Super AKI-80: アナクロなコンピューターエンジニアのつぶやき

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Super AKI-80 ― 2015年07月13日 20:18

秋月電子のSuper AKI-80を購入しました。目標は、CP/Mマシンの復活です。つまり、 AKI-80にH/Wを追加し、最終的にはCP/Mをインプリメントしてやろうと考えています。

完成目標は、

FDD 2台(A,B)
TPAサイズは、62KB
通信ポート 1(TTY)
セントロニクス規格プリンターポート 1(LPT)
カセットインターフェース 1(Puncher/Reader)

作業ステップとしては、

H/Wを極力変更しないで、MONITORを載せる。
64KB RAM化する。(Shadow ROM化)
FDC uPD765Aを追加する。
FDCのコントロール機能をMONITORに追加する。
CP/Mをインプリメントする。

道具としては、

OS/2 Ver.4
ROM Writer Leaper 3 (Parallel Port仕様)
CP/M Emulator
ROMIMG ROM Iamge作成ツール(自作)
CP/M CD-ROM

Windowsではなく、OS/2を開発ツールにするのは、

複数のPC-DOS窓が使える。
Terminal Emulatorがある。
Windowsよりも、ずっと軽い。
OS/2ネイティブのgnuツールがある。

今更OS/2ですが、PC-DOS版のツールである、CP/M Emulator、Leaper 3コントロールプログラム、 ROMIMGやOS/2版のgnuツールなどを同時に動かせて、楽ができるからです。

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