// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic /*************************************************************************** Indiana University 68030 board 08/12/2009 Skeleton driver. 01/20/2014 Added ISA bus and peripherals TODO: Text appears in VGA f/b (0x6B8000), but doesn't display? System often reads/writes 6003D4/5, might be a cut-down 6845, as it only uses registers C,D,E,F. ****************************************************************************/ #include "emu.h" #include "bus/rs232/keyboard.h" #include "cpu/m68000/m68000.h" #include "bus/isa/com.h" #include "bus/isa/fdc.h" #include "bus/isa/ide.h" #include "bus/isa/isa.h" #include "bus/isa/isa_cards.h" #include "bus/isa/vga.h" #include "machine/mc68901.h" #define M68K_TAG "maincpu" #define ISABUS_TAG "isa" #define MFP_TAG "mfp" class indiana_state : public driver_device { public: indiana_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, M68K_TAG) { } void indiana(machine_config &config); void init_indiana(); private: virtual void machine_reset() override; required_device m_maincpu; void indiana_mem(address_map &map); }; void indiana_state::indiana_mem(address_map &map) { map.unmap_value_high(); map(0x00000000, 0x0000ffff).mirror(0x7f800000).rom().region("user1", 0); // 64Kb of EPROM map(0x00100000, 0x00107fff).mirror(0x7f8f8000).ram(); // SRAM 32Kb of SRAM map(0x00200000, 0x002fffff).rw(MFP_TAG, FUNC(mc68901_device::read), FUNC(mc68901_device::write)).mirror(0x7f800000); // MFP map(0x00400000, 0x004fffff).rw(ISABUS_TAG, FUNC(isa16_device::io16_swap_r), FUNC(isa16_device::io16_swap_w)).mirror(0x7f800000); // 16 bit PC IO map(0x00500000, 0x005fffff).rw(ISABUS_TAG, FUNC(isa16_device::mem16_swap_r), FUNC(isa16_device::mem16_swap_w)).mirror(0x7f800000); // 16 bit PC MEM map(0x00600000, 0x006fffff).rw(ISABUS_TAG, FUNC(isa16_device::io_r), FUNC(isa16_device::io_w)).mirror(0x7f800000); // 8 bit PC IO map(0x00700000, 0x007fffff).rw(ISABUS_TAG, FUNC(isa16_device::mem_r), FUNC(isa16_device::mem_w)).mirror(0x7f800000); // 8 bit PC MEM map(0x80000000, 0x803fffff).ram(); // 4 MB RAM map(0xfffe0000, 0xfffe7fff).ram(); // SRAM mirror? } /* Input ports */ static INPUT_PORTS_START( indiana ) INPUT_PORTS_END void indiana_state::machine_reset() { } void indiana_state::init_indiana() { } void indiana_isa_cards(device_slot_interface &device) { // 8-bit device.option_add("fdc_at", ISA8_FDC_AT); device.option_add("comat", ISA8_COM_AT); device.option_add("vga", ISA8_VGA); // 16-bit device.option_add("ide", ISA16_IDE); } static DEVICE_INPUT_DEFAULTS_START( keyboard ) DEVICE_INPUT_DEFAULTS( "RS232_TXBAUD", 0xff, RS232_BAUD_1200 ) DEVICE_INPUT_DEFAULTS( "RS232_STARTBITS", 0xff, RS232_STARTBITS_1 ) DEVICE_INPUT_DEFAULTS( "RS232_DATABITS", 0xff, RS232_DATABITS_8 ) DEVICE_INPUT_DEFAULTS( "RS232_PARITY", 0xff, RS232_PARITY_NONE ) DEVICE_INPUT_DEFAULTS( "RS232_STOPBITS", 0xff, RS232_STOPBITS_1 ) DEVICE_INPUT_DEFAULTS_END void indiana_state::indiana(machine_config &config) { /* basic machine hardware */ M68030(config, m_maincpu, XTAL(16'000'000)); m_maincpu->set_addrmap(AS_PROGRAM, &indiana_state::indiana_mem); // FIXME: determine ISA bus clock isa16_device &isa(ISA16(config, ISABUS_TAG, 0)); isa.set_custom_spaces(); ISA16_SLOT(config, "isa1", 0, ISABUS_TAG, indiana_isa_cards, "vga", false); ISA16_SLOT(config, "isa2", 0, ISABUS_TAG, indiana_isa_cards, "fdc_at", false); ISA16_SLOT(config, "isa3", 0, ISABUS_TAG, indiana_isa_cards, "comat", false); ISA16_SLOT(config, "isa4", 0, ISABUS_TAG, indiana_isa_cards, "ide", false); mc68901_device &mfp(MC68901(config, MFP_TAG, XTAL(16'000'000)/4)); mfp.set_timer_clock(XTAL(16'000'000)/4); mfp.set_rx_clock(0); mfp.set_tx_clock(0); mfp.out_so_cb().set("keyboard", FUNC(rs232_port_device::write_txd)); rs232_port_device &keyboard(RS232_PORT(config, "keyboard", default_rs232_devices, "keyboard")); keyboard.rxd_handler().set(MFP_TAG, FUNC(mc68901_device::write_rx)); keyboard.set_option_device_input_defaults("keyboard", DEVICE_INPUT_DEFAULTS_NAME(keyboard)); } /* ROM definition */ ROM_START( indiana ) ROM_REGION32_BE( 0x10000, "user1", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "v9", "ver 0.9" ) ROMX_LOAD( "prom0_9.bin", 0x0000, 0x10000, CRC(746ad75e) SHA1(7d5c123c8568b1e02ab683e8f3188d0fef78d740), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "v8", "ver 0.8" ) ROMX_LOAD( "prom0_8.bin", 0x0000, 0x10000, CRC(9d8dafee) SHA1(c824e5fe6eec08f51ef287c651a5034fe3c8b718), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 2, "v7", "ver 0.7" ) ROMX_LOAD( "prom0_7.bin", 0x0000, 0x10000, CRC(d6a3b6bc) SHA1(01d8cee989ab29646d9d3f8b7262b10055653d41), ROM_BIOS(2)) ROM_END /* Driver */ // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1993, indiana, 0, 0, indiana, indiana, indiana_state, init_indiana, "Indiana University", "Indiana University 68030 board", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)