1 // license:BSD-3-Clause 2 // copyright-holders:Curt Coder 3 /********************************************************************** 4 5 CMD Turbo232 RS-232 cartridge emulation 6 7 **********************************************************************/ 8 9 #ifndef MAME_BUS_C64_TURBO232_H 10 #define MAME_BUS_C64_TURBO232_H 11 12 #pragma once 13 14 15 #include "exp.h" 16 #include "machine/mos6551.h" 17 #include "bus/rs232/rs232.h" 18 19 20 21 //************************************************************************** 22 // TYPE DEFINITIONS 23 //************************************************************************** 24 25 // ======================> c64_turbo232_cartridge_device 26 27 class c64_turbo232_cartridge_device : public device_t, 28 public device_c64_expansion_card_interface 29 { 30 public: 31 // construction/destruction 32 c64_turbo232_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); 33 34 protected: 35 // device-level overrides 36 virtual void device_start() override; 37 virtual void device_reset() override; 38 39 // optional information overrides 40 virtual void device_add_mconfig(machine_config &config) override; 41 virtual ioport_constructor device_input_ports() const override; 42 43 // device_c64_expansion_card_interface overrides 44 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; 45 virtual void c64_cd_w(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) override; 46 47 private: 48 DECLARE_WRITE_LINE_MEMBER( acia_irq_w ); 49 50 required_device<mos6551_device> m_acia; 51 required_device<rs232_port_device> m_rs232; 52 required_ioport m_io_cs; 53 required_ioport m_io_irq; 54 55 enum 56 { 57 D700 = 0, 58 DE00, 59 DF00 60 }; 61 62 enum 63 { 64 IRQ = 0, 65 NMI 66 }; 67 68 enum 69 { 70 ES_S_230400 = 0x00, 71 ES_S_115200 = 0x01, 72 ES_S_57600 = 0x02, 73 ES_S_UNDEFINED = 0x03, 74 ES_S_MASK = 0x03, 75 ES_M = 0x04 76 }; 77 78 int m_cs; 79 int m_irq; 80 81 uint8_t m_es; 82 }; 83 84 85 // device type definition 86 DECLARE_DEVICE_TYPE(C64_TURBO232, c64_turbo232_cartridge_device) 87 88 89 #endif // MAME_BUS_C64_TURBO232_H 90