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/**********************************************************************
CMD FD-2000/FD-4000 disk drive emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
/*
TODO:
- IEC
- VIA
- D1M/D2M/D4M image format (http://ist.uwaterloo.ca/~schepers/formats/D2M-DNP.TXT)
*/
#include "fd2000.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define M6502_TAG "m6502"
#define M6522_TAG "m6522"
#define DP8473_TAG "dp8473"
#define PC8477AV1_TAG "pc8477av1"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
const device_type FD2000 = &device_creator<fd2000_device>;
const device_type FD4000 = &device_creator<fd4000_device>;
//-------------------------------------------------
// ROM( fd2000 )
//-------------------------------------------------
ROM_START( fd2000 )
ROM_REGION( 0x8000, M6502_TAG, 0 )
ROM_DEFAULT_BIOS( "v140" )
ROM_SYSTEM_BIOS( 0, "v134", "Version 1.34" )
ROMX_LOAD( "cmd fd-2000 dos v1.34 fd-350026.bin", 0x0000, 0x8000, CRC(859a5edc) SHA1(487fa82a7977e5208d5088f3580f34e8c89560d1), ROM_BIOS(1) )
ROM_SYSTEM_BIOS( 1, "v140", "Version 1.40" )
ROMX_LOAD( "cmd fd-2000 dos v1.40 cs 33cc6f.bin", 0x0000, 0x8000, CRC(4e6ca15c) SHA1(0c61ba58269baf2b8aadf3bbc4648c7a5a6d2128), ROM_BIOS(2) )
ROM_END
//-------------------------------------------------
// ROM( fd4000 )
//-------------------------------------------------
ROM_START( fd4000 )
ROM_REGION( 0x8000, M6502_TAG, 0 )
ROM_DEFAULT_BIOS( "v140" )
ROM_SYSTEM_BIOS( 0, "v134", "Version 1.34" )
ROMX_LOAD( "cmd fd-4000 dos v1.34 fd-350022.bin", 0x0000, 0x8000, CRC(1f4820c1) SHA1(7a2966662e7840fd9377549727ccba62e4349c6f), ROM_BIOS(1) )
ROM_SYSTEM_BIOS( 1, "v140", "Version 1.40" )
ROMX_LOAD( "cmd fd-4000 dos v1.40 fd-350022.bin", 0x0000, 0x8000, CRC(b563ef10) SHA1(d936d76fd8b50ce4c65f885703653d7c1bd7d3c9), ROM_BIOS(2) )
ROM_END
//-------------------------------------------------
// rom_region - device-specific ROM region
//-------------------------------------------------
const rom_entry *fd2000_device::device_rom_region() const
{
switch (m_variant)
{
default:
return ROM_NAME( fd2000 );
case TYPE_FD4000:
return ROM_NAME( fd4000 );
}
}
//-------------------------------------------------
// ADDRESS_MAP( fd2000_mem )
//-------------------------------------------------
static ADDRESS_MAP_START( fd2000_mem, AS_PROGRAM, 8, fd2000_device )
AM_RANGE(0x0000, 0x3fff) AM_RAM
AM_RANGE(0x4000, 0x400f) AM_MIRROR(0xbf0) AM_DEVREADWRITE(M6522_TAG, via6522_device, read, write)
AM_RANGE(0x4e00, 0x4e07) AM_MIRROR(0x1f8) AM_DEVICE(DP8473_TAG, upd765a_device, map)
AM_RANGE(0x5000, 0x7fff) AM_RAM
AM_RANGE(0x8000, 0xffff) AM_ROM AM_REGION(M6502_TAG, 0)
ADDRESS_MAP_END
//-------------------------------------------------
// via6522_interface via1_intf
//-------------------------------------------------
static const via6522_interface via_intf =
{
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL
};
static SLOT_INTERFACE_START( fd2000_floppies )
SLOT_INTERFACE( "35hd", FLOPPY_35_HD )
SLOT_INTERFACE_END
static SLOT_INTERFACE_START( fd4000_floppies )
SLOT_INTERFACE( "35ed", FLOPPY_35_ED )
SLOT_INTERFACE_END
/*
FLOPPY_FORMATS_MEMBER( fd2000_device::floppy_formats )
FLOPPY_D81_FORMAT
FLOPPY_D2M_FORMAT
FLOPPY_FORMATS_END
*/
//-------------------------------------------------
// MACHINE_DRIVER( fd2000 )
//-------------------------------------------------
static MACHINE_CONFIG_FRAGMENT( fd2000 )
MCFG_CPU_ADD(M6502_TAG, M65C02, 2000000)
MCFG_CPU_PROGRAM_MAP(fd2000_mem)
MCFG_VIA6522_ADD(M6522_TAG, 2000000, via_intf)
MCFG_UPD765A_ADD(DP8473_TAG, true, true)
MCFG_FLOPPY_DRIVE_ADD(DP8473_TAG":0", fd2000_floppies, "35hd", 0, floppy_image_device::default_floppy_formats)//fd2000_device::floppy_formats)
MACHINE_CONFIG_END
//-------------------------------------------------
// MACHINE_DRIVER( fd4000 )
//-------------------------------------------------
static MACHINE_CONFIG_FRAGMENT( fd4000 )
MCFG_CPU_ADD(M6502_TAG, M65C02, 2000000)
MCFG_CPU_PROGRAM_MAP(fd2000_mem)
MCFG_VIA6522_ADD(M6522_TAG, 2000000, via_intf)
MCFG_UPD765A_ADD(DP8473_TAG, true, true)
MCFG_FLOPPY_DRIVE_ADD(DP8473_TAG":0", fd4000_floppies, "35ed", 0, floppy_image_device::default_floppy_formats)//fd2000_device::floppy_formats)
MACHINE_CONFIG_END
//-------------------------------------------------
// machine_config_additions - device-specific
// machine configurations
//-------------------------------------------------
machine_config_constructor fd2000_device::device_mconfig_additions() const
{
switch (m_variant)
{
default:
return MACHINE_CONFIG_NAME( fd2000 );
case TYPE_FD4000:
return MACHINE_CONFIG_NAME( fd4000 );
}
}
//-------------------------------------------------
// device_config_complete - perform any
// operations now that the configuration is
// complete
//-------------------------------------------------
void fd2000_device::device_config_complete()
{
switch (m_variant)
{
default:
m_shortname = "fd2000";
break;
case TYPE_FD4000:
m_shortname = "fd4000";
break;
}
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// fd2000_device - constructor
//-------------------------------------------------
fd2000_device::fd2000_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, FD2000, "FD-2000", tag, owner, clock),
device_cbm_iec_interface(mconfig, *this),
m_maincpu(*this, M6502_TAG),
m_floppy0(*this, DP8473_TAG":0"),
m_variant(TYPE_FD2000)
{
}
fd2000_device::fd2000_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT32 variant)
: device_t(mconfig, type, name, tag, owner, clock),
device_cbm_iec_interface(mconfig, *this),
m_maincpu(*this, M6502_TAG),
m_floppy0(*this, DP8473_TAG":0")
{
}
//-------------------------------------------------
// fd4000_device - constructor
//-------------------------------------------------
fd4000_device::fd4000_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: fd2000_device(mconfig, FD4000, "FD-4000", tag, owner, clock, TYPE_FD4000) { }
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void fd2000_device::device_start()
{
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void fd2000_device::device_reset()
{
}
//-------------------------------------------------
// cbm_iec_srq -
//-------------------------------------------------
void fd2000_device::cbm_iec_srq(int state)
{
}
//-------------------------------------------------
// cbm_iec_atn -
//-------------------------------------------------
void fd2000_device::cbm_iec_atn(int state)
{
}
//-------------------------------------------------
// cbm_iec_data -
//-------------------------------------------------
void fd2000_device::cbm_iec_data(int state)
{
}
//-------------------------------------------------
// cbm_iec_reset -
//-------------------------------------------------
void fd2000_device::cbm_iec_reset(int state)
{
if (!state)
{
device_reset();
}
}
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