mirror of
https://github.com/holub/mame
synced 2025-07-02 00:29:37 +03:00
pf10.c: add some meat to the skeleton
This commit is contained in:
Dirk Best
parent
9af17ac6e0
commit
f2d192bac1
@ -7,7 +7,7 @@
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Battery operated portable 3.5" floppy drive
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Status: Skeleton driver, not doing much.
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Status: Needs lots of work.
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**********************************************************************/
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@ -29,12 +29,14 @@ static ADDRESS_MAP_START( cpu_mem, AS_PROGRAM, 8, epson_pf10_device )
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AM_RANGE(0x0000, 0x001f) AM_DEVREADWRITE("maincpu", hd6303y_cpu_device, m6801_io_r, m6801_io_w)
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AM_RANGE(0x0040, 0x00ff) AM_RAM /* 192 bytes internal ram */
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AM_RANGE(0x0800, 0x0fff) AM_RAM /* external 2k ram */
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AM_RANGE(0x1000, 0x17ff) AM_READWRITE(fdc_r, fdc_w)
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AM_RANGE(0x1800, 0x1fff) AM_WRITE(fdc_tc_w)
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AM_RANGE(0xe000, 0xffff) AM_ROM AM_REGION("maincpu", 0)
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( cpu_io, AS_IO, 8, epson_pf10_device )
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ADDRESS_MAP_UNMAP_HIGH
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ADDRESS_MAP_GLOBAL_MASK(0xff)
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AM_RANGE(M6801_PORT1, M6801_PORT1) AM_READWRITE(port1_r, port1_w)
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AM_RANGE(M6801_PORT2, M6801_PORT2) AM_READWRITE(port2_r, port2_w)
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ADDRESS_MAP_END
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@ -63,14 +65,17 @@ static SLOT_INTERFACE_START( pf10_floppies )
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SLOT_INTERFACE_END
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static MACHINE_CONFIG_FRAGMENT( pf10 )
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MCFG_CPU_ADD("maincpu", HD6303Y, XTAL_2_4576MHz / 4 /* ??? */) // HD63A03XF
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MCFG_CPU_ADD("maincpu", HD6303Y, XTAL_4_9152MHz) // HD63A03XF
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MCFG_CPU_PROGRAM_MAP(cpu_mem)
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MCFG_CPU_IO_MAP(cpu_io)
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MCFG_M6801_SER_TX(DEVWRITELINE(DEVICE_SELF, epson_pf10_device, hd6303_tx_w))
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MCFG_UPD765A_ADD("upd765a", false, true)
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MCFG_FLOPPY_DRIVE_ADD("upd765a:0", pf10_floppies, "smd165", floppy_image_device::default_floppy_formats)
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MCFG_EPSON_SIO_ADD("sio", NULL)
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MCFG_EPSON_SIO_RX(DEVWRITELINE(DEVICE_SELF, epson_pf10_device, rxc_w))
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MCFG_EPSON_SIO_PIN(DEVWRITELINE(DEVICE_SELF, epson_pf10_device, pinc_w))
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MACHINE_CONFIG_END
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machine_config_constructor epson_pf10_device::device_mconfig_additions() const
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@ -92,8 +97,12 @@ epson_pf10_device::epson_pf10_device(const machine_config &mconfig, const char *
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device_epson_sio_interface(mconfig, *this),
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m_cpu(*this, "maincpu"),
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m_fdc(*this, "upd765a"),
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m_sio(*this, "sio")
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m_sio_output(*this, "sio"),
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m_port1(0xff),
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m_port2(0xff),
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m_rxc(1)
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{
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m_sio_input = dynamic_cast<epson_sio_device *>(owner);
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}
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@ -103,49 +112,131 @@ epson_pf10_device::epson_pf10_device(const machine_config &mconfig, const char *
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void epson_pf10_device::device_start()
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{
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m_timer = timer_alloc(0, NULL);
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m_floppy = subdevice<floppy_connector>("upd765a:0")->get_device();
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}
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//-------------------------------------------------
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// device_reset - device-specific reset
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//-------------------------------------------------
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void epson_pf10_device::device_reset()
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{
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m_timer->adjust(attotime::zero, 0, attotime::from_hz(38400 * 8));
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}
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//-------------------------------------------------
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// tx_w
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// device_timer - handler timer events
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//-------------------------------------------------
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void epson_pf10_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
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{
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switch (id)
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{
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case 0:
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m_cpu->m6801_clock_serial();
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break;
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}
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}
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//**************************************************************************
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// CPU
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//**************************************************************************
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READ8_MEMBER( epson_pf10_device::port1_r )
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{
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logerror("%s: port1_r(%02x)\n", tag(), m_port1);
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return m_port1;
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}
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WRITE8_MEMBER( epson_pf10_device::port1_w )
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{
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logerror("%s: port1_w(%02x)\n", tag(), data);
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}
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READ8_MEMBER( epson_pf10_device::port2_r )
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{
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logerror("%s: port2_r(%02x)\n", tag(), m_port2);
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return m_port2;
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}
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WRITE8_MEMBER( epson_pf10_device::port2_w )
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{
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m_floppy->mon_w(data & PORT2_MON);
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logerror("%s: port2_w(%02x)\n", tag(), data);
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}
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READ8_MEMBER( epson_pf10_device::fdc_r )
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{
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logerror("%s: fdc_r @ %04x\n", tag(), offset);
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return 0xff;
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}
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WRITE8_MEMBER( epson_pf10_device::fdc_w )
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{
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logerror("%s: fdc_w @ %04x (%02x)\n", tag(), offset, data);
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}
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WRITE8_MEMBER( epson_pf10_device::fdc_tc_w )
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{
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logerror("%s: fdc_tc_w(%02x)\n", tag(), data);
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}
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//**************************************************************************
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// SIO INTERFACE
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//**************************************************************************
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//-------------------------------------------------
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// rxc_w - rx input
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//-------------------------------------------------
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WRITE_LINE_MEMBER( epson_pf10_device::rxc_w )
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{
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m_rxc = state;
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m_sio_input->rx_w(m_hd6303_tx & m_rxc);
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}
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//-------------------------------------------------
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// pinc_w - pin input
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//-------------------------------------------------
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WRITE_LINE_MEMBER( epson_pf10_device::pinc_w )
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{
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m_pinc = state;
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m_sio_input->pin_w(m_pinc);
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}
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//-------------------------------------------------
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// hd6303_tx_w - rx output
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//-------------------------------------------------
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WRITE_LINE_MEMBER( epson_pf10_device::hd6303_tx_w )
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{
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m_hd6303_tx = state;
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m_sio_input->rx_w(m_hd6303_tx & m_rxc);
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}
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//-------------------------------------------------
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// tx_w - tx input
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//-------------------------------------------------
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void epson_pf10_device::tx_w(int level)
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{
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logerror("%s: tx_w(%d)\n", tag(), level);
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if (level)
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m_port2 |= PORT2_RXD;
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else
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m_port2 &= ~PORT2_RXD;
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m_sio_output->tx_w(level);
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}
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//-------------------------------------------------
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// pout_w
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// pout_w - pout input
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//-------------------------------------------------
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void epson_pf10_device::pout_w(int level)
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{
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logerror("%s: pout_w(%d)\n", tag(), level);
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}
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//-------------------------------------------------
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// rx_r
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//-------------------------------------------------
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int epson_pf10_device::rx_r()
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{
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logerror("%s: rx_r\n", tag());
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return 1;
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}
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//-------------------------------------------------
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// pin_r
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//-------------------------------------------------
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int epson_pf10_device::pin_r()
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{
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logerror("%s: pin_r\n", tag());
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return 1;
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m_sio_output->pout_w(level);
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}
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@ -35,22 +35,63 @@ public:
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virtual const rom_entry *device_rom_region() const;
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virtual machine_config_constructor device_mconfig_additions() const;
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// floppy disk controller
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DECLARE_READ8_HANDLER( fdc_r );
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DECLARE_WRITE8_HANDLER( fdc_w );
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DECLARE_WRITE8_HANDLER( fdc_tc_w );
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// hd6303 i/o
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DECLARE_READ8_MEMBER( port1_r );
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DECLARE_WRITE8_MEMBER( port1_w );
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DECLARE_READ8_MEMBER( port2_r );
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DECLARE_WRITE8_MEMBER( port2_w );
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// serial output from main cpu
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DECLARE_WRITE_LINE_MEMBER( hd6303_tx_w );
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// from sio output
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DECLARE_WRITE_LINE_MEMBER( rxc_w );
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DECLARE_WRITE_LINE_MEMBER( pinc_w );
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protected:
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// device-level overrides
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virtual void device_start();
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virtual void device_reset();
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virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
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// device_epson_sio_interface overrides
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virtual int rx_r();
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virtual int pin_r();
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virtual void tx_w(int level);
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virtual void pout_w(int level);
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private:
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required_device<cpu_device> m_cpu;
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required_device<hd6303y_cpu_device> m_cpu;
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required_device<upd765a_device> m_fdc;
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required_device<epson_sio_device> m_sio;
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required_device<epson_sio_device> m_sio_output;
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epson_sio_device *m_sio_input;
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floppy_image_device *m_floppy;
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emu_timer *m_timer;
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UINT8 m_port1;
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UINT8 m_port2;
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int m_rxc;
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int m_hd6303_tx;
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int m_pinc;
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// port definitions
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enum
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{
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PORT2_SEEK = 0x01,
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PORT2_SWCOM = 0x02, // ?
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PORT2_RS232ON = 0x04, // to nmi?
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PORT2_RXD = 0x08,
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PORT2_TXD = 0x10,
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PORT2_FDCRST = 0x20,
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PORT2_MON = 0x40,
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PORT2_BATCKEN = 0x80 // ?
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};
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};
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