src/ZXEmuT/emuexec.h

   1 /***************************************************************************
   2  *
   3  *  ZXEmuT -- ZX Spectrum Emulator with Tcl scripting
   4  *
   5  *  Copyright (C) 2012-2020 Ketmar Dark <ketmar@ketmar.no-ip.org>
   6  *
   7  *  This program is free software: you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation, version 3 of the License ONLY.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  **************************************************************************/
  20 #ifndef ZXEMUT_Z80EXEC_H
  21 #define ZXEMUT_Z80EXEC_H
  22
  23 #include <stdint.h>
  24 #include <SDL.h>
  25 #include <libspectrum.h>
  26
  27 #include "../libzymosis/zymosis.h"
  28 #include "emucommon.h"
  29 #include "emuvars.h"
  30
  31
  32 ////////////////////////////////////////////////////////////////////////////////
  33 extern int z80_was_frame_end; // can't rely on tstates counter due to RZX
  34
  35 extern int tsmark_active;
  36 extern int tsmark_frames;
  37 extern int tsmark_tstart;
  38
  39 //extern void z80FrameEnd (void); // not public anymore
  40
  41 // return # of executed ticks
  42 // will call z80FrameEnd() on end of frame and initiate interrupt after it
  43 // will do ++z80_was_frame_end if z80FrameEnd() was called
  44 extern int z80Step (void);
  45
  46 extern int isAutofireKempston (void); // !0: bit to set
  47 extern int isAutofireKeyboard (void); // !0: lo byte: bit to reset (0x01), hi byte: port number (0-7)
  48
  49
  50 #endif