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https://github.com/holub/mame
synced 2025-04-22 16:31:49 +03:00
(MESS) ampro : Connected up ctc, dart, and rs232.
This commit is contained in:
Robbbert
parent
11a4c2cfbe
commit
1cd195bd43
@ -16,6 +16,11 @@ of a hard drive of up to 88MB.
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Status: The system will start up into the monitor, as long as no disk
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has been mounted.
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ToDo:
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- Fix fdc so that command 0xc0 works.
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- (maybe) add scsi interface
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- Add printer
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****************************************************************************/
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#include "emu.h"
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@ -24,7 +29,7 @@ Status: The system will start up into the monitor, as long as no disk
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#include "machine/z80ctc.h"
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#include "machine/z80dart.h"
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#include "machine/terminal.h"
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//#include "machine/serial.h"
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#include "machine/serial.h"
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#include "machine/wd_fdc.h"
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@ -34,37 +39,29 @@ public:
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ampro_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag)
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, m_maincpu(*this, "maincpu")
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, m_terminal(*this, TERMINAL_TAG)
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, m_dart(*this, "z80dart")
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, m_ctc (*this, "z80ctc")
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, m_fdc (*this, "fdc")
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, m_floppy0(*this, "fdc:0")
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{ }
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DECLARE_DRIVER_INIT(ampro);
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DECLARE_MACHINE_RESET(ampro);
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DECLARE_READ8_MEMBER(port80_r);
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DECLARE_READ8_MEMBER(port84_r);
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TIMER_DEVICE_CALLBACK_MEMBER(ctc_tick);
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DECLARE_WRITE_LINE_MEMBER(ctc_z0_w);
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DECLARE_WRITE8_MEMBER(port00_w);
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DECLARE_READ8_MEMBER(io_r);
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DECLARE_WRITE8_MEMBER(io_w);
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DECLARE_WRITE8_MEMBER(kbd_put);
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private:
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UINT8 m_term_data;
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required_device<cpu_device> m_maincpu;
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required_device<generic_terminal_device> m_terminal;
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required_device<z80dart_device> m_dart;
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required_device<z80ctc_device> m_ctc;
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required_device<wd1772_t> m_fdc;
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required_device<floppy_connector> m_floppy0;
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};
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READ8_MEMBER( ampro_state::port80_r )
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{
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UINT8 ret = m_term_data;
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m_term_data = 0;
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return ret;
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}
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READ8_MEMBER( ampro_state::port84_r )
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{
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return (m_term_data) ? 5 : 4;
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}
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/*
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d0..d3 Drive select 0-3 (we only emulate 1 drive)
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d4 Side select 0=side0
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@ -86,6 +83,22 @@ WRITE8_MEMBER( ampro_state::port00_w )
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}
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}
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READ8_MEMBER( ampro_state::io_r )
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{
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if (offset < 0x40)
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return m_ctc->read(offset>>4);
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else
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return m_dart->ba_cd_r(space, offset>>2);
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}
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WRITE8_MEMBER( ampro_state::io_w )
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{
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if (offset < 0x40)
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m_ctc->write(offset>>4, data);
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else
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m_dart->ba_cd_w(space, offset>>2, data);
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}
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static ADDRESS_MAP_START(ampro_mem, AS_PROGRAM, 8, ampro_state)
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ADDRESS_MAP_UNMAP_HIGH
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AM_RANGE(0x0000, 0x0fff) AM_READ_BANK("bankr0") AM_WRITE_BANK("bankw0")
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@ -101,10 +114,7 @@ static ADDRESS_MAP_START(ampro_io, AS_IO, 8, ampro_state)
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//AM_RANGE(0x20, 0x27) AM_READWRITE() // scsi chip
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//AM_RANGE(0x28, 0x28) AM_WRITE(port28_w) // scsi control
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//AM_RANGE(0x29, 0x29) AM_READ(port29_r) // ID port
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//AM_RANGE(0x40, 0x7f) AM_READWRITE(ctc device)
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//AM_RANGE(0x80, 0x8f) AM_READWRITE(dart device)
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AM_RANGE(0x80, 0x80) AM_READ(port80_r) AM_DEVWRITE(TERMINAL_TAG, generic_terminal_device, write)
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AM_RANGE(0x84, 0x84) AM_READ(port84_r)
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AM_RANGE(0x40, 0x8f) AM_READWRITE(io_r,io_w)
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AM_RANGE(0xc0, 0xc3) AM_DEVWRITE("fdc", wd1772_t, write)
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AM_RANGE(0xc4, 0xc7) AM_DEVREAD("fdc", wd1772_t, read)
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ADDRESS_MAP_END
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@ -120,21 +130,19 @@ static Z80DART_INTERFACE( dart_intf )
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{
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0, 0, 0, 0,
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// console#3
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_DEVICE_LINE_MEMBER("rs232", serial_port_device, rx),
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DEVCB_DEVICE_LINE_MEMBER("rs232", serial_port_device, tx),
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DEVCB_DEVICE_LINE_MEMBER("rs232", rs232_port_device, dtr_w),
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DEVCB_DEVICE_LINE_MEMBER("rs232", rs232_port_device, rts_w),
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DEVCB_NULL,
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DEVCB_NULL,
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// printer
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL, // ChB in data
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DEVCB_NULL, // out data
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DEVCB_NULL, // DTR
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DEVCB_NULL, // RTS
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DEVCB_NULL, // WRDY
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DEVCB_NULL, // SYNC
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DEVCB_CPU_INPUT_LINE("maincpu", INPUT_LINE_IRQ0),
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DEVCB_NULL,
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@ -143,24 +151,38 @@ static Z80DART_INTERFACE( dart_intf )
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DEVCB_NULL
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};
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// Baud rate generator. All inputs are 2MHz.
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TIMER_DEVICE_CALLBACK_MEMBER( ampro_state::ctc_tick )
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{
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m_ctc->trg0(1);
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m_ctc->trg0(0);
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m_ctc->trg1(1);
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m_ctc->trg1(0);
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}
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WRITE_LINE_MEMBER( ampro_state::ctc_z0_w )
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{
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m_dart->rxca_w(state);
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m_dart->txca_w(state);
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}
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static Z80CTC_INTERFACE( ctc_intf )
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{
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DEVCB_CPU_INPUT_LINE("maincpu", INPUT_LINE_IRQ0), // interrupt callback
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DEVCB_NULL,//DEVCB_DEVICE_LINE_MEMBER("z80sio", z80dart_device, rxtxcb_w), /* ZC/TO0 callback - SIO Ch B */
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DEVCB_NULL,//DEVCB_DRIVER_LINE_MEMBER(altos5_state, ctc_z1_w), /* ZC/TO1 callback - Z80DART Ch A, SIO Ch A */
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DEVCB_NULL//DEVCB_DEVICE_LINE_MEMBER("z80dart", z80dart_device, rxtxcb_w), /* ZC/TO2 callback - Z80DART Ch B */
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DEVCB_DRIVER_LINE_MEMBER(ampro_state, ctc_z0_w), /* ZC/TO0 callback - Z80DART Ch A, SIO Ch A */
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DEVCB_DEVICE_LINE_MEMBER("z80dart", z80dart_device, rxtxcb_w), /* ZC/TO1 callback - SIO Ch B */
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DEVCB_NULL /* ZC/TO2 callback */
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};
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#if 0
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static const rs232_port_interface rs232_intf =
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{
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DEVCB_NULL,
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DEVCB_NULL,//DEVCB_DEVICE_LINE_MEMBER("z80sio", z80dart_device, dcdb_w),
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DEVCB_NULL,
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DEVCB_NULL,//DEVCB_DEVICE_LINE_MEMBER("z80sio", z80dart_device, rib_w),
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DEVCB_NULL //DEVCB_DEVICE_LINE_MEMBER("z80sio", z80dart_device, ctsb_w)
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL
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};
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#endif
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static SLOT_INTERFACE_START( ampro_floppies )
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SLOT_INTERFACE( "525dd", FLOPPY_525_DD )
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SLOT_INTERFACE_END
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@ -202,14 +224,11 @@ static MACHINE_CONFIG_START( ampro, ampro_state )
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MCFG_CPU_CONFIG(daisy_chain_intf)
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MCFG_MACHINE_RESET_OVERRIDE(ampro_state, ampro)
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/* video hardware */
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MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf)
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/* Devices */
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MCFG_Z80CTC_ADD( "z80ctc", XTAL_16MHz / 4, ctc_intf )
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MCFG_Z80DART_ADD("z80dart", XTAL_16MHz / 4, dart_intf )
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//MCFG_RS232_PORT_ADD("rs232", rs232_intf, default_rs232_devices, "serial_terminal")
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//MCFG_TIMER_DRIVER_ADD_PERIODIC("ctc_tick", altos5_state, ctc_tick, attotime::from_hz(XTAL_16MHz / 4))
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MCFG_RS232_PORT_ADD("rs232", rs232_intf, default_rs232_devices, "serial_terminal")
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MCFG_TIMER_DRIVER_ADD_PERIODIC("ctc_tick", ampro_state, ctc_tick, attotime::from_hz(XTAL_16MHz / 8))
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MCFG_WD1772x_ADD("fdc", XTAL_16MHz / 16)
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MCFG_FLOPPY_DRIVE_ADD("fdc:0", ampro_floppies, "525dd", floppy_image_device::default_floppy_formats)
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MACHINE_CONFIG_END
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