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Diffstat (limited to 'src/mess/machine/c1581.h')
-rw-r--r-- | src/mess/machine/c1581.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/mess/machine/c1581.h b/src/mess/machine/c1581.h new file mode 100644 index 00000000000..ee3855f2b28 --- /dev/null +++ b/src/mess/machine/c1581.h @@ -0,0 +1,122 @@ +/********************************************************************** + + Commodore 1581/1563 Single Disk Drive emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +#pragma once + +#ifndef __C1581__ +#define __C1581__ + + +#include "emu.h" +#include "cpu/m6502/m6502.h" +#include "imagedev/flopdrv.h" +#include "formats/d81_dsk.h" +#include "machine/6526cia.h" +#include "machine/cbmiec.h" +#include "machine/wd17xx.h" + + + +//************************************************************************** +// MACROS / CONSTANTS +//************************************************************************** + +#define C1581_TAG "c1581" + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> base_c1581_device + +class base_c1581_device : public device_t, + public device_cbm_iec_interface +{ + +public: + // construction/destruction + base_c1581_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT32 variant); + + enum + { + TYPE_1563, + TYPE_1581 + }; + + // optional information overrides + virtual const rom_entry *device_rom_region() const; + virtual machine_config_constructor device_mconfig_additions() 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 ); + +protected: + // device-level overrides + virtual void device_config_complete(); + 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); + + inline void set_iec_data(); + inline void set_iec_srq(); + + required_device<cpu_device> m_maincpu; + required_device<mos6526_device> m_cia; + required_device<device_t> m_fdc; + required_device<legacy_floppy_image_device> m_image; + + 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 + + int m_variant; +}; + + +// ======================> c1563_device + +class c1563_device : public base_c1581_device +{ +public: + // construction/destruction + c1563_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); +}; + + +// ======================> c1581_device + +class c1581_device : public base_c1581_device +{ +public: + // construction/destruction + c1581_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); +}; + + +// device type definition +extern const device_type C1563; +extern const device_type C1581; + + + +#endif |