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4195
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /*
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25 Milan Xbios video functions
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26
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27 Patrice Mandin
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28 */
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29
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30 #ifndef _SDL_xbios_milan_h
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31 #define _SDL_xbios_milan_h
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32
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33 #include "SDL_xbios.h"
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34
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35 /*--- Defines ---*/
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36
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37 /* Cookies */
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38 #ifndef C__MIL
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39 #define C__MIL 0x5F4D494CL
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40 #endif
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41
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42 #ifndef C__VDI
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43 #define C__VDI 0x5F564449L
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44 #endif
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45
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46 /* Vsetscreen() parameters */
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47 #define MI_MAGIC 0x4D49
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48
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49 enum {
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50 CMD_GETMODE=0,
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51 CMD_SETMODE,
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52 CMD_GETINFO,
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53 CMD_ALLOCPAGE,
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54 CMD_FREEPAGE,
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55 CMD_FLIPPAGE,
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56 CMD_ALLOCMEM,
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57 CMD_FREEMEM,
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58 CMD_SETADR,
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59 CMD_ENUMMODES
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60 };
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61
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62 enum {
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63 ENUMMODE_EXIT=0,
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64 ENUMMODE_CONT
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65 };
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66
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67 enum {
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68 BLK_ERR=0,
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69 BLK_OK,
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70 BLK_CLEARED
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71 };
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72
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73 /* bitFlags */
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74 #define STANDARD_BITS 1
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75 #define FALCON_BITS 2
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76 #define INTEL_BITS 8
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77
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78 /*--- Structures ---*/
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79
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80 typedef struct _scrblk {
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81 unsigned long size; /* size of strukture */
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82 unsigned long blk_status; /* status bits of blk */
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83 unsigned long blk_start; /* Start Adress */
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84 unsigned long blk_len; /* length of memblk */
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85 unsigned long blk_x; /* x pos in total screen*/
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86 unsigned long blk_y; /* y pos in total screen */
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87 unsigned long blk_w; /* width */
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88 unsigned long blk_h; /* height */
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89 unsigned long blk_wrap; /* width in bytes */
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90 } __attribute__((packed)) SCRMEMBLK;
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91
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92 typedef struct screeninfo {
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93 unsigned long size; /* Size of structure */
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94 unsigned long devID; /* device id number */
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95 unsigned char name[64]; /* Friendly name of Screen */
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96 unsigned long scrFlags; /* some Flags */
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97 unsigned long frameadr; /* Adress of framebuffer */
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98 unsigned long scrHeight; /* visible X res */
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99 unsigned long scrWidth; /* visible Y res */
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100 unsigned long virtHeight; /* virtual X res */
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101 unsigned long virtWidth; /* virtual Y res */
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102 unsigned long scrPlanes; /* color Planes */
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103 unsigned long scrColors; /* # of colors */
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104 unsigned long lineWrap; /* # of Bytes to next line */
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105 unsigned long planeWarp; /* # of Bytes to next plane */
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106 unsigned long scrFormat; /* screen Format */
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107 unsigned long scrClut; /* type of clut */
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108 unsigned long redBits; /* Mask of Red Bits */
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109 unsigned long greenBits; /* Mask of Green Bits */
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110 unsigned long blueBits; /* Mask of Blue Bits */
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111 unsigned long alphaBits; /* Mask of Alpha Bits */
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112 unsigned long genlockBits;/* Mask of Genlock Bits */
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113 unsigned long unusedBits; /* Mask of unused Bits */
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114 unsigned long bitFlags; /* Bits organisation flags */
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115 unsigned long maxmem; /* max. memory in this mode */
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116 unsigned long pagemem; /* needed memory for one page */
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117 unsigned long max_x; /* max. possible width */
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118 unsigned long max_y; /* max. possible heigth */
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119 } __attribute__((packed)) SCREENINFO;
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120
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121 /*--- Functions prototypes ---*/
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122
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123 void SDL_XBIOS_ListMilanModes(_THIS, int actually_add);
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124
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125 #endif /* _SDL_xbios_milan_h */
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