{"id":974,"date":"2013-08-02T17:26:14","date_gmt":"2013-08-02T15:26:14","guid":{"rendered":"https:\/\/zz-indigo.mavipet.sk\/?page_id=974"},"modified":"2016-08-05T19:33:29","modified_gmt":"2016-08-05T19:33:29","slug":"zzram-georam-klon","status":"publish","type":"page","link":"https:\/\/zz-indigo.mavipet.sk\/?page_id=974","title":{"rendered":"ZZ_RAM GEORAM klon."},"content":{"rendered":"

Jednoduch\u00fd projekt ktor\u00fd ur\u00fdchli pr\u00e1cu napr\u00edklad v GEOSe alebo m\u00f4\u017ee emulova\u0165 disketov\u00fa mechaniku. Jedn\u00e1 so o takzvan\u00fa GEORAM\/NEORAM\/BBGRAM. Rovnako ako NEORAM pou\u017e\u00edva statick\u00fa RAM. Ale logika je v CPLD a je tu p\u00e1r vec\u00ed navy\u0161e.<\/p>\n

Verzia 1.0<\/h1>\n
    \n
  1. Mo\u017enos\u0165 sa tv\u00e1ri\u0165 ako \u0161tandardn\u00fd 8K\/16K EXROM\/GAME\/UNIMAX cartridge<\/li>\n
  2. Ve\u013ekos\u0165 ROM\/FLASH do ve\u013ekosti 1M. Str\u00e1nkovan\u00e1 po 16K z mo\u017enos\u0165ou online rekonfigur\u00e1cie.<\/li>\n
  3. GEORAM do kapacity 1M<\/li>\n
  4. FW a HW navrhnut\u00fd na pou\u017eitie z 27C512 a 512K RAM z mo\u017enos\u0165ou roz\u0161\u00edrenia pomocou \u010fal\u0161ej dosky.<\/li>\n<\/ol>\n

    Podklady na stiahnutie: zz_RAM_V1.0<\/a> Firmware pre CPLD vo formatoch: .pof<\/a> .svf<\/a> .jam<\/a> .isc<\/a><\/p>\n

    Na obr\u00e1zkoch s\u00fa dve verzie osadenia. V\u013eavo verzia na testy osaden\u00e1 p\u00e4ticami. Vpravo verzia na zabudovanie do krabi\u010dky z GME.<\/p>\n

    \"Osadene<\/a> \"IMG_0056\"<\/a><\/p>\n

    Verzia V0.1<\/h1>\n

    \"Cartridge\"<\/a><\/p>\n

      \n
    1. Mo\u017enos\u0165 sa tv\u00e1ri\u0165 sa ako \u0161tandardn\u00fd 8K ExROM cardridge. Z mo\u017enos\u0165ou vlastn\u00e9ho Str\u00e1nkovania \u010di vypnutia. Podporuje 27C256 z obmedzeniami mo\u017enos\u0165 pou\u017ei\u0165 27C128 .<\/del><\/li>\n
    2. GEORAM a\u017e na 4M. Osaden\u00fdch 512k z mo\u017enos\u0165ou roz\u0161\u00edrenia pr\u00eddavn\u00fdm modulom<\/li>\n<\/ol>\n

      Podklady na v\u00fdrobu a aj FW do CPLD: zz_ram_v0.1<\/a>.<\/p>\n

      Popis pr\u00e1ce zo ZZ_RAM.<\/h1>\n

      Cartridge sa tv\u00e1ri ako \u0161tandardn\u00e1 GEORAM. Probl\u00e9m m\u00f4\u017eu ma\u0165 programy ktor\u00e9 nepou\u017e\u00edvaj\u00fa hlavn\u00e9 adresy ale ich obrazy.<\/p>\n

      Adresna mapa GEOARAM \u010das\u0165:
      \n0xDE00 – 0xDEFF – 256b RAM blok (vybran\u00fd registrami)<\/p>\n

      0xDFFF – Georam 16k blok selektor
      \n0xDFFE – Georam 256b blok selektor z 16k bloku<\/p>\n

      Adresn\u00e1 mapa ROM kontrol.
      \n0xDFBF (57279)- ROM kontrol register online
      \n0xDFBE (57278)- ROM kontrol register po resete<\/p>\n

      Rom kontrol register. Zv\u00fdraznen\u00e9 sign\u00e1ly pozn\u00e1 len nov\u0161\u00ed HW:
      \nD0 – A14 pre ROM
      \nD1 – A15 pre ROM
      \nD2 – A16 pre ROM<\/strong>
      \nD3 – A17 pre ROM<\/strong>
      \nD4 – A18 pre ROM<\/strong>
      \nD5 – A19 pre ROM<\/strong>
      \nD6 – GAME kontrol – GAME zapnut\u00e1 (\/GAME = 0)<\/strong>
      \nD7 – EXROM kontrol – EXROM zapnut\u00e1 (\/EXROM = 0)<\/p>\n

      A videa z testov FW.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

      Jednoduch\u00fd projekt ktor\u00fd ur\u00fdchli pr\u00e1cu napr\u00edklad v GEOSe alebo m\u00f4\u017ee emulova\u0165 disketov\u00fa mechaniku. Jedn\u00e1 so o takzvan\u00fa GEORAM\/NEORAM\/BBGRAM. Rovnako ako NEORAM pou\u017e\u00edva statick\u00fa RAM. Ale logika je v CPLD a je tu p\u00e1r vec\u00ed navy\u0161e. Verzia 1.0 Mo\u017enos\u0165 sa tv\u00e1ri\u0165 … Pokra\u010dova\u0165 v \u010d\u00edtan\u00ed →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":953,"menu_order":2,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-974","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/pages\/974","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=974"}],"version-history":[{"count":1,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/pages\/974\/revisions"}],"predecessor-version":[{"id":2037,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/pages\/974\/revisions\/2037"}],"up":[{"embeddable":true,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/pages\/953"}],"wp:attachment":[{"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}