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author Sandro Ronco <sronco@users.noreply.github.com>2014-09-21 08:37:12 +0000
committer Sandro Ronco <sronco@users.noreply.github.com>2014-09-21 08:37:12 +0000
commit2bf26ae0c2636afa0ade321fd907d293d924ed33 (patch)
tree61d3f36a6c3a0d0dcab072c1b458211d80c83a2b
parent24179c752286a41dc43f4c427e60ceabf2d0014d (diff)
(MESS) dmv: added K233 and K234 expansion modules. (nw)
-rw-r--r--.gitattributes2
-rw-r--r--src/emu/bus/bus.mak1
-rw-r--r--src/emu/bus/dmv/dmvbus.c10
-rw-r--r--src/emu/bus/dmv/dmvbus.h7
-rw-r--r--src/emu/bus/dmv/k230.c99
-rw-r--r--src/emu/bus/dmv/k230.h41
-rw-r--r--src/emu/bus/dmv/k233.c89
-rw-r--r--src/emu/bus/dmv/k233.h44
-rw-r--r--src/mess/drivers/dmv.c53
9 files changed, 332 insertions, 14 deletions
diff --git a/.gitattributes b/.gitattributes
index ee2b1f9046d..4e27ac779c6 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -834,6 +834,8 @@ src/emu/bus/dmv/k220.c svneol=native#text/plain
src/emu/bus/dmv/k220.h svneol=native#text/plain
src/emu/bus/dmv/k230.c svneol=native#text/plain
src/emu/bus/dmv/k230.h svneol=native#text/plain
+src/emu/bus/dmv/k233.c svneol=native#text/plain
+src/emu/bus/dmv/k233.h svneol=native#text/plain
src/emu/bus/dmv/k806.c svneol=native#text/plain
src/emu/bus/dmv/k806.h svneol=native#text/plain
src/emu/bus/dmv/ram.c svneol=native#text/plain
diff --git a/src/emu/bus/bus.mak b/src/emu/bus/bus.mak
index b14ac302350..aeb59ed6457 100644
--- a/src/emu/bus/bus.mak
+++ b/src/emu/bus/bus.mak
@@ -270,6 +270,7 @@ OBJDIRS += $(BUSOBJ)/dmv
BUSOBJS += $(BUSOBJ)/dmv/dmvbus.o
BUSOBJS += $(BUSOBJ)/dmv/k220.o
BUSOBJS += $(BUSOBJ)/dmv/k230.o
+BUSOBJS += $(BUSOBJ)/dmv/k233.o
BUSOBJS += $(BUSOBJ)/dmv/k806.o
BUSOBJS += $(BUSOBJ)/dmv/ram.o
endif
diff --git a/src/emu/bus/dmv/dmvbus.c b/src/emu/bus/dmv/dmvbus.c
index e21acfaf5ca..0484b539752 100644
--- a/src/emu/bus/dmv/dmvbus.c
+++ b/src/emu/bus/dmv/dmvbus.c
@@ -199,7 +199,8 @@ dmvcart_slot_device::dmvcart_slot_device(const machine_config &mconfig, const ch
device_slot_interface(mconfig, *this),
m_prog_read_cb(*this),
m_prog_write_cb(*this),
- m_out_irq_cb(*this)
+ m_out_irq_cb(*this),
+ m_out_thold_cb(*this)
{
}
@@ -224,6 +225,7 @@ void dmvcart_slot_device::device_start()
m_prog_read_cb.resolve_safe(0);
m_prog_write_cb.resolve_safe();
m_out_irq_cb.resolve_safe();
+ m_out_thold_cb.resolve_safe();
}
/*-------------------------------------------------
@@ -310,6 +312,12 @@ void dmvcart_slot_device::hold_w(int state)
m_cart->hold_w(state);
}
+void dmvcart_slot_device::switch16_w(int state)
+{
+ if (m_cart)
+ m_cart->switch16_w(state);
+}
+
void dmvcart_slot_device::irq0_w(int state)
{
if (m_cart)
diff --git a/src/emu/bus/dmv/dmvbus.h b/src/emu/bus/dmv/dmvbus.h
index de4d7d1b554..a5c827402bb 100644
--- a/src/emu/bus/dmv/dmvbus.h
+++ b/src/emu/bus/dmv/dmvbus.h
@@ -34,6 +34,7 @@ public:
// slot 7 and 7A
virtual bool av16bit() { return false; }
virtual void hold_w(int state) { }
+ virtual void switch16_w(int state) { }
virtual void irq0_w(int state) { }
virtual void irq1_w(int state) { }
virtual void irq2_w(int state) { }
@@ -58,6 +59,7 @@ public:
template<class _Object> static devcb_base &set_prog_read_callback(device_t &device, _Object object) { return downcast<dmvcart_slot_device &>(device).m_prog_read_cb.set_callback(object); }
template<class _Object> static devcb_base &set_prog_write_callback(device_t &device, _Object object) { return downcast<dmvcart_slot_device &>(device).m_prog_write_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_irq_callback(device_t &device, _Object object) { return downcast<dmvcart_slot_device &>(device).m_out_irq_cb.set_callback(object); }
+ template<class _Object> static devcb_base &set_out_thold_callback(device_t &device, _Object object) { return downcast<dmvcart_slot_device &>(device).m_out_thold_cb.set_callback(object); }
// device-level overrides
virtual void device_start();
@@ -70,6 +72,7 @@ public:
virtual void io_read(address_space &space, int ifsel, offs_t offset, UINT8 &data);
virtual void io_write(address_space &space, int ifsel, offs_t offset, UINT8 data);
virtual void hold_w(int state);
+ virtual void switch16_w(int state);
virtual void irq0_w(int state);
virtual void irq1_w(int state);
virtual void irq2_w(int state);
@@ -84,6 +87,7 @@ public:
devcb_read8 m_prog_read_cb;
devcb_write8 m_prog_write_cb;
devcb_write_line m_out_irq_cb;
+ devcb_write_line m_out_thold_cb;
device_dmvslot_interface* m_cart;
};
@@ -103,4 +107,7 @@ extern const device_type DMVCART_SLOT;
#define MCFG_DMVCART_SLOT_OUT_IRQ_CB(_devcb) \
devcb = &dmvcart_slot_device::set_out_irq_callback(*device, DEVCB_##_devcb);
+#define MCFG_DMVCART_SLOT_OUT_THOLD_CB(_devcb) \
+ devcb = &dmvcart_slot_device::set_out_thold_callback(*device, DEVCB_##_devcb);
+
#endif /* __DMV_CART_H__ */
diff --git a/src/emu/bus/dmv/k230.c b/src/emu/bus/dmv/k230.c
index 6a715ffd9df..0818c91a7d0 100644
--- a/src/emu/bus/dmv/k230.c
+++ b/src/emu/bus/dmv/k230.c
@@ -4,6 +4,7 @@
K230 Internal 8088 module without interrupt controller
K231 External 8088 module without interrupt controller
+ K234 External 68008 module
K235 Internal 8088 module with interrupt controller
***************************************************************************/
@@ -43,6 +44,11 @@ static ADDRESS_MAP_START(k230_io, AS_IO, 8, dmv_k230_device)
AM_RANGE( 0x00, 0xff ) AM_READWRITE(io_r, io_w)
ADDRESS_MAP_END
+static ADDRESS_MAP_START(k234_mem, AS_PROGRAM, 8, dmv_k230_device)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE( 0x00000, 0x7ffff ) AM_READWRITE(program_r, program_w)
+ AM_RANGE( 0xfff00, 0xfffff ) AM_READWRITE(io_r, io_w)
+ADDRESS_MAP_END
static ADDRESS_MAP_START(k235_io, AS_IO, 8, dmv_k230_device)
ADDRESS_MAP_UNMAP_HIGH
@@ -52,13 +58,18 @@ static ADDRESS_MAP_START(k235_io, AS_IO, 8, dmv_k230_device)
ADDRESS_MAP_END
static MACHINE_CONFIG_FRAGMENT( dmv_k230 )
- MCFG_CPU_ADD("maincpu", I8088, XTAL_24MHz / 6)
+ MCFG_CPU_ADD("maincpu", I8088, XTAL_15MHz / 3)
MCFG_CPU_PROGRAM_MAP(k230_mem)
MCFG_CPU_IO_MAP(k230_io)
MACHINE_CONFIG_END
+static MACHINE_CONFIG_FRAGMENT( dmv_k234 )
+ MCFG_CPU_ADD("maincpu", M68008, XTAL_16MHz / 2)
+ MCFG_CPU_PROGRAM_MAP(k234_mem)
+MACHINE_CONFIG_END
+
static MACHINE_CONFIG_FRAGMENT( dmv_k235 )
- MCFG_CPU_ADD("maincpu", V20, XTAL_24MHz / 6)
+ MCFG_CPU_ADD("maincpu", V20, XTAL_15MHz / 3)
MCFG_CPU_PROGRAM_MAP(k230_mem)
MCFG_CPU_IO_MAP(k235_io)
MCFG_CPU_IRQ_ACKNOWLEDGE_DEVICE("pic8259", pic8259_device, inta_cb)
@@ -73,6 +84,7 @@ MACHINE_CONFIG_END
const device_type DMV_K230 = &device_creator<dmv_k230_device>;
const device_type DMV_K231 = &device_creator<dmv_k231_device>;
+const device_type DMV_K234 = &device_creator<dmv_k234_device>;
const device_type DMV_K235 = &device_creator<dmv_k235_device>;
//**************************************************************************
@@ -109,6 +121,15 @@ dmv_k231_device::dmv_k231_device(const machine_config &mconfig, const char *tag,
}
//-------------------------------------------------
+// dmv_k234_device - constructor
+//-------------------------------------------------
+
+dmv_k234_device::dmv_k234_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+ : dmv_k230_device(mconfig, DMV_K234, "K234 68008", tag, owner, clock, "dmv_k234", __FILE__)
+{
+}
+
+//-------------------------------------------------
// dmv_k235_device - constructor
//-------------------------------------------------
@@ -129,12 +150,26 @@ void dmv_k230_device::device_start()
m_io = &machine().device<cpu_device>("maincpu")->space(AS_IO);
}
+void dmv_k234_device::device_start()
+{
+ dmv_k230_device::device_start();
+ m_io->install_readwrite_handler(0xd8, 0xdf, 0, 0, read8_delegate(FUNC(dmv_k234_device::snr_r), this), write8_delegate(FUNC(dmv_k234_device::snr_w), this), 0);
+}
+
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void dmv_k230_device::device_reset()
{
+ m_switch16 = 0;
+ m_hold = 0;
+}
+
+void dmv_k234_device::device_reset()
+{
+ dmv_k230_device::device_reset();
+ m_snr = 0;
}
//-------------------------------------------------
@@ -147,6 +182,11 @@ machine_config_constructor dmv_k230_device::device_mconfig_additions() const
return MACHINE_CONFIG_NAME( dmv_k230 );
}
+machine_config_constructor dmv_k234_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME( dmv_k234 );
+}
+
machine_config_constructor dmv_k235_device::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( dmv_k235 );
@@ -166,6 +206,11 @@ const rom_entry *dmv_k231_device::device_rom_region() const
return ROM_NAME( dmv_k231 );
}
+const rom_entry *dmv_k234_device::device_rom_region() const
+{
+ return NULL;
+}
+
const rom_entry *dmv_k235_device::device_rom_region() const
{
return ROM_NAME( dmv_k235 );
@@ -178,7 +223,14 @@ bool dmv_k230_device::av16bit()
void dmv_k230_device::hold_w(int state)
{
- m_maincpu->set_input_line(INPUT_LINE_HALT, state);
+ m_hold = state;
+ m_maincpu->set_input_line(INPUT_LINE_HALT, (m_hold || !m_switch16) ? ASSERT_LINE : CLEAR_LINE);
+}
+
+void dmv_k230_device::switch16_w(int state)
+{
+ m_switch16 = state;
+ m_maincpu->set_input_line(INPUT_LINE_HALT, (m_hold || !m_switch16) ? ASSERT_LINE : CLEAR_LINE);
}
READ8_MEMBER(dmv_k230_device::rom_r)
@@ -194,14 +246,49 @@ READ8_MEMBER( dmv_k230_device::io_r )
WRITE8_MEMBER( dmv_k230_device::io_w )
{
m_io->write_byte(offset, data);
-};
+}
READ8_MEMBER( dmv_k230_device::program_r )
{
return m_bus->m_prog_read_cb(space, offset);
-};
+}
WRITE8_MEMBER( dmv_k230_device::program_w )
{
m_bus->m_prog_write_cb(space, offset, data);
-};
+}
+
+void dmv_k234_device::hold_w(int state)
+{
+ m_hold = state;
+ m_maincpu->set_input_line(INPUT_LINE_HALT, (m_hold || !m_snr) ? ASSERT_LINE : CLEAR_LINE);
+}
+
+void dmv_k234_device::switch16_w(int state)
+{
+ if (m_switch16 != state)
+ {
+ m_snr = CLEAR_LINE;
+ m_maincpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE);
+ m_bus->m_out_thold_cb(CLEAR_LINE);
+ m_switch16 = state;
+ }
+}
+
+READ8_MEMBER( dmv_k234_device::snr_r )
+{
+ m_snr = ASSERT_LINE;
+ m_maincpu->set_input_line(INPUT_LINE_HALT, CLEAR_LINE);
+ m_maincpu->reset();
+ m_bus->m_out_thold_cb(ASSERT_LINE);
+
+ return 0xff;
+}
+
+WRITE8_MEMBER( dmv_k234_device::snr_w )
+{
+ m_snr = ASSERT_LINE;
+ m_maincpu->set_input_line(INPUT_LINE_HALT, CLEAR_LINE);
+ m_maincpu->reset();
+ m_bus->m_out_thold_cb(ASSERT_LINE);
+}
diff --git a/src/emu/bus/dmv/k230.h b/src/emu/bus/dmv/k230.h
index 413684ceef6..4660a3f5aba 100644
--- a/src/emu/bus/dmv/k230.h
+++ b/src/emu/bus/dmv/k230.h
@@ -9,6 +9,9 @@
#include "dmvbus.h"
#include "cpu/i86/i86.h"
+// K234
+#include "cpu/m68000/m68000.h"
+
// K235
#include "cpu/nec/nec.h"
#include "machine/pic8259.h"
@@ -46,13 +49,16 @@ protected:
// dmvcart_interface overrides
virtual void hold_w(int state);
+ virtual void switch16_w(int state);
virtual bool av16bit();
-private:
+protected:
required_device<cpu_device> m_maincpu;
- required_memory_region m_rom;
+ optional_memory_region m_rom;
dmvcart_slot_device * m_bus;
address_space * m_io;
+ int m_switch16;
+ int m_hold;
};
@@ -70,6 +76,36 @@ public:
};
+// ======================> dmv_k234_device
+
+class dmv_k234_device :
+ public dmv_k230_device
+{
+public:
+ // construction/destruction
+ dmv_k234_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ DECLARE_READ8_MEMBER(snr_r);
+ DECLARE_WRITE8_MEMBER(snr_w);
+
+protected:
+ // optional information overrides
+ virtual const rom_entry *device_rom_region() const;
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // dmvcart_interface overrides
+ virtual void hold_w(int state);
+ virtual void switch16_w(int state);
+
+private:
+ int m_snr;
+};
+
+
// ======================> dmv_k235_device
class dmv_k235_device :
@@ -100,6 +136,7 @@ private:
// device type definition
extern const device_type DMV_K230;
extern const device_type DMV_K231;
+extern const device_type DMV_K234;
extern const device_type DMV_K235;
#endif /* __DMV_K230_H__ */
diff --git a/src/emu/bus/dmv/k233.c b/src/emu/bus/dmv/k233.c
new file mode 100644
index 00000000000..859b8b7f8f8
--- /dev/null
+++ b/src/emu/bus/dmv/k233.c
@@ -0,0 +1,89 @@
+// license:BSD-3-Clause
+// copyright-holders:Sandro Ronco
+/***************************************************************************
+
+ K233 16K Shared RAM
+
+***************************************************************************/
+
+#include "emu.h"
+#include "k233.h"
+
+
+/***************************************************************************
+ IMPLEMENTATION
+***************************************************************************/
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+const device_type DMV_K233 = &device_creator<dmv_k233_device>;
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// dmv_k233_device - constructor
+//-------------------------------------------------
+
+dmv_k233_device::dmv_k233_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+ : device_t(mconfig, DMV_K233, "K233 16K Shared RAM", tag, owner, clock, "dmv_k233", __FILE__),
+ device_dmvslot_interface( mconfig, *this )
+{
+}
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void dmv_k233_device::device_start()
+{
+ m_ram = machine().memory().region_alloc( "sharedram", 0x4000, 1, ENDIANNESS_LITTLE )->base();
+}
+
+//-------------------------------------------------
+// device_reset - device-specific reset
+//-------------------------------------------------
+
+void dmv_k233_device::device_reset()
+{
+ m_enabled = false;
+}
+
+void dmv_k233_device::io_write(address_space &space, int ifsel, offs_t offset, UINT8 data)
+{
+ if (ifsel == 1)
+ m_enabled = !m_enabled;
+}
+
+//-------------------------------------------------
+// read
+//-------------------------------------------------
+
+bool dmv_k233_device::read(offs_t offset, UINT8 &data)
+{
+ if (m_enabled && offset >= 0xc000 && offset < 0x10000)
+ {
+ data = m_ram[offset & 0x3fff];
+ return true;
+ }
+
+ return false;
+}
+
+//-------------------------------------------------
+// write
+//-------------------------------------------------
+
+bool dmv_k233_device::write(offs_t offset, UINT8 data)
+{
+ if (m_enabled && offset >= 0xc000 && offset < 0x10000)
+ {
+ m_ram[offset & 0x3fff] = data;
+ return true;
+ }
+
+ return false;
+}
diff --git a/src/emu/bus/dmv/k233.h b/src/emu/bus/dmv/k233.h
new file mode 100644
index 00000000000..5aeb5b6c782
--- /dev/null
+++ b/src/emu/bus/dmv/k233.h
@@ -0,0 +1,44 @@
+// license:BSD-3-Clause
+// copyright-holders:Sandro Ronco
+#pragma once
+
+#ifndef __DMV_K233_H__
+#define __DMV_K233_H__
+
+#include "emu.h"
+#include "dmvbus.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================>
+
+class dmv_k233_device :
+ public device_t,
+ public device_dmvslot_interface
+{
+public:
+ // construction/destruction
+ dmv_k233_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // dmvcart_interface overrides
+ virtual void io_write(address_space &space, int ifsel, offs_t offset, UINT8 data);
+ virtual bool read(offs_t offset, UINT8 &data);
+ virtual bool write(offs_t offset, UINT8 data);
+
+private:
+ bool m_enabled;
+ UINT8 * m_ram;
+};
+
+
+// device type definition
+extern const device_type DMV_K233;
+
+#endif /* __DMV_K233_H__ */
diff --git a/src/mess/drivers/dmv.c b/src/mess/drivers/dmv.c
index 63aa3cbb008..e9920c6c7d2 100644
--- a/src/mess/drivers/dmv.c
+++ b/src/mess/drivers/dmv.c
@@ -24,6 +24,7 @@
#include "bus/dmv/dmvbus.h"
#include "bus/dmv/k220.h"
#include "bus/dmv/k230.h"
+#include "bus/dmv/k233.h"
#include "bus/dmv/k806.h"
#include "bus/dmv/ram.h"
@@ -100,6 +101,8 @@ public:
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);
@@ -110,6 +113,8 @@ public:
DECLARE_WRITE8_MEMBER(program_w);
DECLARE_READ8_MEMBER(exp_program_r);
DECLARE_WRITE8_MEMBER(exp_program_w);
+ DECLARE_WRITE_LINE_MEMBER(thold7_w);
+ DECLARE_WRITE_LINE_MEMBER(busint_w);
DECLARE_FLOPPY_FORMATS( floppy_formats );
UINT8 program_read(address_space &space, int cas, offs_t offset);
@@ -133,6 +138,7 @@ public:
bool m_ramoutdis;
int m_switch16;
+ int m_thold7;
int m_dma_hrq;
int m_ram_bank;
bool m_color_mode;
@@ -173,6 +179,18 @@ WRITE8_MEMBER(dmv_state::leds_w)
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;
@@ -348,6 +366,21 @@ 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();
+ }
+}
+
+WRITE_LINE_MEMBER( dmv_state::busint_w )
+{
+ m_slot7a->irq2_w(state);
+ m_slot7->irq2_w(state);
+}
+
void dmv_state::program_write(address_space &space, int cas, offs_t offset, UINT8 data)
{
bool tramd = false;
@@ -399,8 +432,8 @@ 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_WRITE(ramsel_w)
- AM_RANGE(0x11, 0x11) AM_WRITE(romsel_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)
@@ -470,6 +503,7 @@ void dmv_state::machine_reset()
m_sd_poll_state = 0;
m_floppy_motor = 1;
m_switch16 = 0;
+ m_thold7 = 0;
m_dma_hrq = 0;
update_halt_line();
@@ -477,9 +511,12 @@ void dmv_state::machine_reset()
void dmv_state::update_halt_line()
{
- m_slot7->hold_w(!m_switch16 || m_dma_hrq ? ASSERT_LINE : CLEAR_LINE);
- m_slot7a->hold_w(!m_switch16 || m_dma_hrq ? ASSERT_LINE : CLEAR_LINE);
- m_maincpu->set_input_line(INPUT_LINE_HALT, m_switch16 || m_dma_hrq ? ASSERT_LINE : CLEAR_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 */
@@ -568,12 +605,14 @@ static SLOT_INTERFACE_START(dmv_slot1)
SLOT_INTERFACE_END
static SLOT_INTERFACE_START(dmv_slot2_6)
+ SLOT_INTERFACE("k233", DMV_K233) // K233 16K Shared RAM
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
@@ -667,9 +706,13 @@ static MACHINE_CONFIG_START( dmv, dmv_state )
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_IRQ_CB(WRITELINE(dmv_state, busint_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_IRQ_CB(WRITELINE(dmv_state, busint_w))
MACHINE_CONFIG_END