]> git.sur5r.net Git - cc65/blob - include/tgi/tgi-kernel.h
Added c64dtv accelerator code and documentation.
[cc65] / include / tgi / tgi-kernel.h
1 /*****************************************************************************/
2 /*                                                                           */
3 /*                                 tgi-kernel.h                              */
4 /*                                                                           */
5 /*                             TGI kernel interface                          */
6 /*                                                                           */
7 /*                                                                           */
8 /*                                                                           */
9 /* (C) 2002-2012, Ullrich von Bassewitz                                      */
10 /*                Roemerstrasse 52                                           */
11 /*                D-70794 Filderstadt                                        */
12 /* EMail:         uz@cc65.org                                                */
13 /*                                                                           */
14 /*                                                                           */
15 /* This software is provided 'as-is', without any expressed or implied       */
16 /* warranty.  In no event will the authors be held liable for any damages    */
17 /* arising from the use of this software.                                    */
18 /*                                                                           */
19 /* Permission is granted to anyone to use this software for any purpose,     */
20 /* including commercial applications, and to alter it and redistribute it    */
21 /* freely, subject to the following restrictions:                            */
22 /*                                                                           */
23 /* 1. The origin of this software must not be misrepresented; you must not   */
24 /*    claim that you wrote the original software. If you use this software   */
25 /*    in a product, an acknowledgment in the product documentation would be  */
26 /*    appreciated but is not required.                                       */
27 /* 2. Altered source versions must be plainly marked as such, and must not   */
28 /*    be misrepresented as being the original software.                      */
29 /* 3. This notice may not be removed or altered from any source              */
30 /*    distribution.                                                          */
31 /*                                                                           */
32 /*****************************************************************************/
33
34
35
36 #ifndef _TGI_KERNEL_H
37 #define _TGI_KERNEL_H
38
39
40
41 /*****************************************************************************/
42 /*                                   Data                                    */
43 /*****************************************************************************/
44
45
46
47 /* TGI kernel variables */
48 extern void*         tgi_drv;           /* Pointer to driver */
49 extern unsigned char tgi_error;         /* Last error code */
50 extern unsigned char tgi_gmode;         /* Flag: Graphics mode active */
51 extern int           tgi_curx;          /* Current drawing cursor X */
52 extern int           tgi_cury;          /* Current drawing cursor Y */
53 extern unsigned char tgi_color;         /* Current drawing color */
54 extern unsigned char tgi_font;          /* Current font type */
55 extern unsigned      tgi_xres;          /* X resolution of the current mode */
56 extern unsigned      tgi_yres;          /* Y resolution of the current mode */
57 extern unsigned char tgi_colorcount;    /* Number of available colors */
58 extern unsigned char tgi_pagecount;     /* Number of available screens */
59 extern unsigned char tgi_fontwidth;     /* System font width in pixels */
60 extern unsigned char tgi_fontheight;    /* System font height in pixels */
61 extern unsigned      tgi_aspectratio;   /* Aspect ratio as fixed point 8.8 */
62 extern unsigned char tgi_flags;         /* TGI driver flags */
63 extern unsigned      tgi_textscalew[2]; /* Vector/bitmap font scale 8.8 */
64 extern unsigned      tgi_textscaleh[2]; /* Vector/bitmap font scale 8.8 */
65 extern unsigned      tgi_charwidth;     /* Width of scaled bitmap font */
66 extern unsigned      tgi_charheight;    /* Height of scaled bitmap font */
67
68
69
70 /* End of tgi-kernel.h */
71 #endif
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