<html> <head> <title>Mednafen Atari Lynx Documentation</title> <link rel="stylesheet" type="text/css" media="screen, projection" href="mednafen.css" /> </head> <body> <center><h1><img alt="Mednafen" src="mednafen.png" width="696" height="204" /></h1></center> <center><h1>Atari Lynx Documentation</h1></center> <center><i>Last updated August 11, 2011<br />Valid as of 0.9.18-WIP</i></center> <p> <b>Table of Contents:</b> <ul><li /><a href="#Introduction">Introduction</a><ul></ul><li /><a href="#Default+Key+Assignments">Default Key Assignments</a><ul></ul><li /><a href="#Settings+Reference">Settings Reference</a><ul></ul></ul></p><hr width="100%" /> <a name="Introduction"><h2>Introduction</h2></a><p><p> Mednafen's Atari Lynx emulation is based off of <a href="http://homepage.ntlworld.com/dystopia/">Handy</a>. </p> <p> Atari Lynx emulation requires the 512 Lynx boot ROM image, named as "lynxboot.img", and placed in the Mednafen base directory. </p> </p><hr width="100%"> <a name="Default+Key+Assignments"><h2>Default Key Assignments</h2></a><p> <table border> <tr><th>Key(s):</th><th>Action:</th><th>Configuration String:</th></tr> <tr><td>ALT + SHIFT + 1</td><td>Activate in-game input configuration process for Lynx pad.</td><td>input_config1</td></tr> <tr><td>F8</td><td>Rotate the screen<i>(and optionally input controlled, by setting lynx.rotateinput)</i></td><td>rotatescreen</td></tr> </table> <p> <table border> <tr><th>Key:</th><th nowrap>Action/Button:</th></tr> <tr><td>Keypad 2</td><td>B</td></tr> <tr><td>Keypad 3</td><td>A</td></tr> <tr><td>Keypad 4 & Enter/Return</td><td>Pause</td></tr> <tr><td>Keypad 7</td><td>Option 1</td></tr> <tr><td>Keypad 1</td><td>Option 2</td></tr> <tr><td>W</td><td>Up</td></tr> <tr><td>S</td><td>Down</td></tr> <tr><td>A</td><td>Left</td></tr> <tr><td>D</td><td>Right</td></tr> </table> </p> </p><hr width="100%"> <a name="Settings+Reference"><h2>Settings Reference</h2></a><p><p> <b>Caution:</b> Any settings that change emulation behavior as seen from the emulated game are shown with the setting name bolded in the table. One should be conscious of these settings if one has changed them from the default values when using network play or movies, as they can cause desychronizations if not set the same among hosts(or between the recording emulator and the playing emulator). </p> <p><table border><tr class="TableHeader"><th>Setting:</th><th>Value Type:</th><th>Possible Values:</th><th>Default Value:</th><th>Description:</th></tr><tr class="RowA"><td class="ColA"><a name="lynx.lowpass">lynx.lowpass</a></td><td class="ColB">boolean</td><td class="ColC">0<br>1</td><td class="ColD">1</td><td class="ColE">Enable sound output lowpass filter.<p></p></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> <tr class="RowB"><td class="ColA"><a name="lynx.rotateinput">lynx.rotateinput</a></td><td class="ColB">boolean</td><td class="ColC">0<br>1</td><td class="ColD">1</td><td class="ColE">Virtually rotate D-pad along with screen.<p></p></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> </table></p><p><table border><tr class="TableHeader"><th>Setting:</th><th>Value Type:</th><th>Possible Values:</th><th>Default Value:</th><th>Description:</th></tr><tr class="RowA"><td class="ColA"><a name="lynx.enable">lynx.enable</a></td><td class="ColB">boolean</td><td class="ColC">0<br>1</td><td class="ColD">1</td><td class="ColE">Enable (automatic) usage of this module.<p></p></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> <tr class="RowB"><td class="ColA"><a name="lynx.pixshader">lynx.pixshader</a></td><td class="ColB">enum</td><td class="ColC">none<br />ipxnoty<br />ipynotx<br />ipsharper<br />ipxnotysharper<br />ipynotxsharper<br />scale2x</td><td class="ColD">none</td><td class="ColE">Enable specified OpenGL pixel shader.<p>Obviously, this will only work with the OpenGL "video.driver" setting, and only on cards and OpenGL implementations that support pixel shaders, otherwise you will get a black screen, or Mednafen may display an error message when starting up. Bilinear interpolation is disabled with pixel shaders, and any interpolation, if present, will be noted in the description of each pixel shader.</p><ul><li><b>none</b> - None/Disabled<br></li><br /><li><b>ipxnoty</b> - Linear interpolation on X axis only.<br></li><br /><li><b>ipynotx</b> - Linear interpolation on Y axis only.<br></li><br /><li><b>ipsharper</b> - Sharper bilinear interpolation.<br></li><br /><li><b>ipxnotysharper</b> - Sharper version of "ipxnoty".<br></li><br /><li><b>ipynotxsharper</b> - Sharper version of "ipynotx".<br></li><br /><li><b>scale2x</b> - Scale2x<br></li></ul></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> <tr class="RowA"><td class="ColA"><a name="lynx.scanlines">lynx.scanlines</a></td><td class="ColB">integer</td><td class="ColC">0 <i>through</i> 100</td><td class="ColD">0</td><td class="ColE">Enable scanlines with specified opacity.<p>Opacity is specified in %; IE a value of "100" will give entirely black scanlines.</p></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> <tr class="RowB"><td class="ColA"><a name="lynx.special">lynx.special</a></td><td class="ColB">enum</td><td class="ColC">none<br />hq2x<br />hq3x<br />hq4x<br />scale2x<br />scale3x<br />scale4x<br />2xsai<br />super2xsai<br />supereagle<br />nn2x<br />nn3x<br />nn4x<br />nny2x<br />nny3x<br />nny4x</td><td class="ColD">none</td><td class="ColE">Enable specified special video scaler.<p>The destination rectangle is NOT altered by this setting, so if you have xscale and yscale set to "2", and try to use a 3x scaling filter like hq3x, the image is not going to look that great. The nearest-neighbor scalers are intended for use with bilinear interpolation enabled, at high resolutions(such as 1280x1024; nn2x(or nny2x) + bilinear interpolation + fullscreen stretching at this resolution looks quite nice).</p><ul><li><b>none</b> - None/Disabled<br></li><br /><li><b>hq2x</b> - hq2x<br></li><br /><li><b>hq3x</b> - hq3x<br></li><br /><li><b>hq4x</b> - hq4x<br></li><br /><li><b>scale2x</b> - scale2x<br></li><br /><li><b>scale3x</b> - scale3x<br></li><br /><li><b>scale4x</b> - scale4x<br></li><br /><li><b>2xsai</b> - 2xSaI<br></li><br /><li><b>super2xsai</b> - Super 2xSaI<br></li><br /><li><b>supereagle</b> - Super Eagle<br></li><br /><li><b>nn2x</b> - Nearest-neighbor 2x<br></li><br /><li><b>nn3x</b> - Nearest-neighbor 3x<br></li><br /><li><b>nn4x</b> - Nearest-neighbor 4x<br></li><br /><li><b>nny2x</b> - Nearest-neighbor 2x, y axis only<br></li><br /><li><b>nny3x</b> - Nearest-neighbor 3x, y axis only<br></li><br /><li><b>nny4x</b> - Nearest-neighbor 4x, y axis only<br></li></ul></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> <tr class="RowA"><td class="ColA"><a name="lynx.stretch">lynx.stretch</a></td><td class="ColB">enum</td><td class="ColC">0<br />full<br />aspect</td><td class="ColD">0</td><td class="ColE">Stretch to fill screen.<p></p><ul><li><b>0</b> - Disabled<br></li><br /><li><b>full</b> - Full<br>Full-screen stretch, disregarding aspect ratio.</li><br /><li><b>aspect</b> - Aspect Preserve<br>Full-screen stretch as far as the aspect ratio(in this sense, the equivalent xscalefs == yscalefs) can be maintained.</li></ul></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> <tr class="RowB"><td class="ColA"><a name="lynx.tblur">lynx.tblur</a></td><td class="ColB">boolean</td><td class="ColC">0<br>1</td><td class="ColD">0</td><td class="ColE">Enable video temporal blur(50/50 previous/current frame by default).<p></p></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> <tr class="RowA"><td class="ColA"><a name="lynx.tblur.accum">lynx.tblur.accum</a></td><td class="ColB">boolean</td><td class="ColC">0<br>1</td><td class="ColD">0</td><td class="ColE">Accumulate color data rather than discarding it.<p></p></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> <tr class="RowB"><td class="ColA"><a name="lynx.tblur.accum.amount">lynx.tblur.accum.amount</a></td><td class="ColB">real</td><td class="ColC">0 <i>through</i> 100</td><td class="ColD">50</td><td class="ColE">Blur amount in accumulation mode, specified in percentage of accumulation buffer to mix with the current frame.<p></p></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> <tr class="RowA"><td class="ColA"><a name="lynx.videoip">lynx.videoip</a></td><td class="ColB">boolean</td><td class="ColC">0<br>1</td><td class="ColD">0</td><td class="ColE">Enable bilinear interpolation.<p></p></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> <tr class="RowB"><td class="ColA"><a name="lynx.xres">lynx.xres</a></td><td class="ColB">integer</td><td class="ColC">64 <i>through</i> 65536</td><td class="ColD">640</td><td class="ColE">Full-screen horizontal resolution.<p></p></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> <tr class="RowA"><td class="ColA"><a name="lynx.xscale">lynx.xscale</a></td><td class="ColB">real</td><td class="ColC">0.01 <i>through</i> 256</td><td class="ColD">4.000000</td><td class="ColE">Scaling factor for the X axis.<p></p></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> <tr class="RowB"><td class="ColA"><a name="lynx.xscalefs">lynx.xscalefs</a></td><td class="ColB">real</td><td class="ColC">0.01 <i>through</i> 256</td><td class="ColD">4.000000</td><td class="ColE">Scaling factor for the X axis in fullscreen mode.<p></p></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> <tr class="RowA"><td class="ColA"><a name="lynx.yres">lynx.yres</a></td><td class="ColB">integer</td><td class="ColC">64 <i>through</i> 65536</td><td class="ColD">480</td><td class="ColE">Full-screen vertical resolution.<p></p></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> <tr class="RowB"><td class="ColA"><a name="lynx.yscale">lynx.yscale</a></td><td class="ColB">real</td><td class="ColC">0.01 <i>through</i> 256</td><td class="ColD">4.000000</td><td class="ColE">Scaling factor for the Y axis.<p></p></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> <tr class="RowA"><td class="ColA"><a name="lynx.yscalefs">lynx.yscalefs</a></td><td class="ColB">real</td><td class="ColC">0.01 <i>through</i> 256</td><td class="ColD">4.000000</td><td class="ColE">Scaling factor for the Y axis in fullscreen mode.<p></p></td></tr><tr><td class="RowSpacer" colspan="5"> </td></tr> </table></p></p><hr width="100%"> </body> </html>
