// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Wang Professional Computer bus emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. ********************************************************************** **********************************************************************/ #pragma once #ifndef __WANGPC_BUS__ #define __WANGPC_BUS__ #include "emu.h" //************************************************************************** // CONSTANTS //************************************************************************** #define WANGPC_BUS_TAG "wangpcbus" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_WANGPC_BUS_ADD() \ MCFG_DEVICE_ADD(WANGPC_BUS_TAG, WANGPC_BUS, 0) #define MCFG_WANGPC_BUS_SLOT_ADD(_tag, _sid, _slot_intf, _def_slot) \ MCFG_DEVICE_ADD(_tag, WANGPC_BUS_SLOT, 0) \ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) \ wangpcbus_slot_device::static_set_wangpcbus_slot(*device, _sid); #define MCFG_WANGPC_BUS_IRQ2_CALLBACK(_write) \ devcb = &wangpcbus_device::set_irq2_wr_callback(*device, DEVCB_##_write); #define MCFG_WANGPC_BUS_IRQ3_CALLBACK(_write) \ devcb = &wangpcbus_device::set_irq3_wr_callback(*device, DEVCB_##_write); #define MCFG_WANGPC_BUS_IRQ4_CALLBACK(_write) \ devcb = &wangpcbus_device::set_irq4_wr_callback(*device, DEVCB_##_write); #define MCFG_WANGPC_BUS_IRQ5_CALLBACK(_write) \ devcb = &wangpcbus_device::set_irq5_wr_callback(*device, DEVCB_##_write); #define MCFG_WANGPC_BUS_IRQ6_CALLBACK(_write) \ devcb = &wangpcbus_device::set_irq6_wr_callback(*device, DEVCB_##_write); #define MCFG_WANGPC_BUS_IRQ7_CALLBACK(_write) \ devcb = &wangpcbus_device::set_irq7_wr_callback(*device, DEVCB_##_write); #define MCFG_WANGPC_BUS_DRQ1_CALLBACK(_write) \ devcb = &wangpcbus_device::set_drq1_wr_callback(*device, DEVCB_##_write); #define MCFG_WANGPC_BUS_DRQ2_CALLBACK(_write) \ devcb = &wangpcbus_device::set_drq2_wr_callback(*device, DEVCB_##_write); #define MCFG_WANGPC_BUS_DRQ3_CALLBACK(_write) \ devcb = &wangpcbus_device::set_drq3_wr_callback(*device, DEVCB_##_write); #define MCFG_WANGPC_BUS_IOERROR_CALLBACK(_write) \ devcb = &wangpcbus_device::set_ioerror_wr_callback(*device, DEVCB_##_write); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> wangpcbus_slot_device class wangpcbus_device; class wangpcbus_slot_device : public device_t, public device_slot_interface { public: // construction/destruction wangpcbus_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // device-level overrides virtual void device_start(); // inline configuration static void static_set_wangpcbus_slot(device_t &device, int sid); private: // configuration wangpcbus_device *m_bus; int m_sid; }; // device type definition extern const device_type WANGPC_BUS_SLOT; class device_wangpcbus_card_interface; // ======================> wangpcbus_device class wangpcbus_device : public device_t { public: // construction/destruction wangpcbus_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); ~wangpcbus_device() { m_device_list.detach_all(); } template static devcb_base &set_irq2_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_irq2.set_callback(object); } template static devcb_base &set_irq3_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_irq3.set_callback(object); } template static devcb_base &set_irq4_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_irq4.set_callback(object); } template static devcb_base &set_irq5_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_irq5.set_callback(object); } template static devcb_base &set_irq6_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_irq6.set_callback(object); } template static devcb_base &set_irq7_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_irq7.set_callback(object); } template static devcb_base &set_drq1_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_drq1.set_callback(object); } template static devcb_base &set_drq2_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_drq2.set_callback(object); } template static devcb_base &set_drq3_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_drq3.set_callback(object); } template static devcb_base &set_ioerror_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_ioerror.set_callback(object); } void add_card(device_wangpcbus_card_interface *card, int sid); // computer interface DECLARE_READ16_MEMBER( mrdc_r ); DECLARE_WRITE16_MEMBER( amwc_w ); DECLARE_READ16_MEMBER( sad_r ); DECLARE_WRITE16_MEMBER( sad_w ); UINT8 dack_r(address_space &space, int line); void dack_w(address_space &space, int line, UINT8 data); DECLARE_READ8_MEMBER( dack0_r ) { return dack_r(space, 0); } DECLARE_WRITE8_MEMBER( dack0_w ) { dack_w(space, 0, data); } DECLARE_READ8_MEMBER( dack1_r ) { return dack_r(space, 1); } DECLARE_WRITE8_MEMBER( dack1_w ) { dack_w(space, 1, data); } DECLARE_READ8_MEMBER( dack2_r ) { return dack_r(space, 2); } DECLARE_WRITE8_MEMBER( dack2_w ) { dack_w(space, 2, data); } DECLARE_READ8_MEMBER( dack3_r ) { return dack_r(space, 3); } DECLARE_WRITE8_MEMBER( dack3_w ) { dack_w(space, 3, data); } DECLARE_WRITE_LINE_MEMBER( tc_w ); // peripheral interface DECLARE_WRITE_LINE_MEMBER( irq2_w ) { m_write_irq2(state); } DECLARE_WRITE_LINE_MEMBER( irq3_w ) { m_write_irq3(state); } DECLARE_WRITE_LINE_MEMBER( irq4_w ) { m_write_irq4(state); } DECLARE_WRITE_LINE_MEMBER( irq5_w ) { m_write_irq5(state); } DECLARE_WRITE_LINE_MEMBER( irq6_w ) { m_write_irq6(state); } DECLARE_WRITE_LINE_MEMBER( irq7_w ) { m_write_irq7(state); } DECLARE_WRITE_LINE_MEMBER( drq1_w ) { m_write_drq1(state); } DECLARE_WRITE_LINE_MEMBER( drq2_w ) { m_write_drq2(state); } DECLARE_WRITE_LINE_MEMBER( drq3_w ) { m_write_drq3(state); } DECLARE_WRITE_LINE_MEMBER( ioerror_w ) { m_write_ioerror(state); } protected: // device-level overrides virtual void device_start(); private: devcb_write_line m_write_irq2; devcb_write_line m_write_irq3; devcb_write_line m_write_irq4; devcb_write_line m_write_irq5; devcb_write_line m_write_irq6; devcb_write_line m_write_irq7; devcb_write_line m_write_drq1; devcb_write_line m_write_drq2; devcb_write_line m_write_drq3; devcb_write_line m_write_ioerror; simple_list m_device_list; }; // device type definition extern const device_type WANGPC_BUS; // ======================> device_wangpcbus_card_interface // class representing interface-specific live wangpcbus card class device_wangpcbus_card_interface : public device_slot_card_interface { friend class wangpcbus_device; public: // construction/destruction device_wangpcbus_card_interface(const machine_config &mconfig, device_t &device); virtual ~device_wangpcbus_card_interface() { } device_wangpcbus_card_interface *next() const { return m_next; } // memory access virtual UINT16 wangpcbus_mrdc_r(address_space &space, offs_t offset, UINT16 mem_mask) { return 0; }; virtual void wangpcbus_amwc_w(address_space &space, offs_t offset, UINT16 mem_mask, UINT16 data) { }; // I/O access virtual UINT16 wangpcbus_iorc_r(address_space &space, offs_t offset, UINT16 mem_mask) { return 0; }; virtual void wangpcbus_aiowc_w(address_space &space, offs_t offset, UINT16 mem_mask, UINT16 data) { }; bool sad(offs_t offset) { return ((offset & 0xf80) == (0x800 | (m_sid << 7))) ? true : false; } // DMA virtual UINT8 wangpcbus_dack_r(address_space &space, int line) { return 0; } virtual void wangpcbus_dack_w(address_space &space, int line, UINT8 data) { } virtual void wangpcbus_tc_w(int state) { } virtual bool wangpcbus_have_dack(int line) { return false; } wangpcbus_device *m_bus; wangpcbus_slot_device *m_slot; int m_sid; device_wangpcbus_card_interface *m_next; }; SLOT_INTERFACE_EXTERN( wangpc_cards ); #endif