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https://github.com/holub/mame
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132 lines
3.4 KiB
C++
132 lines
3.4 KiB
C++
/*
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* cpcexp.h -- Amstrad CPC Expansion port
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*
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* Created on: 16/07/2011
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*
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* Pinout from CPC6128 User's Manual
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* SOUND 1 2 GND
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* A15 3 4 A14
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* A13 5 6 A12
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* A11 7 8 A10
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* A9 9 10 A8
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* A7 11 12 A6
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* A5 13 14 A4
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* A3 15 16 A2
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* A1 17 18 A0
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* D7 19 20 D6
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* D5 21 22 D4
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* D3 23 24 D2
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* D1 25 26 D0
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* +5v 27 28 _MREQ
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* _M1 29 30 _RFSH
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* _IORQ 31 32 _RD
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* _WR 33 34 _HALT
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* _INT 35 36 _NMI
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* _BUSR2 37 38 _BUSAK
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* READY 39 40 _BUS RESET
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* _RESET 41 42 _ROMEN
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* ROMDIS 43 44 _RAMRD
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* RAMDIS 45 46 CURSOR
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* L.PEN 47 48 _EXP
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* GND 49 50 CLOCK
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*/
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#pragma once
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#ifndef CPCEXP_H_
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#define CPCEXP_H_
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#include "emu.h"
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//**************************************************************************
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// CONSTANTS
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//**************************************************************************
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#define CPC_EXP_SLOT_TAG "cpcexp"
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//**************************************************************************
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// INTERFACE CONFIGURATION MACROS
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//**************************************************************************
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#define CPC_EXPANSION_INTERFACE(_name) \
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const cpc_expansion_slot_interface (_name) =
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#define MCFG_CPC_EXPANSION_SLOT_ADD(_tag, _config, _slot_intf, _def_slot, _def_inp) \
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MCFG_DEVICE_ADD(_tag, CPC_EXPANSION_SLOT, 0) \
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MCFG_DEVICE_CONFIG(_config) \
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MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _def_inp, false)
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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// expansion slot interface
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struct cpc_expansion_slot_interface
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{
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devcb_write_line m_out_irq_cb;
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devcb_write_line m_out_nmi_cb;
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devcb_write_line m_out_reset_cb;
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devcb_write_line m_out_romdis_cb;
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devcb_write_line m_out_romen_cb;
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};
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// ======================> device_cpc_expansion_card_interface
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// class representing interface-specific live cpc_expansion card
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class device_cpc_expansion_card_interface : public device_slot_card_interface
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{
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public:
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// construction/destruction
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device_cpc_expansion_card_interface(const machine_config &mconfig, device_t &device);
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virtual ~device_cpc_expansion_card_interface();
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// reset
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virtual void cpc_reset_w() { };
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};
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// ======================> cpc_expansion_slot_device
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class cpc_expansion_slot_device : public device_t,
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public cpc_expansion_slot_interface,
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public device_slot_interface
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{
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public:
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// construction/destruction
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cpc_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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virtual ~cpc_expansion_slot_device();
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DECLARE_WRITE_LINE_MEMBER( irq_w );
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DECLARE_WRITE_LINE_MEMBER( nmi_w );
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DECLARE_WRITE_LINE_MEMBER( reset_w );
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DECLARE_WRITE_LINE_MEMBER( romdis_w );
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DECLARE_WRITE_LINE_MEMBER( romen_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();
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devcb_resolved_write_line m_out_irq_func;
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devcb_resolved_write_line m_out_nmi_func;
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devcb_resolved_write_line m_out_reset_func;
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devcb_resolved_write_line m_out_romdis_func;
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devcb_resolved_write_line m_out_romen_func;
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device_cpc_expansion_card_interface *m_card;
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};
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// device type definition
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extern const device_type CPC_EXPANSION_SLOT;
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#endif /* CPCEXP_H_ */
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