tanam https://blog.hatena.ne.jp/tanam/ tanamの日記 https://tms9918.hatenablog.com/ PC-6001のRAM&RAMカートリッジできました！ここまでで32KB RAMを使い切ったので新しい基板の設計が必要 実験３ Address /CS2 /CS3 /DRD2 /RAS2 /EXCAS | /CE RAM >0000 1 1 1 1 1 | 1 >2000 1 1 1 1 1 | 1 >4000 0 1 1 1 1 | 0 >0000 >6000 1 0 1 1 1 | 0 >2000 >8000 1 1 0 0 0 | 0 >4000 >A000 1 1 0 0 0 | 0 >6000 >C000 1 1 1 1 0 | 1 >E000 1 1 1 1 0 | 1 PC600… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftms9918.hatenablog.com%2Fentry%2F2026%2F05%2F05%2F152537" title="RAM &amp; RAM CARTRIDGE　その２ - tanamの日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2026-05-05 15:25:37 rich https://tms9918.hatenablog.com/entry/2026/05/05/152537 1.0 100%