{"id":1158,"date":"2019-05-10T08:35:12","date_gmt":"2019-05-10T06:35:12","guid":{"rendered":"https:\/\/www.pagetable.com\/?p=1158"},"modified":"2019-05-10T08:35:12","modified_gmt":"2019-05-10T06:35:12","slug":"commodore-max-machine","status":"publish","type":"post","link":"https:\/\/www.pagetable.com\/?p=1158","title":{"rendered":"Commodore MAX Machine"},"content":{"rendered":"<p>Here are some hi-res pictures of the Commodore MAX machine (aka Ultimax or VC-10), a stripped-down game console variant of the Commodore 64 that was briefly available in 1982.<\/p>\n<p><a href=\"docs\/ultimax\/front.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"docs\/ultimax\/front_small.jpg\" height=\"334\" width=\"600\" alt=\"\" \/><\/a><\/p>\n<p>The membrane keyboard has the same layout as the C64&rsquo;s.<\/p>\n<p><a href=\"docs\/ultimax\/bottom.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"docs\/ultimax\/bottom_small.jpg\" height=\"335\" width=\"600\" alt=\"\" \/><\/a><\/p>\n<p>The sticker on the bottom says &ldquo;MODEL NO MAX-04&rdquo;, &ldquo;SERIAL NO 10816&rdquo;.<\/p>\n<p><a href=\"docs\/ultimax\/back.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"docs\/ultimax\/back_small.jpg\" height=\"134\" width=\"600\" alt=\"\" \/><\/a><\/p>\n<p>On the back, there is the the power switch, the power connector (same as the C64), a 3.5 mm audio jack, a standard C64 cartridge port, the TV connector with a channel select switch, and a cassette port.<\/p>\n<p>There is no AV port<sup id=\"fnref:1\"><a href=\"#fn:1\" rel=\"footnote\">1<\/a><\/sup>, no serial port and no user port<sup id=\"fnref:2\"><a href=\"#fn:2\" rel=\"footnote\">2<\/a><\/sup>.<\/p>\n<p><a href=\"docs\/ultimax\/right.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"docs\/ultimax\/right_small.jpg\" height=\"364\" width=\"600\" alt=\"\" \/><\/a><\/p>\n<p>There are two joystick ports, one on each side.<\/p>\n<p><a href=\"docs\/ultimax\/kbd.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"docs\/ultimax\/kbd_small.jpg\" height=\"364\" width=\"600\" alt=\"\" \/><\/a><\/p>\n<p>The back side of the keyboard.<\/p>\n<p><a href=\"docs\/ultimax\/board.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"docs\/ultimax\/board_small.jpg\" height=\"328\" width=\"600\" alt=\"\" \/><\/a><\/p>\n<p>The &ldquo;325565 REV.A&rdquo; board contains the following major chips, from left to right:<\/p>\n<ul>\n<li>MOS 6566: VIC-II video chip (variant without DRAM support)<\/li>\n<li>MOS 6510: CPU<\/li>\n<li>M58725: 2048&#215;8 SRAM (main RAM, $0000-$07FF)<\/li>\n<li>MOS 6581: SID sound controller<\/li>\n<li>MOS 6703: PLA (chip select generator)<\/li>\n<li>2114: 1024&#215;4 SRAM (color RAM, $D800-$DBFF)<\/li>\n<li>MOS 6526: CIA I\/O controller<\/li>\n<\/ul>\n<p>There is no ROM on the board, so all code and even the character set has to come from a cartridge (max. 16 KB) \u2013 like on all game consoles from the time. The cartridge can also contain up to 32 KB of external SRAM.<\/p>\n<p><a href=\"docs\/ultimax\/board2.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"docs\/ultimax\/board2_small.jpg\" height=\"318\" width=\"600\" alt=\"\" \/><\/a><\/p>\n<div class=\"footnotes\">\n<hr\/>\n<ol>\n<li id=\"fn:1\">\n<p>A composite or S-Video output <a href=\"http:\/\/www.6502.org\/users\/sjgray\/projects\/maxvid\/index.html\">can be added<\/a>.<a href=\"#fnref:1\" rev=\"footnote\">&#8617;<\/a><\/p>\n<\/li>\n<li id=\"fn:2\">\n<p>Both the serial port and the user port would require CIA #2, which the MAX doesn&rsquo;t have. Keyboard and joysticks are controlled by CIA #1, and the tape port is driven by the 6510 CPU&rsquo;s I\/O port.<a href=\"#fnref:2\" rev=\"footnote\">&#8617;<\/a><\/p>\n<\/li>\n<\/ol>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Here are some hi-res pictures of the Commodore MAX machine (aka Ultimax or VC-10), a stripped-down game console variant of the Commodore 64 that was briefly available in 1982. The membrane keyboard has the same layout as the C64&rsquo;s. The sticker on the bottom says &ldquo;MODEL NO MAX-04&rdquo;, &ldquo;SERIAL NO 10816&rdquo;. On the back, there &#8230; <a title=\"Commodore MAX Machine\" class=\"read-more\" href=\"https:\/\/www.pagetable.com\/?p=1158\" aria-label=\"Read more about Commodore MAX Machine\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,8,30],"tags":[],"class_list":["post-1158","post","type-post","status-publish","format-standard","hentry","category-c64","category-commodore","category-teardown"],"_links":{"self":[{"href":"https:\/\/www.pagetable.com\/index.php?rest_route=\/wp\/v2\/posts\/1158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pagetable.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pagetable.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pagetable.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pagetable.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1158"}],"version-history":[{"count":0,"href":"https:\/\/www.pagetable.com\/index.php?rest_route=\/wp\/v2\/posts\/1158\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pagetable.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pagetable.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pagetable.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}