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/***************************************************************************
Morrow Designs Micro Decision
10/12/2009 Skeleton driver.
****************************************************************************/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "machine/upd765.h"
#include "imagedev/flopdrv.h"
#include "machine/terminal.h"
class microdec_state : public driver_device
{
public:
microdec_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_terminal(*this, TERMINAL_TAG) { }
DECLARE_READ8_MEMBER(terminal_status_r);
DECLARE_READ8_MEMBER(terminal_r);
DECLARE_WRITE8_MEMBER(kbd_put);
DECLARE_WRITE_LINE_MEMBER(microdec_irq_w);
UINT8 m_term_data;
required_device<generic_terminal_device> m_terminal;
virtual void machine_reset();
};
READ8_MEMBER( microdec_state::terminal_status_r )
{
return (m_term_data) ? 3 : 1;
}
READ8_MEMBER( microdec_state::terminal_r )
{
UINT8 ret = m_term_data;
m_term_data = 0;
return ret;
}
static ADDRESS_MAP_START(microdec_mem, AS_PROGRAM, 8, microdec_state)
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE( 0x0000, 0x0fff ) AM_ROM
AM_RANGE( 0x1000, 0xffff ) AM_RAM
ADDRESS_MAP_END
static ADDRESS_MAP_START(microdec_io, AS_IO, 8, microdec_state)
ADDRESS_MAP_UNMAP_HIGH
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0xfa, 0xfa) AM_DEVREAD_LEGACY("upd765", upd765_status_r)
AM_RANGE(0xfb, 0xfb) AM_DEVREADWRITE_LEGACY("upd765", upd765_data_r, upd765_data_w)
AM_RANGE(0xfc, 0xfc) AM_READ(terminal_r) AM_DEVWRITE(TERMINAL_TAG, generic_terminal_device, write)
AM_RANGE(0xfd, 0xfd) AM_READ(terminal_status_r)
ADDRESS_MAP_END
/* Input ports */
static INPUT_PORTS_START( microdec )
INPUT_PORTS_END
void microdec_state::machine_reset()
{
m_term_data = 0;
}
WRITE8_MEMBER( microdec_state::kbd_put )
{
m_term_data = data;
}
static GENERIC_TERMINAL_INTERFACE( terminal_intf )
{
DEVCB_DRIVER_MEMBER(microdec_state, kbd_put)
};
WRITE_LINE_MEMBER( microdec_state::microdec_irq_w )
{
}
static const struct upd765_interface microdec_upd765_interface =
{
DEVCB_DRIVER_LINE_MEMBER(microdec_state, microdec_irq_w), /* interrupt */
DEVCB_NULL, /* DMA request */
NULL, /* image lookup */
UPD765_RDY_PIN_CONNECTED, /* ready pin */
{FLOPPY_0,FLOPPY_1, NULL, NULL}
};
static const floppy_interface microdec_floppy_interface =
{
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
FLOPPY_STANDARD_5_25_DSHD,
LEGACY_FLOPPY_OPTIONS_NAME(default),
NULL,
NULL
};
static MACHINE_CONFIG_START( microdec, microdec_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz)
MCFG_CPU_PROGRAM_MAP(microdec_mem)
MCFG_CPU_IO_MAP(microdec_io)
/* video hardware */
MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf)
MCFG_UPD765A_ADD("upd765", microdec_upd765_interface)
MCFG_LEGACY_FLOPPY_2_DRIVES_ADD(microdec_floppy_interface)
MACHINE_CONFIG_END
/* ROM definition */
ROM_START( md2 )
ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
ROM_SYSTEM_BIOS( 0, "v13", "v1.3" )
ROMX_LOAD( "md2-13.bin", 0x0000, 0x0800, CRC(43f4c9ab) SHA1(48a35cbee4f341310e9cba5178c3fd6e74ef9748), ROM_BIOS(1))
ROM_SYSTEM_BIOS( 1, "v13a", "v1.3a" )
ROMX_LOAD( "md2-13a.bin", 0x0000, 0x0800, CRC(d7fcddfd) SHA1(cae29232b737ebb36a27b8ad17bc69e9968f1309), ROM_BIOS(2))
ROM_SYSTEM_BIOS( 2, "v13b", "v1.3b" )
ROMX_LOAD( "md2-13b.bin", 0x0000, 0x1000, CRC(a8b96835) SHA1(c6b111939aa7e725da507da1915604656540b24e), ROM_BIOS(3))
ROM_SYSTEM_BIOS( 3, "v20", "v2.0" )
ROMX_LOAD( "md2-20.bin", 0x0000, 0x1000, CRC(a604735c) SHA1(db6e6e82a803f5cbf4f628f5778a93ae3e211fe1), ROM_BIOS(4))
ROM_SYSTEM_BIOS( 4, "v23", "v2.3" )
ROMX_LOAD( "md2-23.bin", 0x0000, 0x1000, CRC(49bae273) SHA1(00381a226fe250aa3636b0b740df0af63efb0d18), ROM_BIOS(5))
ROM_END
ROM_START( md3 )
ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
ROM_SYSTEM_BIOS( 0, "v23a", "v2.3a" )
ROMX_LOAD( "md3-23a.bin", 0x0000, 0x1000, CRC(95d59980) SHA1(ae65a8e8e2823cf4cf6b1d74c0996248e290e9f1), ROM_BIOS(1))
ROM_SYSTEM_BIOS( 1, "v25", "v2.5" )
ROMX_LOAD( "md3-25.bin", 0x0000, 0x1000, CRC(14f86bc5) SHA1(82fe022c85f678744bb0340ca3f88b18901fdfcb), ROM_BIOS(2))
ROM_SYSTEM_BIOS( 2, "v31", "v3.1" )
ROMX_LOAD( "md3-31.bin", 0x0000, 0x1000, CRC(bd4014f6) SHA1(5b33220af34c64676756177db4915f97840b2996), ROM_BIOS(3))
ROM_END
/* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
COMP( 1982, md2, 0, 0, microdec, microdec, driver_device, 0, "Morrow Designs", "Micro Decision MD-2",GAME_NOT_WORKING | GAME_NO_SOUND)
COMP( 1982, md3, md2, 0, microdec, microdec, driver_device, 0, "Morrow Designs", "Micro Decision MD-3",GAME_NOT_WORKING | GAME_NO_SOUND)
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