// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Final Expansion v3 cartridge emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #pragma once #ifndef __VIC20_FE3__ #define __VIC20_FE3__ #include "emu.h" #include "exp.h" #include "machine/intelfsh.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> vic20_final_expansion_3_t class vic20_final_expansion_3_t : public device_t, public device_vic20_expansion_card_interface { public: // construction/destruction vic20_final_expansion_3_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // optional information overrides virtual const rom_entry *device_rom_region() const; virtual machine_config_constructor device_mconfig_additions() const; protected: // device-level overrides virtual void device_start(); virtual void device_reset(); // device_vic20_expansion_card_interface overrides virtual UINT8 vic20_cd_r(address_space &space, offs_t offset, UINT8 data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3); virtual void vic20_cd_w(address_space &space, offs_t offset, UINT8 data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3); 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 read_register(offs_t offset); void write_register(offs_t offset, UINT8 data); required_device m_flash_rom; optional_shared_ptr m_ram; UINT8 m_reg1; UINT8 m_reg2; int m_lockbit; }; // device type definition extern const device_type VIC20_FE3; #endif