1 // license:BSD-3-Clause 2 // copyright-holders:Curt Coder 3 /********************************************************************** 4 5 Commodore IEEE-488 cartridge emulation 6 7 **********************************************************************/ 8 9 #ifndef MAME_BUS_C64_IEEE488_H 10 #define MAME_BUS_C64_IEEE488_H 11 12 #pragma once 13 14 #include "exp.h" 15 #include "bus/ieee488/ieee488.h" 16 #include "machine/6525tpi.h" 17 18 19 20 //************************************************************************** 21 // TYPE DEFINITIONS 22 //************************************************************************** 23 24 // ======================> c64_ieee488_device 25 26 class c64_ieee488_device : public device_t, 27 public device_c64_expansion_card_interface 28 { 29 public: 30 // construction/destruction 31 c64_ieee488_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); 32 33 protected: 34 // device-level overrides 35 virtual void device_start() override; 36 virtual void device_reset() override; 37 38 // optional information overrides 39 virtual void device_add_mconfig(machine_config &config) override; 40 41 // device_c64_expansion_card_interface overrides 42 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; 43 virtual void c64_cd_w(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) override; 44 virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw) override; 45 46 private: 47 uint8_t tpi_pa_r(); 48 void tpi_pa_w(uint8_t data); 49 uint8_t tpi_pc_r(offs_t offset); 50 void tpi_pc_w(uint8_t data); 51 52 required_device<tpi6525_device> m_tpi; 53 required_device<ieee488_device> m_bus; 54 required_device<c64_expansion_slot_device> m_exp; 55 56 int m_roml_sel; 57 }; 58 59 60 // device type definition 61 DECLARE_DEVICE_TYPE(C64_IEEE488, c64_ieee488_device) 62 63 64 #endif // MAME_BUS_C64_IEEE488_H 65