// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Coleco Adam Expansion Port emulation **********************************************************************/ #ifndef MAME_BUS_ADAM_EXP_H #define MAME_BUS_ADAM_EXP_H #pragma once #include "softlist_dev.h" //************************************************************************** // CONSTANTS //************************************************************************** #define ADAM_LEFT_EXPANSION_SLOT_TAG "slot1" #define ADAM_CENTER_EXPANSION_SLOT_TAG "slot2" #define ADAM_RIGHT_EXPANSION_SLOT_TAG "slot3" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> adam_expansion_slot_device class device_adam_expansion_slot_card_interface; class adam_expansion_slot_device : public device_t, public device_slot_interface, public device_image_interface { public: // construction/destruction template adam_expansion_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock, T &&opts, char const *dflt) : adam_expansion_slot_device(mconfig, tag, owner, clock) { option_reset(); opts(*this); set_default_option(dflt); set_fixed(false); } adam_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual ~adam_expansion_slot_device() { } auto irq() { return m_write_irq.bind(); } // computer interface uint8_t bd_r(offs_t offset, uint8_t data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2); void bd_w(offs_t offset, uint8_t data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2); // cartridge interface DECLARE_WRITE_LINE_MEMBER( irq_w ) { m_write_irq(state); } protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; // image-level overrides virtual image_init_result call_load() override; virtual const software_list_loader &get_software_list_loader() const override { return rom_software_list_loader::instance(); } virtual iodevice_t image_type() const override { return IO_CARTSLOT; } virtual bool is_readable() const override { return 1; } virtual bool is_writeable() const override { return 0; } virtual bool is_creatable() const override { return 0; } virtual bool must_be_loaded() const override { return 0; } virtual bool is_reset_on_load() const override { return 1; } virtual const char *image_interface() const override { return "adam_rom"; } virtual const char *file_extensions() const override { return "bin,rom"; } // slot interface overrides virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override; devcb_write_line m_write_irq; device_adam_expansion_slot_card_interface *m_card; }; // ======================> device_adam_expansion_slot_card_interface class device_adam_expansion_slot_card_interface : public device_slot_card_interface { friend class adam_expansion_slot_device; protected: // construction/destruction device_adam_expansion_slot_card_interface(const machine_config &mconfig, device_t &device); // runtime virtual uint8_t adam_bd_r(offs_t offset, uint8_t data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2) { return data; } virtual void adam_bd_w(offs_t offset, uint8_t data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2) { } adam_expansion_slot_device *m_slot; optional_shared_ptr m_rom; }; // device type definition DECLARE_DEVICE_TYPE(ADAM_EXPANSION_SLOT, adam_expansion_slot_device) void adam_slot1_devices(device_slot_interface &device); void adam_slot2_devices(device_slot_interface &device); void adam_slot3_devices(device_slot_interface &device); #endif // MAME_BUS_ADAM_EXP_H