// license:BSD-3-Clause // copyright-holders:Robbbert /*************************************************************************** Forward Technology FT-68M Multibus card. 2013-09-26 Skeleton driver Chips: HD68000-10, uPD7201C, AM9513APC. Crystal: 19.6608 MHz Interrupts: INT6 is output of Timer 2, INT7 is output of Timer 3 (refresh), INT5 comes from SIO. ****************************************************************************/ #include "emu.h" #include "cpu/m68000/m68000.h" #include "bus/rs232/rs232.h" #include "machine/am9513.h" #include "machine/z80sio.h" class ft68m_state : public driver_device { public: ft68m_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_p_base(*this, "rambase"), m_maincpu(*this, "maincpu") { } void ft68m(machine_config &config); private: DECLARE_READ16_MEMBER(switches_r); void mem_map(address_map &map); virtual void machine_start() override; virtual void machine_reset() override; required_shared_ptr m_p_base; required_device m_maincpu; }; READ16_MEMBER( ft68m_state::switches_r ) { return 0x7c00; // bypass self test } void ft68m_state::mem_map(address_map &map) { map.unmap_value_high(); map.global_mask(0xffffff); map(0x000000, 0x1fffff).ram().share("rambase"); map(0x200000, 0x201fff).rom().region("roms", 0x0000); map(0x400000, 0x401fff).rom().region("roms", 0x2000); map(0x600000, 0x600007).mirror(0x1ffff8).rw("mpsc", FUNC(upd7201_device::ba_cd_r), FUNC(upd7201_device::ba_cd_w)).umask16(0xff00); map(0x800000, 0x800003).mirror(0x1ffffc).rw("stc", FUNC(am9513_device::read16), FUNC(am9513_device::write16)); map(0xa00000, 0xbfffff).ram(); //Page Map map(0xc00000, 0xdfffff).ram(); //Segment Map map(0xe00000, 0xffffff).r(FUNC(ft68m_state::switches_r)); //Context Register } /* Input ports */ static INPUT_PORTS_START( ft68m ) INPUT_PORTS_END void ft68m_state::machine_start() { // GATE 1 is tied to Vcc; other GATE and SRC pins are all grounded subdevice("stc")->gate1_w(1); } void ft68m_state::machine_reset() { uint8_t* ROM = memregion("roms")->base(); memcpy(m_p_base, ROM, 8); } void ft68m_state::ft68m(machine_config &config) { /* basic machine hardware */ M68000(config, m_maincpu, XTAL(19'660'800) / 2); m_maincpu->set_addrmap(AS_PROGRAM, &ft68m_state::mem_map); upd7201_device& mpsc(UPD7201(config, "mpsc", 0)); mpsc.out_txda_callback().set("rs232a", FUNC(rs232_port_device::write_txd)); mpsc.out_dtra_callback().set("rs232a", FUNC(rs232_port_device::write_dtr)); mpsc.out_rtsa_callback().set("rs232a", FUNC(rs232_port_device::write_rts)); mpsc.out_txdb_callback().set("rs232b", FUNC(rs232_port_device::write_txd)); mpsc.out_int_callback().set_inputline(m_maincpu, M68K_IRQ_5); am9513_device &stc(AM9513A(config, "stc", XTAL(19'660'800) / 8)); stc.out2_cb().set_inputline(m_maincpu, M68K_IRQ_6); stc.out3_cb().set_inputline(m_maincpu, M68K_IRQ_7); stc.out4_cb().set("mpsc", FUNC(upd7201_device::rxca_w)); stc.out4_cb().append("mpsc", FUNC(upd7201_device::txca_w)); stc.out5_cb().set("mpsc", FUNC(upd7201_device::rxcb_w)); stc.out5_cb().append("mpsc", FUNC(upd7201_device::txcb_w)); rs232_port_device &rs232a(RS232_PORT(config, "rs232a", default_rs232_devices, "terminal")); rs232a.rxd_handler().set("mpsc", FUNC(upd7201_device::rxa_w)); rs232a.dsr_handler().set("mpsc", FUNC(upd7201_device::dcda_w)); rs232a.cts_handler().set("mpsc", FUNC(upd7201_device::ctsa_w)); rs232_port_device &rs232b(RS232_PORT(config, "rs232b", default_rs232_devices, nullptr)); rs232b.rxd_handler().set("mpsc", FUNC(upd7201_device::rxb_w)); } /* ROM definition */ ROM_START( ft68m ) ROM_REGION16_BE(0x4000, "roms", 0) ROM_LOAD16_BYTE("23-0009-01c.a4", 0x0000, 0x1000, CRC(0d45fc8d) SHA1(59587cb1c151bfd0d69e708716ed3b0a78aa85ea) ) ROM_LOAD16_BYTE("23-0008-01c.a1", 0x0001, 0x1000, CRC(d1aa1164) SHA1(05e10f1c594e2acd369949b873a524a9cc37829f) ) ROM_LOAD16_BYTE( "33-01.a6", 0x2000, 0x1000, CRC(53fe3c73) SHA1(ad15c74cd8edef9d9716ad0d16f7a95ff2af901f) ) ROM_LOAD16_BYTE( "33-00.a3", 0x2001, 0x1000, CRC(06b1cc77) SHA1(12e3314e92f800b3c4ebdf55dcd5351230224788) ) ROM_REGION(0x700, "proms", 0) ROM_LOAD("23-0010-00.a15", 0x000, 0x020, CRC(20eb1183) SHA1(9b268792b28d858d6b6a1b6c4148af88a8d6b735) ) ROM_LOAD("23-0011-00.a14", 0x100, 0x200, CRC(12d9a6be) SHA1(fca99f9c5afc630ac67cbd4e5ba4e5242b826848) ) ROM_LOAD("23-0012-00.a16", 0x300, 0x020, CRC(ee1e5a14) SHA1(0d3346cb3b647fa2475bd7b4fa36ea6ecfdaf805) ) ROM_LOAD("23-0034-00.e4", 0x400, 0x100, CRC(1a573887) SHA1(459bd2d8dc8c4b1c0a529984ae8e38d0c81a084c) ) ROM_LOAD("23-0037-00.e7", 0x500, 0x100, CRC(9ed4b7f6) SHA1(136a74567094d8462c3a4de1b7e6eb8f30fe71ca) ) ROM_LOAD("23-0038-00.f1", 0x600, 0x100, CRC(3e56cce5) SHA1(f30a8d5d744bfc25493cd1e92961bbb75f9e0d05) ) ROM_END /* Driver */ // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 198?, ft68m, 0, 0, ft68m, ft68m, ft68m_state, empty_init, "Forward Technology", "FT-68M", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW )