確認ページ1 ZX81 Keyboard Adventure: Peeking into the ZX81s Screen Mazeの詳細情報
ZX81 Keyboard Adventure: Peeking into the ZX81s Screen Maze。ZX81 Keyboard Adventure: ZXIO Interface for the ZX81: Part 4。ZX80/81 - CPCWiki。Digitizing Sound On An Unmodified Sinclair ZX81 | Hackaday。商品の説明はありません