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https://git.code.sf.net/p/fuse-emulator/fuse
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103 lines
3.6 KiB
C
103 lines
3.6 KiB
C
/* display.h: Routines for printing the Spectrum's screen
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Copyright (c) 1999-2003 Philip Kendall
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$Id$
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Author contact information:
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E-mail: pak21-fuse@srcf.ucam.org
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Postal address: 15 Crescent Road, Wokingham, Berks, RG40 2DB, England
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*/
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#ifndef FUSE_DISPLAY_H
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#define FUSE_DISPLAY_H
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#include <stddef.h>
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#include <libspectrum.h>
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/* The width and height of the Speccy's screen */
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#define DISPLAY_WIDTH_COLS 32
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#define DISPLAY_HEIGHT_ROWS 24
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/* The width and height of the Speccy's screen */
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/* Each main screen column can produce 16 pixels in hires mode */
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#define DISPLAY_WIDTH ( DISPLAY_WIDTH_COLS * 16 )
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/* Each main screen row can produce only 8 pixels in any mode */
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#define DISPLAY_HEIGHT ( DISPLAY_HEIGHT_ROWS * 8 )
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/* The width and height of the (emulated) border */
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#define DISPLAY_BORDER_WIDTH_COLS 4
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#define DISPLAY_BORDER_HEIGHT_COLS 3
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/* The width and height of the (emulated) border */
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/* Each main screen column can produce 16 pixels in hires mode */
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#define DISPLAY_BORDER_WIDTH ( DISPLAY_BORDER_WIDTH_COLS * 16 )
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/* Aspect corrected border width */
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#define DISPLAY_BORDER_ASPECT_WIDTH ( DISPLAY_BORDER_WIDTH_COLS * 8 )
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/* Each main screen column can produce only 8 pixels in any mode */
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#define DISPLAY_BORDER_HEIGHT ( DISPLAY_BORDER_HEIGHT_COLS * 8 )
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/* The width and height of the window we'll be displaying */
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#define DISPLAY_SCREEN_WIDTH ( DISPLAY_WIDTH + 2 * DISPLAY_BORDER_WIDTH )
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#define DISPLAY_SCREEN_HEIGHT ( DISPLAY_HEIGHT + 2 * DISPLAY_BORDER_HEIGHT )
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/* And the width in columns */
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#define DISPLAY_SCREEN_WIDTH_COLS ( DISPLAY_WIDTH_COLS + 2 * DISPLAY_BORDER_WIDTH_COLS )
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/* The aspect ratio corrected display width */
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#define DISPLAY_ASPECT_WIDTH ( DISPLAY_SCREEN_WIDTH / 2 )
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extern int display_ui_initialised;
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extern libspectrum_word
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display_image[ 2 * DISPLAY_SCREEN_HEIGHT ][ DISPLAY_SCREEN_WIDTH ];
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extern ptrdiff_t display_pitch;
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extern libspectrum_byte display_lores_border;
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extern libspectrum_byte display_hires_border;
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/* Offsets as to where the data and the attributes for each pixel
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line start */
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extern libspectrum_word display_line_start[ DISPLAY_HEIGHT ];
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extern libspectrum_word display_attr_start[ DISPLAY_HEIGHT ];
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int display_init(int *argc, char ***argv);
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void display_line(void);
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void display_dirty( libspectrum_word address );
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void display_putpixel( int x, int y, int colour );
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void display_plot8( int x, int y, libspectrum_byte data, libspectrum_byte ink,
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libspectrum_byte paper );
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void display_plot16( int x, int y, libspectrum_word data, libspectrum_byte ink,
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libspectrum_byte paper);
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void display_parse_attr( libspectrum_byte attr, libspectrum_byte *ink,
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libspectrum_byte *paper );
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void display_set_lores_border(int colour);
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void display_set_hires_border(int colour);
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int display_dirty_border(void);
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int display_frame(void);
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void display_refresh_all(void);
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libspectrum_word display_get_addr( int x, int y );
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#endif /* #ifndef FUSE_DISPLAY_H */
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