/*************************************************************************** bml3bus.h - Hitachi MB-6890 slot bus and card emulation Adapted from a2bus by Jonathan Edwards ***************************************************************************/ #pragma once #ifndef __BML3BUS_H__ #define __BML3BUS_H__ #include "emu.h" #define BML3BUS_MAX_SLOTS 6 //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_BML3BUS_CPU(_cputag) \ bml3bus_device::static_set_cputag(*device, _cputag); #define MCFG_BML3BUS_OUT_NMI_CB(_devcb) \ devcb = &bml3bus_device::set_out_nmi_callback(*device, DEVCB2_##_devcb); #define MCFG_BML3BUS_OUT_IRQ_CB(_devcb) \ devcb = &bml3bus_device::set_out_irq_callback(*device, DEVCB2_##_devcb); #define MCFG_BML3BUS_OUT_FIRQ_CB(_devcb) \ devcb = &bml3bus_device::set_out_firq_callback(*device, DEVCB2_##_devcb); #define MCFG_BML3BUS_SLOT_ADD(_nbtag, _tag, _slot_intf, _def_slot) \ MCFG_DEVICE_ADD(_tag, BML3BUS_SLOT, 0) \ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) \ bml3bus_slot_device::static_set_bml3bus_slot(*device, _nbtag, _tag); #define MCFG_BML3BUS_SLOT_REMOVE(_tag) \ MCFG_DEVICE_REMOVE(_tag) #define MCFG_BML3BUS_ONBOARD_ADD(_nbtag, _tag, _dev_type) \ MCFG_DEVICE_ADD(_tag, _dev_type, 0) \ device_bml3bus_card_interface::static_set_bml3bus_tag(*device, _nbtag, _tag); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class bml3bus_device; class bml3bus_slot_device : public device_t, public device_slot_interface { public: // construction/destruction bml3bus_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); bml3bus_slot_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); // device-level overrides virtual void device_start(); // inline configuration static void static_set_bml3bus_slot(device_t &device, const char *tag, const char *slottag); protected: // configuration const char *m_bml3bus_tag, *m_bml3bus_slottag; }; // device type definition extern const device_type BML3BUS_SLOT; class device_bml3bus_card_interface; // ======================> bml3bus_device class bml3bus_device : public device_t { public: // construction/destruction bml3bus_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); bml3bus_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); // inline configuration static void static_set_cputag(device_t &device, const char *tag); template static devcb2_base &set_out_nmi_callback(device_t &device, _Object object) { return downcast(device).m_out_nmi_cb.set_callback(object); } template static devcb2_base &set_out_irq_callback(device_t &device, _Object object) { return downcast(device).m_out_irq_cb.set_callback(object); } template static devcb2_base &set_out_firq_callback(device_t &device, _Object object) { return downcast(device).m_out_firq_cb.set_callback(object); } void add_bml3bus_card(int slot, device_bml3bus_card_interface *card); device_bml3bus_card_interface *get_bml3bus_card(int slot); void set_nmi_line(int state); void set_irq_line(int state); void set_firq_line(int state); DECLARE_WRITE_LINE_MEMBER( nmi_w ); DECLARE_WRITE_LINE_MEMBER( irq_w ); DECLARE_WRITE_LINE_MEMBER( firq_w ); protected: // device-level overrides virtual void device_start(); virtual void device_reset(); // internal state cpu_device *m_maincpu; devcb2_write_line m_out_nmi_cb; devcb2_write_line m_out_irq_cb; devcb2_write_line m_out_firq_cb; device_bml3bus_card_interface *m_device_list[BML3BUS_MAX_SLOTS]; const char *m_cputag; }; // device type definition extern const device_type BML3BUS; // ======================> device_bml3bus_card_interface // class representing interface-specific live bml3bus card class device_bml3bus_card_interface : public device_slot_card_interface { friend class bml3bus_device; public: // construction/destruction device_bml3bus_card_interface(const machine_config &mconfig, device_t &device); virtual ~device_bml3bus_card_interface(); device_bml3bus_card_interface *next() const { return m_next; } void set_bml3bus_device(); void raise_slot_nmi() { m_bml3bus->set_nmi_line(ASSERT_LINE); } void lower_slot_nmi() { m_bml3bus->set_nmi_line(CLEAR_LINE); } void raise_slot_irq() { m_bml3bus->set_irq_line(ASSERT_LINE); } void lower_slot_irq() { m_bml3bus->set_irq_line(CLEAR_LINE); } void raise_slot_firq() { m_bml3bus->set_firq_line(ASSERT_LINE); } void lower_slot_firq() { m_bml3bus->set_firq_line(CLEAR_LINE); } // inline configuration static void static_set_bml3bus_tag(device_t &device, const char *tag, const char *slottag); public: bml3bus_device *m_bml3bus; const char *m_bml3bus_tag, *m_bml3bus_slottag; int m_slot; device_bml3bus_card_interface *m_next; }; #endif /* __BML3BUS_H__ */