// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Data 20 Corporation Video Pak cartridge emulation aka Data 20 Display Manager aka Protecto 40/80 **********************************************************************/ #ifndef MAME_BUS_VIC20_VIDEOPAK_H #define MAME_BUS_VIC20_VIDEOPAK_H #pragma once #include "exp.h" #include "video/mc6845.h" #include "emupal.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> vic20_video_pak_device class vic20_video_pak_device : public device_t, public device_vic20_expansion_card_interface { public: // construction/destruction vic20_video_pak_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; // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; virtual void device_add_mconfig(machine_config &config) override; // device_vic20_expansion_card_interface overrides virtual uint8_t vic20_cd_r(offs_t offset, uint8_t data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3) override; virtual void vic20_cd_w(offs_t offset, uint8_t data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3) override; private: MC6845_UPDATE_ROW( crtc_update_row ); required_device m_crtc; required_device m_palette; required_memory_region m_char_rom; memory_share_creator m_videoram; memory_share_creator m_ram; bool m_case; bool m_bank_size; bool m_bank_lsb; bool m_bank_msb; bool m_ram_enable; bool m_columns; }; // device type definition DECLARE_DEVICE_TYPE(VIC20_VIDEO_PAK, vic20_video_pak_device) #endif // MAME_BUS_VIC20_VIDEOPAK_H