// license:BSD-3-Clause // copyright-holders:Nigel Barnes #ifndef MAME_BUS_COCO_COCO_WPK_H #define MAME_BUS_COCO_COCO_WPK_H #pragma once #include "cococart.h" #include "video/mc6845.h" #include "emupal.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> coco_wpk_device class coco_wpk_device : public device_t, public device_cococart_interface { public: static constexpr feature_type imperfect_features() { return feature::GRAPHICS; } // construction/destruction coco_wpk_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); protected: // construction/destruction coco_wpk_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock); // device-level overrides virtual void device_start() override; virtual void device_reset() override; // optional information overrides virtual void device_add_mconfig(machine_config &config) override; virtual const tiny_rom_entry *device_rom_region() const override; required_device m_crtc; required_device m_palette; required_memory_region m_chargen; u16 m_video_addr; std::unique_ptr m_video_ram; void crtc_display_w(u8 data); MC6845_ON_UPDATE_ADDR_CHANGED(crtc_addr); MC6845_UPDATE_ROW(crtc_update_row); }; // ======================> coco_wpk2_device class coco_wpk2_device : public coco_wpk_device { public: // construction/destruction coco_wpk2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; private: void video_select_w(u8 data); }; // ======================> coco_wpkrs_device class coco_wpkrs_device : public coco_wpk_device { public: // construction/destruction coco_wpkrs_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; }; // device type definition DECLARE_DEVICE_TYPE(COCO_WPK, coco_wpk_device) DECLARE_DEVICE_TYPE(COCO_WPK2, coco_wpk2_device) DECLARE_DEVICE_TYPE(COCO_WPKRS, coco_wpkrs_device) #endif // MAME_BUS_COCO_COCO_WPK_H