diff options
Diffstat (limited to 'src/mame/drivers/unixpc.cpp')
-rw-r--r-- | src/mame/drivers/unixpc.cpp | 76 |
1 files changed, 56 insertions, 20 deletions
diff --git a/src/mame/drivers/unixpc.cpp b/src/mame/drivers/unixpc.cpp index 56bad603b5d..a85c694d87a 100644 --- a/src/mame/drivers/unixpc.cpp +++ b/src/mame/drivers/unixpc.cpp @@ -20,13 +20,15 @@ #include "bus/centronics/ctronics.h" #include "bus/rs232/rs232.h" #include "imagedev/floppy.h" +#include "imagedev/harddriv.h" #include "machine/6850acia.h" #include "machine/74259.h" #include "machine/bankdev.h" +#include "machine/input_merger.h" #include "machine/output_latch.h" #include "machine/ram.h" //#include "machine/tc8250.h" -//#include "machine/wd1010.h" +#include "machine/wd1010.h" #include "machine/wd_fdc.h" #include "machine/z80sio.h" #include "emupal.h" @@ -47,9 +49,12 @@ public: m_maincpu(*this, "maincpu"), m_gcr(*this, "gcr"), m_tcr(*this, "tcr"), + m_int02(*this, "int02"), m_ram(*this, RAM_TAG), m_wd2797(*this, "wd2797"), m_floppy(*this, "wd2797:0:525dd"), + m_hdc(*this, "hdc"), + m_hdr0(*this, "hdc:0"), m_ramrombank(*this, "ramrombank"), m_mapram(*this, "mapram"), m_videoram(*this, "videoram") @@ -84,6 +89,8 @@ private: DECLARE_WRITE_LINE_MEMBER(wd2797_intrq_w); DECLARE_WRITE_LINE_MEMBER(wd2797_drq_w); + DECLARE_WRITE_LINE_MEMBER(wd1010_intrq_w); + void ramrombank_map(address_map &map); void unixpc_mem(address_map &map); @@ -91,9 +98,12 @@ private: required_device<cpu_device> m_maincpu; required_device<ls259_device> m_gcr; required_device<ls259_device> m_tcr; + required_device<input_merger_device> m_int02; required_device<ram_device> m_ram; required_device<wd2797_device> m_wd2797; required_device<floppy_image_device> m_floppy; + required_device<wd1010_device> m_hdc; + required_device<harddisk_image_device> m_hdr0; required_device<address_map_bank_device> m_ramrombank; required_shared_ptr<uint16_t> m_mapram; @@ -104,6 +114,7 @@ private: uint16_t m_diskdmasize; uint32_t m_diskdmaptr; bool m_fdc_intrq; + bool m_hdc_intrq; }; @@ -205,7 +216,7 @@ READ16_MEMBER(unixpc_state::line_printer_r) data |= 1; // no dial tone detected data |= 1 << 1; // no parity error - data |= 0 << 2; // hdc intrq + data |= m_hdc_intrq ? 1<<2 : 0<<2; data |= m_fdc_intrq ? 1<<3 : 0<<3; //logerror("line_printer_r: %04x\n", data); @@ -253,6 +264,13 @@ WRITE16_MEMBER(unixpc_state::disk_control_w) { logerror("disk_control_w: %04x\n", data); + // TODO: bits 0-2 = head select + + m_hdc->drdy_w(BIT(data, 3) && m_hdr0->exists()); + + if (!BIT(data, 4)) + m_hdc->reset(); + m_floppy->mon_w(!BIT(data, 5)); // bit 6 = floppy selected / not selected @@ -266,6 +284,7 @@ WRITE_LINE_MEMBER(unixpc_state::wd2797_intrq_w) { logerror("wd2797_intrq_w: %d\n", state); m_fdc_intrq = state; + m_int02->in_w<1>(state); } WRITE_LINE_MEMBER(unixpc_state::wd2797_drq_w) @@ -273,6 +292,15 @@ WRITE_LINE_MEMBER(unixpc_state::wd2797_drq_w) logerror("wd2797_drq_w: %d\n", state); } +/*************************************************************************** + HARD DISK +***************************************************************************/ + +WRITE_LINE_MEMBER(unixpc_state::wd1010_intrq_w) +{ + m_hdc_intrq = state; + m_int02->in_w<0>(state); +} /*************************************************************************** VIDEO @@ -308,7 +336,7 @@ void unixpc_state::unixpc_mem(address_map &map) map(0x4d0000, 0x4d7fff).w(FUNC(unixpc_state::diskdma_ptr_w)); map(0x4e0000, 0x4e0001).w(FUNC(unixpc_state::disk_control_w)); map(0x4f0001, 0x4f0001).w("printlatch", FUNC(output_latch_device::bus_w)); - //map(0xe00000, 0xe0000f).rw("hdc", FUNC(wd1010_device::read), FUNC(wd1010_device::write)).umask16(0x00ff); + map(0xe00000, 0xe0000f).rw(m_hdc, FUNC(wd1010_device::read), FUNC(wd1010_device::write)).umask16(0x00ff); map(0xe10000, 0xe10007).rw(m_wd2797, FUNC(wd_fdc_device_base::read), FUNC(wd_fdc_device_base::write)).umask16(0x00ff); map(0xe30000, 0xe30001).r(FUNC(unixpc_state::rtc_r)); map(0xe40000, 0xe40001).select(0x7000).w(FUNC(unixpc_state::gcr_w)); @@ -340,10 +368,11 @@ static void unixpc_floppies(device_slot_interface &device) device.option_add("525dd", FLOPPY_525_DD); } -MACHINE_CONFIG_START(unixpc_state::unixpc) +void unixpc_state::unixpc(machine_config &config) +{ // basic machine hardware - MCFG_DEVICE_ADD("maincpu", M68010, 40_MHz_XTAL / 4) - MCFG_DEVICE_PROGRAM_MAP(unixpc_mem) + M68010(config, m_maincpu, 40_MHz_XTAL / 4); + m_maincpu->set_addrmap(AS_PROGRAM, &unixpc_state::unixpc_mem); LS259(config, m_gcr); // 7K m_gcr->q_out_cb<0>().set(FUNC(unixpc_state::error_enable_w)); @@ -353,6 +382,9 @@ MACHINE_CONFIG_START(unixpc_state::unixpc) LS259(config, m_tcr); // 10K + INPUT_MERGER_ANY_HIGH(config, m_int02); // 26H pins 3-6 + m_int02->output_handler().set_inputline(m_maincpu, M68K_IRQ_2); + output_latch_device &mreg(OUTPUT_LATCH(config, "mreg")); mreg.bit_handler<0>().set_output("led_0").invert(); mreg.bit_handler<1>().set_output("led_1").invert(); @@ -364,10 +396,10 @@ MACHINE_CONFIG_START(unixpc_state::unixpc) // bit 7 (D15) = VBL ack (must go high-low-high to ack) // video hardware - MCFG_SCREEN_ADD("screen", RASTER) - MCFG_SCREEN_UPDATE_DRIVER(unixpc_state, screen_update) - MCFG_SCREEN_RAW_PARAMS(40_MHz_XTAL / 2, 896, 0, 720, 367, 0, 348) - MCFG_SCREEN_PALETTE("palette") + screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); + screen.set_screen_update(FUNC(unixpc_state::screen_update)); + screen.set_raw(40_MHz_XTAL / 2, 896, 0, 720, 367, 0, 348); + screen.set_palette("palette"); // vsync should actually last 17264 pixels config.set_default_layout(layout_unixpc); @@ -384,29 +416,33 @@ MACHINE_CONFIG_START(unixpc_state::unixpc) WD2797(config, m_wd2797, 40_MHz_XTAL / 40); // 1PCK (CPU clock) divided by custom DMA chip m_wd2797->intrq_wr_callback().set(FUNC(unixpc_state::wd2797_intrq_w)); m_wd2797->drq_wr_callback().set(FUNC(unixpc_state::wd2797_drq_w)); - MCFG_FLOPPY_DRIVE_ADD("wd2797:0", unixpc_floppies, "525dd", floppy_image_device::default_floppy_formats) + FLOPPY_CONNECTOR(config, "wd2797:0", unixpc_floppies, "525dd", floppy_image_device::default_floppy_formats); - upd7201_new_device& mpsc(UPD7201_NEW(config, "mpsc", 19.6608_MHz_XTAL / 8)); + WD1010(config, m_hdc, 40_MHz_XTAL / 8); + m_hdc->out_intrq_callback().set(FUNC(unixpc_state::wd1010_intrq_w)); + HARDDISK(config, m_hdr0, 0); + + upd7201_new_device &mpsc(UPD7201_NEW(config, "mpsc", 19.6608_MHz_XTAL / 8)); mpsc.out_txda_callback().set("rs232", FUNC(rs232_port_device::write_txd)); mpsc.out_dtra_callback().set("rs232", FUNC(rs232_port_device::write_dtr)); mpsc.out_rtsa_callback().set("rs232", FUNC(rs232_port_device::write_rts)); + mpsc.out_int_callback().set_inputline(m_maincpu, M68K_IRQ_4); - MCFG_DEVICE_ADD("kbc", ACIA6850, 0) - - // TODO: HDC - //MCFG_DEVICE_ADD("hdc", WD1010, 40_MHz_XTAL / 8) + acia6850_device &kbc(ACIA6850(config, "kbc", 0)); + kbc.irq_handler().set_inputline(m_maincpu, M68K_IRQ_3); // TODO: RTC - //MCFG_DEVICE_ADD("rtc", TC8250, 32.768_kHz_XTAL) + //TC8250(config, "rtc", 32.768_kHz_XTAL); rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, nullptr)); rs232.rxd_handler().set("mpsc", FUNC(upd7201_new_device::rxa_w)); rs232.dsr_handler().set("mpsc", FUNC(upd7201_new_device::dcda_w)); rs232.cts_handler().set("mpsc", FUNC(upd7201_new_device::ctsa_w)); - MCFG_DEVICE_ADD("printer", CENTRONICS, centronics_devices, nullptr) - MCFG_CENTRONICS_OUTPUT_LATCH_ADD("printlatch", "printer") -MACHINE_CONFIG_END + centronics_device &printer(CENTRONICS(config, "printer", centronics_devices, nullptr)); + output_latch_device &printlatch(OUTPUT_LATCH(config, "printlatch")); + printer.set_output_latch(printlatch); +} /*************************************************************************** |