// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** COMX-35E Expansion Box emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #pragma once #ifndef __COMX_EB__ #define __COMX_EB__ #include "exp.h" //************************************************************************** // CONSTANTS //************************************************************************** #define MAX_EB_SLOTS 4 //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> comx_eb_device class comx_eb_device : public device_t, public device_comx_expansion_card_interface { public: // construction/destruction comx_eb_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); DECLARE_WRITE_LINE_MEMBER( slot1_irq_w ) { m_irq[0] = state; set_irq(); } DECLARE_WRITE_LINE_MEMBER( slot2_irq_w ) { m_irq[1] = state; set_irq(); } DECLARE_WRITE_LINE_MEMBER( slot3_irq_w ) { m_irq[2] = state; set_irq(); } DECLARE_WRITE_LINE_MEMBER( slot4_irq_w ) { m_irq[3] = state; set_irq(); } protected: // device-level overrides virtual void device_start(); virtual void device_reset(); // optional information overrides virtual const rom_entry *device_rom_region() const; virtual machine_config_constructor device_mconfig_additions() const; // device_comx_expansion_card_interface overrides virtual int comx_ef4_r(); virtual void comx_q_w(int state); virtual UINT8 comx_mrd_r(address_space &space, offs_t offset, int *extrom); virtual void comx_mwr_w(address_space &space, offs_t offset, UINT8 data); virtual UINT8 comx_io_r(address_space &space, offs_t offset); virtual void comx_io_w(address_space &space, offs_t offset, UINT8 data); void set_irq() { m_slot->irq_w(m_irq[0] || m_irq[1] || m_irq[2] || m_irq[3]); } private: required_memory_region m_rom; comx_expansion_slot_device *m_expansion_slot[MAX_EB_SLOTS]; int m_irq[MAX_EB_SLOTS]; UINT8 m_select; }; // device type definition extern const device_type COMX_EB; #endif