1 // license:BSD-3-Clause 2 // copyright-holders:Curt Coder 3 /********************************************************************** 4 5 Batteries Included BusCard cartridge emulation 6 7 **********************************************************************/ 8 9 #ifndef MAME_BUS_C64_BUSCARD_H 10 #define MAME_BUS_C64_BUSCARD_H 11 12 #pragma once 13 14 15 #include "bus/c64/exp.h" 16 #include "bus/centronics/ctronics.h" 17 #include "bus/ieee488/ieee488.h" 18 #include "machine/ds75160a.h" 19 #include "machine/ds75161a.h" 20 #include "machine/i8255.h" 21 22 23 24 //************************************************************************** 25 // TYPE DEFINITIONS 26 //************************************************************************** 27 28 // ======================> buscard_t 29 30 class c64_buscard_device : public device_t, 31 public device_c64_expansion_card_interface 32 { 33 public: 34 // construction/destruction 35 c64_buscard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); 36 37 protected: 38 // device-level overrides 39 virtual void device_start() override; 40 virtual void device_reset() override; 41 42 // optional information overrides 43 virtual const tiny_rom_entry *device_rom_region() const override; 44 virtual void device_add_mconfig(machine_config &config) override; 45 virtual ioport_constructor device_input_ports() const override; 46 47 // device_c64_expansion_card_interface overrides 48 virtual uint8_t c64_cd_r(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) override; 49 virtual void c64_cd_w(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) override; 50 virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw) override; 51 virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw) override; 52 53 private: 54 required_device<i8255_device> m_ppi; 55 required_device<ds75160a_device> m_ieee1; 56 required_device<ds75161a_device> m_ieee2; 57 required_device<ieee488_device> m_bus; 58 required_device<centronics_device> m_centronics; 59 required_device<c64_expansion_slot_device> m_exp; 60 required_ioport m_s1; 61 required_memory_region m_rom; 62 63 bool m_te; 64 int m_bank; 65 bool m_basic; 66 bool m_dipsw; 67 bool m_busy; 68 69 uint8_t ppi_pa_r(); 70 void ppi_pa_w(uint8_t data); 71 void ppi_pb_w(uint8_t data); 72 uint8_t ppi_pc_r(); 73 void ppi_pc_w(uint8_t data); 74 DECLARE_WRITE_LINE_MEMBER( busy_w ); 75 76 bool pd_pgm1(offs_t offset, int sphi2); 77 bool pd_pgm234(offs_t offset, int sphi2, int bank); 78 }; 79 80 81 // device type definition 82 DECLARE_DEVICE_TYPE(C64_BUSCARD, c64_buscard_device) 83 84 85 #endif // MAME_BUS_C64_BUSCARD_H 86