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Diffstat (limited to 'src/mame/drivers/unixpc.cpp')
-rw-r--r--src/mame/drivers/unixpc.cpp76
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);
+}
/***************************************************************************