diff options
author | 2015-09-13 08:41:44 +0200 | |
---|---|---|
committer | 2015-09-13 08:41:44 +0200 | |
commit | f88cefad27a1737c76e09d99c9fb43e173506081 (patch) | |
tree | 2d8167d03579c46e226471747eb4407bd00ed6fa /src/devices/bus/bml3/bml3bus.h | |
parent | e92ac9e0fa8e99869894bea00589bbb526be30aa (diff) |
Move all devices into separate part of src tree (nw)
Diffstat (limited to 'src/devices/bus/bml3/bml3bus.h')
-rw-r--r-- | src/devices/bus/bml3/bml3bus.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/devices/bus/bml3/bml3bus.h b/src/devices/bus/bml3/bml3bus.h new file mode 100644 index 00000000000..63da81fd1fc --- /dev/null +++ b/src/devices/bus/bml3/bml3bus.h @@ -0,0 +1,153 @@ +// license:GPL-2.0+ +// copyright-holders:Jonathan Edwards +/*************************************************************************** + + 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, DEVCB_##_devcb); + +#define MCFG_BML3BUS_OUT_IRQ_CB(_devcb) \ + devcb = &bml3bus_device::set_out_irq_callback(*device, DEVCB_##_devcb); + +#define MCFG_BML3BUS_OUT_FIRQ_CB(_devcb) \ + devcb = &bml3bus_device::set_out_firq_callback(*device, DEVCB_##_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<class _Object> static devcb_base &set_out_nmi_callback(device_t &device, _Object object) { return downcast<bml3bus_device &>(device).m_out_nmi_cb.set_callback(object); } + template<class _Object> static devcb_base &set_out_irq_callback(device_t &device, _Object object) { return downcast<bml3bus_device &>(device).m_out_irq_cb.set_callback(object); } + template<class _Object> static devcb_base &set_out_firq_callback(device_t &device, _Object object) { return downcast<bml3bus_device &>(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; + + devcb_write_line m_out_nmi_cb; + devcb_write_line m_out_irq_cb; + devcb_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__ */ |