// license:BSD-3-Clause // copyright-holders:Nigel Barnes /********************************************************************** ALA11 - Acorn Plus 1 **********************************************************************/ #ifndef MAME_BUS_ELECTRON_PLUS1_H #define MAME_BUS_ELECTRON_PLUS1_H #include "exp.h" #include "machine/adc0844.h" #include "machine/input_merger.h" #include "bus/centronics/ctronics.h" #include "bus/electron/cart/slot.h" #include "bus/generic/slot.h" #include "bus/generic/carts.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class electron_plus1_device: public device_t, public device_electron_expansion_interface { public: // construction/destruction electron_plus1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: electron_plus1_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); // device-level overrides virtual void device_start() override; // optional information overrides virtual void device_add_mconfig(machine_config &config) override; virtual const tiny_rom_entry *device_rom_region() const override; virtual ioport_constructor device_input_ports() const override; virtual uint8_t expbus_r(offs_t offset) override; virtual void expbus_w(offs_t offset, uint8_t data) override; required_device m_irqs; required_memory_region m_exp_rom; required_device m_cart_sk1; required_device m_cart_sk2; required_device m_centronics; required_device m_cent_data_out; required_device m_adc; required_ioport_array<4> m_joy; required_ioport m_buttons; uint8_t m_romsel; int m_centronics_busy; int m_adc_ready; }; class electron_ap1_device : public electron_plus1_device { public: electron_ap1_device(const machine_config& mconfig, const char* tag, device_t* owner, uint32_t clock); protected: // optional information overrides virtual const tiny_rom_entry* device_rom_region() const override; }; class electron_ap6_device : public electron_plus1_device { public: electron_ap6_device(const machine_config& mconfig, const char* tag, device_t* owner, uint32_t clock); protected: // device-level overrides virtual void device_start() override; // optional information overrides virtual void device_add_mconfig(machine_config& config) override; virtual const tiny_rom_entry* device_rom_region() const override; virtual ioport_constructor device_input_ports() const override; virtual uint8_t expbus_r(offs_t offset) override; virtual void expbus_w(offs_t offset, uint8_t data) override; private: image_init_result load_rom(device_image_interface &image, generic_slot_device *slot); DECLARE_DEVICE_IMAGE_LOAD_MEMBER(rom1_load) { return load_rom(image, m_rom[0]); } DECLARE_DEVICE_IMAGE_LOAD_MEMBER(rom2_load) { return load_rom(image, m_rom[1]); } DECLARE_DEVICE_IMAGE_LOAD_MEMBER(rom3_load) { return load_rom(image, m_rom[2]); } DECLARE_DEVICE_IMAGE_LOAD_MEMBER(rom4_load) { return load_rom(image, m_rom[3]); } DECLARE_DEVICE_IMAGE_LOAD_MEMBER(rom5_load) { return load_rom(image, m_rom[4]); } DECLARE_DEVICE_IMAGE_LOAD_MEMBER(rom6_load) { return load_rom(image, m_rom[5]); } required_device_array m_rom; required_ioport m_links; std::unique_ptr m_ram; bool m_bank_locked[2]; }; // device type definition DECLARE_DEVICE_TYPE(ELECTRON_PLUS1, electron_plus1_device) DECLARE_DEVICE_TYPE(ELECTRON_AP1, electron_ap1_device) DECLARE_DEVICE_TYPE(ELECTRON_AP6, electron_ap6_device) #endif /* MAME_BUS_ELECTRON_PLUS1_H */