description>Philips VY-0010 (Floppy controller + 3.5" SS floppy drive)</description>
<year>198?</year>
<publisher>Philips</publisher>
<part name="cart" interface="msx_cart">
<feature name="slot" value="disk_vy0010" />
<dataarea name="rom" size="0x4000">
<!-- Dump contains contents of the memory mapped FDC registers -->
<!-- ROM label taken from schematic, possibly incorrect -->
<rom name="27128q25-8.ic2" size="0x4000" crc="164f5a6d" sha1="8924e3e11eb1c8c1edcb7efa63c26d2bdc142473" status="baddump" offset="0" />
</dataarea>
</part>
<!-- The package came with a copy of msx-dos -->
<!--
<part name="flop1" interface="35_disk">
</part>
-->
</software>
<!-- SORT -->
<software name="dooly">

1
src/emu/bus/bus.mak
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@ -412,6 +412,7 @@ BUSOBJS += $(BUSOBJ)/msx_cart/ascii.o
BUSOBJS += $(BUSOBJ)/msx_cart/bm_012.o
BUSOBJS += $(BUSOBJ)/msx_cart/cartridge.o
BUSOBJS += $(BUSOBJ)/msx_cart/crossblaim.o
BUSOBJS += $(BUSOBJ)/msx_cart/disk.o
BUSOBJS += $(BUSOBJ)/msx_cart/dooly.o
BUSOBJS += $(BUSOBJ)/msx_cart/fmpac.o
BUSOBJS += $(BUSOBJ)/msx_cart/halnote.o

2
src/emu/bus/msx_cart/cartridge.c
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@ -5,6 +5,7 @@
#include "ascii.h"
#include "bm_012.h"
#include "crossblaim.h"
#include "disk.h"
#include "dooly.h"
#include "fmpac.h"
#include "halnote.h"
@ -54,6 +55,7 @@ SLOT_INTERFACE_START(msx_cart)
SLOT_INTERFACE_INTERNAL("dooly", MSX_CART_DOOLY)
SLOT_INTERFACE_INTERNAL("halnote", MSX_CART_HALNOTE)
SLOT_INTERFACE_INTERNAL("arc", MSX_CART_ARC)
SLOT_INTERFACE_INTERNAL("disk_vy0010", MSX_CART_VY0010)
SLOT_INTERFACE("bm_012", MSX_CART_BM_012)
SLOT_INTERFACE_END

231
src/emu/bus/msx_cart/disk.c Normal file
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@ -0,0 +1,231 @@
/*****************************************************************************
*
* MSX Floopy drive interface add-on cartridges
*
* Currently supported:
* - Philips VY-0010 (Interface cartridge + 1 3.5" SS floppy drive)
*
****************************************************************************/
#include "emu.h"
#include "disk.h"
#include "formats/msx_dsk.h"
const device_type MSX_CART_VY0010 = &device_creator<msx_cart_vy0010>;
FLOPPY_FORMATS_MEMBER( msx_cart_vy0010::floppy_formats )
FLOPPY_MSX_FORMAT
FLOPPY_FORMATS_END
static SLOT_INTERFACE_START( msx_floppies )
SLOT_INTERFACE( "35dd", FLOPPY_35_DD )
SLOT_INTERFACE( "35ssdd", FLOPPY_35_SSDD )
SLOT_INTERFACE_END
msx_cart_vy0010::msx_cart_vy0010(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, MSX_CART_VY0010, "MSX Cartridge - VY0010", tag, owner, clock, "msx_cart_vy0010", __FILE__)
, msx_cart_interface(mconfig, *this)
, m_fdc(*this, "fdc")
, m_floppy0(*this, "fdc:0")
, m_floppy1(*this, "fdc:1")
, m_floppy(NULL)
, m_control(0)
{
}
static MACHINE_CONFIG_FRAGMENT( vy0010 )
// From VY-0010 schematic:
// HLT pulled high
// SSO/-ENMF + -DDEN + ENP + -5/8 - pulled low
// READY inverted in VY-0010 cartridge and pulled low on VY-0010/VY-0011 floppy drive
MCFG_WD2793x_ADD("fdc", XTAL_4MHz / 4)
MCFG_WD_FDC_FORCE_READY
// Single sided 3.5" floppy drive
MCFG_FLOPPY_DRIVE_ADD("fdc:0", msx_floppies, "35ssdd", msx_cart_vy0010::floppy_formats)
// Attach software lists
// We do not know in what kind of machine the user has inserted the floppy interface
// so we list all msx floppy software lists.
//
MCFG_SOFTWARE_LIST_ADD("flop_list","msx2_flop")
MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("msx1_flop_list","msx1_flop")
MACHINE_CONFIG_END
machine_config_constructor msx_cart_vy0010::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( vy0010 );
}
void msx_cart_vy0010::device_start()
{
save_item(NAME(m_side_control));
save_item(NAME(m_control));
machine().save().register_postload(save_prepost_delegate(FUNC(msx_cart_vy0010::post_load), this));
}
void msx_cart_vy0010::post_load()
{
UINT8 data = m_control;
// To make sure the FDD busy led status gets set correctly
m_control ^= 0x40;
set_control(data);
}
void msx_cart_vy0010::set_control(UINT8 data)
{
UINT8 old_m_control = m_control;
m_control = data;
switch (m_control & 0x03)
{
case 0:
case 2:
m_floppy = m_floppy0 ? m_floppy0->get_device() : NULL;
break;
case 1:
m_floppy = m_floppy1 ? m_floppy1->get_device() : NULL;
break;
default:
m_floppy = NULL;
break;
}
if (m_floppy)
{
m_floppy->mon_w((m_control & 0x80) ? 0 : 1);
m_floppy->ss_w(m_side_control & 0x01);
}
m_fdc->set_floppy(m_floppy);
if ((old_m_control ^ m_control) & 0x40)
{
set_led_status(machine(), 0, !(m_control & 0x40));
}
}
void msx_cart_vy0010::set_side_control(UINT8 data)
{
m_side_control = data;
if (m_floppy)
{
m_floppy->ss_w(m_side_control & 0x01);
}
}
void msx_cart_vy0010::device_reset()
{
m_fdc->dden_w(false);
}
void msx_cart_vy0010::initialize_cartridge()
{
if ( get_rom_size() != 0x4000 )
{
fatalerror("vy0010: Invalid ROM size\n");
}
}
READ8_MEMBER(msx_cart_vy0010::read_cart)
{
switch (offset)
{
case 0x7ff8:
case 0xbff8:
return m_fdc->status_r();
case 0x7ff9:
case 0xbff9:
return m_fdc->track_r();
case 0x7ffa:
case 0xbffa:
return m_fdc->sector_r();
case 0x7ffb:
case 0xbffb:
return m_fdc->data_r();
case 0x7ffc:
case 0xbffc:
return 0xfe | (m_side_control & 0x01);
case 0x7ffd:
case 0xbffd:
return ( m_control & 0x83 ) | 0x78;
case 0x7fff:
case 0xbfff:
return 0x3f | (m_fdc->intrq_r() ? 0 : 0x40) | (m_fdc->drq_r() ? 0 : 0x80);
}
if (offset >= 0x4000 && offset < 0x8000)
{
return get_rom_base()[offset & 0x3fff];
}
return 0xff;
}
WRITE8_MEMBER(msx_cart_vy0010::write_cart)
{
switch (offset)
{
case 0x7ff8:
case 0xbff8:
m_fdc->cmd_w(data);
break;
case 0x7ff9:
case 0xbff9:
m_fdc->track_w(data);
break;
case 0x7ffa:
case 0xbffa:
m_fdc->sector_w(data);
break;
case 0x7ffb:
case 0xbffb:
m_fdc->data_w(data);
break;
case 0x7ffc:
case 0xbffc:
set_side_control(data);
break;
case 0x7ffd:
case 0xbffd:
set_control(data);
break;
default:
logerror("msx_cart_vy0010::write_cart: Unmapped write writing %02x to %04x\n", data, offset);
break;
}
}

47
src/emu/bus/msx_cart/disk.h Normal file
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@ -0,0 +1,47 @@
#ifndef __MSX_CART_DISK_H
#define __MSX_CART_DISK_H
#include "bus/msx_cart/cartridge.h"
#include "machine/wd_fdc.h"
#include "imagedev/flopdrv.h"
#include "imagedev/floppy.h"
extern const device_type MSX_CART_VY0010;
class msx_cart_vy0010 : public device_t
, public msx_cart_interface
{
public:
msx_cart_vy0010(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// device-level overrides
virtual void device_start();
virtual void device_reset();
virtual machine_config_constructor device_mconfig_additions() const;
virtual void initialize_cartridge();
virtual DECLARE_READ8_MEMBER(read_cart);
virtual DECLARE_WRITE8_MEMBER(write_cart);
void post_load();
DECLARE_FLOPPY_FORMATS(floppy_formats);
private:
required_device<wd_fdc_analog_t> m_fdc;
required_device<floppy_connector> m_floppy0;
optional_device<floppy_connector> m_floppy1;
floppy_image_device *m_floppy;
UINT8 m_side_control;
UINT8 m_control;
void set_side_control(UINT8 data);
void set_control(UINT8 data);
};
#endif