src/ZXEmuT/zxscrdraw.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_ZXSCRDRAW_H
  21 #define ZXEMUT_ZXSCRDRAW_H
  22
  23
  24 // draw screen from `zxOldScreenTS` to `curts-1`
  25 extern void zxRealiseScreen (int curts);
  26
  27 // "shaded" means "not yet touched by the beam"
  28 // return (400*352) (out-of-array) if there is no shaded screen part
  29 extern int zxScreenLineShadeStart ();
  30
  31 // returns current beam position, 4ts offset, and "in screen$" flag
  32 // result is "in screen$"
  33 extern int zxScrGetBeamInfo (int tstates, int *x, int *y, int *ofs);
  34
  35
  36 #endif