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Diffstat (limited to 'src/devices/bus/ieee488/c8280.h')
-rw-r--r-- | src/devices/bus/ieee488/c8280.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/devices/bus/ieee488/c8280.h b/src/devices/bus/ieee488/c8280.h new file mode 100644 index 00000000000..076edcd736c --- /dev/null +++ b/src/devices/bus/ieee488/c8280.h @@ -0,0 +1,90 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Commodore 8280 Dual 8" Disk Drive emulation + +**********************************************************************/ + +#pragma once + +#ifndef __C8280__ +#define __C8280__ + +#include "emu.h" +#include "ieee488.h" +#include "cpu/m6502/m6502.h" +#include "formats/c8280_dsk.h" +#include "machine/mos6530n.h" +#include "machine/wd_fdc.h" + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> c8280_t + +class c8280_t : public device_t, + public device_ieee488_interface +{ +public: + // construction/destruction + c8280_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; + virtual ioport_constructor device_input_ports() const; + + // not really public + DECLARE_READ8_MEMBER( dio_r ); + DECLARE_WRITE8_MEMBER( dio_w ); + DECLARE_READ8_MEMBER( riot1_pa_r ); + DECLARE_WRITE8_MEMBER( riot1_pa_w ); + DECLARE_READ8_MEMBER( riot1_pb_r ); + DECLARE_WRITE8_MEMBER( riot1_pb_w ); + DECLARE_READ8_MEMBER( fk5_r ); + DECLARE_WRITE8_MEMBER( fk5_w ); + + DECLARE_FLOPPY_FORMATS( floppy_formats ); + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + + // device_ieee488_interface overrides + void ieee488_atn(int state); + void ieee488_ifc(int state); + +private: + inline void update_ieee_signals(); + + required_device<cpu_device> m_maincpu; + required_device<cpu_device> m_fdccpu; + required_device<mos6532_t> m_riot0; + required_device<mos6532_t> m_riot1; + required_device<fd1797_t> m_fdc; + required_device<floppy_connector> m_floppy0; + required_device<floppy_connector> m_floppy1; + required_ioport m_address; + floppy_image_device *m_floppy; + + // IEEE-488 bus + int m_rfdo; // not ready for data output + int m_daco; // not data accepted output + int m_atna; // attention acknowledge + int m_ifc; + + UINT8 m_fk5; +}; + + +// device type definition +extern const device_type C8280; + + + +#endif |