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-rw-r--r--src/mame/drivers/dmv.cpp851
1 files changed, 851 insertions, 0 deletions
diff --git a/src/mame/drivers/dmv.cpp b/src/mame/drivers/dmv.cpp
new file mode 100644
index 00000000000..43e2ddea4a4
--- /dev/null
+++ b/src/mame/drivers/dmv.cpp
@@ -0,0 +1,851 @@
+// license:BSD-3-Clause
+// copyright-holders:Sandro Ronco
+/***************************************************************************
+
+ NCR Decision Mate V
+
+ 04/01/2012 Skeleton driver.
+
+****************************************************************************/
+
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "cpu/mcs48/mcs48.h"
+#include "machine/upd765.h"
+#include "machine/am9517a.h"
+#include "machine/pit8253.h"
+#include "machine/dmv_keyb.h"
+#include "sound/speaker.h"
+#include "video/upd7220.h"
+#include "formats/dmv_dsk.h"
+
+// expansion slots
+#include "bus/dmv/dmvbus.h"
+#include "bus/dmv/k210.h"
+#include "bus/dmv/k220.h"
+#include "bus/dmv/k230.h"
+#include "bus/dmv/k233.h"
+#include "bus/dmv/k801.h"
+#include "bus/dmv/k803.h"
+#include "bus/dmv/k806.h"
+#include "bus/dmv/ram.h"
+
+#include "softlist.h"
+
+#include "dmv.lh"
+
+class dmv_state : public driver_device
+{
+public:
+ dmv_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_hgdc(*this, "upd7220"),
+ m_dmac(*this, "dma8237"),
+ m_pit(*this, "pit8253"),
+ m_fdc(*this, "i8272"),
+ m_floppy0(*this, "i8272:0"),
+ m_floppy1(*this, "i8272:1"),
+ m_keyboard(*this, "keyboard"),
+ m_speaker(*this, "speaker"),
+ m_video_ram(*this, "video_ram"),
+ m_palette(*this, "palette"),
+ m_ram(*this, "ram"),
+ m_bootrom(*this, "boot"),
+ m_chargen(*this, "chargen"),
+ m_slot1(*this, "slot1"),
+ m_slot2(*this, "slot2"),
+ m_slot2a(*this, "slot2a"),
+ m_slot3(*this, "slot3"),
+ m_slot4(*this, "slot4"),
+ m_slot5(*this, "slot5"),
+ m_slot6(*this, "slot6"),
+ m_slot7(*this, "slot7"),
+ m_slot7a(*this, "slot7a")
+ { }
+
+ required_device<cpu_device> m_maincpu;
+ required_device<upd7220_device> m_hgdc;
+ required_device<am9517a_device> m_dmac;
+ required_device<pit8253_device> m_pit;
+ required_device<i8272a_device> m_fdc;
+ required_device<floppy_connector> m_floppy0;
+ required_device<floppy_connector> m_floppy1;
+ required_device<dmv_keyboard_device> m_keyboard;
+ required_device<speaker_sound_device> m_speaker;
+ required_shared_ptr<UINT16> m_video_ram;
+ required_device<palette_device> m_palette;
+ required_memory_region m_ram;
+ required_memory_region m_bootrom;
+ required_memory_region m_chargen;
+
+ required_device<dmvcart_slot_device> m_slot1;
+ required_device<dmvcart_slot_device> m_slot2;
+ required_device<dmvcart_slot_device> m_slot2a;
+ required_device<dmvcart_slot_device> m_slot3;
+ required_device<dmvcart_slot_device> m_slot4;
+ required_device<dmvcart_slot_device> m_slot5;
+ required_device<dmvcart_slot_device> m_slot6;
+ required_device<dmvcart_slot_device> m_slot7;
+ required_device<dmvcart_slot_device> m_slot7a;
+
+ virtual void machine_start();
+ virtual void machine_reset();
+ void update_halt_line();
+
+ DECLARE_WRITE8_MEMBER(leds_w);
+ DECLARE_WRITE_LINE_MEMBER(dma_hrq_changed);
+ DECLARE_WRITE_LINE_MEMBER(dmac_eop);
+ DECLARE_WRITE_LINE_MEMBER(dmac_dack3);
+ DECLARE_WRITE_LINE_MEMBER(fdc_irq);
+ DECLARE_WRITE_LINE_MEMBER(pit_out0);
+ DECLARE_WRITE_LINE_MEMBER(timint_w);
+ DECLARE_WRITE8_MEMBER(fdd_motor_w);
+ DECLARE_READ8_MEMBER(sys_status_r);
+ DECLARE_WRITE8_MEMBER(tc_set_w);
+ DECLARE_WRITE8_MEMBER(switch16_w);
+ DECLARE_READ8_MEMBER(ramsel_r);
+ DECLARE_READ8_MEMBER(romsel_r);
+ DECLARE_WRITE8_MEMBER(ramsel_w);
+ DECLARE_WRITE8_MEMBER(romsel_w);
+ DECLARE_READ8_MEMBER(kb_mcu_port1_r);
+ DECLARE_WRITE8_MEMBER(kb_mcu_port1_w);
+ DECLARE_WRITE8_MEMBER(kb_mcu_port2_w);
+ DECLARE_WRITE8_MEMBER(rambank_w);
+ DECLARE_READ8_MEMBER(program_r);
+ DECLARE_WRITE8_MEMBER(program_w);
+ DECLARE_READ8_MEMBER(exp_program_r);
+ DECLARE_WRITE8_MEMBER(exp_program_w);
+ DECLARE_WRITE_LINE_MEMBER(thold7_w);
+
+ void update_busint(int slot, int state);
+ DECLARE_WRITE_LINE_MEMBER(busint2_w) { update_busint(0, state); }
+ DECLARE_WRITE_LINE_MEMBER(busint2a_w) { update_busint(1, state); }
+ DECLARE_WRITE_LINE_MEMBER(busint3_w) { update_busint(2, state); }
+ DECLARE_WRITE_LINE_MEMBER(busint4_w) { update_busint(3, state); }
+ DECLARE_WRITE_LINE_MEMBER(busint5_w) { update_busint(4, state); }
+ DECLARE_WRITE_LINE_MEMBER(busint6_w) { update_busint(5, state); }
+ DECLARE_WRITE_LINE_MEMBER(busint7_w) { update_busint(6, state); }
+ DECLARE_WRITE_LINE_MEMBER(busint7a_w) { update_busint(7, state); }
+
+ void update_irqs(int slot, int state);
+ DECLARE_WRITE_LINE_MEMBER(irq2_w) { update_irqs(0, state); }
+ DECLARE_WRITE_LINE_MEMBER(irq2a_w) { update_irqs(1, state); }
+ DECLARE_WRITE_LINE_MEMBER(irq3_w) { update_irqs(2, state); }
+ DECLARE_WRITE_LINE_MEMBER(irq4_w) { update_irqs(3, state); }
+ DECLARE_WRITE_LINE_MEMBER(irq5_w) { update_irqs(4, state); }
+ DECLARE_WRITE_LINE_MEMBER(irq6_w) { update_irqs(5, state); }
+ DECLARE_WRITE_LINE_MEMBER(irq7_w) { update_irqs(6, state); }
+ DECLARE_WRITE_LINE_MEMBER(irq7a_w) { update_irqs(7, state); }
+
+ DECLARE_FLOPPY_FORMATS( floppy_formats );
+
+ UINT8 program_read(address_space &space, int cas, offs_t offset);
+ void program_write(address_space &space, int cas, offs_t offset, UINT8 data);
+
+ void ifsel_r(address_space &space, int ifsel, offs_t offset, UINT8 &data);
+ void ifsel_w(address_space &space, int ifsel, offs_t offset, UINT8 data);
+ DECLARE_READ8_MEMBER(ifsel0_r) { UINT8 data = 0xff; ifsel_r(space, 0, offset, data); return data; }
+ DECLARE_READ8_MEMBER(ifsel1_r) { UINT8 data = 0xff; ifsel_r(space, 1, offset, data); return data; }
+ DECLARE_READ8_MEMBER(ifsel2_r) { UINT8 data = 0xff; ifsel_r(space, 2, offset, data); return data; }
+ DECLARE_READ8_MEMBER(ifsel3_r) { UINT8 data = 0xff; ifsel_r(space, 3, offset, data); return data; }
+ DECLARE_READ8_MEMBER(ifsel4_r) { UINT8 data = 0xff; ifsel_r(space, 4, offset, data); return data; }
+ DECLARE_WRITE8_MEMBER(ifsel0_w) { ifsel_w(space, 0, offset, data); }
+ DECLARE_WRITE8_MEMBER(ifsel1_w) { ifsel_w(space, 1, offset, data); }
+ DECLARE_WRITE8_MEMBER(ifsel2_w) { ifsel_w(space, 2, offset, data); }
+ DECLARE_WRITE8_MEMBER(ifsel3_w) { ifsel_w(space, 3, offset, data); }
+ DECLARE_WRITE8_MEMBER(ifsel4_w) { ifsel_w(space, 4, offset, data); }
+
+ UPD7220_DISPLAY_PIXELS_MEMBER( hgdc_display_pixels );
+ UPD7220_DRAW_TEXT_LINE_MEMBER( hgdc_draw_text );
+
+ bool m_ramoutdis;
+ int m_switch16;
+ int m_thold7;
+ int m_dma_hrq;
+ int m_ram_bank;
+ bool m_color_mode;
+ int m_eop_line;
+ int m_dack3_line;
+ int m_sd_poll_state;
+ int m_floppy_motor;
+ int m_busint[8];
+ int m_irqs[8];
+};
+
+WRITE8_MEMBER(dmv_state::tc_set_w)
+{
+ m_fdc->tc_w(true);
+}
+
+WRITE8_MEMBER(dmv_state::switch16_w)
+{
+ m_switch16 = !m_switch16;
+ update_halt_line();
+}
+
+WRITE8_MEMBER(dmv_state::leds_w)
+{
+ /*
+ LEDs Value Significance
+ ---------------------------------------
+ None 0xFF Check complete
+ 1+8 0x7E Sumcheck error
+ 2+8 0xBE GDC error
+ 3+8 0xDE Disk drive error
+ 4+8 0xEE 16-bit processor error
+ 5+8 0xF6 Keyboard error
+ 6+8 0xFA DMA error
+ 7+8 0xFC Memory error
+ All 0x00 Processor error
+ */
+
+ for(int i=0; i<8; i++)
+ output_set_led_value(8-i, BIT(data, i));
+}
+
+READ8_MEMBER(dmv_state::ramsel_r)
+{
+ m_ramoutdis = false;
+ return 0;
+}
+
+READ8_MEMBER(dmv_state::romsel_r)
+{
+ m_ramoutdis = true;
+ return 0;
+}
+
+WRITE8_MEMBER(dmv_state::ramsel_w)
+{
+ m_ramoutdis = false;
+}
+
+WRITE8_MEMBER(dmv_state::romsel_w)
+{
+ m_ramoutdis = true;
+}
+
+WRITE8_MEMBER(dmv_state::rambank_w)
+{
+ m_ram_bank = offset;
+}
+
+WRITE8_MEMBER(dmv_state::fdd_motor_w)
+{
+ m_pit->write_gate0(1);
+ m_pit->write_gate0(0);
+
+ m_floppy_motor = 0;
+ m_floppy0->get_device()->mon_w(m_floppy_motor);
+ m_floppy1->get_device()->mon_w(m_floppy_motor);
+}
+
+READ8_MEMBER(dmv_state::sys_status_r)
+{
+ /*
+ Main system status
+ x--- ---- FDD index
+ -x--- --- IRQ 2
+ --x--- -- IRQ 3
+ ---x--- - IRQ 4
+ ---- x--- FDC interrupt
+ ---- -x-- FDD ready
+ ---- --x- 16-bit CPU available (active low)
+ ---- ---x FDD motor (active low)
+ */
+ UINT8 data = 0x00;
+
+ if (m_floppy_motor)
+ data |= 0x01;
+
+ // 16-bit CPU
+ if (!(m_slot7->av16bit() || m_slot7a->av16bit()))
+ data |= 0x02;
+
+ if (!m_floppy0->get_device()->ready_r())
+ data |= 0x04;
+
+ if (m_fdc->get_irq())
+ data |= 0x08;
+
+ if (m_irqs[3])
+ data |= 0x10; // IRQ 4
+
+ if (m_irqs[2])
+ data |= 0x20; // IRQ 3
+
+ if (m_irqs[0])
+ data |= 0x40; // IRQ 2
+
+ return data;
+}
+
+UPD7220_DISPLAY_PIXELS_MEMBER( dmv_state::hgdc_display_pixels )
+{
+ if (m_color_mode)
+ {
+ // 96KB videoram (32KB green + 32KB red + 32KB blue)
+ UINT16 green = m_video_ram[(0x00000 + (address & 0x7fff)) >> 1];
+ UINT16 red = m_video_ram[(0x08000 + (address & 0x7fff)) >> 1];
+ UINT16 blue = m_video_ram[(0x10000 + (address & 0x7fff)) >> 1];
+
+ for(int xi=0; xi<16; xi++)
+ {
+ int r = ((red >> xi) & 1) ? 255 : 0;
+ int g = ((green >> xi) & 1) ? 255 : 0;
+ int b = ((blue >> xi) & 1) ? 255 : 0;
+
+ if (bitmap.cliprect().contains(x + xi, y))
+ bitmap.pix32(y, x + xi) = rgb_t(r, g, b);
+ }
+ }
+ else
+ {
+ const rgb_t *palette = m_palette->palette()->entry_list_raw();
+
+ // 32KB videoram
+ UINT16 gfx = m_video_ram[(address & 0xffff) >> 1];
+
+ for(int xi=0;xi<16;xi++)
+ {
+ if (bitmap.cliprect().contains(x + xi, y))
+ bitmap.pix32(y, x + xi) = ((gfx >> xi) & 1) ? palette[1] : palette[0];
+ }
+ }
+}
+
+UPD7220_DRAW_TEXT_LINE_MEMBER( dmv_state::hgdc_draw_text )
+{
+ for( int x = 0; x < pitch; x++ )
+ {
+ UINT8 tile = m_video_ram[(((addr+x)*2) & 0x1ffff) >> 1] & 0xff;
+ UINT8 attr = m_video_ram[(((addr+x)*2) & 0x1ffff) >> 1] >> 8;
+
+ rgb_t bg, fg;
+ if (m_color_mode)
+ {
+ bg = rgb_t(attr & 0x20 ? 0 : 255, attr & 0x40 ? 0 : 255, attr & 0x80 ? 0 : 255);
+ fg = rgb_t(attr & 0x04 ? 255 : 0, attr & 0x08 ? 255 : 0, attr & 0x10 ? 255 : 0);
+ }
+ else
+ {
+ const rgb_t *palette = m_palette->palette()->entry_list_raw();
+ bg = palette[(attr & 1) ? 1 : 0];
+ fg = palette[(attr & 1) ? 0 : 1];
+ }
+
+ for( int yi = 0; yi < lr; yi++)
+ {
+ UINT8 tile_data = m_chargen->base()[(tile*16+yi) & 0x7ff];
+
+ if(cursor_on && cursor_addr == addr+x) //TODO
+ tile_data^=0xff;
+
+ for( int xi = 0; xi < 8; xi++)
+ {
+ int res_x,res_y;
+ int pen = (tile_data >> xi) & 1 ? 1 : 0;
+
+ res_x = x * 8 + xi;
+ res_y = y + yi;
+
+ if(!machine().first_screen()->visible_area().contains(res_x, res_y))
+ continue;
+
+ if(yi >= 16) { pen = 0; }
+
+ bitmap.pix32(res_y, res_x) = pen ? fg : bg;
+ }
+ }
+ }
+}
+
+static SLOT_INTERFACE_START( dmv_floppies )
+ SLOT_INTERFACE( "525dd", FLOPPY_525_DD )
+ SLOT_INTERFACE( "525qd", FLOPPY_525_QD )
+SLOT_INTERFACE_END
+
+
+void dmv_state::ifsel_r(address_space &space, int ifsel, offs_t offset, UINT8 &data)
+{
+ dmvcart_slot_device *slots[] = { m_slot2, m_slot2a, m_slot3, m_slot4, m_slot5, m_slot6, m_slot7, m_slot7a };
+ for(int i=0; i<8; i++)
+ slots[i]->io_read(space, ifsel, offset, data);
+}
+
+void dmv_state::ifsel_w(address_space &space, int ifsel, offs_t offset, UINT8 data)
+{
+ dmvcart_slot_device *slots[] = { m_slot2, m_slot2a, m_slot3, m_slot4, m_slot5, m_slot6, m_slot7, m_slot7a };
+ for(int i=0; i<8; i++)
+ slots[i]->io_write(space, ifsel, offset, data);
+}
+
+WRITE8_MEMBER(dmv_state::exp_program_w)
+{
+ program_write(space, (offset >> 16) & 0x07, offset, data);
+}
+
+READ8_MEMBER(dmv_state::exp_program_r)
+{
+ return program_read(space, (offset >> 16) & 0x07, offset);
+}
+
+WRITE8_MEMBER(dmv_state::program_w)
+{
+ program_write(space, m_ram_bank, offset, data);
+}
+
+READ8_MEMBER(dmv_state::program_r)
+{
+ return program_read(space, m_ram_bank, offset);
+}
+
+WRITE_LINE_MEMBER( dmv_state::thold7_w )
+{
+ if (m_thold7 != state)
+ {
+ m_thold7 = state;
+ update_halt_line();
+ }
+}
+
+void dmv_state::update_busint(int slot, int state)
+{
+ m_busint[slot] = state;
+
+ int new_state = CLEAR_LINE;
+ for (int i=0; i<8; i++)
+ if (m_busint[i] != CLEAR_LINE)
+ {
+ new_state = ASSERT_LINE;
+ break;
+ }
+
+ m_slot7a->busint_w(new_state);
+ m_slot7->busint_w(new_state);
+ m_maincpu->set_input_line(0, new_state);
+}
+
+void dmv_state::update_irqs(int slot, int state)
+{
+ m_irqs[slot] = state;
+
+ switch(slot)
+ {
+ case 0: // slot 2
+ m_slot7->irq2_w(state);
+ m_slot7a->irq2_w(state);
+ break;
+ case 1: // slot 2a
+ m_slot7->irq2a_w(state);
+ m_slot7a->irq2a_w(state);
+ break;
+ case 2: // slot 3
+ m_slot7->irq3_w(state);
+ m_slot7a->irq3_w(state);
+ break;
+ case 3: // slot 4
+ m_slot7->irq4_w(state);
+ m_slot7a->irq4_w(state);
+ break;
+ case 4: // slot 5
+ m_slot7->irq5_w(state);
+ m_slot7a->irq5_w(state);
+ break;
+ case 5: // slot 6
+ m_slot7->irq6_w(state);
+ m_slot7a->irq6_w(state);
+ break;
+ }
+}
+
+void dmv_state::program_write(address_space &space, int cas, offs_t offset, UINT8 data)
+{
+ bool tramd = false;
+ dmvcart_slot_device *slots[] = { m_slot2, m_slot2a, m_slot3, m_slot4, m_slot5, m_slot6, m_slot7, m_slot7a };
+ for(int i=0; i<8 && !tramd; i++)
+ tramd = slots[i]->write(offset, data);
+
+ if (!tramd)
+ {
+ if (cas == 0)
+ m_ram->base()[offset & 0xffff] = data;
+ else
+ m_slot1->ram_write(cas, offset & 0xffff, data);
+ }
+}
+
+UINT8 dmv_state::program_read(address_space &space, int cas, offs_t offset)
+{
+ UINT8 data = 0xff;
+ if (m_ramoutdis && offset < 0x2000)
+ {
+ data = m_bootrom->base()[offset];
+ }
+ else
+ {
+ bool tramd = false;
+ dmvcart_slot_device *slots[] = { m_slot2, m_slot2a, m_slot3, m_slot4, m_slot5, m_slot6, m_slot7, m_slot7a };
+ for(int i=0; i<8 && !tramd; i++)
+ tramd = slots[i]->read(offset, data);
+
+ if (!tramd)
+ {
+ if (cas == 0)
+ data = m_ram->base()[offset & 0xffff];
+ else
+ m_slot1->ram_read(cas, offset & 0xffff, data);
+ }
+ }
+
+ return data;
+}
+
+static ADDRESS_MAP_START(dmv_mem, AS_PROGRAM, 8, dmv_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE( 0x0000, 0xffff ) AM_READWRITE(program_r, program_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( dmv_io , AS_IO, 8, dmv_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x00, 0x00) AM_WRITE(leds_w)
+ AM_RANGE(0x10, 0x10) AM_READWRITE(ramsel_r, ramsel_w)
+ AM_RANGE(0x11, 0x11) AM_READWRITE(romsel_r, romsel_w)
+ AM_RANGE(0x12, 0x12) AM_WRITE(tc_set_w)
+ AM_RANGE(0x13, 0x13) AM_READ(sys_status_r)
+ AM_RANGE(0x14, 0x14) AM_WRITE(fdd_motor_w)
+ AM_RANGE(0x20, 0x2f) AM_DEVREADWRITE("dma8237", am9517a_device, read, write)
+ AM_RANGE(0x40, 0x41) AM_DEVREADWRITE("kb_ctrl_mcu", upi41_cpu_device, upi41_master_r, upi41_master_w)
+ AM_RANGE(0x50, 0x51) AM_DEVICE("i8272", i8272a_device, map)
+ AM_RANGE(0x80, 0x83) AM_DEVREADWRITE("pit8253", pit8253_device, read, write)
+ AM_RANGE(0xa0, 0xa1) AM_DEVREADWRITE("upd7220", upd7220_device, read, write)
+ AM_RANGE(0xd0, 0xd7) AM_WRITE(switch16_w)
+ AM_RANGE(0xe0, 0xe7) AM_WRITE(rambank_w)
+
+ AM_RANGE(0x60, 0x6f) AM_READWRITE(ifsel0_r, ifsel0_w)
+ AM_RANGE(0x70, 0x7f) AM_READWRITE(ifsel1_r, ifsel1_w)
+ AM_RANGE(0x30, 0x3f) AM_READWRITE(ifsel2_r, ifsel2_w)
+ AM_RANGE(0xb0, 0xbf) AM_READWRITE(ifsel3_r, ifsel3_w)
+ AM_RANGE(0xc0, 0xcf) AM_READWRITE(ifsel4_r, ifsel4_w)
+ADDRESS_MAP_END
+
+READ8_MEMBER(dmv_state::kb_mcu_port1_r)
+{
+ return !(m_keyboard->sd_poll_r() & !m_sd_poll_state);
+}
+
+WRITE8_MEMBER(dmv_state::kb_mcu_port1_w)
+{
+ m_sd_poll_state = BIT(data, 1);
+ m_keyboard->sd_poll_w(!m_sd_poll_state);
+}
+
+WRITE8_MEMBER(dmv_state::kb_mcu_port2_w)
+{
+ m_speaker->level_w(BIT(data, 0));
+ m_slot7a->keyint_w(BIT(data, 4));
+ m_slot7->keyint_w(BIT(data, 4));
+}
+
+static ADDRESS_MAP_START( dmv_kb_ctrl_io, AS_IO, 8, dmv_state )
+ AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_READWRITE(kb_mcu_port1_r, kb_mcu_port1_w) // bit 0 data from kb, bit 1 data to kb
+ AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_WRITE(kb_mcu_port2_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( upd7220_map, AS_0, 16, dmv_state )
+ ADDRESS_MAP_GLOBAL_MASK(0x1ffff)
+ AM_RANGE(0x00000, 0x1ffff) AM_RAM AM_SHARE("video_ram")
+ADDRESS_MAP_END
+
+/* Input ports */
+INPUT_PORTS_START( dmv )
+ PORT_START("CONFIG")
+ PORT_CONFNAME( 0x01, 0x00, "Video Board" )
+ PORT_CONFSETTING( 0x00, "Monochrome" )
+ PORT_CONFSETTING( 0x01, "Color" )
+INPUT_PORTS_END
+
+void dmv_state::machine_start()
+{
+}
+
+void dmv_state::machine_reset()
+{
+ m_color_mode = ioport("CONFIG")->read() & 0x01;
+
+ m_ramoutdis = true;
+ m_ram_bank = 0;
+ m_eop_line = 0;
+ m_dack3_line = 0;
+ m_sd_poll_state = 0;
+ m_floppy_motor = 1;
+ m_switch16 = 0;
+ m_thold7 = 0;
+ m_dma_hrq = 0;
+ memset(m_busint, 0, sizeof(m_busint));
+ memset(m_irqs, 0, sizeof(m_irqs));
+
+ update_halt_line();
+}
+
+void dmv_state::update_halt_line()
+{
+ m_slot7->hold_w(m_dma_hrq);
+ m_slot7->switch16_w(m_switch16);
+ m_slot7a->hold_w(m_dma_hrq);
+ m_slot7a->switch16_w(m_switch16);
+
+ m_maincpu->set_input_line(INPUT_LINE_HALT, (m_thold7 || m_switch16 || m_dma_hrq) ? ASSERT_LINE : CLEAR_LINE);
+}
+
+/* F4 Character Displayer */
+static const gfx_layout dmv_charlayout =
+{
+ 8, 16, /* 8 x 16 characters */
+ 128, /* 128 characters */
+ 1, /* 1 bits per pixel */
+ { 0 }, /* no bitplanes */
+ /* x offsets */
+ { 7, 6, 5, 4, 3, 2, 1, 0 },
+ /* y offsets */
+ { STEP16(0,8) },
+ 8*16 /* every char takes 16 bytes */
+};
+
+static GFXDECODE_START( dmv )
+ GFXDECODE_ENTRY("chargen", 0x0000, dmv_charlayout, 0, 1)
+GFXDECODE_END
+
+
+//------------------------------------------------------------------------------------
+// I8237
+//------------------------------------------------------------------------------------
+
+WRITE_LINE_MEMBER( dmv_state::dma_hrq_changed )
+{
+ m_dma_hrq = state;
+ update_halt_line();
+
+ // Assert HLDA
+ m_dmac->hack_w(state);
+}
+
+WRITE_LINE_MEMBER( dmv_state::dmac_eop )
+{
+ if (!(m_dack3_line || m_eop_line) && (m_dack3_line || state))
+ m_fdc->tc_w(true);
+
+ m_eop_line = state;
+}
+
+WRITE_LINE_MEMBER( dmv_state::dmac_dack3 )
+{
+ if (!(m_dack3_line || m_eop_line) && (state || m_eop_line))
+ m_fdc->tc_w(true);
+
+ m_dack3_line = state;
+}
+
+WRITE_LINE_MEMBER( dmv_state::pit_out0 )
+{
+ if (!state)
+ {
+ m_floppy_motor = 1;
+ m_floppy0->get_device()->mon_w(m_floppy_motor);
+ m_floppy1->get_device()->mon_w(m_floppy_motor);
+ }
+}
+
+WRITE_LINE_MEMBER( dmv_state::timint_w )
+{
+ m_slot7a->timint_w(state);
+ m_slot7->timint_w(state);
+}
+
+WRITE_LINE_MEMBER( dmv_state::fdc_irq )
+{
+ m_slot7a->flexint_w(state);
+ m_slot7->flexint_w(state);
+
+ if (state)
+ m_fdc->tc_w(false);
+}
+
+
+FLOPPY_FORMATS_MEMBER( dmv_state::floppy_formats )
+ FLOPPY_DMV_FORMAT
+FLOPPY_FORMATS_END
+
+
+static SLOT_INTERFACE_START(dmv_slot1)
+ SLOT_INTERFACE("k200", DMV_K200) // K200 64K RAM expansion
+ SLOT_INTERFACE("k202", DMV_K202) // K202 192K RAM expansion
+ SLOT_INTERFACE("k208", DMV_K208) // K208 448K RAM expansion
+SLOT_INTERFACE_END
+
+static SLOT_INTERFACE_START(dmv_slot2_6)
+ SLOT_INTERFACE("k210", DMV_K210) // K210 Centronics
+ SLOT_INTERFACE("k211", DMV_K211) // K211 RS-232 Communications Interface
+ SLOT_INTERFACE("k212", DMV_K212) // K212 RS-232 Printer Interface
+ SLOT_INTERFACE("k213", DMV_K213) // K213 RS-232 Plotter Interface
+ SLOT_INTERFACE("k233", DMV_K233) // K233 16K Shared RAM
+ SLOT_INTERFACE("k801", DMV_K801) // K801 RS-232 Switchable Interface
+ SLOT_INTERFACE("k803", DMV_K803) // K803 RTC module
+ SLOT_INTERFACE("k806", DMV_K806) // K806 Mouse module
+SLOT_INTERFACE_END
+
+static SLOT_INTERFACE_START(dmv_slot7)
+ SLOT_INTERFACE("k220", DMV_K220) // K220 Diagnostic Module
+ SLOT_INTERFACE("k231", DMV_K231) // K231 External 8088 module without interrupt controller
+ SLOT_INTERFACE("k234", DMV_K234) // K234 External 68008 module
+SLOT_INTERFACE_END
+
+
+static SLOT_INTERFACE_START(dmv_slot2a)
+
+SLOT_INTERFACE_END
+
+static SLOT_INTERFACE_START(dmv_slot7a)
+ SLOT_INTERFACE("k230", DMV_K230) // K230 Internal 8088 module without interrupt controller
+ SLOT_INTERFACE("k235", DMV_K235) // K235 Internal 8088 module with interrupt controller
+SLOT_INTERFACE_END
+
+static MACHINE_CONFIG_START( dmv, dmv_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu",Z80, XTAL_24MHz / 6)
+ MCFG_CPU_PROGRAM_MAP(dmv_mem)
+ MCFG_CPU_IO_MAP(dmv_io)
+
+ MCFG_CPU_ADD("kb_ctrl_mcu", I8741, XTAL_6MHz)
+ MCFG_CPU_IO_MAP(dmv_kb_ctrl_io)
+
+ MCFG_QUANTUM_PERFECT_CPU("maincpu")
+
+ MCFG_DMV_KEYBOARD_ADD("keyboard")
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
+ MCFG_SCREEN_UPDATE_DEVICE("upd7220", upd7220_device, screen_update)
+ MCFG_SCREEN_SIZE(640, 400)
+ MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 400-1)
+
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", dmv)
+ MCFG_PALETTE_ADD_MONOCHROME_GREEN("palette")
+ MCFG_DEFAULT_LAYOUT(layout_dmv)
+
+ // devices
+ MCFG_DEVICE_ADD("upd7220", UPD7220, XTAL_5MHz/2) // unk clock
+ MCFG_DEVICE_ADDRESS_MAP(AS_0, upd7220_map)
+ MCFG_UPD7220_DISPLAY_PIXELS_CALLBACK_OWNER(dmv_state, hgdc_display_pixels)
+ MCFG_UPD7220_DRAW_TEXT_CALLBACK_OWNER(dmv_state, hgdc_draw_text)
+
+ MCFG_DEVICE_ADD( "dma8237", AM9517A, XTAL_4MHz )
+ MCFG_I8237_OUT_HREQ_CB(WRITELINE(dmv_state, dma_hrq_changed))
+ MCFG_I8237_OUT_EOP_CB(WRITELINE(dmv_state, dmac_eop))
+ MCFG_I8237_IN_MEMR_CB(READ8(dmv_state, program_r))
+ MCFG_I8237_OUT_MEMW_CB(WRITE8(dmv_state, program_w))
+ MCFG_I8237_IN_IOR_0_CB(LOGGER("DMA CH1", 0))
+ MCFG_I8237_OUT_IOW_0_CB(LOGGER("DMA CH1", 0))
+ MCFG_I8237_IN_IOR_1_CB(LOGGER("DMA CH2", 0))
+ MCFG_I8237_OUT_IOW_1_CB(LOGGER("DMA CH2", 0))
+ MCFG_I8237_IN_IOR_2_CB(DEVREAD8("upd7220", upd7220_device, dack_r))
+ MCFG_I8237_OUT_IOW_2_CB(DEVWRITE8("upd7220", upd7220_device, dack_w))
+ MCFG_I8237_IN_IOR_3_CB(DEVREAD8("i8272", i8272a_device, mdma_r))
+ MCFG_I8237_OUT_IOW_3_CB(DEVWRITE8("i8272", i8272a_device, mdma_w))
+ MCFG_I8237_OUT_DACK_3_CB(WRITELINE(dmv_state, dmac_dack3))
+
+ MCFG_I8272A_ADD( "i8272", true )
+ MCFG_UPD765_INTRQ_CALLBACK(WRITELINE(dmv_state, fdc_irq))
+ MCFG_UPD765_DRQ_CALLBACK(DEVWRITELINE("dma8237", am9517a_device, dreq3_w))
+ MCFG_FLOPPY_DRIVE_ADD("i8272:0", dmv_floppies, "525dd", dmv_state::floppy_formats)
+ MCFG_FLOPPY_DRIVE_ADD("i8272:1", dmv_floppies, "525dd", dmv_state::floppy_formats)
+
+ MCFG_DEVICE_ADD("pit8253", PIT8253, 0)
+ MCFG_PIT8253_CLK0(50)
+ MCFG_PIT8253_OUT0_HANDLER(WRITELINE(dmv_state, pit_out0))
+ MCFG_PIT8253_CLK2(XTAL_24MHz / 3 / 16)
+ MCFG_PIT8253_OUT2_HANDLER(WRITELINE(dmv_state, timint_w))
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO( "mono" )
+ MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
+
+ MCFG_DEVICE_ADD("slot1", DMVCART_SLOT, 0)
+ MCFG_DEVICE_SLOT_INTERFACE(dmv_slot1, NULL, false)
+ MCFG_DEVICE_ADD("slot2", DMVCART_SLOT, 0)
+ MCFG_DEVICE_SLOT_INTERFACE(dmv_slot2_6, NULL, false)
+ MCFG_DMVCART_SLOT_OUT_INT_CB(WRITELINE(dmv_state, busint2_w))
+ MCFG_DMVCART_SLOT_OUT_IRQ_CB(WRITELINE(dmv_state, irq2_w))
+ MCFG_DEVICE_ADD("slot2a", DMVCART_SLOT, 0)
+ MCFG_DEVICE_SLOT_INTERFACE(dmv_slot2a, NULL, false)
+ MCFG_DMVCART_SLOT_OUT_INT_CB(WRITELINE(dmv_state, busint2a_w))
+ MCFG_DMVCART_SLOT_OUT_IRQ_CB(WRITELINE(dmv_state, irq2a_w))
+ MCFG_DEVICE_ADD("slot3", DMVCART_SLOT, 0)
+ MCFG_DEVICE_SLOT_INTERFACE(dmv_slot2_6, NULL, false)
+ MCFG_DMVCART_SLOT_OUT_INT_CB(WRITELINE(dmv_state, busint3_w))
+ MCFG_DMVCART_SLOT_OUT_IRQ_CB(WRITELINE(dmv_state, irq3_w))
+ MCFG_DEVICE_ADD("slot4", DMVCART_SLOT, 0)
+ MCFG_DEVICE_SLOT_INTERFACE(dmv_slot2_6, NULL, false)
+ MCFG_DMVCART_SLOT_OUT_INT_CB(WRITELINE(dmv_state, busint4_w))
+ MCFG_DMVCART_SLOT_OUT_IRQ_CB(WRITELINE(dmv_state, irq4_w))
+ MCFG_DEVICE_ADD("slot5", DMVCART_SLOT, 0)
+ MCFG_DEVICE_SLOT_INTERFACE(dmv_slot2_6, NULL, false)
+ MCFG_DMVCART_SLOT_OUT_INT_CB(WRITELINE(dmv_state, busint5_w))
+ MCFG_DMVCART_SLOT_OUT_IRQ_CB(WRITELINE(dmv_state, irq5_w))
+ MCFG_DEVICE_ADD("slot6", DMVCART_SLOT, 0)
+ MCFG_DEVICE_SLOT_INTERFACE(dmv_slot2_6, NULL, false)
+ MCFG_DMVCART_SLOT_OUT_INT_CB(WRITELINE(dmv_state, busint6_w))
+ MCFG_DMVCART_SLOT_OUT_IRQ_CB(WRITELINE(dmv_state, irq6_w))
+
+ MCFG_DEVICE_ADD("slot7", DMVCART_SLOT, 0)
+ MCFG_DEVICE_SLOT_INTERFACE(dmv_slot7, NULL, false)
+ MCFG_DMVCART_SLOT_PROGRAM_READWRITE_CB(READ8(dmv_state, exp_program_r), WRITE8(dmv_state, exp_program_w))
+ MCFG_DMVCART_SLOT_OUT_THOLD_CB(WRITELINE(dmv_state, thold7_w))
+ MCFG_DMVCART_SLOT_OUT_INT_CB(WRITELINE(dmv_state, busint7_w))
+ MCFG_DMVCART_SLOT_OUT_IRQ_CB(WRITELINE(dmv_state, irq7_w))
+ MCFG_DEVICE_ADD("slot7a", DMVCART_SLOT, 0)
+ MCFG_DEVICE_SLOT_INTERFACE(dmv_slot7a, "k230", false)
+ MCFG_DMVCART_SLOT_PROGRAM_READWRITE_CB(READ8(dmv_state, exp_program_r), WRITE8(dmv_state, exp_program_w))
+ MCFG_DMVCART_SLOT_OUT_THOLD_CB(WRITELINE(dmv_state, thold7_w))
+ MCFG_DMVCART_SLOT_OUT_INT_CB(WRITELINE(dmv_state, busint7a_w))
+ MCFG_DMVCART_SLOT_OUT_IRQ_CB(WRITELINE(dmv_state, irq7a_w))
+
+ MCFG_SOFTWARE_LIST_ADD("flop_list", "dmv")
+
+MACHINE_CONFIG_END
+
+/* ROM definition */
+ROM_START( dmv )
+ ROM_REGION( 0x2000, "boot", 0 )
+ ROM_SYSTEM_BIOS(0, "c07", "C.07.00") // ROM bears the handwritten note "Color 7.0", this is from the machine that originally had Color, 68K and internal 8088
+ ROM_SYSTEM_BIOS(1, "m07", "M.07.00") // Mono machine with internal 8088 and internal HD
+ ROM_SYSTEM_BIOS(2, "m06", "M.06.00") // Mono machine
+ ROM_SYSTEM_BIOS(3, "m05", "M.05.00") // Mono machine, marked "updated"
+
+ ROMX_LOAD( "dmv_mb_rom_33610.bin", 0x00000, 0x02000, CRC(bf25f3f0) SHA1(0c7dd37704db4799e340cc836f887cd543e5c964), ROM_BIOS(1) )
+ ROMX_LOAD( "dmv_mb_rom_33609.bin", 0x00000, 0x02000, CRC(120951b6) SHA1(57bef9cc6379dea5730bc1477e8896508e00a349), ROM_BIOS(2) )
+ ROMX_LOAD( "dmv_mb_rom_32676.bin", 0x00000, 0x02000, CRC(7796519e) SHA1(8d5dd9c1e66c96fcca271b6f673d6a0e784acb33), ROM_BIOS(3) )
+ ROMX_LOAD( "dmv_mb_rom_32664.bin", 0x00000, 0x02000, CRC(6624610e) SHA1(e9226be897d2c5f875784ab77dad8807f14c7714), ROM_BIOS(4) )
+
+ ROM_REGION(0x400, "kb_ctrl_mcu", 0)
+ ROMX_LOAD( "dmv_mb_8741_32678.bin", 0x00000, 0x00400, CRC(50d1dc4c) SHA1(2c8251d6c8df9f507e11bf920869657f4d074db1), ROM_BIOS(1) )
+ ROMX_LOAD( "dmv_mb_8741_32678.bin", 0x00000, 0x00400, CRC(50d1dc4c) SHA1(2c8251d6c8df9f507e11bf920869657f4d074db1), ROM_BIOS(2) )
+ ROMX_LOAD( "dmv_mb_8741_32678.bin", 0x00000, 0x00400, CRC(50d1dc4c) SHA1(2c8251d6c8df9f507e11bf920869657f4d074db1), ROM_BIOS(3) )
+ ROMX_LOAD( "dmv_mb_8741_32121.bin", 0x00000, 0x00400, CRC(a03af298) SHA1(144cba41294c46f5ca79b7ad8ced0e4408168775), ROM_BIOS(4) )
+
+ ROM_REGION(0x800, "chargen", 0)
+ ROM_LOAD( "76161.bin", 0x00000, 0x00800, CRC(6e4df4f9) SHA1(20ff4fc48e55eaf5131f6573fff93e7f97d2f45d)) // same for both color and monochrome board
+
+ ROM_REGION(0x10000, "ram", ROMREGION_ERASE) // 64K RAM on mainboard
+ROM_END
+
+/* Driver */
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+COMP( 1984, dmv, 0, 0, dmv, dmv, driver_device, 0, "NCR", "Decision Mate V", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)