PIC

KM-Z80 mini + keyboard

2012年12月16日

1チップPICで構成しているKM-Z80 miniに、PS/2キーボードが接続された。

2012-12-16-kmz80mini.jpg

KM-BASICにバグがあったので修正し、起動できるようにして実行したのが上の写真。コードの細かなチューニングを施して、ほぼ2 MHzの速度で実行できるようになった。

次は、タイマー関連(8253周り)。これが実装されると、音が出るようになる。

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Pandora Rings (2018年10月17日 17:01:03)

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