mirror of
https://github.com/holub/mame
synced 2025-05-31 10:01:51 +03:00
130 lines
4.3 KiB
C++
130 lines
4.3 KiB
C++
// license:BSD-3-Clause
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// copyright-holders:Curt Coder
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/**********************************************************************
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Coleco Adam Expansion Port emulation
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**********************************************************************/
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#pragma once
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#ifndef __ADAM_EXPANSION_SLOT__
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#define __ADAM_EXPANSION_SLOT__
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#include "emu.h"
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//**************************************************************************
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// CONSTANTS
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//**************************************************************************
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#define ADAM_LEFT_EXPANSION_SLOT_TAG "slot1"
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#define ADAM_CENTER_EXPANSION_SLOT_TAG "slot2"
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#define ADAM_RIGHT_EXPANSION_SLOT_TAG "slot3"
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//**************************************************************************
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// INTERFACE CONFIGURATION MACROS
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//**************************************************************************
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#define MCFG_ADAM_EXPANSION_SLOT_ADD(_tag, _clock, _slot_intf, _def_slot) \
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MCFG_DEVICE_ADD(_tag, ADAM_EXPANSION_SLOT, _clock) \
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MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false)
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#define MCFG_ADAM_EXPANSION_SLOT_IRQ_CALLBACK(_write) \
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devcb = &adam_expansion_slot_device::set_irq_wr_callback(*device, DEVCB_##_write);
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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// ======================> adam_expansion_slot_device
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class device_adam_expansion_slot_card_interface;
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class adam_expansion_slot_device : public device_t,
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public device_slot_interface,
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public device_image_interface
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{
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public:
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// construction/destruction
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adam_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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virtual ~adam_expansion_slot_device() { }
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template<class _Object> static devcb_base &set_irq_wr_callback(device_t &device, _Object object) { return downcast<adam_expansion_slot_device &>(device).m_write_irq.set_callback(object); }
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// computer interface
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UINT8 bd_r(address_space &space, offs_t offset, UINT8 data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2);
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void bd_w(address_space &space, offs_t offset, UINT8 data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2);
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// cartridge interface
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DECLARE_WRITE_LINE_MEMBER( irq_w ) { m_write_irq(state); }
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protected:
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// device-level overrides
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virtual void device_config_complete() override { update_names(); }
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virtual void device_start() override;
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virtual void device_reset() override;
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// image-level overrides
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virtual bool call_load() override;
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virtual softlist_type get_softlist_type() const override { return softlist_type::ROM; }
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virtual iodevice_t image_type() const override { return IO_CARTSLOT; }
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virtual bool is_readable() const override { return 1; }
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virtual bool is_writeable() const override { return 0; }
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virtual bool is_creatable() const override { return 0; }
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virtual bool must_be_loaded() const override { return 0; }
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virtual bool is_reset_on_load() const override { return 1; }
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virtual const char *image_interface() const override { return "adam_rom"; }
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virtual const char *file_extensions() const override { return "bin,rom"; }
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// slot interface overrides
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virtual std::string get_default_card_software() override;
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devcb_write_line m_write_irq;
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device_adam_expansion_slot_card_interface *m_card;
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};
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// ======================> device_adam_expansion_slot_card_interface
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class device_adam_expansion_slot_card_interface : public device_slot_card_interface
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{
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friend class adam_expansion_slot_device;
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public:
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// construction/destruction
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device_adam_expansion_slot_card_interface(const machine_config &mconfig, device_t &device);
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virtual ~device_adam_expansion_slot_card_interface() { }
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protected:
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// runtime
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virtual UINT8 adam_bd_r(address_space &space, offs_t offset, UINT8 data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2) { return data; }
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virtual void adam_bd_w(address_space &space, offs_t offset, UINT8 data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2) { }
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adam_expansion_slot_device *m_slot;
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optional_shared_ptr<UINT8> m_rom;
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};
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// device type definition
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extern const device_type ADAM_EXPANSION_SLOT;
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SLOT_INTERFACE_EXTERN( adam_slot1_devices );
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SLOT_INTERFACE_EXTERN( adam_slot2_devices );
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SLOT_INTERFACE_EXTERN( adam_slot3_devices );
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#endif
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