annotate README.MiNT @ 1230:88c2d6aed428

From Mike Frysinger and/or Gentoo: - libsdl-PIC-load-mmx-masks-from-stack.patch this one may be a little controversial ... the fix here is again that you cant reference the memory addresses like this to load into a mmx register, so the way to do it is to push two 32bit words onto the stack, load the 64bit value off of the stack into the mmx register, and then adjust the stack so that it's back to normal.
author Ryan C. Gordon <icculus@icculus.org>
date Thu, 05 Jan 2006 15:25:19 +0000
parents 6ded3dd929f5
children a8068adf156b
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)
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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 MiNT thread
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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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92 (2) If you build SDL with threads using the GNU pth library, timers are
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93 supported via the pth library.
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94
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95 ==============================================================================
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96 V. Environment variables:
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97
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98 SDL_VIDEODRIVER:
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99 Set to 'xbios' to force xbios video driver
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100 Set to 'gem' to force gem video driver
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101
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102 SDL_VIDEO_GL_DRIVER:
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103 Set to filename to load as OpenGL library, if you use SDL_GL_LoadLibrary()
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104
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105 SDL_AUDIODRIVER:
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106 Set to 'mint_gsxb' to force Atari GSXB audio driver
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107 Set to 'mint_mcsn' to force Atari MCSN audio driver
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108 Set to 'mint_stfa' to force Atari STFA audio driver
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109 Set to 'mint_xbios' to force Atari Xbios audio driver
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110 Set to 'mint_dma8' to force Atari 8 bits DMA audio driver
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111 Set to 'audio' to force Sun /dev/audio audio driver
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112 Set to 'disk' to force disk-writing audio driver
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113
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114 SDL_ATARI_EVENTSDRIVER
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115 Set to 'ikbd' to force IKBD 6301 keyboard driver
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116 Set to 'gemdos' to force gemdos keyboard driver
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117 Set to 'bios' to force bios keyboard driver
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118
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119 SDL_JOYSTICK_ATARI:
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120 Use any of these strings in the environment variable to enable or
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121 disable a joystick:
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122
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123 'ikbd-joy1-[on|off]' for IKBD joystick on port 1 (hardware access)
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124 'xbios-joy1-[on|off]' for IKBD joystick on port 1 (xbios access)
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125 'porta-pad-[on|off]' for joypad on port A
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126 'porta-joy0-[on|off]' for joystick 0 on port A
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127 'porta-joy1-[on|off]' for joystick 1 on port A
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128 'porta-lp-[on|off]' for lightpen on port A
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129 'porta-anpad-[on|off]' for analog paddle on port A
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130 'portb-pad-[on|off]' for joypad on port B
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131 'portb-joy0-[on|off]' for joystick 0 on port B
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132 'portb-joy1-[on|off]' for joystick 1 on port B
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133 'portb-anpad-[on|off]' for analog paddle on port B
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134
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135 Default configuration is:
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136 'ikbd-joy1-on' (if IKBD events driver enabled)
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137 'xbios-joy1-on' (if gemdos/bios/gem events driver enabled)
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138 'porta-pad-on portb-pad-on' (if available on the machine)
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140 port[a|b]-[pad|joy?|lp|anpad]-* strings are mutually exclusives.
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141 On such a port, you can only use a joypad OR 1 or 2 joysticks OR
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142 a lightpen OR an analog paddle. You must disable joypad before
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143 setting another controller.
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144
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145 The second joystick port on IKBD is used by the mouse, so not usable.
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146 Another problem with the IKBD: mouse buttons and joystick fire buttons
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147 are wired together at the hardware level, it means:
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148 port 0 port 0 port 1
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149 mouse left button = joystick fire 0 = joystick fire 1
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150 mouse right button = joystick fire 1 = joystick fire 0
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151
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152 Descriptions of joysticks/joypads:
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153 - Joypads: 1 hat, 17 buttons (Atari Jaguar console-like).
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154 - Joysticks: 1 hat, 1 button.
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155 - Lightpen, analog paddles: 2 axis, 2 buttons. The 2 buttons are those
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156 affected to 1 button joysticks on the same port.
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157
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158 ==============================================================================
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159 VI. More informations about drivers:
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160
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161 OpenGL:
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162 The default is to use the Mesa offscreen driver (osmesa.ldg). If you want
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163 to use an older OpenGL implementation, like mesa_gl.ldg or tiny_gl.ldg,
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164 your program must use SDL_GL_LoadLibrary() to do so, and retrieve the
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165 needed function pointers with SDL_LoadFunction(). In all cases, the OpenGL
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166 context is taken care of by SDL itself, you just have to use gl* functions.
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167
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168 However, there is one OpenGL call that has a different prototype in the old
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169 implementations: glOrtho(). In the old implementations, it has 6 float as
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170 parameters, in the standard one, it has 6 double parameters. If you want
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171 to compile testdyngl, or any other SDL program that loads its OpenGL
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172 library, you must change the glOrtho() prototype used in this program. In
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173 osmesa.ldg, you can retrieve a glOrtho() with double parameters, by
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174 searching for the function "glOrtho6d".
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175
319
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176 Xbios video:
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177 Video chip is detected using the _VDO cookie.
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178 Screen enhancers are not supported, but could be if you know how to
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179 use them.
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180
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181 ST, STE, Mega ST, Mega STE:
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182 320x200x4 bits, shades of grey, available only for the purpose
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183 of testing SDL.
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184 TT:
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185 320x480x8 and 320x240x8 (software double-lined mode).
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186 Falcon:
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187 All modes supported by the current monitor (RVB or VGA).
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188 BlowUp and Centscreen extended modes, ScreenBlaster 3 current mode.
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189 Clones and any machine with monochrome monitor:
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190 Not supported.
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191
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192 Gem video:
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193 Automatically used if xbios not available.
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194
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195 All machines:
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196 Only the current resolution, if 8 bits or higher depth.
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197
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198 IKBD keyboard, mouse and joystick driver:
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199 Available if _MCH cookie is ST, Mega ST, STE, Mega STE, TT or Falcon.
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200
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201 Hades has an IKBD, but xbios is not available for video, so IKBD
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202 driver is disabled.
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203
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204 Gemdos and bios keyboard driver:
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205 Available on all machines.
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206
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207 Mouse and joystick xbios driver:
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208 Available on all machines (I think).
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209
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210 Joypad driver:
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211 Available if _MCH cookie is STE or Falcon.
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212
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213 PTH timer driver:
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214 Available with multitasking OS.
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215
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216 VBL timer driver:
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217 Available on all machines (I think).
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218
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219 Audio drivers:
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220 Cookies _SND, MCSN, STFA and GSXB used to detect supported audio
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221 capabilities.
398
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222
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223 STE, Mega STE, TT:
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224 8 bits DMA (hardware access)
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225 STFA, MCSN or GSXB driver if installed
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226 Falcon:
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227 8 bits DMA (hardware access)
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228 Xbios functions
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229 STFA, MCSN or GSXB driver if installed
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230 Other machines:
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231 STFA, MCSN or GSXB driver if installed
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232
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233 STFA driver:
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234 http://removers.free.fr/softs/stfa.html
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235 GSXB driver:
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236 http://assemsoft.atari.org/gsxb/
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237 MacSound driver:
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238 http://jf.omnis.ch/software/tos/
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239 MagicSound driver (MCSN,GSXB compatible):
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240 http://perso.wanadoo.fr/didierm/
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241 X-Sound driver (GSXB compatible):
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242 http://www.uni-ulm.de/~s_thuth/atari/xsound_e.html
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243
281
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244 --
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245 Patrice Mandin <pmandin@caramail.com>
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246 http://membres.lycos.fr/pmandin/