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Diffstat (limited to 'src/emu/bus/econet/e01.h')
-rw-r--r-- | src/emu/bus/econet/e01.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/emu/bus/econet/e01.h b/src/emu/bus/econet/e01.h new file mode 100644 index 00000000000..bea01f4768c --- /dev/null +++ b/src/emu/bus/econet/e01.h @@ -0,0 +1,135 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Acorn FileStore E01/E01S network hard disk emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +#pragma once + +#ifndef __E01__ +#define __E01__ + +#include "emu.h" +#include "econet.h" +#include "cpu/m6502/m65c02.h" +#include "machine/6522via.h" +#include "machine/ctronics.h" +#include "machine/mc146818.h" +#include "machine/mc6854.h" +#include "machine/ram.h" +#include "machine/scsicb.h" +#include "machine/wd_fdc.h" + +class e01_device : public device_t, + public device_econet_interface +{ +public: + // construction/destruction + e01_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + e01_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + enum + { + TYPE_E01 = 0, + TYPE_E01S + }; + + DECLARE_READ8_MEMBER( read ); + DECLARE_WRITE8_MEMBER( write ); + DECLARE_READ8_MEMBER( ram_select_r ); + DECLARE_WRITE8_MEMBER( floppy_w ); + DECLARE_READ8_MEMBER( network_irq_disable_r ); + DECLARE_WRITE8_MEMBER( network_irq_disable_w ); + DECLARE_READ8_MEMBER( network_irq_enable_r ); + DECLARE_WRITE8_MEMBER( network_irq_enable_w ); + DECLARE_READ8_MEMBER( hdc_data_r ); + DECLARE_WRITE8_MEMBER( hdc_data_w ); + DECLARE_READ8_MEMBER( hdc_status_r ); + DECLARE_WRITE8_MEMBER( hdc_select_w ); + DECLARE_WRITE8_MEMBER( hdc_irq_enable_w ); + DECLARE_READ8_MEMBER( rtc_address_r ); + DECLARE_WRITE8_MEMBER( rtc_address_w ); + DECLARE_READ8_MEMBER( rtc_data_r ); + DECLARE_WRITE8_MEMBER( rtc_data_w ); + DECLARE_WRITE_LINE_MEMBER( rtc_irq_w ); + DECLARE_WRITE_LINE_MEMBER( adlc_irq_w ); + DECLARE_READ_LINE_MEMBER( econet_data_r ); + DECLARE_WRITE_LINE_MEMBER( econet_data_w ); + DECLARE_WRITE_LINE_MEMBER( via_irq_w ); + DECLARE_WRITE_LINE_MEMBER( clk_en_w ); + DECLARE_WRITE_LINE_MEMBER( fdc_irq_w ); + DECLARE_WRITE_LINE_MEMBER( fdc_drq_w ); + DECLARE_WRITE_LINE_MEMBER( scsi_bsy_w ); + DECLARE_WRITE_LINE_MEMBER( scsi_req_w ); + void fdc_irq_w(bool state); + void fdc_drq_w(bool state); + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); + + // 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; + + // device_econet_interface overrides + virtual void econet_clk(int state); + + required_device<m65c02_device> m_maincpu; + required_device<wd2793_t> m_fdc; + required_device<mc6854_device> m_adlc; + required_device<mc146818_device> m_rtc; + required_device<ram_device> m_ram; + required_device<scsicb_device> m_scsibus; + required_device<floppy_connector> m_floppy0; + required_device<floppy_connector> m_floppy1; + required_memory_region m_rom; + + inline void update_interrupts(); + inline void network_irq_enable(int enabled); + inline void hdc_irq_enable(int enabled); + + // interrupt state + int m_adlc_ie; + int m_hdc_ie; + int m_rtc_irq; + int m_via_irq; + int m_hdc_irq; + int m_fdc_irq; + bool m_fdc_drq; + int m_adlc_irq; + int m_clk_en; + bool m_ram_en; + + int m_variant; + + // timers + emu_timer *m_clk_timer; +}; + + +// ======================> e01s_device + +class e01s_device : public e01_device +{ +public: + // construction/destruction + e01s_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); +}; + + +// device type definition +extern const device_type E01; +extern const device_type E01S; + + + +#endif |