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annotate README.MiNT @ 2321:c5feceb0395e

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SetupWindowData in SDL_X11window.c was realloc()ing the display window list and incrementing numwindows even though those are being updated in functions that call this function. The result is that it is possible to get the same window added to the list twice.
author Bob Pendleton <bob@pendleton.com>
date Tue, 04 Mar 2008 23:09:28 +0000
parents 8640d90b0406
children
rev   line source
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1 ==============================================================================
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2 Using the Simple DirectMedia Layer on Atari
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3 ==============================================================================
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4
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5
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6 If you want to build SDL from sources to create SDL programs on Atari:
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7 see sections I - II.
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8
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9 If you want to create SDL programs on Atari using SDL binary build,
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10 download it from my web site (URL at end of this file).
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11
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12 If you want to configure a program using SDL on Atari,
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13 see sections IV - VI.
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14
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15
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16 ==============================================================================
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17 I. Building the Simple DirectMedia Layer libraries:
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18 (This step isn't necessary if you have the SDL binary distribution)
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19
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20 Do the classic configure, with --disable-shared --enable-static and:
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21
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22 Tos version (should run everywhere):
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23 --disable-threads
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24 Tos does not support threads.
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25
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26 MiNT version (maybe Magic, only for multitasking OS):
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27 --disable-pthreads --enable-pth
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28 Mint and Magic may supports threads, so audio can be used with current
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29 devices, like Sun audio, or disk-writing support. Like Tos, interrupt
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30 audio without threads is more suited for Atari machines.
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31
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32 Then you can make ; make install it.
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33
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34 ==============================================================================
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35 II. Building the Simple DirectMedia Layer test programs:
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36
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37 Do the classic configure, then make.
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38
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39 Run them !
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40
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41 ==============================================================================
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42 III. Enjoy! :)
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43
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44 If you have a project you'd like me to know about, or want to ask questions,
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45 go ahead and join the SDL developer's mailing list by sending e-mail to:
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46
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47 sdl-request@libsdl.org
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48
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49 and put "subscribe" into the subject of the message. Or alternatively you
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50 can use the web interface:
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51
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52 http://www.libsdl.org/mailman/listinfo/sdl
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53
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54 ==============================================================================
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55 IV. What is supported:
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56
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57 Keyboard (GEMDOS, BIOS, GEM, Ikbd)
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58 Mouse (XBIOS, GEM, Ikbd, /dev/mouse (non working atm, disabled))
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59 Video (XBIOS (Fullscreen), GEM (Windowed and Fullscreen))
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60 Timer (VBL vector, GNU pth library)
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61 Joysticks and joypads (Ikbd, Hardware)
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62 Audio (Hardware, XBIOS, GSXB, MCSN, STFA, /dev/audio if threads enabled)
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63 Threads (Multitasking OS only via GNU pth library)
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64 Shared object loader (using LDG library from http://ldg.atari.org/)
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65 Audio CD (MetaDOS)
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66 OpenGL (using Mesa offscreen rendering driver)
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67
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68 - Dependent driver combinations:
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69 Video Kbd Mouse Timer Joysticks
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70 xbios ikbd ikbd vbl(2) ikbd
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71 xbios gemdos xbios vbl(2) xbios
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72 xbios bios xbios vbl(2) xbios
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73 gem gem gem(1) vbl(2) xbios
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74
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75 Audio O/S Misc
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76 dma8 All Uses MFP Timer A interrupt
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77 xbios TOS Uses MFP Timer A interrupt
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78 xbios MiNT Uses MFP Timer A interrupt
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79 xbios Magic Disabled
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80 stfa All Uses MFP interrupt
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81 mcsn TOS Uses MFP Timer A interrupt
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82 mcsn MiNT Uses MiNT thread
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83 mcsn Magic Disabled
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84 gsxb All Uses GSXB callback
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85
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86 Joypad driver always uses hardware access.
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87 OpenGL driver always uses OSMesa.
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88
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89 (1) GEM does not report relative mouse motion, so xbios mouse driver is used
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90 to report this type event.
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91 A preliminary driver for /dev/mouse device driver is present, but is disabled
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92 till it can be used with other applications simultaneously.
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94 (2) If you build SDL with threads using the GNU pth library, timers are
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95 supported via the pth library.
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96
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97 ==============================================================================
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98 V. Environment variables:
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99
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100 SDL_VIDEODRIVER:
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101 Set to 'xbios' to force xbios video driver
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102 Set to 'gem' to force gem video driver
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103
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104 SDL_VIDEO_GL_DRIVER:
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105 Set to filename to load as OpenGL library, if you use SDL_GL_LoadLibrary()
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106
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107 SDL_AUDIODRIVER:
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108 Set to 'mint_gsxb' to force Atari GSXB audio driver
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109 Set to 'mint_mcsn' to force Atari MCSN audio driver
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110 Set to 'mint_stfa' to force Atari STFA audio driver
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111 Set to 'mint_xbios' to force Atari Xbios audio driver
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112 Set to 'mint_dma8' to force Atari 8 bits DMA audio driver
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113 Set to 'audio' to force Sun /dev/audio audio driver
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114 Set to 'disk' to force disk-writing audio driver
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115
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116 SDL_ATARI_EVENTSDRIVER
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117 Set to 'ikbd' to force IKBD 6301 keyboard driver
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118 Set to 'gemdos' to force gemdos keyboard driver
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119 Set to 'bios' to force bios keyboard driver
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120
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121 SDL_JOYSTICK_ATARI:
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122 Use any of these strings in the environment variable to enable or
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123 disable a joystick:
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124
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125 'ikbd-joy1-[on|off]' for IKBD joystick on port 1 (hardware access)
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126 'xbios-joy1-[on|off]' for IKBD joystick on port 1 (xbios access)
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127 'porta-pad-[on|off]' for joypad and/or teamtap on port A
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128 'porta-joy0-[on|off]' for joystick 0 on port A
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129 'porta-joy1-[on|off]' for joystick 1 on port A
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130 'porta-lp-[on|off]' for lightpen on port A
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131 'porta-anpad-[on|off]' for analog paddle on port A
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132 'portb-pad-[on|off]' for joypad and/or teamtap on port B
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133 'portb-joy0-[on|off]' for joystick 0 on port B
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134 'portb-joy1-[on|off]' for joystick 1 on port B
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135 'portb-anpad-[on|off]' for analog paddle on port B
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136
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137 Default configuration is:
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138 'ikbd-joy1-on' (if IKBD events driver enabled)
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139 'xbios-joy1-on' (if gemdos/bios/gem events driver enabled)
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140 'porta-pad-on portb-pad-on' (if available on the machine)
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141
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142 port[a|b]-[pad|joy?|lp|anpad]-* strings are mutually exclusives.
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143 On such a port, you can only use a joypad OR 1 or 2 joysticks OR
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144 a lightpen OR an analog paddle. You must disable joypad before
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145 setting another controller.
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146
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147 The second joystick port on IKBD is used by the mouse, so not usable.
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148 Another problem with the IKBD: mouse buttons and joystick fire buttons
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149 are wired together at the hardware level, it means:
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150 port 0 port 0 port 1
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151 mouse left button = joystick fire 0 = joystick fire 1
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152 mouse right button = joystick fire 1 = joystick fire 0
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153
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154 Descriptions of joysticks/joypads:
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155 - Joypads: 1 hat, 17 buttons (Atari Jaguar console-like).
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156 - Joysticks: 1 hat, 1 button.
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157 - Lightpen, analog paddles: 2 axis, 2 buttons. The 2 buttons are those
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158 affected to 1 button joysticks on the same port.
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159
319
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160 ==============================================================================
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161 VI. More informations about drivers:
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162
1007
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163 OpenGL:
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164 The default is to use the Mesa offscreen driver (osmesa.ldg). If you want
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165 to use an older OpenGL implementation, like mesa_gl.ldg or tiny_gl.ldg,
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166 your program must use SDL_GL_LoadLibrary() to do so, and retrieve the
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167 needed function pointers with SDL_LoadFunction(). In all cases, the OpenGL
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168 context is taken care of by SDL itself, you just have to use gl* functions.
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169
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170 However, there is one OpenGL call that has a different prototype in the old
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171 implementations: glOrtho(). In the old implementations, it has 6 float as
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172 parameters, in the standard one, it has 6 double parameters. If you want
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173 to compile testdyngl, or any other SDL program that loads its OpenGL
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174 library, you must change the glOrtho() prototype used in this program. In
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175 osmesa.ldg, you can retrieve a glOrtho() with double parameters, by
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176 searching for the function "glOrtho6d".
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177
319
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178 Xbios video:
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179 Video chip is detected using the _VDO cookie.
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180 Screen enhancers are not supported, but could be if you know how to
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181 use them.
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182
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183 ST, STE, Mega ST, Mega STE:
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184 320x200x4 bits, shades of grey, available only for the purpose
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185 of testing SDL.
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186 TT:
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187 320x480x8 and 320x240x8 (software double-lined mode).
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188 Falcon:
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189 All modes supported by the current monitor (RVB or VGA).
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190 BlowUp and Centscreen extended modes, ScreenBlaster 3 current mode.
319
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191 Clones and any machine with monochrome monitor:
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192 Not supported.
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193
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194 Gem video:
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195 Automatically used if xbios not available.
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196
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197 All machines:
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198 Only the current resolution, if 8 bits or higher depth.
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199
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200 IKBD keyboard, mouse and joystick driver:
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201 Available if _MCH cookie is ST, Mega ST, STE, Mega STE, TT or Falcon.
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202
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203 Hades has an IKBD, but xbios is not available for video, so IKBD
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204 driver is disabled.
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205
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206 Gemdos and bios keyboard driver:
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207 Available on all machines.
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208
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209 Mouse and joystick xbios driver:
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210 Available on all machines (I think).
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211
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212 Joypad driver:
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213 Available if _MCH cookie is STE or Falcon.
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214
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215 PTH timer driver:
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216 Available with multitasking OS.
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217
319
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218 VBL timer driver:
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219 Available on all machines (I think).
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220
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221 Audio drivers:
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222 Cookies _SND, MCSN, STFA and GSXB used to detect supported audio
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223 capabilities.
398
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224
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225 STE, Mega STE, TT:
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226 8 bits DMA (hardware access)
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227 STFA, MCSN or GSXB driver if installed
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228 Falcon:
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229 8 bits DMA (hardware access)
398
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230 Xbios functions
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231 STFA, MCSN or GSXB driver if installed
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232 Other machines:
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233 STFA, MCSN or GSXB driver if installed
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234
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235 STFA driver:
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236 http://removers.free.fr/softs/stfa.html
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237 GSXB driver:
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238 http://assemsoft.atari.org/gsxb/
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239 MacSound driver:
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240 http://jf.omnis.ch/software/tos/
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241 MagicSound driver (MCSN,GSXB compatible):
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parents: 557
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242 http://perso.wanadoo.fr/didierm/
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parents: 557
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243 X-Sound driver (GSXB compatible):
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244 http://www.uni-ulm.de/~s_thuth/atari/xsound_e.html
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245
281
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246 --
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247 Patrice Mandin <pmandin@caramail.com>
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248 http://pmandin.atari.org/