// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Commodore 64 User Port emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. ********************************************************************** GND 1 A GND +5V 2 B /FLAG2 /RESET 3 C PB0 CNT1 4 D PB1 SP1 5 E PB2 CNT2 6 F PB3 SP2 7 H PB4 /PC2 8 J PB5 ATN 9 K PB6 +9VAC 10 L PB7 +9VAC 11 M PA2 GND 12 N GND **********************************************************************/ #pragma once #ifndef __C64_USER_PORT__ #define __C64_USER_PORT__ #include "emu.h" //************************************************************************** // CONSTANTS //************************************************************************** #define C64_USER_PORT_TAG "user" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_C64_USER_PORT_ADD(_tag, _slot_intf, _def_slot, _reset) \ MCFG_DEVICE_ADD(_tag, C64_USER_PORT, 0) \ downcast(device)->set_reset_callback(DEVCB2_##_reset); \ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) #define MCFG_C64_USER_PORT_CIA1_CALLBACKS(_cnt, _sp) \ downcast(device)->set_cia1_callbacks(DEVCB2_##_cnt, DEVCB2_##_sp); #define MCFG_C64_USER_PORT_CIA2_CALLBACKS(_cnt, _sp, _flag) \ downcast(device)->set_cia2_callbacks(DEVCB2_##_cnt, DEVCB2_##_sp, DEVCB2_##_flag); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> c64_user_port_device class device_c64_user_port_interface; class c64_user_port_device : public device_t, public device_slot_interface { public: // construction/destruction c64_user_port_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); template void set_reset_callback(_reset reset) { m_write_reset.set_callback(reset); } template void set_cia1_callbacks(_cnt cnt, _sp sp) { m_write_cnt1.set_callback(cnt); m_write_sp1.set_callback(sp); } template void set_cia2_callbacks(_cnt cnt, _sp sp, _flag flag) { m_write_cnt2.set_callback(cnt); m_write_sp2.set_callback(sp); m_write_flag2.set_callback(flag); } // computer interface DECLARE_READ8_MEMBER( pb_r ); DECLARE_WRITE8_MEMBER( pb_w ); DECLARE_READ_LINE_MEMBER( pa2_r ); DECLARE_WRITE_LINE_MEMBER( pa2_w ); DECLARE_WRITE_LINE_MEMBER( pc2_w ); DECLARE_WRITE_LINE_MEMBER( atn_w ); DECLARE_WRITE_LINE_MEMBER( cnt1_w ); DECLARE_WRITE_LINE_MEMBER( sp1_w ); DECLARE_WRITE_LINE_MEMBER( cnt2_w ); DECLARE_WRITE_LINE_MEMBER( sp2_w ); // cartridge interface DECLARE_WRITE_LINE_MEMBER( cia_cnt1_w ) { m_write_cnt1(state); } DECLARE_WRITE_LINE_MEMBER( cia_sp1_w ) { m_write_sp1(state); } DECLARE_WRITE_LINE_MEMBER( cia_cnt2_w ) { m_write_cnt2(state); } DECLARE_WRITE_LINE_MEMBER( cia_sp2_w ) { m_write_sp2(state); } DECLARE_WRITE_LINE_MEMBER( cia_flag2_w ) { m_write_flag2(state); } DECLARE_WRITE_LINE_MEMBER( reset_w ) { m_write_reset(state); } protected: // device-level overrides virtual void device_start(); virtual void device_reset(); devcb2_write_line m_write_cnt1; devcb2_write_line m_write_sp1; devcb2_write_line m_write_cnt2; devcb2_write_line m_write_sp2; devcb2_write_line m_write_flag2; devcb2_write_line m_write_reset; device_c64_user_port_interface *m_card; }; // ======================> device_c64_user_port_interface // class representing interface-specific live c64_expansion card class device_c64_user_port_interface : public device_slot_card_interface { public: // construction/destruction device_c64_user_port_interface(const machine_config &mconfig, device_t &device); virtual ~device_c64_user_port_interface(); virtual UINT8 c64_pb_r(address_space &space, offs_t offset) { return 0xff; }; virtual void c64_pb_w(address_space &space, offs_t offset, UINT8 data) { }; virtual int c64_pa2_r() { return 1; }; virtual void c64_pa2_w(int state) { }; virtual void c64_cnt1_w(int state) { }; virtual void c64_sp1_w(int state) { }; virtual void c64_pc2_w(int state) { }; virtual void c64_cnt2_w(int state) { }; virtual void c64_sp2_w(int state) { }; virtual void c64_atn_w(int state) { }; protected: c64_user_port_device *m_slot; }; // device type definition extern const device_type C64_USER_PORT; // slot devices #include "4cga.h" #include "4dxh.h" #include "4ksa.h" #include "4tba.h" #include "bn1541.h" #include "geocable.h" #include "vic1011.h" SLOT_INTERFACE_EXTERN( c64_user_port_cards ); #endif