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/*
* crtc.h - A CRTC emulation (under construction)
*
* Written by
* Ettore Perazzoli <ettore@comm2000.it>
* André Fachat <fachat@physik.tu-chemnitz.de>
*
* 16/24bpp support added by
* Steven Tieu <stieu@physics.ubc.ca>
* Teemu Rantanen <tvr@cs.hut.fi>
*
* This file is part of VICE, the Versatile Commodore Emulator.
* See README for copyright notice.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA.
*
*/
#ifndef VICE_CRTC_H
#define VICE_CRTC_H
#include "vice.h"
#include "types.h"
typedef void (*machine_crtc_retrace_signal_t)(unsigned int);
typedef void (*crtc_hires_draw_t)(BYTE *p, int xstart, int xend, int scr_rel, int ymod8);
struct snapshot_s;
struct screenshot_s;
struct canvas_refresh_s;
extern struct raster_s *crtc_init(void);
extern struct video_canvas_s *crtc_get_canvas(void);
extern void crtc_reset(void);
extern int crtc_resources_init(void);
extern int crtc_cmdline_options_init(void);
extern int crtc_snapshot_write_module(struct snapshot_s *s);
extern int crtc_snapshot_read_module(struct snapshot_s *s);
extern void crtc_set_screen_addr(BYTE *screen);
extern void crtc_set_chargen_offset(int offset);
extern void crtc_set_chargen_addr(BYTE *chargen, int cmask);
extern void crtc_set_screen_options(int num_cols, int rasterlines);
extern void crtc_set_hw_options(int hwflag, int vmask, int vchar, int vcoffset,
int vrevmask);
extern void crtc_set_retrace_callback(machine_crtc_retrace_signal_t callback);
extern void crtc_set_retrace_type(int type);
extern void crtc_set_hires_draw_callback(crtc_hires_draw_t);
extern void crtc_enable_hw_screen_blank(int enable);
extern void crtc_screenshot(struct screenshot_s *screenshot);
extern void crtc_async_refresh(struct canvas_refresh_s *refresh);
extern void crtc_shutdown(void);
extern void crtc_screen_enable(int);
extern int crtc_offscreen(void);
extern void crtc_update_window(void);
extern void crtc_update_renderer(void);
#endif
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