http://channelf.se/veswiki/index.php?action=history&feed=atom&title=Schach_RAM 2026-04-24T08:48:44Z Revision history for this page on the wiki MediaWiki 1.28.0 http://channelf.se/veswiki/index.php?title=Schach_RAM&diff=666&oldid=prev 2022-04-12T13:55:39Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: top;' lang='en'> <td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 13:55, 12 April 2022</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Schach RAM is a two-kilobyte block of extra [[RAM]] used in cartridge #20, [[Disassembly:SABA_Videoplay_20|Schach (Chess)]] for the [[Saba Videoplay]]. This consists of four 2114 chips (1K x 4 bits), and it starts at memory location $2800, and ends at $2FFF. This RAM is different than using the [[register]]s or [[VRAM]], because it can be access directly in memory using the [[data counter]].</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Schach RAM is a two-kilobyte block of extra [[RAM]] used in cartridge #20, [[Disassembly:SABA_Videoplay_20|Schach (Chess)]] for the [[Saba Videoplay]]. This consists of four 2114 chips (1K x 4 bits), and it starts at memory location $2800, and ends at $2FFF. This RAM is different than using the [[register]]s or [[VRAM]], because it can be access directly in memory using the [[data counter]].</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Since most homebrew <del class="diffchange diffchange-inline">development </del>carts <del class="diffchange diffchange-inline">are made from </del>Schach cartridges<del class="diffchange diffchange-inline">, </del>and <del class="diffchange diffchange-inline">MESS emulates it, </del>modern homebrews can safely use it.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Since most homebrew carts <ins class="diffchange diffchange-inline">with extra RAM uses the </ins>Schach cartridges <ins class="diffchange diffchange-inline">layout it's also emulated in MESS </ins>and modern homebrews can safely use it.</div></td></tr> </table>

E5frog http://channelf.se/veswiki/index.php?title=Schach_RAM&diff=665&oldid=prev 2022-04-12T13:54:26Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: top;' lang='en'> <td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 13:54, 12 April 2022</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Schach RAM is a two-kilobyte block of extra [[RAM]] used in cartridge #20, [[<del class="diffchange diffchange-inline">Cartridge</del>:<del class="diffchange diffchange-inline">Schach</del>|Schach (Chess)]] for the [[Saba Videoplay]]. This consists of four 2114 chips (1K x 4 bits), and it starts at memory location $2800, and ends at $2FFF. This RAM is different than using the [[register]]s or [[VRAM]], because it can be access directly in memory using the [[data counter]].</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Schach RAM is a two-kilobyte block of extra [[RAM]] used in cartridge #20, [[<ins class="diffchange diffchange-inline">Disassembly</ins>:<ins class="diffchange diffchange-inline">SABA_Videoplay_20</ins>|Schach (Chess)]] for the [[Saba Videoplay]]. This consists of four 2114 chips (1K x 4 bits), and it starts at memory location $2800, and ends at $2FFF. This RAM is different than using the [[register]]s or [[VRAM]], because it can be access directly in memory using the [[data counter]].</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Since most homebrew development carts are made from Schach cartridges, and MESS emulates it, modern homebrews can safely use it.</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Since most homebrew development carts are made from Schach cartridges, and MESS emulates it, modern homebrews can safely use it.</div></td></tr> </table>

E5frog http://channelf.se/veswiki/index.php?title=Schach_RAM&diff=123&oldid=prev 2012-11-16T21:23:41Z

<p>1 revision</p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr style='vertical-align: top;' lang='en'> <td colspan='1' style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan='1' style="background-color: white; color:black; text-align: center;">Revision as of 21:23, 16 November 2012</td> </tr><tr><td colspan='2' style='text-align: center;' lang='en'><div class="mw-diff-empty">(No difference)</div> </td></tr></table>

E5frog http://channelf.se/veswiki/index.php?title=Schach_RAM&diff=122&oldid=prev 2004-11-20T21:29:36Z

<p></p> <p><b>New page</b></p><div>Schach RAM is a two-kilobyte block of extra [[RAM]] used in cartridge #20, [[Cartridge:Schach|Schach (Chess)]] for the [[Saba Videoplay]]. This consists of four 2114 chips (1K x 4 bits), and it starts at memory location $2800, and ends at $2FFF. This RAM is different than using the [[register]]s or [[VRAM]], because it can be access directly in memory using the [[data counter]].<br /> <br /> Since most homebrew development carts are made from Schach cartridges, and MESS emulates it, modern homebrews can safely use it.</div>

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