/********************************************************************** Commodore 2031 Single Disk Drive emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #pragma once #ifndef __C2031__ #define __C2031__ #include "emu.h" #include "cpu/m6502/m6502.h" #include "imagedev/flopdrv.h" #include "formats/d64_dsk.h" #include "formats/g64_dsk.h" #include "machine/64h156.h" #include "machine/6522via.h" #include "machine/ieee488.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> c2031_device class c2031_device : public device_t, public device_ieee488_interface { public: // construction/destruction c2031_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); DECLARE_WRITE_LINE_MEMBER( via0_irq_w ); DECLARE_READ8_MEMBER( via0_pa_r ); DECLARE_WRITE8_MEMBER( via0_pa_w ); DECLARE_READ8_MEMBER( via0_pb_r ); DECLARE_WRITE8_MEMBER( via0_pb_w ); DECLARE_READ_LINE_MEMBER( via0_ca1_r ); DECLARE_READ_LINE_MEMBER( via0_ca2_r ); DECLARE_WRITE_LINE_MEMBER( via1_irq_w ); DECLARE_READ8_MEMBER( via1_pb_r ); DECLARE_WRITE8_MEMBER( via1_pb_w ); DECLARE_WRITE_LINE_MEMBER( byte_w ); // 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_config_complete() { m_shortname = "c2031"; } virtual void device_start(); virtual void device_reset(); // device_ieee488_interface overrides virtual void ieee488_atn(int state); virtual void ieee488_ifc(int state); inline int get_device_number(); required_device m_maincpu; required_device m_via0; required_device m_via1; required_device m_ga; required_device m_image; // IEEE-488 bus int m_nrfd_out; // not ready for data int m_ndac_out; // not data accepted int m_atna; // attention acknowledge // interrupts int m_via0_irq; // VIA #0 interrupt request int m_via1_irq; // VIA #1 interrupt request }; // device type definition extern const device_type C2031; #endif