mirror of
https://github.com/holub/mame
synced 2025-05-28 16:43:04 +03:00
88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
/**********************************************************************
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Western Digital WDXT-GEN ISA XT MFM Hard Disk Controller
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Copyright MESS Team.
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Visit http://mamedev.org for licensing and usage restrictions.
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**********************************************************************
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Emulated here is the variant supplied with Amstrad PC1512/1640,
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which has a custom BIOS and is coupled with a Tandom TM262 HDD.
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chdman -createblankhd tandon_tm262.chd 615 4 17 512
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**********************************************************************/
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#pragma once
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#ifndef __WDXT_GEN__
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#define __WDXT_GEN__
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#include "emu.h"
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#include "cpu/mcs48/mcs48.h"
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#include "machine/isa.h"
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#include "machine/wd11c00_17.h"
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#include "machine/wd2010.h"
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#include "imagedev/harddriv.h"
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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// ======================> wdxt_gen_device
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class wdxt_gen_device : public device_t,
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public device_isa8_card_interface
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{
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public:
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// construction/destruction
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wdxt_gen_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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// optional information overrides
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virtual machine_config_constructor device_mconfig_additions() const;
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virtual const rom_entry *device_rom_region() const;
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// not really public
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DECLARE_WRITE_LINE_MEMBER( irq5_w );
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DECLARE_WRITE_LINE_MEMBER( drq3_w );
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DECLARE_WRITE_LINE_MEMBER( mr_w );
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DECLARE_READ8_MEMBER( rd322_r );
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DECLARE_READ8_MEMBER( ram_r );
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DECLARE_WRITE8_MEMBER( ram_w );
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DECLARE_READ8_MEMBER( wd1015_t0_r );
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DECLARE_READ8_MEMBER( wd1015_t1_r );
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DECLARE_READ8_MEMBER( wd1015_p1_r );
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DECLARE_WRITE8_MEMBER( wd1015_p1_w );
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DECLARE_READ8_MEMBER( wd1015_p2_r );
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DECLARE_WRITE8_MEMBER( wd1015_p2_w );
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protected:
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// device-level overrides
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virtual void device_start();
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virtual void device_reset();
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virtual void device_config_complete() { m_shortname = "wdxt_gen"; }
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// device_isa8_card_interface
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virtual UINT8 dack_r(int line);
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virtual void dack_w(int line, UINT8 data);
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private:
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required_device<cpu_device> m_maincpu;
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required_device<wd11c00_17_device> m_host;
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required_device<wd2010_device> m_hdc;
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UINT8 m_ram[0x800];
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UINT8 m_hdc_addr;
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};
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// device type definition
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extern const device_type WDXT_GEN;
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#endif
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