diff options
author | Robbbert <Robbbert@users.noreply.github.com> | 2016-07-30 00:40:18 +1000 |
---|---|---|
committer | Robbbert <Robbbert@users.noreply.github.com> | 2016-07-30 00:40:18 +1000 |
commit | 4bee2c4f1f76dbea55bf03b9e3f4f95860ed8411 (patch) | |
tree | 38bc2e97dedf3ed101e66ca592ffe9ea8d643347 | |
parent | 9171fa4d8f509b559f0a22ea6d4dc69a5da93e37 (diff) |
DMAX8000: Added more devices (nw)
-rw-r--r-- | src/mame/drivers/dmax8000.cpp | 186 |
1 files changed, 99 insertions, 87 deletions
diff --git a/src/mame/drivers/dmax8000.cpp b/src/mame/drivers/dmax8000.cpp index 66a107f7305..ccac1b46b78 100644 --- a/src/mame/drivers/dmax8000.cpp +++ b/src/mame/drivers/dmax8000.cpp @@ -13,9 +13,12 @@ There were a bunch of optional extras such as 256kB RAM, numeric coprocessor, RT ToDo: -- Everything... there are partial schematics, but there's still a lot of guesswork. - +- Parallel port +- Centronics port +- AUX serial port +- FDC/FDD/HD setup - no schematics available of this section, so guessing... +What there is of the schematic shows no sign of a daisy chain or associated interrupts. ****************************************************************************************************************/ @@ -27,7 +30,9 @@ ToDo: #include "machine/z80pio.h" #include "machine/z80dart.h" #include "machine/z80ctc.h" -#include "machine/terminal.h" +#include "machine/mm58274c.h" +#include "bus/rs232/rs232.h" +#include "machine/clock.h" @@ -37,43 +42,66 @@ public: dmax8000_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") - , m_terminal(*this, "terminal") + , m_dart1(*this, "dart1") + , m_dart2(*this, "dart2") + , m_ctc (*this, "ctc") , m_fdc(*this, "fdc") + , m_floppy0(*this, "fdc:0") { } DECLARE_DRIVER_INIT(dmax8000); DECLARE_MACHINE_RESET(dmax8000); - DECLARE_READ8_MEMBER(port80_r); - DECLARE_READ8_MEMBER(port81_r); + DECLARE_WRITE8_MEMBER(port0c_w); + DECLARE_WRITE8_MEMBER(port0d_w); + DECLARE_WRITE8_MEMBER(port14_w); DECLARE_WRITE8_MEMBER(port40_w); - DECLARE_WRITE8_MEMBER(kbd_put); DECLARE_WRITE_LINE_MEMBER(ctc_z0_w); - DECLARE_WRITE_LINE_MEMBER(ctc_z1_w); - DECLARE_WRITE_LINE_MEMBER(ctc_z2_w); + WRITE_LINE_MEMBER(fdc_drq_w); + WRITE_LINE_MEMBER(clock_w); + private: - UINT8 m_term_data; required_device<cpu_device> m_maincpu; - required_device<generic_terminal_device> m_terminal; + required_device<z80dart_device> m_dart1; + required_device<z80dart_device> m_dart2; + required_device<z80ctc_device> m_ctc; required_device<fd1793_t> m_fdc; + required_device<floppy_connector> m_floppy0; }; -WRITE8_MEMBER( dmax8000_state::port40_w ) +WRITE_LINE_MEMBER( dmax8000_state::fdc_drq_w ) { - membank("bankr0")->set_entry(BIT(data, 0)); + if (state) printf("DRQ "); +} + +WRITE8_MEMBER( dmax8000_state::port0c_w ) +{ + printf("Port0c=%X\n", data); + m_fdc->dden_w(BIT(data, 6)); + floppy_image_device *floppy = nullptr; + if (BIT(data, 0)) floppy = m_floppy0->get_device(); + m_fdc->set_floppy(floppy); + if (floppy) + { + floppy->mon_w(0); + floppy->ss_w(0); // no idea + } +} + +WRITE8_MEMBER( dmax8000_state::port0d_w ) +{ + printf("Port0d=%X\n", data); } -READ8_MEMBER( dmax8000_state::port80_r ) +WRITE8_MEMBER( dmax8000_state::port14_w ) { - UINT8 ret = m_term_data; - m_term_data = 0; - return ret; + printf("Port14=%X\n", data); } -READ8_MEMBER( dmax8000_state::port81_r ) +WRITE8_MEMBER( dmax8000_state::port40_w ) { - return (m_term_data) ? 13 : 12; + membank("bankr0")->set_entry(BIT(data, 0)); } static ADDRESS_MAP_START(dmax8000_mem, AS_PROGRAM, 8, dmax8000_state) @@ -85,58 +113,29 @@ static ADDRESS_MAP_START(dmax8000_io, AS_IO, 8, dmax8000_state) ADDRESS_MAP_GLOBAL_MASK(0xff) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("fdc", fd1793_t, read, write) - //AM_RANGE(0x04, 0x07) AM_DEVREADWRITE("dart1", z80dart_device, ba_cd_r, ba_cd_w) + AM_RANGE(0x04, 0x07) AM_DEVREADWRITE("dart1", z80dart_device, ba_cd_r, ba_cd_w) AM_RANGE(0x08, 0x0b) AM_DEVREADWRITE("ctc", z80ctc_device, read, write) - AM_RANGE(0x0c, 0x0f) AM_DEVREADWRITE("pio1", z80pio_device, read, write) - AM_RANGE(0x10, 0x13) AM_DEVREADWRITE("pio2", z80pio_device, read, write) - //AM_RANGE(0x14, 0x17) AM_WRITE(port14_r) - //AM_RANGE(0x18, 0x19) AM_MIRROR(2) AM_DEVREADWRITE("am9512", am9512_device, read, write) // optional numeric coprocessor + AM_RANGE(0x0c, 0x0f) AM_DEVREADWRITE("pio1", z80pio_device, read, write) // fdd controls + AM_RANGE(0x10, 0x13) AM_DEVREADWRITE("pio2", z80pio_device, read, write) // centronics & parallel ports + AM_RANGE(0x14, 0x17) AM_WRITE(port14_w) // control lines for the centronics & parallel ports + //AM_RANGE(0x18, 0x19) AM_MIRROR(2) AM_DEVREADWRITE("am9511", am9512_device, read, write) // optional numeric coprocessor //AM_RANGE(0x1c, 0x1d) AM_MIRROR(2) // optional hard disk controller (1C=status, 1D=data) AM_RANGE(0x20, 0x23) AM_DEVREADWRITE("dart2", z80dart_device, ba_cd_r, ba_cd_w) AM_RANGE(0x40, 0x40) AM_WRITE(port40_w) // memory bank control //AM_RANGE(0x60, 0x67) // optional IEEE488 GPIB - //AM_RANGE(0x70, 0x7f) AM_DEVREADWRITE("rtc", mm58274c_device, read, write) // optional RTC - AM_RANGE(0x04, 0x04) AM_READ(port80_r) AM_DEVWRITE("terminal", generic_terminal_device, write) - AM_RANGE(0x05, 0x05) AM_READ(port81_r) + AM_RANGE(0x70, 0x7f) AM_DEVREADWRITE("rtc", mm58274c_device, read, write) // optional RTC ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( dmax8000 ) INPUT_PORTS_END -/* Z80 Daisy Chain */ - -// order unknown -static const z80_daisy_config daisy_chain[] = -{ - { "pio1" }, - { "pio2" }, - { "dart1" }, - { "dart2" }, - { "ctc" }, - { nullptr } -}; - -/* Z80-CTC Interface */ - -WRITE_LINE_MEMBER( dmax8000_state::ctc_z0_w ) -{ -// guess this generates clock for z80dart -} - -WRITE_LINE_MEMBER( dmax8000_state::ctc_z1_w ) -{ -} - -WRITE_LINE_MEMBER( dmax8000_state::ctc_z2_w ) -{ -} - -/* after the first 4 bytes have been read from ROM, switch the ram back in */ MACHINE_RESET_MEMBER( dmax8000_state, dmax8000 ) { membank("bankr0")->set_entry(0); // point at rom membank("bankw0")->set_entry(0); // always write to ram + m_maincpu->reset(); + m_maincpu->set_input_line_vector(0, 0xee); // fdc vector } DRIVER_INIT_MEMBER( dmax8000_state, dmax8000 ) @@ -148,56 +147,69 @@ DRIVER_INIT_MEMBER( dmax8000_state, dmax8000 ) membank("bankw0")->configure_entry(0, &main[0x0000]); } -static SLOT_INTERFACE_START( floppies ) - SLOT_INTERFACE( "drive0", FLOPPY_8_DSDD ) -SLOT_INTERFACE_END +// Baud rate generator. All inputs are 2MHz. +DECLARE_WRITE_LINE_MEMBER( dmax8000_state::clock_w ) +{ + m_ctc->trg0(state); + m_ctc->trg1(state); + m_ctc->trg2(state); +} -WRITE8_MEMBER( dmax8000_state::kbd_put ) +WRITE_LINE_MEMBER( dmax8000_state::ctc_z0_w ) { - m_term_data = data; + m_dart1->rxca_w(state); + m_dart1->txca_w(state); + m_dart2->rxca_w(state); + m_dart2->txca_w(state); } +static SLOT_INTERFACE_START( floppies ) + SLOT_INTERFACE( "drive0", FLOPPY_8_DSDD ) +SLOT_INTERFACE_END + static MACHINE_CONFIG_START( dmax8000, dmax8000_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", Z80, XTAL_4MHz ) // no idea what crystal is used, but 4MHz clock is confirmed MCFG_CPU_PROGRAM_MAP(dmax8000_mem) MCFG_CPU_IO_MAP(dmax8000_io) - MCFG_Z80_DAISY_CHAIN(daisy_chain) MCFG_MACHINE_RESET_OVERRIDE(dmax8000_state, dmax8000) - MCFG_DEVICE_ADD("terminal", GENERIC_TERMINAL, 0) - MCFG_GENERIC_TERMINAL_KEYBOARD_CB(WRITE8(dmax8000_state, kbd_put)) + MCFG_DEVICE_ADD("ctc_clock", CLOCK, XTAL_4MHz / 2) // 2MHz + MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(dmax8000_state, clock_w)) MCFG_DEVICE_ADD("ctc", Z80CTC, XTAL_4MHz) - MCFG_Z80CTC_INTR_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) MCFG_Z80CTC_ZC0_CB(WRITELINE(dmax8000_state, ctc_z0_w)) - MCFG_Z80CTC_ZC1_CB(WRITELINE(dmax8000_state, ctc_z1_w)) - MCFG_Z80CTC_ZC2_CB(WRITELINE(dmax8000_state, ctc_z2_w)) - - MCFG_Z80DART_ADD("dart1", XTAL_4MHz, 0, 0, 0, 0 ) - //MCFG_Z80DART_OUT_TXDA_CB(DEVWRITELINE("rs232", rs232_port_device, write_txd)) - //MCFG_Z80DART_OUT_DTRA_CB(DEVWRITELINE("rs232", rs232_port_device, write_dtr)) - //MCFG_Z80DART_OUT_RTSA_CB(DEVWRITELINE("rs232", rs232_port_device, write_rts)) - MCFG_Z80DART_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) - //MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, "terminal") - //MCFG_RS232_RXD_HANDLER(DEVWRITELINE("uart", z80dart_device, write_rxd)) - //MCFG_RS232_DSR_HANDLER(DEVWRITELINE("uart", z80dart_device, write_dsr)) - //MCFG_RS232_CTS_HANDLER(DEVWRITELINE("uart", z80dart_device, write_cts)) - //MCFG_DEVICE_CARD_DEVICE_INPUT_DEFAULTS("terminal", dmax8000 ) - - MCFG_Z80DART_ADD("dart2", XTAL_4MHz, 0, 0, 0, 0 ) - MCFG_Z80DART_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) + MCFG_Z80CTC_ZC1_CB(DEVWRITELINE("dart2", z80dart_device, rxtxcb_w)) + MCFG_Z80CTC_ZC2_CB(DEVWRITELINE("dart1", z80dart_device, rxtxcb_w)) + + MCFG_Z80DART_ADD("dart1", XTAL_4MHz, 0, 0, 0, 0 ) // A = terminal; B = aux + MCFG_Z80DART_OUT_TXDA_CB(DEVWRITELINE("rs232", rs232_port_device, write_txd)) + MCFG_Z80DART_OUT_DTRA_CB(DEVWRITELINE("rs232", rs232_port_device, write_dtr)) + MCFG_Z80DART_OUT_RTSA_CB(DEVWRITELINE("rs232", rs232_port_device, write_rts)) + MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, "terminal") + MCFG_RS232_RXD_HANDLER(DEVWRITELINE("dart1", z80dart_device, rxa_w)) + MCFG_RS232_DCD_HANDLER(DEVWRITELINE("dart1", z80dart_device, dcda_w)) + MCFG_RS232_RI_HANDLER(DEVWRITELINE("dart1", z80dart_device, ria_w)) + MCFG_RS232_CTS_HANDLER(DEVWRITELINE("dart1", z80dart_device, ctsa_w)) + + MCFG_Z80DART_ADD("dart2", XTAL_4MHz, 0, 0, 0, 0 ) // RS232 ports MCFG_DEVICE_ADD("pio1", Z80PIO, XTAL_4MHz) - MCFG_Z80PIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) + MCFG_Z80PIO_OUT_PA_CB(WRITE8(dmax8000_state, port0c_w)) + MCFG_Z80PIO_OUT_PB_CB(WRITE8(dmax8000_state, port0d_w)) + MCFG_DEVICE_ADD("pio2", Z80PIO, XTAL_4MHz) - MCFG_Z80PIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) - MCFG_FD1793_ADD("fdc", XTAL_2MHz) - //MCFG_WD_FDC_INTRQ_CALLBACK(WRITELINE(dmax8000_state, fdc_intrq_w)) - //MCFG_WD_FDC_DRQ_CALLBACK(WRITELINE(dmax8000_state, fdc_drq_w)) + MCFG_FD1793_ADD("fdc", XTAL_2MHz) // no idea + MCFG_WD_FDC_INTRQ_CALLBACK(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) + MCFG_WD_FDC_DRQ_CALLBACK(WRITELINE(dmax8000_state, fdc_drq_w)) MCFG_FLOPPY_DRIVE_ADD("fdc:0", floppies, "drive0", floppy_image_device::default_floppy_formats) MCFG_FLOPPY_DRIVE_SOUND(true) + + MCFG_DEVICE_ADD("rtc", MM58274C, 0) // MM58174 + // this is all guess + MCFG_MM58274C_MODE24(0) // 12 hour + MCFG_MM58274C_DAY1(1) // monday MACHINE_CONFIG_END @@ -211,4 +223,4 @@ ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ -COMP( 1981, dmax8000, 0, 0, dmax8000, dmax8000, dmax8000_state, dmax8000, "Datamax", "Datamax 8000", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW) +COMP( 1981, dmax8000, 0, 0, dmax8000, dmax8000, dmax8000_state, dmax8000, "Datamax", "Datamax 8000", MACHINE_NOT_WORKING ) |