Initial v1.0.0 commit

LICENSE

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+BSD 3-Clause License
+
+Copyright (c) 2021, Roman Boykov
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

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+# Блок внешнего ПЗУ для Электроника КР-04
+
+Схема и печатная плата блока внешнего ПЗУ на 64К для компьютера радиолюбтеля "Электроника КР-04".
+
+Во внешнем ПЗУ можно разместить необходимые программы. Блок подключается к разъему расширения компьютера. Загружать программы из него можно директивой R монитора.
+
+	  R<начальный адрес ПЗУ>,<конечный адрес ПЗУ>,<адрес загрузки>
+
+[Исходники](Sources)
+
+[Готовые схемы](Export)
+
+[Файлы для производства печатной платы](Gerbers/Gerber_kr04-ExtROM_v1.0.0.zip)
+
+[Телеграм чат "ПК на 8080|8085 — hardware"](https://t.me/vm80a)
+
+[Телеграм топик по КР04"](https://t.me/c/1363162444/57983)
+
+![3D-View](preview.png?raw=true "3D View")

Sources/README.md

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+# Блок внешнего ПЗУ для Электроника КР-04
+
+Исходные файлы проекта схемы и печатной платы блока внешнего ПЗУ  "Электроника КР04".
+Как использовать:
+
+В редакторе [EasyEDA](https://easyeda.com/editor), через "File" > "Open" > "EasyEDA Source", и выберите json файл и откройте его.
+
+At editor, Click the document icon on the topbar, via "Document" > "Open" > "EasyEDA Source", and select json file, then open it at the editor.