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Diffstat (limited to 'src/mess/machine/d9060.h')
-rw-r--r-- | src/mess/machine/d9060.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/mess/machine/d9060.h b/src/mess/machine/d9060.h new file mode 100644 index 00000000000..afa579c23e4 --- /dev/null +++ b/src/mess/machine/d9060.h @@ -0,0 +1,134 @@ +/********************************************************************** + + Commodore D9060/D9090 Hard Disk Drive emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +********************************************************************** + + D9060: Tandon TM602S + chdman -createblankhd d9060.chd 153 4 32 256 + + D9090: Tandon TM603S + chdman -createblankhd d9090.chd 153 6 32 256 + + How to format the disk: + HEADER "LABEL",D0,I01 + +**********************************************************************/ + +#pragma once + +#ifndef __D9060__ +#define __D9060__ + + +#include "emu.h" +#include "cpu/m6502/m6502.h" +#include "imagedev/harddriv.h" +#include "machine/6522via.h" +#include "machine/6532riot.h" +#include "machine/ieee488.h" +#include "machine/scsibus.h" + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + + +// ======================> base_d9060_device + +class base_d9060_device : public device_t, + public device_ieee488_interface +{ + +public: + enum + { + TYPE_9060, + TYPE_9090 + }; + + // construction/destruction + base_d9060_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT32 variant); + + // 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( req_w ); + 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( via_pb_r ); + DECLARE_WRITE8_MEMBER( via_pb_w ); + DECLARE_READ_LINE_MEMBER( req_r ); + DECLARE_WRITE_LINE_MEMBER( ack_w ); + DECLARE_WRITE_LINE_MEMBER( enable_w ); + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + virtual void device_config_complete(); + + // 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_hdccpu; + required_device<riot6532_device> m_riot0; + required_device<riot6532_device> m_riot1; + required_device<via6522_device> m_via; + required_device<device_t> m_sasibus; + + // IEEE-488 bus + int m_rfdo; // not ready for data output + int m_daco; // not data accepted output + int m_atna; // attention acknowledge + + // SASI bus + int m_enable; + + int m_variant; +}; + + +// ======================> d9060_device + +class d9060_device : public base_d9060_device +{ +public: + // construction/destruction + d9060_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); +}; + + +// ======================> d9090_device + +class d9090_device : public base_d9060_device +{ +public: + // construction/destruction + d9090_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); +}; + + +// device type definition +extern const device_type D9060; +extern const device_type D9090; + + + +#endif |