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Diffstat (limited to 'src/mame/drivers/dms86.cpp')
-rw-r--r-- | src/mame/drivers/dms86.cpp | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/src/mame/drivers/dms86.cpp b/src/mame/drivers/dms86.cpp deleted file mode 100644 index cf73988e327..00000000000 --- a/src/mame/drivers/dms86.cpp +++ /dev/null @@ -1,191 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Robbbert -/*************************************************************************** - - Digital Microsystems DMS-86 - - 11/01/2010 Skeleton driver. - -Monitor commands: -A Display incoming terminal data in hex -B boot to HiNet -C copy memory -D dump memory to screen -F fill memory -G go (eg G address [breakpoint]) -I in port -M memory test -O out port (e.g. O 84 77) -P set segment -S write a byte to memory -T type ascii string into the address set by D or S -X display registers -? help -: load intel hex format file - - -Note that bit 3 of port 82 is tested at boot. If low, the computer bypasses -the monitor and goes straight to "Joining HiNet". - -****************************************************************************/ - -#include "emu.h" -#include "cpu/i86/i86.h" -#include "machine/z80ctc.h" -#include "machine/z80sio.h" -#include "machine/clock.h" -#include "bus/rs232/rs232.h" -#include "machine/terminal.h" - - -class dms86_state : public driver_device -{ -public: - dms86_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_sio(*this, "sio%u", 1U) - , m_ctc(*this, "ctc") - { } - - void dms86(machine_config &config); - - DECLARE_WRITE_LINE_MEMBER(nmi_w); - -private: - DECLARE_WRITE8_MEMBER(m1_ack_w); - - DECLARE_READ16_MEMBER(port9a_r); - DECLARE_READ16_MEMBER(port9c_r); - void kbd_put(u8 data); - - void io_map(address_map &map); - void mem_map(address_map &map); - - u8 m_term_data; - virtual void machine_reset() override; - required_device<cpu_device> m_maincpu; - required_device<generic_terminal_device> m_terminal; - required_device_array<z80sio_device, 2> m_sio; - required_device<z80ctc_device> m_ctc; -}; - - -WRITE_LINE_MEMBER(dms86_state::nmi_w) -{ - m_maincpu->set_input_line(INPUT_LINE_NMI, state); -} - - -WRITE8_MEMBER(dms86_state::m1_ack_w) -{ - m_sio[0]->z80daisy_decode(data); - m_sio[1]->z80daisy_decode(data); - m_ctc->z80daisy_decode(data); -} - - -READ16_MEMBER(dms86_state::port9a_r) -{ - return m_term_data ? 0x40 : 0; -} - -READ16_MEMBER(dms86_state::port9c_r) -{ - uint8_t ret = m_term_data; - m_term_data = 0; - return ret; -} - - -void dms86_state::mem_map(address_map &map) -{ - map.unmap_value_high(); - map(0x00000, 0x1ffff).ram(); - map(0xfe000, 0xfffff).rom().region("roms", 0); - map(0xfed03, 0xfed03).w(FUNC(dms86_state::m1_ack_w)); -} - -void dms86_state::io_map(address_map &map) -{ - map.unmap_value_high(); - map.global_mask(0xff); - map(0x80, 0x87).rw(m_sio[0], FUNC(z80sio_device::ba_cd_r), FUNC(z80sio_device::ba_cd_w)).umask16(0x00ff); - map(0x88, 0x8f).rw(m_ctc, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)).umask16(0x00ff); - map(0x90, 0x97).rw(m_sio[1], FUNC(z80sio_device::ba_cd_r), FUNC(z80sio_device::ba_cd_w)).umask16(0x00ff); - //map(0x98, 0x99) // r SASI data read ; w SASI SEL probe - map(0x9A, 0x9B).r(FUNC(dms86_state::port9a_r)); // r parallel ports, status byte ; w SASI ACK strobe, SASI data write - // 9C,9D - no setup bytes; meant for printer // r Port P data read ; Port P data write - map(0x9c, 0x9d).r(FUNC(dms86_state::port9c_r)); - map(0x9c, 0x9c).w(m_terminal, FUNC(generic_terminal_device::write)); - //map(0x9e, 0x9f) // r SASI software reset ; w Port P AUX strobe -} - -/* Input ports */ -static INPUT_PORTS_START( dms86 ) - PORT_START("FRONT") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Interrupt") PORT_CODE(KEYCODE_F2) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, dms86_state, nmi_w) -INPUT_PORTS_END - - -void dms86_state::machine_reset() -{ -} - -void dms86_state::kbd_put(u8 data) -{ - m_term_data = data; -} - -void dms86_state::dms86(machine_config &config) -{ - /* basic machine hardware */ - I8086(config, m_maincpu, XTAL(14'745'600) / 3); // according to the manual... hmm - m_maincpu->set_addrmap(AS_PROGRAM, &dms86_state::mem_map); - m_maincpu->set_addrmap(AS_IO, &dms86_state::io_map); - - // According to the manual the clock is 14,765,600 / 4 but that couldn't possibly work. - // By maths, clock should be 9600*32*4*16 = 19,660,800 but not working either - // So, commented out because it makes the whole thing crawl, only get 18% on my machine - //clock_device &ctc_clock(CLOCK(config, "ctc_clock", 19660800)); //XTAL(14'745'600) / 4 - //ctc_clock.signal_handler().set(m_ctc, FUNC(z80ctc_device::trg0)); - //ctc_clock.signal_handler().append(m_ctc, FUNC(z80ctc_device::trg1)); - //ctc_clock.signal_handler().append(m_ctc, FUNC(z80ctc_device::trg2)); - - Z80CTC(config, m_ctc, XTAL(14'745'600) / 3); - //m_ctc->intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); // frame rate interrupt to maincpu - m_ctc->zc_callback<0>().set(m_sio[0], FUNC(z80sio_device::rxtxcb_w)); // SIO1 Ch B - m_ctc->zc_callback<1>().set(m_sio[0], FUNC(z80sio_device::txca_w)); // SIO1 Ch A - m_ctc->zc_callback<1>().append(m_sio[0], FUNC(z80sio_device::rxca_w)); - m_ctc->zc_callback<2>().set(m_sio[1], FUNC(z80sio_device::rxtxcb_w)); // SIO2 - m_ctc->zc_callback<2>().append(m_sio[1], FUNC(z80sio_device::rxca_w)); - m_ctc->zc_callback<2>().append(m_sio[1], FUNC(z80sio_device::rxca_w)); - - Z80SIO(config, m_sio[0], XTAL(14'745'600) / 3); - m_sio[0]->out_txdb_callback().set("rs232", FUNC(rs232_port_device::write_txd)); - m_sio[0]->out_dtrb_callback().set("rs232", FUNC(rs232_port_device::write_dtr)); - m_sio[0]->out_rtsb_callback().set("rs232", FUNC(rs232_port_device::write_rts)); - - Z80SIO(config, m_sio[1], XTAL(14'745'600) / 3); - - rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, nullptr)); - rs232.rxd_handler().set(m_sio[0], FUNC(z80sio_device::rxb_w)); - rs232.dcd_handler().set(m_sio[0], FUNC(z80sio_device::dcdb_w)); // HiNet / Monitor switch - rs232.cts_handler().set(m_sio[0], FUNC(z80sio_device::ctsb_w)).invert(); - - GENERIC_TERMINAL(config, m_terminal, 0); - m_terminal->set_keyboard_callback(FUNC(dms86_state::kbd_put)); -} - -/* ROM definition */ -ROM_START( dms86 ) - ROM_REGION16_LE( 0x2000, "roms", ROMREGION_ERASEFF ) - ROM_LOAD16_BYTE( "hns-86_54-8678.bin", 0x0000, 0x1000, CRC(95f58e1c) SHA1(6fc8f087f0c887d8b429612cd035c6c1faab570c)) - ROM_LOAD16_BYTE( "hns-86_54-8677.bin", 0x0001, 0x1000, CRC(78fad756) SHA1(ddcbff1569ec6975b8489935cdcfa80eba413502)) -ROM_END - -/* Driver */ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ -COMP( 1982, dms86, 0, 0, dms86, dms86, dms86_state, empty_init, "Digital Microsystems", "DMS-86", MACHINE_NOT_WORKING | MACHINE_NO_SOUND) |