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1 /*
2     SDL - Simple DirectMedia Layer
3     Copyright (C) 1997-2004 Sam Lantinga
4 
5     This library is free software; you can redistribute it and/or
6     modify it under the terms of the GNU Library General Public
7     License as published by the Free Software Foundation; either
8     version 2 of the License, or (at your option) any later version.
9 
10     This library is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13     Library General Public License for more details.
14 
15     You should have received a copy of the GNU Library General Public
16     License along with this library; if not, write to the Free
17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18 
19     Sam Lantinga
20     slouken@libsdl.org
21 */
22 #include "SDL_config.h"
23 
24 /*
25 	Centscreen extension definitions
26 
27 	Patrice Mandin
28 */
29 
30 #ifndef _SDL_xbios_centscreen_h
31 #define _SDL_xbios_centscreen_h
32 
33 #include <mint/falcon.h>	/* for trap_14_xxx macros */
34 
35 #include "SDL_xbios.h"
36 
37 /*--- Defines ---*/
38 
39 #ifndef C_CNTS
40 #define C_CNTS 0x434e5453L
41 #endif
42 
43 #define CSCREEN_ENERGYSTAR		(1<<9)
44 #define CSCREEN_SAVER			(1<<10)
45 #define CSCREEN_VIRTUAL			(1<<11)
46 #define CSCREEN_EXTCLOCK_CT2	(1<<12)
47 #define CSCREEN_EXTCLOCK		(1<<13)
48 #define CSCREEN_STANDARD		(1<<14)
49 #define CSCREEN_DEFAULT			(1<<15)
50 
51 /*--- Structures ---*/
52 
53 typedef struct {
54 	unsigned short	handle;	/* videomode handle */
55 	unsigned short	mode;	/* Falcon videomode code */
56 	unsigned short	physx;	/* visible width */
57 	unsigned short	physy;	/* visible height */
58 	unsigned short	plan;	/* bitplanes */
59 	unsigned short	logx;	/* virtual width */
60 	unsigned short	logy;	/* virtual height */
61 	unsigned short	eco;	/* screen saver delay */
62 	unsigned short	eco2;	/* energy star screen saver delay */
63 	unsigned short	wsize;	/* screen width (mm) */
64 	unsigned short	hsize;	/* screen height (mm) */
65 	unsigned short	dummy[21];
66 	unsigned char	name[32];	/* videomode name */
67 } __attribute__((packed)) centscreen_mode_t;
68 
69 /*--- Functions prototypes ---*/
70 
71 #define Vread(current_mode)	\
72 	(void)trap_14_wl((short)0x41,(long)(current_mode))
73 #define Vwrite(init_vdi, inparam, outparam)	\
74 	(long)trap_14_wwll((short)0x42,(short)(init_vdi),(long)(inparam),(long)(outparam))
75 #define Vattrib(inparam, outparam)	\
76 	(void)trap_14_wll((short)0x43,(long)(inparam),(long)(outparam))
77 #define Vcreate(inparam, outparam)	\
78 	(void)trap_14_wll((short)0x44,(long)(inparam),(long)(outparam))
79 #define Vdelete(handle)	\
80 	(long)trap_14_ww((short)0x45,(short)(handle))
81 #define Vfirst(mask,mode)	\
82 	(long)trap_14_wll((short)0x46,(long)(mask),(long)(mode))
83 #define Vnext(mask,mode)	\
84 	(long)trap_14_wll((short)0x47,(long)(mask),(long)(mode))
85 #define Vvalid(handle)	\
86 	(long)trap_14_ww((short)0x48,(short)(handle))
87 #define Vload()	\
88 	(long)trap_14_w((short)0x49)
89 #define Vsave()	\
90 	(long)trap_14_w((short)0x4a)
91 #define Vopen()	\
92 	(long)trap_14_w((short)0x4b)
93 #define Vclose()	\
94 	(long)trap_14_w((short)0x4c)
95 #define Vscroll(scrollmode)	\
96 	(long)trap_14_ww((short)0x4d,(short)(scrollmode))
97 #define Voffset()	\
98 	(long)trap_14_w((short)0x4e)
99 #define Vseek()	\
100 	(long)trap_14_w((short)0x4f)
101 #define Vlock(cmd)	\
102 	(long)trap_14_ww((short)0x50,(short)(cmd))
103 #define SetMon(montype)	\
104 	(long)trap_14_ww((short)0x51,(short)(montype))
105 #define MultiMon(cmd)	\
106 	(long)trap_14_ww((short)0x52,(short)(cmd))
107 #define VSizeComp()	\
108 	(long)trap_14_w((short)0x53)
109 #define Vsize(mode)	\
110 	(long)trap_14_wl((short)0x54,(long)(mode))
111 
112 /*--- Functions prototypes ---*/
113 
114 int SDL_XBIOS_CentscreenInit(_THIS);
115 void SDL_XBIOS_CentscreenSetmode(_THIS, int width, int height, int planes);
116 void SDL_XBIOS_CentscreenRestore(_THIS, int prev_handle);
117 
118 #endif /* _SDL_xbios_centscreen_h */
119