Mercurial > sdl-ios-xcode
annotate src/video/xbios/SDL_xbios.c @ 779:68c8da837fc0
Date: Tue, 6 Jan 2004 21:54:02 +0100
From: Max Horn
Subject: Auto hide mouse & other changes
the attached bug adds the auto-hide-mouse feature I talked about
earlier. Turned out it was a lot simpler than I thought, simply by
using our existing code :-). I actually spent much more time on fixing
various bugs in the code and correcting (IMO) some behavior (although,
due to the lack of real specs for SDL, it's probably arguable what
'correct' means...).
* adds auto (un)hiding of mouse depending on whether it is in- or
outside the game window
* computation of course coordinates is correct now (it often and
reproducible got out of sync with the old code, since the NSEvent
window was in some cases *not* our window anymore, so locationInWindow
returned wrong results)
* added a method which at any time returns the mouse coords, relative
to our window
* fixed handling of lost/gain input/mouse/app focus "events"
author | Sam Lantinga <slouken@libsdl.org> |
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date | Wed, 07 Jan 2004 15:01:51 +0000 |
parents | b8d311d90021 |
children | d0f1e34290d6 |
rev | line source |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2004 Sam Lantinga |
281
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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 |
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23 #ifdef SAVE_RCSID |
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24 static char rcsid = |
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25 "@(#) $Id$"; |
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26 #endif |
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27 |
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28 /* |
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29 * Xbios SDL video driver |
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30 * |
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31 * Patrice Mandin |
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32 */ |
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33 |
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34 #include <stdio.h> |
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35 #include <stdlib.h> |
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36 #include <string.h> |
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37 #include <sys/stat.h> |
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38 #include <unistd.h> |
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39 |
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40 /* Mint includes */ |
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41 #include <mint/cookie.h> |
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42 #include <mint/osbind.h> |
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43 #include <mint/falcon.h> |
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44 |
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45 #include "SDL.h" |
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46 #include "SDL_error.h" |
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47 #include "SDL_video.h" |
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48 #include "SDL_mouse.h" |
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49 #include "SDL_sysvideo.h" |
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50 #include "SDL_pixels_c.h" |
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51 #include "SDL_events_c.h" |
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52 |
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53 #include "SDL_ataric2p_s.h" |
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54 #include "SDL_atarievents_c.h" |
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55 #include "SDL_atarimxalloc_c.h" |
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56 #include "SDL_xbios.h" |
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57 |
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58 #define XBIOS_VID_DRIVER_NAME "xbios" |
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59 |
735 | 60 /*#define DEBUG_VIDEO_XBIOS 1*/ |
61 | |
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62 /* Initialization/Query functions */ |
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63 static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat); |
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64 static SDL_Rect **XBIOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); |
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65 static SDL_Surface *XBIOS_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); |
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66 static int XBIOS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); |
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67 static void XBIOS_VideoQuit(_THIS); |
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68 |
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69 /* Hardware surface functions */ |
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70 static int XBIOS_AllocHWSurface(_THIS, SDL_Surface *surface); |
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71 static int XBIOS_LockHWSurface(_THIS, SDL_Surface *surface); |
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72 static int XBIOS_FlipHWSurface(_THIS, SDL_Surface *surface); |
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73 static void XBIOS_UnlockHWSurface(_THIS, SDL_Surface *surface); |
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74 static void XBIOS_FreeHWSurface(_THIS, SDL_Surface *surface); |
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75 static void XBIOS_UpdateRects(_THIS, int numrects, SDL_Rect *rects); |
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76 |
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77 /* List of video modes */ |
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78 |
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79 /* ST modes */ |
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80 static int xbiosnummodes_st=1; |
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81 static xbiosmode_t xbiosmodelist_st[]={ |
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82 {ST_LOW>>8,320,200,4,SDL_FALSE} |
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83 }; |
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84 |
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85 /* TT modes */ |
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86 static int xbiosnummodes_tt=2; |
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87 static xbiosmode_t xbiosmodelist_tt[]={ |
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88 {TT_LOW,320,480,8,SDL_FALSE}, |
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89 {TT_LOW,320,240,8,SDL_TRUE} /* Software double-lined mode */ |
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90 }; |
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91 |
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92 /* Falcon RVB modes */ |
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93 static int xbiosnummodes_f30rvb=16; |
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94 static xbiosmode_t xbiosmodelist_f30rvb[]={ |
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95 {BPS16|COL80|OVERSCAN|VERTFLAG,768,480,16,SDL_FALSE}, |
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96 {BPS16|COL80|OVERSCAN,768,240,16,SDL_FALSE}, |
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97 {BPS16|COL80|VERTFLAG,640,400,16,SDL_FALSE}, |
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98 {BPS16|COL80,640,200,16,SDL_FALSE}, |
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99 {BPS16|OVERSCAN|VERTFLAG,384,480,16,SDL_FALSE}, |
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100 {BPS16|OVERSCAN,384,240,16,SDL_FALSE}, |
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101 {BPS16|VERTFLAG,320,400,16,SDL_FALSE}, |
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102 {BPS16,320,200,16,SDL_FALSE}, |
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103 |
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104 {BPS8|COL80|OVERSCAN|VERTFLAG,768,480,8,SDL_FALSE}, |
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105 {BPS8|COL80|OVERSCAN,768,240,8,SDL_FALSE}, |
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106 {BPS8|COL80|VERTFLAG,640,400,8,SDL_FALSE}, |
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107 {BPS8|COL80,640,200,8,SDL_FALSE}, |
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108 {BPS8|OVERSCAN|VERTFLAG,384,480,8,SDL_FALSE}, |
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109 {BPS8|OVERSCAN,384,240,8,SDL_FALSE}, |
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110 {BPS8|VERTFLAG,320,400,8,SDL_FALSE}, |
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111 {BPS8,320,200,8,SDL_FALSE} |
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112 }; |
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113 |
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114 /* Falcon VGA modes */ |
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115 static int xbiosnummodes_f30vga=6; |
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116 static xbiosmode_t xbiosmodelist_f30vga[]={ |
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117 {BPS16,320,480,16,SDL_FALSE}, |
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118 {BPS16|VERTFLAG,320,240,16,SDL_FALSE}, |
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119 |
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120 {BPS8|COL80,640,480,8,SDL_FALSE}, |
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121 {BPS8|COL80|VERTFLAG,640,240,8,SDL_FALSE}, |
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122 {BPS8,320,480,8,SDL_FALSE}, |
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123 {BPS8|VERTFLAG,320,240,8,SDL_FALSE} |
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124 }; |
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125 |
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126 /* To setup palette */ |
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127 |
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128 static unsigned short TT_palette[256]; |
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129 static unsigned long F30_palette[256]; |
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130 |
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131 /* Xbios driver bootstrap functions */ |
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132 |
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133 static int XBIOS_Available(void) |
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134 { |
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135 unsigned long cookie_vdo; |
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136 |
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137 /* Cookie _VDO present ? if not, assume ST machine */ |
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138 if (Getcookie(C__VDO, &cookie_vdo) != C_FOUND) { |
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139 cookie_vdo = VDO_ST << 16; |
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140 } |
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141 |
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142 /* Test if we have a monochrome monitor plugged in */ |
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143 switch( cookie_vdo >>16) { |
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144 case VDO_ST: |
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145 case VDO_STE: |
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146 if ( Getrez() == (ST_HIGH>>8) ) |
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147 return 0; |
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148 break; |
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149 case VDO_TT: |
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150 if ( (EgetShift() & ES_MODE) == TT_HIGH) |
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151 return 0; |
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152 break; |
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153 case VDO_F30: |
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154 if ( Montype() == MONITOR_MONO) |
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155 return 0; |
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156 break; |
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157 default: |
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158 return 0; |
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159 } |
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160 |
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161 return 1; |
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162 } |
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163 |
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164 static void XBIOS_DeleteDevice(SDL_VideoDevice *device) |
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165 { |
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166 free(device->hidden); |
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167 free(device); |
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168 } |
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169 |
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170 static SDL_VideoDevice *XBIOS_CreateDevice(int devindex) |
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171 { |
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172 SDL_VideoDevice *device; |
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173 |
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174 /* Initialize all variables that we clean on shutdown */ |
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175 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice)); |
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176 if ( device ) { |
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177 memset(device, 0, (sizeof *device)); |
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178 device->hidden = (struct SDL_PrivateVideoData *) |
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179 malloc((sizeof *device->hidden)); |
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180 } |
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181 if ( (device == NULL) || (device->hidden == NULL) ) { |
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182 SDL_OutOfMemory(); |
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183 if ( device ) { |
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184 free(device); |
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185 } |
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186 return(0); |
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187 } |
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188 memset(device->hidden, 0, (sizeof *device->hidden)); |
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189 |
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190 /* Video functions */ |
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191 device->VideoInit = XBIOS_VideoInit; |
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192 device->ListModes = XBIOS_ListModes; |
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193 device->SetVideoMode = XBIOS_SetVideoMode; |
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194 device->SetColors = XBIOS_SetColors; |
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195 device->UpdateRects = NULL; |
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196 device->VideoQuit = XBIOS_VideoQuit; |
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197 device->AllocHWSurface = XBIOS_AllocHWSurface; |
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198 device->LockHWSurface = XBIOS_LockHWSurface; |
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199 device->UnlockHWSurface = XBIOS_UnlockHWSurface; |
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200 device->FlipHWSurface = XBIOS_FlipHWSurface; |
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201 device->FreeHWSurface = XBIOS_FreeHWSurface; |
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202 |
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203 /* Events */ |
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204 device->InitOSKeymap = Atari_InitOSKeymap; |
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205 device->PumpEvents = Atari_PumpEvents; |
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206 |
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207 device->free = XBIOS_DeleteDevice; |
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208 |
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209 return device; |
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210 } |
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211 |
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212 VideoBootStrap XBIOS_bootstrap = { |
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213 XBIOS_VID_DRIVER_NAME, "Atari Xbios driver", |
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214 XBIOS_Available, XBIOS_CreateDevice |
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215 }; |
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216 |
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217 static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat) |
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218 { |
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219 int i,j8,j16; |
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220 xbiosmode_t *current_mode; |
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221 |
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222 /* Initialize all variables that we clean on shutdown */ |
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223 memset (SDL_modelist, 0, sizeof(SDL_modelist)); |
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224 |
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225 /* Cookie _VDO present ? if not, assume ST machine */ |
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226 if (Getcookie(C__VDO, &XBIOS_cvdo) != C_FOUND) { |
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227 XBIOS_cvdo = VDO_ST << 16; |
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228 } |
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229 |
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230 /* Allocate memory for old palette */ |
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231 XBIOS_oldpalette = (void *)malloc(256*sizeof(long)); |
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232 if ( !XBIOS_oldpalette ) { |
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233 SDL_SetError("Unable to allocate memory for old palette\n"); |
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234 return(-1); |
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235 } |
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236 |
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237 /* Initialize video mode list */ |
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238 /* and save current screen status (palette, screen address, video mode) */ |
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239 |
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240 switch (XBIOS_cvdo >>16) { |
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241 case VDO_ST: |
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242 case VDO_STE: |
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243 { |
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244 short *oldpalette; |
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245 |
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246 XBIOS_nummodes=xbiosnummodes_st; |
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247 XBIOS_modelist=xbiosmodelist_st; |
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248 |
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249 XBIOS_oldvbase=Physbase(); |
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250 XBIOS_oldvmode=Getrez(); |
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251 switch(XBIOS_oldvmode << 8) { |
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252 case ST_LOW: |
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253 XBIOS_oldnumcol=16; |
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254 break; |
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255 case ST_MED: |
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256 XBIOS_oldnumcol=4; |
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257 break; |
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258 case ST_HIGH: |
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259 XBIOS_oldnumcol=2; |
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260 break; |
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261 default: |
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262 XBIOS_oldnumcol=0; |
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263 break; |
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264 } |
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265 |
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266 oldpalette= (short *) XBIOS_oldpalette; |
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267 for (i=0;i<XBIOS_oldnumcol;i++) { |
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268 *oldpalette++=Setcolor(i,-1); |
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269 } |
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270 |
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271 vformat->BitsPerPixel = 8; |
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272 } |
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273 break; |
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274 case VDO_TT: |
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275 XBIOS_nummodes=xbiosnummodes_tt; |
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276 XBIOS_modelist=xbiosmodelist_tt; |
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277 |
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278 XBIOS_oldvbase=Logbase(); |
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279 XBIOS_oldvmode=EgetShift(); |
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280 |
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281 switch(XBIOS_oldvmode & ES_MODE) { |
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282 case TT_LOW: |
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283 XBIOS_oldnumcol=256; |
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284 break; |
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285 case ST_LOW: |
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286 case TT_MED: |
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287 XBIOS_oldnumcol=16; |
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288 break; |
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289 case ST_MED: |
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290 XBIOS_oldnumcol=4; |
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291 break; |
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292 case ST_HIGH: |
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293 case TT_HIGH: |
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294 XBIOS_oldnumcol=2; |
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295 break; |
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296 default: |
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297 XBIOS_oldnumcol=0; |
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298 break; |
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299 } |
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300 if (XBIOS_oldnumcol) { |
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301 EgetPalette(0, XBIOS_oldnumcol, XBIOS_oldpalette); |
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302 } |
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303 |
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304 vformat->BitsPerPixel = 8; |
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305 break; |
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306 case VDO_F30: |
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307 switch (Montype()) |
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308 { |
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309 case MONITOR_MONO: |
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310 /* Not usable */ |
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311 break; |
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312 case MONITOR_RGB: |
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313 case MONITOR_TV: |
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314 XBIOS_nummodes = xbiosnummodes_f30rvb; |
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315 XBIOS_modelist = xbiosmodelist_f30rvb; |
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316 break; |
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317 case MONITOR_VGA: |
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318 XBIOS_nummodes = xbiosnummodes_f30vga; |
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319 XBIOS_modelist = xbiosmodelist_f30vga; |
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320 break; |
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321 } |
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322 XBIOS_oldvbase=Logbase(); |
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323 XBIOS_oldvmode=Vsetmode(-1); |
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324 |
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325 XBIOS_oldnumcol= 1<< (1 << (XBIOS_oldvmode & NUMCOLS)); |
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326 if (XBIOS_oldnumcol > 256) { |
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327 XBIOS_oldnumcol = 0; |
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328 } |
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329 if (XBIOS_oldnumcol) { |
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330 VgetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette); |
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331 } |
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332 |
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333 vformat->BitsPerPixel = 16; |
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334 |
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335 /* Keep vga/rvb, and pal/ntsc bits */ |
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336 current_mode = XBIOS_modelist; |
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337 for (i=0;i<XBIOS_nummodes;i++) { |
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338 Uint16 newvmode; |
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339 |
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340 newvmode = current_mode->number; |
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341 newvmode &= ~(VGA|PAL); |
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342 newvmode |= XBIOS_oldvmode & (VGA|PAL); |
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343 current_mode->number = newvmode; |
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344 |
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345 current_mode++; |
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346 } |
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347 |
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348 break; |
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|
349 } |
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350 |
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351 current_mode = XBIOS_modelist; |
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352 j8 = j16 = 0; |
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353 for (i=0;i<XBIOS_nummodes;i++) { |
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354 switch (current_mode->depth) { |
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355 case 4: |
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356 case 8: |
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357 SDL_modelist[0][j8] = malloc(sizeof(SDL_Rect)); |
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358 SDL_modelist[0][j8]->x = SDL_modelist[0][j8]->y = 0; |
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359 SDL_modelist[0][j8]->w = current_mode->width; |
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360 SDL_modelist[0][j8]->h = current_mode->height; |
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361 XBIOS_videomodes[0][j8]=current_mode; |
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362 current_mode++; |
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363 j8++; |
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364 break; |
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365 case 16: |
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366 SDL_modelist[1][j16] = malloc(sizeof(SDL_Rect)); |
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367 SDL_modelist[1][j16]->x = SDL_modelist[1][j16]->y = 0; |
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368 SDL_modelist[1][j16]->w = current_mode->width; |
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369 SDL_modelist[1][j16]->h = current_mode->height; |
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370 XBIOS_videomodes[1][j16]=current_mode; |
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371 current_mode++; |
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372 j16++; |
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373 break; |
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374 } |
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375 } |
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376 SDL_modelist[0][j8] = NULL; |
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377 SDL_modelist[1][j16] = NULL; |
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378 |
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379 XBIOS_screens[0]=NULL; |
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380 XBIOS_screens[1]=NULL; |
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381 XBIOS_shadowscreen=NULL; |
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382 |
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383 /* Update hardware info */ |
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384 this->info.hw_available = 1; |
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385 this->info.video_mem = (Uint32) Atari_SysMalloc(-1L, MX_STRAM); |
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386 |
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387 /* Init chunky to planar routine */ |
735 | 388 SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8; |
281
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389 |
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390 /* We're done! */ |
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391 return(0); |
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392 } |
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393 |
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394 static SDL_Rect **XBIOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) |
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395 { |
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396 /* 8 bits -> list 0 */ |
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397 /* 16 bits -> list 1 */ |
712
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398 if ((format->BitsPerPixel != 8) && (format->BitsPerPixel !=16)) { |
711
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399 return NULL; |
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400 } |
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401 |
712
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402 return(SDL_modelist[(format->BitsPerPixel)>>4]); |
281
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403 } |
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404 |
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405 static void XBIOS_FreeBuffers(_THIS) |
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406 { |
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407 int i; |
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408 |
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409 for (i=0;i<2;i++) { |
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410 if (XBIOS_screensmem[i]!=NULL) { |
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411 Mfree(XBIOS_screensmem[i]); |
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412 XBIOS_screensmem[i]=NULL; |
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413 } |
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414 } |
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415 |
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416 if (XBIOS_shadowscreen!=NULL) { |
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417 Mfree(XBIOS_shadowscreen); |
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418 XBIOS_shadowscreen=NULL; |
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419 } |
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420 } |
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421 |
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422 static SDL_Surface *XBIOS_SetVideoMode(_THIS, SDL_Surface *current, |
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423 int width, int height, int bpp, Uint32 flags) |
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424 { |
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425 int mode, new_depth; |
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426 int i; |
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427 xbiosmode_t *new_video_mode; |
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428 Uint32 new_screen_size; |
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429 Uint32 modeflags; |
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430 |
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431 /* Free current buffers */ |
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432 XBIOS_FreeBuffers(this); |
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433 |
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434 /* Search if the mode exists (width, height, bpp) */ |
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435 bpp >>= 4; |
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436 for ( mode=0; SDL_modelist[bpp][mode]; ++mode ) { |
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437 if ( (SDL_modelist[bpp][mode]->w == width) && |
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438 (SDL_modelist[bpp][mode]->h == height) ) { |
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439 |
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440 break; |
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441 } |
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442 } |
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443 if ( SDL_modelist[bpp][mode] == NULL ) { |
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444 SDL_SetError("Couldn't find requested mode in list"); |
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445 return(NULL); |
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446 } |
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447 |
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448 modeflags = SDL_FULLSCREEN; |
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449 |
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450 /* Allocate needed buffers: simple/double buffer and shadow surface */ |
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451 new_video_mode = XBIOS_videomodes[bpp][mode]; |
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452 new_depth = new_video_mode->depth; |
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453 if (new_depth == 4) { |
735 | 454 SDL_Atari_C2pConvert = SDL_Atari_C2pConvert4; |
281
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455 new_depth=8; |
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456 modeflags |= SDL_SWSURFACE; |
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457 } else if (new_depth == 8) { |
735 | 458 SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8; |
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459 modeflags |= SDL_SWSURFACE|SDL_HWPALETTE; |
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460 } else { |
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461 modeflags |= SDL_HWSURFACE; |
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462 } |
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463 |
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464 new_screen_size = width * height * ((new_depth)>>3); |
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465 new_screen_size += 256; /* To align on a 256 byte adress */ |
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466 |
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467 if (new_depth == 8) { |
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468 XBIOS_shadowscreen = Atari_SysMalloc(new_screen_size, MX_PREFTTRAM); |
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469 |
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470 if (XBIOS_shadowscreen == NULL) { |
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471 SDL_SetError("XBIOS_SetVideoMode: Not enough memory for shadow surface"); |
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472 return (NULL); |
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473 } |
287
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474 memset(XBIOS_shadowscreen, 0, new_screen_size); |
281
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475 } |
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476 |
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477 /* Output buffer needs to be twice in size for the software double-line mode */ |
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478 XBIOS_doubleline = SDL_FALSE; |
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479 if (new_video_mode->doubleline) { |
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480 new_screen_size <<= 1; |
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481 XBIOS_doubleline = SDL_TRUE; |
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482 } |
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483 |
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484 XBIOS_screensmem[0] = Atari_SysMalloc(new_screen_size, MX_STRAM); |
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485 |
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486 if (XBIOS_screensmem[0]==NULL) { |
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487 XBIOS_FreeBuffers(this); |
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488 SDL_SetError("XBIOS_SetVideoMode: Not enough memory for video buffer"); |
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489 return (NULL); |
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490 } |
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491 memset(XBIOS_screensmem[0], 0, new_screen_size); |
281
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492 |
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493 XBIOS_screens[0]=(void *) (( (long) XBIOS_screensmem[0]+256) & 0xFFFFFF00UL); |
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494 |
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495 /* Double buffer ? */ |
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496 if (flags & SDL_DOUBLEBUF) { |
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497 XBIOS_screensmem[1] = Atari_SysMalloc(new_screen_size, MX_STRAM); |
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498 |
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499 if (XBIOS_screensmem[1]==NULL) { |
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500 XBIOS_FreeBuffers(this); |
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501 SDL_SetError("XBIOS_SetVideoMode: Not enough memory for double buffer"); |
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|
502 return (NULL); |
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503 } |
287
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281
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504 memset(XBIOS_screensmem[1], 0, new_screen_size); |
281
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505 |
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506 XBIOS_screens[1]=(void *) (( (long) XBIOS_screensmem[1]+256) & 0xFFFFFF00UL); |
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507 modeflags |= SDL_DOUBLEBUF; |
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508 } |
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|
509 |
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parents:
diff
changeset
|
510 /* Allocate the new pixel format for the screen */ |
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511 if ( ! SDL_ReallocFormat(current, new_depth, 0, 0, 0, 0) ) { |
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512 XBIOS_FreeBuffers(this); |
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513 SDL_SetError("Couldn't allocate new pixel format for requested mode"); |
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parents:
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|
514 return(NULL); |
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|
515 } |
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|
516 |
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517 current->flags = modeflags; |
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|
518 current->w = XBIOS_width = width; |
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519 current->h = XBIOS_height = height; |
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520 current->pitch = (width * new_depth)>>3; |
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Sam Lantinga <slouken@libsdl.org>
parents:
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|
521 |
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Sam Lantinga <slouken@libsdl.org>
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diff
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|
522 /* this is for C2P conversion */ |
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523 XBIOS_pitch = (new_video_mode->width * new_video_mode->depth)>>3; |
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|
524 |
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525 if (new_depth == 8) |
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|
526 current->pixels = XBIOS_shadowscreen; |
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527 else |
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528 current->pixels = XBIOS_screens[0]; |
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529 |
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530 XBIOS_fbnum = 0; |
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|
531 |
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532 /* Now set the video mode */ |
735 | 533 #ifndef DEBUG_VIDEO_XBIOS |
281
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534 Setscreen(-1,XBIOS_screens[0],-1); |
735 | 535 #endif |
281
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536 |
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537 switch(XBIOS_cvdo >> 16) { |
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538 case VDO_ST: |
735 | 539 #ifndef DEBUG_VIDEO_XBIOS |
281
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540 Setscreen(-1,-1,new_video_mode->number); |
735 | 541 #endif |
281
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542 /* Reset palette */ |
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543 for (i=0;i<16;i++) { |
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|
544 int c; |
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|
545 |
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546 c = ((i>>1)<<8) | ((i>>1)<<4) | (i>>1); |
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547 if ((i & 1) && (i<15)) |
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parents:
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548 c += (1<<4); |
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549 if (i==14) |
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parents:
diff
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|
550 c -= 1<<8; |
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Sam Lantinga <slouken@libsdl.org>
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diff
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|
551 |
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|
552 TT_palette[i]= c; |
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553 } |
735 | 554 #ifndef DEBUG_VIDEO_XBIOS |
281
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555 Setpalette(TT_palette); |
735 | 556 #endif |
281
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557 break; |
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|
558 case VDO_STE: |
735 | 559 #ifndef DEBUG_VIDEO_XBIOS |
281
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560 Setscreen(-1,-1,new_video_mode->number); |
735 | 561 #endif |
281
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562 /* Reset palette */ |
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563 for (i=0;i<16;i++) |
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564 { |
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|
565 int c; |
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|
566 |
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567 c=((i&1)<<3)|((i>>1)&7); |
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568 TT_palette[i]=(c<<8)|(c<<4)|c; |
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569 } |
735 | 570 #ifndef DEBUG_VIDEO_XBIOS |
281
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571 Setpalette(TT_palette); |
735 | 572 #endif |
281
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573 break; |
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574 case VDO_TT: |
735 | 575 #ifndef DEBUG_VIDEO_XBIOS |
281
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576 EsetShift(new_video_mode->number); |
735 | 577 #endif |
281
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578 break; |
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579 case VDO_F30: |
735 | 580 #ifndef DEBUG_VIDEO_XBIOS |
281
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581 Vsetmode(new_video_mode->number); |
735 | 582 #endif |
281
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583 break; |
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|
584 } |
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585 |
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|
586 Vsync(); |
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|
587 |
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diff
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|
588 this->UpdateRects = XBIOS_UpdateRects; |
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|
589 |
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590 return (current); |
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|
591 } |
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592 |
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|
593 /* We don't actually allow hardware surfaces other than the main one */ |
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594 static int XBIOS_AllocHWSurface(_THIS, SDL_Surface *surface) |
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Sam Lantinga <slouken@libsdl.org>
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|
595 { |
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Sam Lantinga <slouken@libsdl.org>
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|
596 return(-1); |
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|
597 } |
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|
598 |
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|
599 static void XBIOS_FreeHWSurface(_THIS, SDL_Surface *surface) |
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|
600 { |
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|
601 return; |
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|
602 } |
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|
603 |
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604 static int XBIOS_LockHWSurface(_THIS, SDL_Surface *surface) |
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|
605 { |
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|
606 return(0); |
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diff
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|
607 } |
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|
608 |
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|
609 static void XBIOS_UnlockHWSurface(_THIS, SDL_Surface *surface) |
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changeset
|
610 { |
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changeset
|
611 return; |
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diff
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|
612 } |
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|
613 |
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|
614 static void XBIOS_UpdateRects(_THIS, int numrects, SDL_Rect *rects) |
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|
615 { |
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616 SDL_Surface *surface; |
314
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617 |
281
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618 surface = this->screen; |
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619 |
314
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620 if ((surface->format->BitsPerPixel) == 8) { |
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621 void *destscr; |
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622 int destx; |
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623 int i; |
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624 |
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625 /* Center on destination screen */ |
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626 destscr = XBIOS_screens[XBIOS_fbnum]; |
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627 destscr += XBIOS_pitch * ((XBIOS_height - surface->h) >> 1); |
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628 destx = (XBIOS_width - surface->w) >> 1; |
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|
629 destx &= ~15; |
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630 destscr += destx; |
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631 |
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632 for (i=0;i<numrects;i++) { |
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633 void *source,*destination; |
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634 int x1,x2; |
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635 |
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636 x1 = rects[i].x & ~15; |
319
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637 x2 = rects[i].x+rects[i].w; |
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|
638 if (x2 & 15) { |
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639 x2 = (x2 | 15) +1; |
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|
640 } |
314
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641 |
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642 source = surface->pixels; |
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643 source += surface->pitch * rects[i].y; |
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644 source += x1; |
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645 |
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646 destination = destscr; |
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647 destination += XBIOS_pitch * rects[i].y; |
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648 destination += x1; |
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649 |
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650 /* Convert chunky to planar screen */ |
735 | 651 SDL_Atari_C2pConvert( |
314
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652 source, |
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653 destination, |
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654 x2-x1, |
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655 rects[i].h, |
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656 XBIOS_doubleline, |
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657 surface->pitch, |
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658 XBIOS_pitch |
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659 ); |
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660 } |
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661 } |
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662 |
735 | 663 #ifndef DEBUG_VIDEO_XBIOS |
314
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664 Setscreen(-1,XBIOS_screens[XBIOS_fbnum],-1); |
735 | 665 #endif |
314
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666 Vsync(); |
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667 |
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668 if ((surface->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF) { |
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669 XBIOS_fbnum ^= 1; |
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670 if ((surface->format->BitsPerPixel) > 8) { |
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671 surface->pixels=XBIOS_screens[XBIOS_fbnum]; |
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672 } |
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673 } |
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674 } |
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675 |
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676 static int XBIOS_FlipHWSurface(_THIS, SDL_Surface *surface) |
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677 { |
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678 if ((surface->format->BitsPerPixel) == 8) { |
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679 void *destscr; |
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680 int destx; |
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681 |
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682 /* Center on destination screen */ |
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683 destscr = XBIOS_screens[XBIOS_fbnum]; |
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684 destscr += XBIOS_pitch * ((XBIOS_height - surface->h) >> 1); |
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685 destx = (XBIOS_width - surface->w) >> 1; |
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686 destx &= ~15; |
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687 destscr += destx; |
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688 |
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689 /* Convert chunky to planar screen */ |
735 | 690 #ifdef DEBUG_VIDEO_XBIOS |
691 printf("C2p:\n"); | |
692 printf(" Source: Adr=0x%08x, Pitch=%d\n", surface->pixels, surface->pitch); | |
693 printf(" Dest: Adr=0x%08x, Pitch=%d\n", destscr, XBIOS_pitch); | |
694 printf(" Size: %dx%d, dblline=%d\n", surface->w, surface->h, XBIOS_doubleline); | |
695 fflush(stdout); | |
696 #endif | |
697 SDL_Atari_C2pConvert( | |
281
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698 surface->pixels, |
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699 destscr, |
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700 surface->w, |
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701 surface->h, |
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702 XBIOS_doubleline, |
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703 surface->pitch, |
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704 XBIOS_pitch |
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705 ); |
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706 } |
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707 |
735 | 708 #ifndef DEBUG_VIDEO_XBIOS |
281
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709 Setscreen(-1,XBIOS_screens[XBIOS_fbnum],-1); |
735 | 710 #endif |
281
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711 Vsync(); |
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712 |
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713 if ((surface->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF) { |
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714 XBIOS_fbnum ^= 1; |
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715 if ((surface->format->BitsPerPixel) > 8) { |
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716 surface->pixels=XBIOS_screens[XBIOS_fbnum]; |
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717 } |
281
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718 } |
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719 |
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720 return(0); |
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721 } |
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722 |
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723 static int XBIOS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) |
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724 { |
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725 int i; |
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726 int r,v,b; |
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727 |
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728 switch( XBIOS_cvdo >> 16) { |
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729 case VDO_ST: |
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730 case VDO_STE: |
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731 for (i=0;i<ncolors;i++) |
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732 { |
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733 r = colors[i].r; |
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734 v = colors[i].g; |
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735 b = colors[i].b; |
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736 |
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737 TT_palette[firstcolor+i]=((r*30)+(v*59)+(b*11))/100; |
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738 } |
735 | 739 SDL_Atari_C2pConvert4_pal(TT_palette); /* convert the lighting */ |
281
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740 break; |
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741 case VDO_TT: |
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742 for(i = 0; i < ncolors; i++) |
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743 { |
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744 r = colors[i].r; |
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745 v = colors[i].g; |
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746 b = colors[i].b; |
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747 |
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748 TT_palette[i]=((r>>4)<<8)|((v>>4)<<4)|(b>>4); |
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749 } |
735 | 750 #ifndef DEBUG_VIDEO_XBIOS |
281
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751 EsetPalette(firstcolor,ncolors,TT_palette); |
735 | 752 #endif |
281
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753 break; |
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|
754 case VDO_F30: |
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|
755 for(i = 0; i < ncolors; i++) |
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756 { |
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757 r = colors[i].r; |
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758 v = colors[i].g; |
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759 b = colors[i].b; |
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|
760 |
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|
761 F30_palette[i]=(r<<16)|(v<<8)|b; |
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762 } |
735 | 763 #ifndef DEBUG_VIDEO_XBIOS |
281
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764 VsetRGB(firstcolor,ncolors,F30_palette); |
735 | 765 #endif |
281
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766 break; |
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767 } |
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768 |
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769 return(1); |
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|
770 } |
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771 |
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|
772 /* Note: If we are terminated, this could be called in the middle of |
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773 another SDL video routine -- notably UpdateRects. |
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|
774 */ |
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|
775 static void XBIOS_VideoQuit(_THIS) |
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776 { |
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777 int i,j; |
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|
778 |
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779 Atari_ShutdownEvents(); |
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|
780 |
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|
781 /* Restore video mode and palette */ |
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782 switch(XBIOS_cvdo >> 16) { |
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783 case VDO_ST: |
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|
784 case VDO_STE: |
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|
785 Setscreen(-1,XBIOS_oldvbase,XBIOS_oldvmode); |
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786 if (XBIOS_oldnumcol) { |
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787 Setpalette(XBIOS_oldpalette); |
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788 } |
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789 break; |
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790 case VDO_TT: |
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791 Setscreen(-1,XBIOS_oldvbase,-1); |
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792 EsetShift(XBIOS_oldvmode); |
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793 if (XBIOS_oldnumcol) { |
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794 EsetPalette(0, XBIOS_oldnumcol, XBIOS_oldpalette); |
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795 } |
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796 break; |
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797 case VDO_F30: |
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798 Setscreen(-1, XBIOS_oldvbase, -1); |
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799 Vsetmode(XBIOS_oldvmode); |
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800 if (XBIOS_oldnumcol) { |
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801 VsetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette); |
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802 } |
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803 break; |
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804 } |
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805 Vsync(); |
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806 |
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807 if (XBIOS_oldpalette) { |
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808 free(XBIOS_oldpalette); |
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809 XBIOS_oldpalette=NULL; |
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810 } |
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811 XBIOS_FreeBuffers(this); |
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812 |
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813 /* Free mode list */ |
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814 for (j=0;j<NUM_MODELISTS;j++) { |
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815 for (i=0;i<SDL_NUMMODES;i++) { |
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816 if (SDL_modelist[j][i]!=NULL) { |
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817 free(SDL_modelist[j][i]); |
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818 SDL_modelist[j][i]=NULL; |
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819 } |
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820 } |
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821 } |
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822 |
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823 this->screen->pixels = NULL; |
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824 } |