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Diffstat (limited to 'src/devices/bus/cbmiec/c1581.h')
-rw-r--r-- | src/devices/bus/cbmiec/c1581.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/devices/bus/cbmiec/c1581.h b/src/devices/bus/cbmiec/c1581.h new file mode 100644 index 00000000000..4a2ac6a28a5 --- /dev/null +++ b/src/devices/bus/cbmiec/c1581.h @@ -0,0 +1,112 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Commodore 1581/1563 Single Disk Drive emulation + +**********************************************************************/ + +#pragma once + +#ifndef __C1581__ +#define __C1581__ + +#include "emu.h" +#include "cbmiec.h" +#include "cpu/m6502/m6502.h" +#include "formats/d81_dsk.h" +#include "machine/mos6526.h" +#include "machine/wd_fdc.h" + + + +//************************************************************************** +// MACROS / CONSTANTS +//************************************************************************** + +#define C1581_TAG "c1581" + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> c1581_t + +class c1581_t : public device_t, + public device_cbm_iec_interface +{ +public: + // construction/destruction + c1581_t(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + c1581_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_WRITE_LINE_MEMBER( cnt_w ); + DECLARE_WRITE_LINE_MEMBER( sp_w ); + DECLARE_READ8_MEMBER( cia_pa_r ); + DECLARE_WRITE8_MEMBER( cia_pa_w ); + DECLARE_READ8_MEMBER( cia_pb_r ); + DECLARE_WRITE8_MEMBER( cia_pb_w ); + + DECLARE_FLOPPY_FORMATS( floppy_formats ); + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + + // device_cbm_iec_interface overrides + virtual void cbm_iec_srq(int state); + virtual void cbm_iec_atn(int state); + virtual void cbm_iec_data(int state); + virtual void cbm_iec_reset(int state); + + enum + { + LED_POWER = 0, + LED_ACT + }; + + void update_iec(); + + required_device<cpu_device> m_maincpu; + required_device<mos6526_device> m_cia; + required_device<wd1772_t> m_fdc; + required_device<floppy_image_device> m_floppy; + required_ioport m_address; + + int m_data_out; // serial data out + int m_atn_ack; // attention acknowledge + int m_fast_ser_dir; // fast serial direction + int m_sp_out; // fast serial data out + int m_cnt_out; // fast serial clock out +}; + + +// ======================> c1563_t + +class c1563_t : public c1581_t +{ +public: + // construction/destruction + c1563_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual const rom_entry *device_rom_region() const; +}; + + +// device type definition +extern const device_type C1563; +extern const device_type C1581; + + + +#endif |