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tiki100: Added the expansion bus slots to the Z80 daisy chain. [Curt Coder]

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This commit is contained in:
Curt Coder 2015-10-15 23:35:19 +03:00
parent f2d7ec807c
commit 0f07c5b65d
3 changed files with 59 additions and 35 deletions
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9
src/devices/bus/tiki100/exp.c
View File

@ -28,7 +28,8 @@ const device_type TIKI100_BUS_SLOT = &device_creator<tiki100_bus_slot_t>;
tiki100_bus_slot_t::tiki100_bus_slot_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
device_t(mconfig, TIKI100_BUS_SLOT, "TIKI-100 expansion bus slot", tag, owner, clock, "tiki100bus_slot", __FILE__),
device_slot_interface(mconfig, *this)
device_slot_interface(mconfig, *this),
device_z80daisy_interface(mconfig, *this)
{
}
@ -41,7 +42,11 @@ void tiki100_bus_slot_t::device_start()
{
m_bus = machine().device<tiki100_bus_t>(TIKI100_BUS_TAG);
device_tiki100bus_card_interface *dev = dynamic_cast<device_tiki100bus_card_interface *>(get_card_device());
if (dev) m_bus->add_card(dev);
if (dev)
{
m_bus->add_card(dev);
m_card = dev;
}
}

78
src/devices/bus/tiki100/exp.h
View File

@ -15,6 +15,7 @@
#define __TIKI100_BUS__
#include "emu.h"
#include "cpu/z80/z80daisy.h"
@ -53,9 +54,47 @@
// ======================> tiki100_bus_slot_t
class tiki100_bus_t;
class tiki100_bus_slot_t;
// ======================> device_tiki100bus_card_interface
class device_tiki100bus_card_interface : public device_slot_card_interface
{
friend class tiki100_bus_t;
public:
// construction/destruction
device_tiki100bus_card_interface(const machine_config &mconfig, device_t &device);
virtual ~device_tiki100bus_card_interface() { }
device_tiki100bus_card_interface *next() const { return m_next; }
// memory access
virtual UINT8 mrq_r(address_space &space, offs_t offset, UINT8 data, bool &mdis) { mdis = 1; return data; };
virtual void mrq_w(address_space &space, offs_t offset, UINT8 data) { };
// I/O access
virtual UINT8 iorq_r(address_space &space, offs_t offset, UINT8 data) { return data; };
virtual void iorq_w(address_space &space, offs_t offset, UINT8 data) { };
// Z80 daisy chain
virtual int z80daisy_irq_state() { return 0; }
virtual int z80daisy_irq_ack() { return 0; }
virtual void z80daisy_irq_reti() { }
tiki100_bus_t *m_bus;
tiki100_bus_slot_t *m_slot;
device_tiki100bus_card_interface *m_next;
};
// ======================> tiki100_bus_slot_t
class tiki100_bus_slot_t : public device_t,
public device_slot_interface
public device_slot_interface,
public device_z80daisy_interface
{
public:
// construction/destruction
@ -64,9 +103,16 @@ public:
// device-level overrides
virtual void device_start();
protected:
// device_z80daisy_interface overrides
virtual int z80daisy_irq_state() { return get_card_device() ? m_card->z80daisy_irq_state() : 0; }
virtual int z80daisy_irq_ack() { return get_card_device() ? m_card->z80daisy_irq_ack() : 0; }
virtual void z80daisy_irq_reti() { if (get_card_device()) m_card->z80daisy_irq_reti(); }
private:
// configuration
tiki100_bus_t *m_bus;
device_tiki100bus_card_interface *m_card;
};
@ -74,9 +120,6 @@ private:
extern const device_type TIKI100_BUS_SLOT;
class device_tiki100bus_card_interface;
// ======================> tiki100_bus_t
class tiki100_bus_t : public device_t
@ -118,33 +161,6 @@ private:
extern const device_type TIKI100_BUS;
// ======================> device_tiki100bus_card_interface
// class representing interface-specific live tiki100bus card
class device_tiki100bus_card_interface : public device_slot_card_interface
{
friend class tiki100_bus_t;
public:
// construction/destruction
device_tiki100bus_card_interface(const machine_config &mconfig, device_t &device);
virtual ~device_tiki100bus_card_interface() { }
device_tiki100bus_card_interface *next() const { return m_next; }
// memory access
virtual UINT8 mrq_r(address_space &space, offs_t offset, UINT8 data, bool &mdis) { mdis = 1; return data; };
virtual void mrq_w(address_space &space, offs_t offset, UINT8 data) { };
// I/O access
virtual UINT8 iorq_r(address_space &space, offs_t offset, UINT8 data) { return data; };
virtual void iorq_w(address_space &space, offs_t offset, UINT8 data) { };
tiki100_bus_t *m_bus;
tiki100_bus_slot_t *m_slot;
device_tiki100bus_card_interface *m_next;
};
SLOT_INTERFACE_EXTERN( tiki100_cards );

7
src/mame/drivers/tiki100.c
View File

@ -651,6 +651,9 @@ static const z80_daisy_config tiki100_daisy_chain[] =
{ Z80CTC_TAG },
{ Z80DART_TAG },
{ Z80PIO_TAG },
{ "slot1" },
{ "slot2" },
{ "slot3" },
{ NULL }
};
@ -706,8 +709,8 @@ static MACHINE_CONFIG_START( tiki100, tiki100_state )
MCFG_PALETTE_ADD("palette", 16)
MCFG_TIKI100_BUS_ADD()
//MCFG_TIKI100_BUS_IRQ_CALLBACK()
//MCFG_TIKI100_BUS_NMI_CALLBACK()
MCFG_TIKI100_BUS_IRQ_CALLBACK(INPUTLINE(Z80_TAG, INPUT_LINE_IRQ0))
MCFG_TIKI100_BUS_NMI_CALLBACK(INPUTLINE(Z80_TAG, INPUT_LINE_NMI))
MCFG_TIKI100_BUS_SLOT_ADD("slot1", "8088")
MCFG_TIKI100_BUS_SLOT_ADD("slot2", "hdc")
MCFG_TIKI100_BUS_SLOT_ADD("slot3", NULL)