143 lines
4.3 KiB
C
143 lines
4.3 KiB
C
/*
|
|
* $Id: display.h,v 1.13 2004/01/24 08:34:33 phil Exp $
|
|
* interface to O/S independent layer of XY display simulator
|
|
* Phil Budne <phil@ultimate.com>
|
|
* September 2003
|
|
*
|
|
* Changes from Douglas A. Gwyn, Jan 12, 2004
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2003-2004, Philip L. Budne
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
|
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
* Except as contained in this notice, the names of the authors shall
|
|
* not be used in advertising or otherwise to promote the sale, use or
|
|
* other dealings in this Software without prior written authorization
|
|
* from the authors.
|
|
*/
|
|
|
|
/*
|
|
* known display types
|
|
*/
|
|
enum display_type {
|
|
DIS_VR14 = 14,
|
|
DIS_VR17 = 17,
|
|
DIS_VR20 = 20,
|
|
DIS_TYPE30 = 30,
|
|
DIS_TX0 = 33,
|
|
DIS_VR48 = 48,
|
|
DIS_TYPE340 = 340
|
|
};
|
|
|
|
/*
|
|
* display scale factors
|
|
*/
|
|
#define RES_FULL 1
|
|
#define RES_HALF 2
|
|
#define RES_QUARTER 4
|
|
#define RES_EIGHTH 8
|
|
|
|
/*
|
|
* must be called before first call to display_age()
|
|
* (but called implicitly by display_point())
|
|
*/
|
|
extern int display_init(enum display_type, int scale);
|
|
|
|
/* return size of virtual display */
|
|
extern int display_xpoints(void);
|
|
extern int display_ypoints(void);
|
|
|
|
/* virtual points between display and menu sections */
|
|
#define VR48_GUTTER 8 /* just a guess */
|
|
|
|
/* conversion factor from virtual points and displayed pixels */
|
|
extern int display_scale(void);
|
|
|
|
/*
|
|
* simulate passage of time; first argument is simulated microseconds elapsed,
|
|
* second argument is flag to slow down simulated speed
|
|
* see comments in display.c for why you should call it often!!
|
|
* Under X11 polls for window events!!
|
|
*/
|
|
extern int display_age(int,int);
|
|
|
|
/*
|
|
* display intensity levels.
|
|
* always at least 8 (for VT11/VS60) -- may be mapped internally
|
|
*/
|
|
#define DISPLAY_INT_MAX 7
|
|
#define DISPLAY_INT_MIN 0 /* lowest "on" level */
|
|
|
|
/*
|
|
* plot a point; argumen ts are x, y, intensity, color (0/1)
|
|
* returns true if light pen active (mouse button down)
|
|
* at (or very near) this location.
|
|
*
|
|
* Display initialized on first call.
|
|
*/
|
|
extern int display_point(int,int,int,int);
|
|
|
|
/*
|
|
* force window system to output bits to screen;
|
|
* call after adding points, or aging the screen
|
|
*/
|
|
extern void display_sync(void);
|
|
|
|
/*
|
|
* currently a noop
|
|
*/
|
|
extern void display_reset(void);
|
|
|
|
/*
|
|
* ring the bell
|
|
*/
|
|
extern void display_beep(void);
|
|
|
|
/*
|
|
* Set light-pen radius; maximum radius in display coordinates
|
|
* from a "lit" location that the light pen will see.
|
|
*/
|
|
extern void display_lp_radius(int);
|
|
|
|
/*
|
|
* set by simulated spacewar switch box switches
|
|
* 18 bits (only high 4 and low 4 used)
|
|
*/
|
|
extern unsigned long spacewar_switches;
|
|
|
|
/*
|
|
* light pen "tip switch" activated (for VS60 emulation etc.)
|
|
* should only be set from "driver" (window system layer)
|
|
*/
|
|
extern unsigned char display_lp_sw;
|
|
|
|
/*
|
|
* deactivates light pen
|
|
* (SIMH DR11-C simulation when initialized sets this and
|
|
* then reports mouse coordinates as Talos digitizer data)
|
|
*/
|
|
extern unsigned char display_tablet;
|
|
|
|
/*
|
|
* users of this library are expected to provide these calls.
|
|
* simulator will set 18 simulated switches.
|
|
*/
|
|
extern unsigned long cpu_get_switches(void); /* get current switch state */
|
|
extern void cpu_set_switches(unsigned long); /* set switches */
|