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(MESS) atarist: Added RS-232 and MIDI ports. [Curt Coder]

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This commit is contained in:
Curt Coder 2013-05-21 13:34:54 +00:00
parent 9f1f052429
commit 6f908511ca
2 changed files with 115 additions and 13 deletions
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109
src/mess/drivers/atarist.c
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@ -7,13 +7,11 @@
- floppy write
- floppy DMA transfer timer
- MSA disk image support
- mouse moves too fast?
- UK keyboard layout for the special keys
- accurate screen timing
- STe DMA sound and LMC1992 Microwire mixer
- Mega ST/STe MC68881 FPU
- MIDI interface
- Mega STe 16KB cache
- Mega STe LAN
@ -1728,8 +1726,10 @@ WRITE8_MEMBER( st_state::psg_pa_w )
m_fdc->set_floppy(floppy);
// request to send
m_rs232->rts_w(BIT(data, 3));
// data terminal ready
m_rs232->dtr_w(BIT(data, 4));
// centronics strobe
m_centronics->strobe_w(BIT(data, 5));
@ -1781,8 +1781,10 @@ WRITE8_MEMBER( stbook_state::psg_pa_w )
m_fdc->set_floppy(floppy);
// request to send
m_rs232->rts_w(BIT(data, 3));
// data terminal ready
m_rs232->dtr_w(BIT(data, 4));
// centronics strobe
m_centronics->strobe_w(BIT(data, 5));
@ -1857,6 +1859,16 @@ static ACIA6850_INTERFACE( stbook_acia_ikbd_intf )
// ACIA6850_INTERFACE( acia_midi_intf )
//-------------------------------------------------
READ_LINE_MEMBER( st_state::midi_rx_in )
{
return m_midi_rx_state;
}
WRITE_LINE_MEMBER( st_state::midi_tx_out )
{
m_mdout->tx(state);
}
WRITE_LINE_MEMBER( st_state::acia_midi_irq_w )
{
m_acia_midi_irq = state;
@ -1867,9 +1879,9 @@ WRITE_LINE_MEMBER( st_state::acia_midi_irq_w )
static ACIA6850_INTERFACE( acia_midi_intf )
{
Y2/64,
Y2/64,
DEVCB_NULL,
DEVCB_NULL,
0, // rx clock (we manually clock rx)
DEVCB_DRIVER_LINE_MEMBER(st_state, midi_rx_in),
DEVCB_DRIVER_LINE_MEMBER(st_state, midi_tx_out),
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
@ -1904,8 +1916,10 @@ READ8_MEMBER( st_state::mfp_gpio_r )
data |= m_centronics->busy_r();
// data carrier detect
data |= m_rs232->dcd_r() << 1;
// clear to send
data |= m_rs232->cts_r() << 2;
// blitter done
data |= m_blitter_done << 3;
@ -1917,6 +1931,7 @@ READ8_MEMBER( st_state::mfp_gpio_r )
data |= !m_fdc->intrq_r() << 5;
// ring indicator
data |= m_rs232->ri_r() << 6;
// monochrome monitor detect
data |= m_config->read() & 0x80;
@ -1942,8 +1957,8 @@ static MC68901_INTERFACE( mfp_intf )
DEVCB_NULL, /* TBO */
DEVCB_NULL, /* TCO */
DEVCB_DRIVER_LINE_MEMBER(st_state, mfp_tdo_w), /* TDO */
DEVCB_NULL, /* serial input */
DEVCB_NULL /* serial output */
DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, rx),
DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, tx)
};
@ -1974,8 +1989,10 @@ READ8_MEMBER( ste_state::mfp_gpio_r )
data |= m_centronics->busy_r();
// data carrier detect
data |= m_rs232->dcd_r() << 1;
// clear to send
data |= m_rs232->cts_r() << 2;
// blitter done
data |= m_blitter_done << 3;
@ -1987,6 +2004,7 @@ READ8_MEMBER( ste_state::mfp_gpio_r )
data |= !m_fdc->intrq_r() << 5;
// ring indicator
data |= m_rs232->ri_r() << 6;
// monochrome monitor detect, DMA sound active
data |= (m_config->read() & 0x80) ^ (m_dmasnd_active << 7);
@ -2006,8 +2024,8 @@ static MC68901_INTERFACE( atariste_mfp_intf )
DEVCB_NULL, /* TBO */
DEVCB_NULL, /* TCO */
DEVCB_DRIVER_LINE_MEMBER(st_state, mfp_tdo_w), /* TDO */
DEVCB_NULL, /* serial input */
DEVCB_NULL /* serial output */
DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, rx),
DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, tx)
};
@ -2038,8 +2056,10 @@ READ8_MEMBER( stbook_state::mfp_gpio_r )
data |= m_centronics->busy_r();
// data carrier detect
data |= m_rs232->dcd_r() << 1;
// clear to send
data |= m_rs232->cts_r() << 2;
// blitter done
data |= m_blitter_done << 3;
@ -2051,6 +2071,7 @@ READ8_MEMBER( stbook_state::mfp_gpio_r )
data |= !m_fdc->intrq_r() << 5;
// ring indicator
data |= m_rs232->ri_r() << 6;
// TODO power alarms
@ -2069,8 +2090,8 @@ static MC68901_INTERFACE( stbook_mfp_intf )
DEVCB_NULL, /* TBO */
DEVCB_NULL, /* TCO */
DEVCB_DRIVER_LINE_MEMBER(st_state, mfp_tdo_w), /* TDO */
DEVCB_NULL, /* serial input */
DEVCB_NULL /* serial output */
DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, rx),
DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, tx)
};
void st_state::fdc_intrq_w(bool state)
@ -2108,6 +2129,58 @@ static const centronics_interface centronics_intf =
};
//-------------------------------------------------
// rs232_port_interface rs232_intf
//-------------------------------------------------
static const rs232_port_interface rs232_intf =
{
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL
};
//-------------------------------------------------
// SLOT_INTERFACE( midiin_slot )
//-------------------------------------------------
static SLOT_INTERFACE_START( midiin_slot )
SLOT_INTERFACE("midiin", MIDIIN_PORT)
SLOT_INTERFACE_END
WRITE_LINE_MEMBER( st_state::midi_rx_w )
{
m_midi_rx_state = state;
for (int i = 0; i < 64; i++) // divider is set to 64
{
m_acia1->rx_clock_in();
}
}
static const serial_port_interface midiin_intf =
{
DEVCB_DRIVER_LINE_MEMBER(st_state, midi_rx_w)
};
//-------------------------------------------------
// SLOT_INTERFACE( midiout_slot )
//-------------------------------------------------
static SLOT_INTERFACE_START( midiout_slot )
SLOT_INTERFACE("midiout", MIDIOUT_PORT)
SLOT_INTERFACE_END
static const serial_port_interface midiout_intf =
{
DEVCB_NULL // midi out ports don't transmit inward
};
//**************************************************************************
// MACHINE INITIALIZATION
@ -2310,6 +2383,8 @@ static SLOT_INTERFACE_START( atari_floppies )
SLOT_INTERFACE( "35dd", FLOPPY_35_DD )
SLOT_INTERFACE_END
//**************************************************************************
// MACHINE CONFIGURATION
//**************************************************************************
@ -2350,6 +2425,9 @@ static MACHINE_CONFIG_START( st, st_state )
MCFG_FLOPPY_DRIVE_ADD(WD1772_TAG ":1", atari_floppies, 0, 0, st_state::floppy_formats)
MCFG_CENTRONICS_PRINTER_ADD(CENTRONICS_TAG, centronics_intf)
MCFG_RS232_PORT_ADD(RS232_TAG, rs232_intf, default_rs232_devices, NULL, NULL)
MCFG_SERIAL_PORT_ADD("mdin", midiin_intf, midiin_slot, "midiin", NULL)
MCFG_SERIAL_PORT_ADD("mdout", midiout_intf, midiout_slot, "midiout", NULL)
// cartridge
MCFG_CARTSLOT_ADD("cart")
@ -2402,6 +2480,9 @@ static MACHINE_CONFIG_START( megast, megast_state )
MCFG_FLOPPY_DRIVE_ADD(WD1772_TAG ":0", atari_floppies, "35dd", 0, st_state::floppy_formats)
MCFG_FLOPPY_DRIVE_ADD(WD1772_TAG ":1", atari_floppies, 0, 0, st_state::floppy_formats)
MCFG_CENTRONICS_PRINTER_ADD(CENTRONICS_TAG, centronics_intf)
MCFG_RS232_PORT_ADD(RS232_TAG, rs232_intf, default_rs232_devices, NULL, NULL)
MCFG_SERIAL_PORT_ADD("mdin", midiin_intf, midiin_slot, "midiin", NULL)
MCFG_SERIAL_PORT_ADD("mdout", midiout_intf, midiout_slot, "midiout", NULL)
MCFG_RP5C15_ADD(RP5C15_TAG, XTAL_32_768kHz, rtc_intf)
// cartridge
@ -2463,6 +2544,9 @@ static MACHINE_CONFIG_START( ste, ste_state )
MCFG_FLOPPY_DRIVE_ADD(WD1772_TAG ":0", atari_floppies, "35dd", 0, st_state::floppy_formats)
MCFG_FLOPPY_DRIVE_ADD(WD1772_TAG ":1", atari_floppies, 0, 0, st_state::floppy_formats)
MCFG_CENTRONICS_PRINTER_ADD(CENTRONICS_TAG, centronics_intf)
MCFG_RS232_PORT_ADD(RS232_TAG, rs232_intf, default_rs232_devices, NULL, NULL)
MCFG_SERIAL_PORT_ADD("mdin", midiin_intf, midiin_slot, "midiin", NULL)
MCFG_SERIAL_PORT_ADD("mdout", midiout_intf, midiout_slot, "midiout", NULL)
// cartridge
MCFG_CARTSLOT_ADD("cart")
@ -2534,6 +2618,9 @@ static MACHINE_CONFIG_START( stbook, stbook_state )
MCFG_FLOPPY_DRIVE_ADD(WD1772_TAG ":0", atari_floppies, "35dd", 0, st_state::floppy_formats)
MCFG_FLOPPY_DRIVE_ADD(WD1772_TAG ":1", atari_floppies, 0, 0, st_state::floppy_formats)
MCFG_CENTRONICS_PRINTER_ADD(CENTRONICS_TAG, centronics_intf)
MCFG_RS232_PORT_ADD(RS232_TAG, rs232_intf, default_rs232_devices, NULL, NULL)
MCFG_SERIAL_PORT_ADD("mdin", midiin_intf, midiin_slot, "midiin", NULL)
MCFG_SERIAL_PORT_ADD("mdout", midiout_intf, midiout_slot, "midiout", NULL)
// cartridge
MCFG_CARTSLOT_ADD("cart")

19
src/mess/includes/atarist.h
View File

@ -3,18 +3,20 @@
#ifndef __ATARI_ST__
#define __ATARI_ST__
#include "emu.h"
#include "cpu/m68000/m68000.h"
#include "cpu/m6800/m6800.h"
#include "imagedev/cartslot.h"
#include "machine/ram.h"
#include "machine/6850acia.h"
#include "machine/8530scc.h"
#include "machine/ctronics.h"
#include "machine/mc68901.h"
#include "machine/midiinport.h"
#include "machine/midioutport.h"
#include "machine/ram.h"
#include "machine/rescap.h"
#include "machine/rp5c15.h"
#include "machine/serial.h"
#include "machine/wd_fdc.h"
#include "sound/ay8910.h"
#include "sound/lmc1992.h"
@ -75,8 +77,11 @@ public:
m_maincpu(*this, M68000_TAG),
m_fdc(*this, WD1772_TAG),
m_mfp(*this, MC68901_TAG),
m_acia1(*this, MC6850_1_TAG),
m_centronics(*this, CENTRONICS_TAG),
m_ram(*this, RAM_TAG),
m_rs232(*this, RS232_TAG),
m_mdout(*this, "mdout"),
m_p31(*this, "P31"),
m_p32(*this, "P32"),
m_p33(*this, "P33"),
@ -110,8 +115,11 @@ public:
required_device<cpu_device> m_maincpu;
required_device<wd1772_t> m_fdc;
required_device<mc68901_device> m_mfp;
required_device<acia6850_device> m_acia1;
required_device<centronics_device> m_centronics;
required_device<ram_device> m_ram;
required_device<rs232_port_device> m_rs232;
required_device<serial_port_device> m_mdout;
required_ioport m_p31;
required_ioport m_p32;
required_ioport m_p33;
@ -216,11 +224,15 @@ public:
DECLARE_READ_LINE_MEMBER( ikbd_rx_r );
DECLARE_WRITE_LINE_MEMBER( ikbd_tx_w );
DECLARE_WRITE_LINE_MEMBER( acia_ikbd_irq_w );
DECLARE_READ_LINE_MEMBER( midi_rx_in );
DECLARE_WRITE_LINE_MEMBER( midi_tx_out );
DECLARE_WRITE_LINE_MEMBER( acia_midi_irq_w );
DECLARE_READ8_MEMBER( mfp_gpio_r );
DECLARE_WRITE_LINE_MEMBER( mfp_tdo_w );
DECLARE_WRITE_LINE_MEMBER( midi_rx_w );
void toggle_dma_fifo();
void flush_dma_fifo();
void fill_dma_fifo();
@ -232,6 +244,9 @@ public:
/* memory state */
UINT8 m_mmu;
// MIDI state
int m_midi_rx_state;
/* keyboard state */
int m_acia_ikbd_irq;
int m_acia_midi_irq;