///////////////////////////////////////////////////////////////////////// // $Id$ ///////////////////////////////////////////////////////////////////////// // // Copyright (C) 2001-2021 The Bochs Project // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #ifndef BX_IODEV_PARPORT_H #define BX_IODEV_PARPORT_H #if BX_USE_PAR_SMF # define BX_PAR_SMF static # define BX_PAR_THIS theParallelDevice-> #else # define BX_PAR_SMF # define BX_PAR_THIS this-> #endif #define BX_PARPORT_MAXDEV 2 #define BX_PAR_DATA 0 #define BX_PAR_STAT 1 #define BX_PAR_CTRL 2 typedef struct { Bit8u data; struct { bool error; bool slct; bool pe; bool ack; bool busy; } STATUS; struct { bool strobe; bool autofeed; bool init; bool slct_in; bool irq; bool input; } CONTROL; Bit8u IRQ; bx_param_string_c *file; FILE *output; bool file_changed; bool initmode; } bx_par_t; class bx_parallel_c : public bx_devmodel_c { public: bx_parallel_c(); virtual ~bx_parallel_c(); virtual void init(void); virtual void reset(unsigned type); virtual void register_state(void); private: bx_par_t s[BX_PARPORT_MAXDEV]; static void virtual_printer(Bit8u port); static Bit32u read_handler(void *this_ptr, Bit32u address, unsigned io_len); static void write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len); #if !BX_USE_PAR_SMF Bit32u read(Bit32u address, unsigned io_len); void write(Bit32u address, Bit32u value, unsigned io_len); #endif static const char* parport_file_param_handler(bx_param_string_c *param, bool set, const char *oldval, const char *val, int maxlen); }; #endif