// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Final Expansion v3 cartridge emulation **********************************************************************/ #ifndef MAME_BUS_VIC20_FE3_H #define MAME_BUS_VIC20_FE3_H #pragma once #include "exp.h" #include "machine/intelfsh.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> vic20_final_expansion_3_device class vic20_final_expansion_3_device : public device_t, public device_vic20_expansion_card_interface { public: // construction/destruction vic20_final_expansion_3_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(address_space &space, 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(address_space &space, 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: enum { REG1_BLK0 = 0x01, REG1_BLK1 = 0x02, REG1_BLK2 = 0x04, REG1_BLK3 = 0x08, REG1_BLK5 = 0x10, REG1_START = 0x00, REG1_SUPER_ROM = 0x40, REG1_RAM_1 = 0x80, REG1_RAM_2 = 0xc0, REG1_SUPER_RAM = 0xa0, REG1_RAM_ROM = 0x60, REG1_FLASH = 0x20, REG1_MODE_MASK = 0xe0 }; enum { REG2_BLK0 = 0x01, REG2_BLK1 = 0x02, REG2_BLK2 = 0x04, REG2_BLK3 = 0x08, REG2_BLK5 = 0x10, REG2_A13 = 0x20, REG2_A14 = 0x40, REG2_IO3 = 0x80 }; offs_t get_address(int bank, int block, offs_t offset); uint8_t read_register(offs_t offset); void write_register(offs_t offset, uint8_t data); required_device m_flash_rom; optional_shared_ptr m_ram; uint8_t m_reg1; uint8_t m_reg2; int m_lockbit; }; // device type definition DECLARE_DEVICE_TYPE(VIC20_FE3, vic20_final_expansion_3_device) #endif // MAME_BUS_VIC20_FE3_H