http://wiki.specnext.dev/index.php?action=history&feed=atom&title=Layer_2_X_Scroll_MSB_Register 2026-04-15T19:03:23Z Revision history for this page on the wiki MediaWiki 1.43.5 http://wiki.specnext.dev/index.php?title=Layer_2_X_Scroll_MSB_Register&diff=41258&oldid=prev 2025-10-14T12:15:35Z

<p>Xalior moved page <a href="/Layer_2_X_Offset_MSB_Register" class="mw-redirect" title="Layer 2 X Offset MSB Register">Layer 2 X Offset MSB Register</a> to <a href="/Layer_2_X_Scroll_MSB_Register" title="Layer 2 X Scroll MSB Register">Layer 2 X Scroll MSB Register</a>: match formal nextreg.txt name</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en-GB"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:15, 14 October 2025</td> </tr><tr><td colspan="4" class="diff-notice" lang="en-GB"><div class="mw-diff-empty">(No difference)</div> </td></tr> <!-- diff cache key specnext_wiki:diff:1.41:old-11062:rev-41258 --> </table>

Xalior http://wiki.specnext.dev/index.php?title=Layer_2_X_Scroll_MSB_Register&diff=11062&oldid=prev 2020-01-31T19:58:25Z

<p>core 3.0.6 changes/refresh</p> <p><b>New page</b></p><div>{{NextRegister<br /> |Number=$71<br /> |Readable=Yes<br /> |Writable=Yes<br /> |ShortDesc=Sets the pixel offset used for drawing Layer 2 graphics on the screen.<br /> }}<br /> bits 7:1 = Reserved, must be 0<br /> bit 0 = MSB of scroll amount<br /> <br /> This is most significant bit for high resolution 320x256x8 and 640x256x4 Layer 2 modes (valid range of scroll values is then 0..319, in 640x256x4 mode the layer is scrolling by two pixels horizontally)<br /> <br /> The low 8 bits are defined by {{NextRegNo|$16}}<br /> <br /> (introduced by core 3.0.6 (+-1))</div>

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